Mercurial > vim
view src/os_vms_mms.c @ 29102:fd9006d6ddcf v8.2.5072
patch 8.2.5072: using uninitialized value and freed memory in spell command
Commit: https://github.com/vim/vim/commit/2813f38e021c6e6581c0c88fcf107e41788bc835
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Jun 9 19:54:24 2022 +0100
patch 8.2.5072: using uninitialized value and freed memory in spell command
Problem: Using uninitialized value and freed memory in spell command.
Solution: Initialize "attr". Check for empty line early.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Thu, 09 Jun 2022 21:00:04 +0200 |
parents | 2463194c8cdd |
children |
line wrap: on
line source
#include <stdio.h> #include <stdlib.h> #include <string.h> #include <unixio.h> #include "vim.h" int main(int argc, char *argv[]) { FILE *fpi, *fpo; char cmd[132], buf[BUFSIZ], *argp, *error_file, target[132], *mms; int err = 0, err_line = 0; mms = "mms"; argc--; argv++; while (argc-- > 0) { argp = *argv++; if (*argp == '-') { switch (*++argp) { case 'm': mms = ++argp; break; case 'e': if (!*(error_file = ++argp)) { error_file = *argv++; argc--; } break; default: break; } } else { if (*target) strcat(target, " "); strcat(target, argp); } } vim_snprintf(cmd, sizeof(cmd), "%s/output=tmp:errors.vim_tmp %s", mms, target); system(cmd); fpi = fopen("tmp:errors.vim_tmp", "r"); fpo = fopen(error_file, "w"); while (fgets(buf, BUFSIZ, fpi)) { if (!memcmp(buf, "%CC-", 4)) { err_line++; buf[strlen(buf)-1] = '\0'; err++; } else { if (err_line) { if (strstr(buf, _("At line"))) { err_line = 0; fprintf(fpo, "@"); } else buf[strlen(buf)-1] = '\0'; } } fprintf(fpo, "%s", buf); } fclose(fpi); fclose(fpo); while (!delete("tmp:errors.vim_tmp")) /*nop*/; exit(err ? 44 : 1); return(0); }