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Windows process: escape backslashes before quotes

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Semphris
2024-09-13 22:23:49 -04:00
committed by Sam Lantinga
parent 90e01040c5
commit 3cf54675bb
2 changed files with 13 additions and 0 deletions
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10
src/process/windows/SDL_windowsprocess.c
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@@ -95,6 +95,10 @@ static bool join_arguments(const char * const *args, char **args_out)
case '"': case '"':
len += 2; len += 2;
break; break;
case '\\':
/* only escape backslashes that precede a double quote */
len += (*(a + 1) == '"' || *(a + 1) == '\0') ? 2 : 1;
break;
default: default:
len += 1; len += 1;
break; break;
@@ -121,6 +125,12 @@ static bool join_arguments(const char * const *args, char **args_out)
result[i_out++] = '\\'; result[i_out++] = '\\';
result[i_out++] = *a; result[i_out++] = *a;
break; break;
case '\\':
result[i_out++] = *a;
if (*(a + 1) == '"' || *(a + 1) == '\0') {
result[i_out++] = *a;
}
break;
default: default:
result[i_out++] = *a; result[i_out++] = *a;
break; break;

3
test/testprocess.c
View File

@@ -92,6 +92,9 @@ static int SDLCALL process_testArguments(void *arg)
"'a' 'b' 'c'", "'a' 'b' 'c'",
"%d%%%s", "%d%%%s",
"\\t\\c", "\\t\\c",
"evil\\",
"a\\b\"c\\",
"\"\\^&|<>%", /* characters with a special meaning */
NULL NULL
}; };
SDL_Process *process = NULL; SDL_Process *process = NULL;