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comparison src/main/win32/SDL_win32_main.c @ 4118:3c068a8c016f SDL-1.2

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Tony White fixed bug #503 Support escaped quotes on Win32 command lines.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 29 Dec 2007 18:58:09 +0000
parents 70e77cbba87c
children 8b8314cc34a6
comparison
equal deleted inserted replaced
4117:dbb5f9556796 4118:3c068a8c016f
51 #if defined(_WIN32_WCE) && _WIN32_WCE < 300 51 #if defined(_WIN32_WCE) && _WIN32_WCE < 300
52 /* seems to be undefined in Win CE although in online help */ 52 /* seems to be undefined in Win CE although in online help */
53 #define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t')) 53 #define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t'))
54 #endif /* _WIN32_WCE < 300 */ 54 #endif /* _WIN32_WCE < 300 */
55 55
56 static void UnEscapeQuotes( char *arg )
57 {
58 char *last = NULL;
59
60 while( *arg ) {
61 if( *arg == '"' && *last == '\\' ) {
62 char *c_curr = arg;
63 char *c_last = last;
64
65 while( *c_curr ) {
66 *c_last = *c_curr;
67 c_last = c_curr;
68 c_curr++;
69 }
70 *c_last = '\0';
71 }
72 last = arg;
73 arg++;
74 }
75 }
76
56 /* Parse a command line buffer into arguments */ 77 /* Parse a command line buffer into arguments */
57 static int ParseCommandLine(char *cmdline, char **argv) 78 static int ParseCommandLine(char *cmdline, char **argv)
58 { 79 {
59 char *bufp; 80 char *bufp;
60 int argc; 81 char *lastp = NULL;
61 82 int argc, last_argc;
62 argc = 0; 83
84 argc = last_argc = 0;
63 for ( bufp = cmdline; *bufp; ) { 85 for ( bufp = cmdline; *bufp; ) {
64 /* Skip leading whitespace */ 86 /* Skip leading whitespace */
65 while ( isspace(*bufp) ) { 87 while ( isspace(*bufp) ) {
66 ++bufp; 88 ++bufp;
67 } 89 }
73 argv[argc] = bufp; 95 argv[argc] = bufp;
74 } 96 }
75 ++argc; 97 ++argc;
76 } 98 }
77 /* Skip over word */ 99 /* Skip over word */
78 while ( *bufp && (*bufp != '"') ) { 100 while ( *bufp && ( *bufp != '"' || *lastp == '\\' ) ) {
101 lastp = bufp;
79 ++bufp; 102 ++bufp;
80 } 103 }
81 } else { 104 } else {
82 if ( *bufp ) { 105 if ( *bufp ) {
83 if ( argv ) { 106 if ( argv ) {
94 if ( argv ) { 117 if ( argv ) {
95 *bufp = '\0'; 118 *bufp = '\0';
96 } 119 }
97 ++bufp; 120 ++bufp;
98 } 121 }
122
123 /* Strip out \ from \" sequences */
124 if( argv && last_argc != argc ) {
125 UnEscapeQuotes( argv[last_argc] );
126 }
127 last_argc = argc;
99 } 128 }
100 if ( argv ) { 129 if ( argv ) {
101 argv[argc] = NULL; 130 argv[argc] = NULL;
102 } 131 }
103 return(argc); 132 return(argc);