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annotate src/vimrun.c @ 15969:9cc42db77a54 v8.1.0990

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patch 8.1.0990: floating point exception with "%= 0" and "/= 0" commit https://github.com/vim/vim/commit/e21c1580b7acb598a6e3c38565434fe5d0e2ad7a Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 2 11:57:09 2019 +0100 patch 8.1.0990: floating point exception with "%= 0" and "/= 0" Problem: Floating point exception with "%= 0" and "/= 0". Solution: Avoid dividing by zero. (Dominique Pelle, closes https://github.com/vim/vim/issues/4058)
author Bram Moolenaar <Bram@vim.org>
date Sat, 02 Mar 2019 12:00:06 +0100
parents 8412df1479a3
children 7e733046db1d
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1 /* vi:set ts=8 sts=4 sw=4 noet:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 * this file by Vince Negri
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5 *
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6 * Do ":help uganda" in Vim to read copying and usage conditions.
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7 * Do ":help credits" in Vim to see a list of people who contributed.
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8 * See README.txt for an overview of the Vim source code.
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9 */
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10
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11 /*
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12 * vimrun.c - Tiny Win32 program to safely run an external command in a
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13 * DOS console.
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14 * This program is required to avoid that typing CTRL-C in the DOS
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15 * console kills Vim. Now it only kills vimrun.
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16 */
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17
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18 #include <stdio.h>
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19 #include <stdlib.h>
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20 #include <conio.h>
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21 #ifndef WIN32_LEAN_AND_MEAN
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22 # define WIN32_LEAN_AND_MEAN
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23 #endif
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24 #include <windows.h>
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25
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26 #ifdef __BORLANDC__
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27 # define _kbhit kbhit
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28 # define _getch getch
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29 #endif
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30
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31 int
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32 main(void)
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33 {
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34 const wchar_t *p;
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35 int retval;
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36 int inquote = 0;
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37 int silent = 0;
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38 HANDLE hstdout;
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39 DWORD written;
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40
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41 p = (const wchar_t *)GetCommandLineW();
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42
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43 /*
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44 * Skip the executable name, which might be in "".
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45 */
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46 while (*p)
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47 {
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48 if (*p == L'"')
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49 inquote = !inquote;
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50 else if (!inquote && *p == L' ')
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51 {
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52 ++p;
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53 break;
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54 }
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55 ++p;
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56 }
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57 while (*p == L' ')
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58 ++p;
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59
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60 /*
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61 * "-s" argument: don't wait for a key hit.
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62 */
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63 if (p[0] == L'-' && p[1] == L's' && p[2] == L' ')
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64 {
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65 silent = 1;
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66 p += 3;
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67 while (*p == L' ')
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68 ++p;
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69 }
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70
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71 /* Print the command, including quotes and redirection. */
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72 hstdout = GetStdHandle(STD_OUTPUT_HANDLE);
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73 WriteConsoleW(hstdout, p, wcslen(p), &written, NULL);
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74 WriteConsoleW(hstdout, L"\r\n", 2, &written, NULL);
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75
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76 /*
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77 * Do it!
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78 */
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79 retval = _wsystem(p);
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80
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81 if (retval == -1)
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82 perror("vimrun system(): ");
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83 else if (retval != 0)
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84 printf("shell returned %d\n", retval);
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85
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86 if (!silent)
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87 {
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88 puts("Hit any key to close this window...");
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89
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90 while (_kbhit())
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91 (void)_getch();
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92 (void)_getch();
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93 }
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94
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95 return retval;
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96 }