vim: src/libvterm/src/vterm.c annotate

annotate src/libvterm/src/vterm.c @ 15249:544490b69e1d v8.1.0633

patch 8.1.0633: crash when out of memory while opening a terminal window commit https://github.com/vim/vim/commit/cd929f7ba8cc5b6d6dcf35c8b34124e969fed6b8 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Dec 24 21:38:45 2018 +0100 patch 8.1.0633: crash when out of memory while opening a terminal window Problem: Crash when out of memory while opening a terminal window. Solution: Handle out-of-memory more gracefully.

author	Bram Moolenaar <Bram@vim.org>
date	Mon, 24 Dec 2018 21:45:05 +0100
parents	694594a0d25d
children	811a12a78164

rev	line source
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	1 #define DEFINE_INLINES
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	2
15249 544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	3 /* vim: set sw=2 : */
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	4 #include "vterm_internal.h"
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	5
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	6 #include <stdio.h>
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	7 #include <stdlib.h>
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	8 #include <stdarg.h>
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	9 #include <string.h>
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	10
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	11 #include "utf8.h"
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	12
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	13 /*****************
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	14 * API functions *
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	15 *****************/
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	16
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	17 static void default_malloc(size_t size, void allocdata UNUSED)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	18 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	19 void *ptr = malloc(size);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	20 if(ptr)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	21 memset(ptr, 0, size);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	22 return ptr;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	23 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	24
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	25 static void default_free(void ptr, void allocdata UNUSED)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	26 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	27 free(ptr);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	28 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	29
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	30 static VTermAllocatorFunctions default_allocator = {
13770 2449b6ce1456 patch 8.0.1757: unnecessary changes in libvterm Christian Brabandt <cb@256bit.org> parents: 13604 diff changeset	31 &default_malloc, // malloc
2449b6ce1456 patch 8.0.1757: unnecessary changes in libvterm Christian Brabandt <cb@256bit.org> parents: 13604 diff changeset	32 &default_free // free
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	33 };
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	34
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	35 VTerm *vterm_new(int rows, int cols)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	36 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	37 return vterm_new_with_allocator(rows, cols, &default_allocator, NULL);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	38 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	39
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	40 VTerm vterm_new_with_allocator(int rows, int cols, VTermAllocatorFunctions funcs, void *allocdata)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	41 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	42 /* Need to bootstrap using the allocator function directly */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	43 VTerm vt = (funcs->malloc)(sizeof(VTerm), allocdata);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	44
15249 544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	45 if (vt == NULL)
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	46 return NULL;
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	47 vt->allocator = funcs;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	48 vt->allocdata = allocdata;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	49
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	50 vt->rows = rows;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	51 vt->cols = cols;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	52
13531 9f857e6310b6 patch 8.0.1639: libvterm code lags behind master Christian Brabandt <cb@256bit.org> parents: 13318 diff changeset	53 vt->parser.state = NORMAL;
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	54
13531 9f857e6310b6 patch 8.0.1639: libvterm code lags behind master Christian Brabandt <cb@256bit.org> parents: 13318 diff changeset	55 vt->parser.callbacks = NULL;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master Christian Brabandt <cb@256bit.org> parents: 13318 diff changeset	56 vt->parser.cbdata = NULL;
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	57
13604 caa9825b04cd patch 8.0.1674: libvterm can't handle an OSC string split Christian Brabandt <cb@256bit.org> parents: 13531 diff changeset	58 vt->parser.strbuffer_len = 500; /* should be able to hold an OSC string */
13531 9f857e6310b6 patch 8.0.1639: libvterm code lags behind master Christian Brabandt <cb@256bit.org> parents: 13318 diff changeset	59 vt->parser.strbuffer_cur = 0;
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master Christian Brabandt <cb@256bit.org> parents: 13318 diff changeset	60 vt->parser.strbuffer = vterm_allocator_malloc(vt, vt->parser.strbuffer_len);
15249 544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	61 if (vt->parser.strbuffer == NULL)
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	62 {
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	63 vterm_allocator_free(vt, vt);
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	64 return NULL;
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	65 }
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	66
13318 5e47c4bdf3a6 patch 8.0.1533: libterm doesn't support requesting fg and bg color Christian Brabandt <cb@256bit.org> parents: 12507 diff changeset	67 vt->outbuffer_len = 200;
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	68 vt->outbuffer_cur = 0;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	69 vt->outbuffer = vterm_allocator_malloc(vt, vt->outbuffer_len);
15249 544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	70 if (vt->outbuffer == NULL)
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	71 {
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	72 vterm_allocator_free(vt, vt->parser.strbuffer);
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	73 vterm_allocator_free(vt, vt);
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	74 return NULL;
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	75 }
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	76
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	77 return vt;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	78 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	79
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	80 void vterm_free(VTerm *vt)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	81 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	82 if(vt->screen)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	83 vterm_screen_free(vt->screen);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	84
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	85 if(vt->state)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	86 vterm_state_free(vt->state);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	87
13531 9f857e6310b6 patch 8.0.1639: libvterm code lags behind master Christian Brabandt <cb@256bit.org> parents: 13318 diff changeset	88 vterm_allocator_free(vt, vt->parser.strbuffer);
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	89 vterm_allocator_free(vt, vt->outbuffer);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	90
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	91 vterm_allocator_free(vt, vt);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	92 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	93
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	94 INTERNAL void vterm_allocator_malloc(VTerm vt, size_t size)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	95 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	96 return (*vt->allocator->malloc)(size, vt->allocdata);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	97 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	98
15249 544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	99 /*
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	100 * Free "ptr" unless it is NULL.
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	101 */
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	102 INTERNAL void vterm_allocator_free(VTerm vt, void ptr)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	103 {
15249 544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	104 if (ptr)
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window Bram Moolenaar <Bram@vim.org> parents: 15166 diff changeset	105 (*vt->allocator->free)(ptr, vt->allocdata);
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	106 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	107
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	108 void vterm_get_size(const VTerm vt, int rowsp, int *colsp)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	109 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	110 if(rowsp)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	111 *rowsp = vt->rows;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	112 if(colsp)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	113 *colsp = vt->cols;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	114 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	115
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	116 void vterm_set_size(VTerm *vt, int rows, int cols)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	117 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	118 vt->rows = rows;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	119 vt->cols = cols;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	120
13531 9f857e6310b6 patch 8.0.1639: libvterm code lags behind master Christian Brabandt <cb@256bit.org> parents: 13318 diff changeset	121 if(vt->parser.callbacks && vt->parser.callbacks->resize)
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master Christian Brabandt <cb@256bit.org> parents: 13318 diff changeset	122 (*vt->parser.callbacks->resize)(rows, cols, vt->parser.cbdata);
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	123 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	124
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	125 int vterm_get_utf8(const VTerm *vt)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	126 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	127 return vt->mode.utf8;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	128 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	129
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	130 void vterm_set_utf8(VTerm *vt, int is_utf8)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	131 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	132 vt->mode.utf8 = is_utf8;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	133 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	134
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	135 INTERNAL void vterm_push_output_bytes(VTerm vt, const char bytes, size_t len)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	136 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	137 if(len > vt->outbuffer_len - vt->outbuffer_cur) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	138 DEBUG_LOG("vterm_push_output(): buffer overflow; truncating output\n");
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	139 len = vt->outbuffer_len - vt->outbuffer_cur;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	140 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	141
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	142 memcpy(vt->outbuffer + vt->outbuffer_cur, bytes, len);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	143 vt->outbuffer_cur += len;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	144 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	145
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	146 static int outbuffer_is_full(VTerm *vt)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	147 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	148 return vt->outbuffer_cur >= vt->outbuffer_len - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	149 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	150
12507 47da4dcc897e patch 8.0.1132: #if condition is not portable Christian Brabandt <cb@256bit.org> parents: 12076 diff changeset	151 #if (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 500) \
47da4dcc897e patch 8.0.1132: #if condition is not portable Christian Brabandt <cb@256bit.org> parents: 12076 diff changeset	152 \|\| defined(_ISOC99_SOURCE) \|\| defined(_BSD_SOURCE)
11653 67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	153 # undef VSNPRINTF
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	154 # define VSNPRINTF vsnprintf
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	155 #else
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	156 # ifdef VSNPRINTF
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	157 /* Use a provided vsnprintf() function. */
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	158 int VSNPRINTF(char str, size_t str_m, const char fmt, va_list ap);
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	159 # endif
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	160 #endif
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	161
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	162
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	163 INTERNAL void vterm_push_output_vsprintf(VTerm vt, const char format, va_list args)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	164 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	165 int written;
11653 67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	166 #ifndef VSNPRINTF
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	167 /* When vsnprintf() is not available (C90) fall back to vsprintf(). */
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	168 char buffer[1024]; /* 1Kbyte is enough for everybody, right? */
11653 67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	169 #endif
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	170
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	171 if(outbuffer_is_full(vt)) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	172 DEBUG_LOG("vterm_push_output(): buffer overflow; truncating output\n");
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	173 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	174 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	175
11653 67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	176 #ifdef VSNPRINTF
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	177 written = VSNPRINTF(vt->outbuffer + vt->outbuffer_cur,
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	178 vt->outbuffer_len - vt->outbuffer_cur,
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	179 format, args);
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	180
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	181 if(written == (int)(vt->outbuffer_len - vt->outbuffer_cur)) {
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	182 /* output was truncated */
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	183 vt->outbuffer_cur = vt->outbuffer_len - 1;
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	184 }
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	185 else
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	186 vt->outbuffer_cur += written;
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	187 #else
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	188 written = vsprintf(buffer, format, args);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	189
15166 694594a0d25d patch 8.1.0593: illegal memory access in libvterm test Bram Moolenaar <Bram@vim.org> parents: 13770 diff changeset	190 if(written >= (int)(vt->outbuffer_len - vt->outbuffer_cur - 1)) {
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	191 /* output was truncated */
15166 694594a0d25d patch 8.1.0593: illegal memory access in libvterm test Bram Moolenaar <Bram@vim.org> parents: 13770 diff changeset	192 written = vt->outbuffer_len - vt->outbuffer_cur - 1;
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	193 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	194 if (written > 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	195 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	196 strncpy(vt->outbuffer + vt->outbuffer_cur, buffer, written + 1);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	197 vt->outbuffer_cur += written;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	198 }
11653 67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf() Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	199 #endif
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	200 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	201
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	202 INTERNAL void vterm_push_output_sprintf(VTerm vt, const char format, ...)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	203 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	204 va_list args;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	205 va_start(args, format);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	206 vterm_push_output_vsprintf(vt, format, args);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	207 va_end(args);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	208 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	209
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	210 INTERNAL void vterm_push_output_sprintf_ctrl(VTerm vt, unsigned char ctrl, const char fmt, ...)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	211 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	212 size_t orig_cur = vt->outbuffer_cur;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	213 va_list args;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	214
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	215 if(ctrl >= 0x80 && !vt->mode.ctrl8bit)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	216 vterm_push_output_sprintf(vt, ESC_S "%c", ctrl - 0x40);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	217 else
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	218 vterm_push_output_sprintf(vt, "%c", ctrl);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	219
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	220 va_start(args, fmt);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	221 vterm_push_output_vsprintf(vt, fmt, args);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	222 va_end(args);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	223
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	224 if(outbuffer_is_full(vt))
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	225 vt->outbuffer_cur = orig_cur;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	226 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	227
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	228 INTERNAL void vterm_push_output_sprintf_dcs(VTerm vt, const char fmt, ...)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	229 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	230 size_t orig_cur = vt->outbuffer_cur;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	231 va_list args;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	232
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	233 if(!vt->mode.ctrl8bit)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	234 vterm_push_output_sprintf(vt, ESC_S "%c", C1_DCS - 0x40);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	235 else
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	236 vterm_push_output_sprintf(vt, "%c", C1_DCS);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	237
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	238 va_start(args, fmt);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	239 vterm_push_output_vsprintf(vt, fmt, args);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	240 va_end(args);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	241
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	242 vterm_push_output_sprintf_ctrl(vt, C1_ST, "");
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	243
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	244 if(outbuffer_is_full(vt))
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	245 vt->outbuffer_cur = orig_cur;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	246 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	247
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	248 size_t vterm_output_get_buffer_size(const VTerm *vt)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	249 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	250 return vt->outbuffer_len;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	251 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	252
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	253 size_t vterm_output_get_buffer_current(const VTerm *vt)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	254 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	255 return vt->outbuffer_cur;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	256 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	257
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	258 size_t vterm_output_get_buffer_remaining(const VTerm *vt)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	259 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	260 return vt->outbuffer_len - vt->outbuffer_cur;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	261 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	262
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	263 size_t vterm_output_read(VTerm vt, char buffer, size_t len)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	264 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	265 if(len > vt->outbuffer_cur)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	266 len = vt->outbuffer_cur;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	267
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	268 memcpy(buffer, vt->outbuffer, len);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	269
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	270 if(len < vt->outbuffer_cur)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	271 memmove(vt->outbuffer, vt->outbuffer + len, vt->outbuffer_cur - len);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	272
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	273 vt->outbuffer_cur -= len;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	274
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	275 return len;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	276 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	277
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	278 VTermValueType vterm_get_attr_type(VTermAttr attr)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	279 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	280 switch(attr) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	281 case VTERM_ATTR_BOLD: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	282 case VTERM_ATTR_UNDERLINE: return VTERM_VALUETYPE_INT;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	283 case VTERM_ATTR_ITALIC: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	284 case VTERM_ATTR_BLINK: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	285 case VTERM_ATTR_REVERSE: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	286 case VTERM_ATTR_STRIKE: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	287 case VTERM_ATTR_FONT: return VTERM_VALUETYPE_INT;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	288 case VTERM_ATTR_FOREGROUND: return VTERM_VALUETYPE_COLOR;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	289 case VTERM_ATTR_BACKGROUND: return VTERM_VALUETYPE_COLOR;
13531 9f857e6310b6 patch 8.0.1639: libvterm code lags behind master Christian Brabandt <cb@256bit.org> parents: 13318 diff changeset	290
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master Christian Brabandt <cb@256bit.org> parents: 13318 diff changeset	291 case VTERM_N_ATTRS: return 0;
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	292 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	293 return 0; /* UNREACHABLE */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	294 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	295
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	296 VTermValueType vterm_get_prop_type(VTermProp prop)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	297 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	298 switch(prop) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	299 case VTERM_PROP_CURSORVISIBLE: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	300 case VTERM_PROP_CURSORBLINK: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	301 case VTERM_PROP_ALTSCREEN: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	302 case VTERM_PROP_TITLE: return VTERM_VALUETYPE_STRING;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	303 case VTERM_PROP_ICONNAME: return VTERM_VALUETYPE_STRING;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	304 case VTERM_PROP_REVERSE: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	305 case VTERM_PROP_CURSORSHAPE: return VTERM_VALUETYPE_INT;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	306 case VTERM_PROP_MOUSE: return VTERM_VALUETYPE_INT;
12076 ca4931a20f8c patch 8.0.0918: cannot get terminal window cursor shape or attributes Christian Brabandt <cb@256bit.org> parents: 11653 diff changeset	307 case VTERM_PROP_CURSORCOLOR: return VTERM_VALUETYPE_STRING;
13531 9f857e6310b6 patch 8.0.1639: libvterm code lags behind master Christian Brabandt <cb@256bit.org> parents: 13318 diff changeset	308
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master Christian Brabandt <cb@256bit.org> parents: 13318 diff changeset	309 case VTERM_N_PROPS: return 0;
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	310 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	311 return 0; /* UNREACHABLE */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	312 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	313
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	314 void vterm_scroll_rect(VTermRect rect,
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	315 int downward,
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	316 int rightward,
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	317 int (moverect)(VTermRect src, VTermRect dest, void user),
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	318 int (eraserect)(VTermRect rect, int selective, void user),
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	319 void *user)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	320 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	321 VTermRect src;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	322 VTermRect dest;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	323
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	324 if(abs(downward) >= rect.end_row - rect.start_row \|\|
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	325 abs(rightward) >= rect.end_col - rect.start_col) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	326 /* Scroll more than area; just erase the lot */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	327 (*eraserect)(rect, 0, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	328 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	329 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	330
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	331 if(rightward >= 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	332 /* rect: [XXX................]
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	333 * src: [----------------]
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	334 * dest: [----------------]
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	335 */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	336 dest.start_col = rect.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	337 dest.end_col = rect.end_col - rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	338 src.start_col = rect.start_col + rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	339 src.end_col = rect.end_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	340 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	341 else {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	342 /* rect: [................XXX]
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	343 * src: [----------------]
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	344 * dest: [----------------]
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	345 */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	346 int leftward = -rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	347 dest.start_col = rect.start_col + leftward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	348 dest.end_col = rect.end_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	349 src.start_col = rect.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	350 src.end_col = rect.end_col - leftward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	351 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	352
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	353 if(downward >= 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	354 dest.start_row = rect.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	355 dest.end_row = rect.end_row - downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	356 src.start_row = rect.start_row + downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	357 src.end_row = rect.end_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	358 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	359 else {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	360 int upward = -downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	361 dest.start_row = rect.start_row + upward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	362 dest.end_row = rect.end_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	363 src.start_row = rect.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	364 src.end_row = rect.end_row - upward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	365 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	366
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	367 if(moverect)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	368 (*moverect)(dest, src, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	369
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	370 if(downward > 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	371 rect.start_row = rect.end_row - downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	372 else if(downward < 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	373 rect.end_row = rect.start_row - downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	374
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	375 if(rightward > 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	376 rect.start_col = rect.end_col - rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	377 else if(rightward < 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	378 rect.end_col = rect.start_col - rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	379
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	380 (*eraserect)(rect, 0, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	381 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	382
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	383 void vterm_copy_cells(VTermRect dest,
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	384 VTermRect src,
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	385 void (copycell)(VTermPos dest, VTermPos src, void user),
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	386 void *user)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	387 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	388 int downward = src.start_row - dest.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	389 int rightward = src.start_col - dest.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	390
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	391 int init_row, test_row, init_col, test_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	392 int inc_row, inc_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	393
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	394 VTermPos pos;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	395
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	396 if(downward < 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	397 init_row = dest.end_row - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	398 test_row = dest.start_row - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	399 inc_row = -1;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	400 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	401 else /* downward >= 0 */ {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	402 init_row = dest.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	403 test_row = dest.end_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	404 inc_row = +1;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	405 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	406
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	407 if(rightward < 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	408 init_col = dest.end_col - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	409 test_col = dest.start_col - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	410 inc_col = -1;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	411 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	412 else /* rightward >= 0 */ {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	413 init_col = dest.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	414 test_col = dest.end_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	415 inc_col = +1;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	416 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	417
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	418 for(pos.row = init_row; pos.row != test_row; pos.row += inc_row)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	419 for(pos.col = init_col; pos.col != test_col; pos.col += inc_col) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	420 VTermPos srcpos;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	421 srcpos.row = pos.row + downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	422 srcpos.col = pos.col + rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	423 (*copycell)(pos, srcpos, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	424 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	425 }

Mercurial > vim

annotate src/libvterm/src/vterm.c @ 15249:544490b69e1d v8.1.0633