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Tony White fixed bug #503

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Support escaped quotes on Win32 command lines.

--HG--
branch : SDL-1.2
This commit is contained in:
Sam Lantinga
2007-12-29 18:58:09 +00:00
parent d588e8c1c4
commit fc9f99f291
1 changed files with 32 additions and 3 deletions
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35
src/main/win32/SDL_win32_main.c
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@@ -53,13 +53,35 @@
#define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t'))
#endif /* _WIN32_WCE < 300 */
static void UnEscapeQuotes( char *arg )
{
char *last = NULL;
while( *arg ) {
if( *arg == '"' && *last == '\\' ) {
char *c_curr = arg;
char *c_last = last;
while( *c_curr ) {
*c_last = *c_curr;
c_last = c_curr;
c_curr++;
}
*c_last = '\0';
}
last = arg;
arg++;
}
}
/* Parse a command line buffer into arguments */
static int ParseCommandLine(char *cmdline, char **argv)
{
char *bufp;
int argc;
char *lastp = NULL;
int argc, last_argc;
argc = 0;
argc = last_argc = 0;
for ( bufp = cmdline; *bufp; ) {
/* Skip leading whitespace */
while ( isspace(*bufp) ) {
@@ -75,7 +97,8 @@ static int ParseCommandLine(char *cmdline, char **argv)
++argc;
}
/* Skip over word */
while ( *bufp && (*bufp != '"') ) {
while ( *bufp && ( *bufp != '"' || *lastp == '\\' ) ) {
lastp = bufp;
++bufp;
}
} else {
@@ -96,6 +119,12 @@ static int ParseCommandLine(char *cmdline, char **argv)
}
++bufp;
}
/* Strip out \ from \" sequences */
if( argv && last_argc != argc ) {
UnEscapeQuotes( argv[last_argc] );
}
last_argc = argc;
}
if ( argv ) {
argv[argc] = NULL;