Fixed some bugs in string handling
Cleaned up error message code, UTF-8 is used instead of UCS2
Added detection for MPEG Layer 3 audio for more informative errors.
--- a/src/SDL_error.c Thu May 11 15:52:41 2006 +0000
+++ b/src/SDL_error.c Thu May 11 21:03:23 2006 +0000
@@ -39,15 +39,10 @@
/* Private functions */
-static void SDL_LookupString(const Uint8 *key, Uint16 *buf, int buflen)
+static const char *SDL_LookupString(const char *key)
{
/* FIXME: Add code to lookup key in language string hash-table */
-
- /* Key not found in language string hash-table */
- while ( *key && (--buflen > 0) ) {
- *buf++ = *key++;
- }
- *buf = 0; /* NULL terminate string */
+ return key;
}
/* Public functions */
@@ -66,17 +61,20 @@
error->argc = 0;
while ( *fmt ) {
if ( *fmt++ == '%' ) {
+ while ( *fmt == '.' || (*fmt >= '0' && *fmt <= '9') ) {
+ ++fmt;
+ }
switch (*fmt++) {
case 0: /* Malformed format string.. */
--fmt;
break;
-#if 0 /* What is a character anyway? (UNICODE issues) */
case 'c':
- error->args[error->argc++].value_c =
- va_arg(ap, unsigned char);
- break;
-#endif
+ case 'i':
case 'd':
+ case 'u':
+ case 'o':
+ case 'x':
+ case 'X':
error->args[error->argc++].value_i =
va_arg(ap, int);
break;
@@ -114,124 +112,67 @@
#endif
}
-/* Print out an integer value to a UNICODE buffer */
-static int PrintInt(Uint16 *str, unsigned int maxlen, int value)
-{
- char tmp[128];
- int len, i;
-
- SDL_snprintf(tmp, SDL_arraysize(tmp), "%d", value);
- len = 0;
- if ( SDL_strlen(tmp) < maxlen ) {
- for ( i=0; tmp[i]; ++i ) {
- *str++ = tmp[i];
- ++len;
- }
- }
- return(len);
-}
-/* Print out a double value to a UNICODE buffer */
-static int PrintDouble(Uint16 *str, unsigned int maxlen, double value)
-{
- char tmp[128];
- int len, i;
-
- SDL_snprintf(tmp, SDL_arraysize(tmp), "%f", value);
- len = 0;
- if ( SDL_strlen(tmp) < maxlen ) {
- for ( i=0; tmp[i]; ++i ) {
- *str++ = tmp[i];
- ++len;
- }
- }
- return(len);
-}
-/* Print out a pointer value to a UNICODE buffer */
-static int PrintPointer(Uint16 *str, unsigned int maxlen, void *value)
-{
- char tmp[128];
- int len, i;
-
- SDL_snprintf(tmp, SDL_arraysize(tmp), "%p", value);
- len = 0;
- if ( SDL_strlen(tmp) < maxlen ) {
- for ( i=0; tmp[i]; ++i ) {
- *str++ = tmp[i];
- ++len;
- }
- }
- return(len);
-}
-
/* This function has a bit more overhead than most error functions
so that it supports internationalization and thread-safe errors.
*/
-Uint16 *SDL_GetErrorMsgUNICODE(Uint16 *errstr, unsigned int maxlen)
+char *SDL_GetErrorMsg(char *errstr, unsigned int maxlen)
{
SDL_error *error;
/* Clear the error string */
- *errstr = 0; --maxlen;
+ *errstr = '\0'; --maxlen;
/* Get the thread-safe error, and print it out */
error = SDL_GetErrBuf();
if ( error->error ) {
- Uint16 translated[ERR_MAX_STRLEN], *fmt, *msg;
+ const char *fmt;
+ char *msg = errstr;
int len;
int argi;
- /* Print out the UNICODE error message */
- SDL_LookupString(error->key, translated, sizeof(translated));
- msg = errstr;
+ fmt = SDL_LookupString(error->key);
argi = 0;
- for ( fmt=translated; *fmt && (maxlen > 0); ) {
+ while ( *fmt && (maxlen > 0) ) {
if ( *fmt == '%' ) {
- switch (fmt[1]) {
- case 'S': /* Special SKIP operand */
- argi += (fmt[2] - '0');
- ++fmt;
- break;
+ char tmp[32], *spot = tmp;
+ *spot++ = *fmt++;
+ while ( *fmt == '.' || (*fmt >= '0' && *fmt <= '9') && spot < (tmp+SDL_arraysize(tmp)-2) ) {
+ *spot++ = *fmt++;
+ }
+ *spot++ = *fmt++;
+ *spot++ = '\0';
+ switch (spot[-2]) {
case '%':
*msg++ = '%';
maxlen -= 1;
break;
-#if 0 /* What is a character anyway? (UNICODE issues) */
case 'c':
- *msg++ = (unsigned char)
- error->args[argi++].value_c;
- maxlen -= 1;
- break;
-#endif
- case 'd':
- len = PrintInt(msg, maxlen,
- error->args[argi++].value_i);
+ case 'i':
+ case 'd':
+ case 'u':
+ case 'o':
+ case 'x':
+ case 'X':
+ len = SDL_snprintf(msg, maxlen, tmp, error->args[argi++].value_i);
msg += len;
maxlen -= len;
break;
case 'f':
- len = PrintDouble(msg, maxlen,
- error->args[argi++].value_f);
+ len = SDL_snprintf(msg, maxlen, tmp, error->args[argi++].value_f);
msg += len;
maxlen -= len;
break;
case 'p':
- len = PrintPointer(msg, maxlen,
- error->args[argi++].value_ptr);
+ len = SDL_snprintf(msg, maxlen, tmp, error->args[argi++].value_ptr);
msg += len;
maxlen -= len;
break;
- case 's': /* UNICODE string */
- { Uint16 buf[ERR_MAX_STRLEN], *str;
- SDL_LookupString(error->args[argi++].buf, buf, sizeof(buf));
- str = buf;
- while ( *str && (maxlen > 0) ) {
- *msg++ = *str++;
- maxlen -= 1;
- }
- }
+ case 's':
+ len = SDL_snprintf(msg, maxlen, tmp, SDL_LookupString(error->args[argi++].buf));
+ msg += len;
+ maxlen -= len;
break;
}
- fmt += 2;
} else {
*msg++ = *fmt++;
maxlen -= 1;
@@ -242,32 +183,6 @@
return(errstr);
}
-Uint8 *SDL_GetErrorMsg(Uint8 *errstr, unsigned int maxlen)
-{
- Uint16 *errstr16;
- unsigned int i;
-
- /* Allocate the UNICODE buffer */
- errstr16 = (Uint16 *)SDL_malloc(maxlen * (sizeof *errstr16));
- if ( ! errstr16 ) {
- SDL_strlcpy((char *)errstr, "Out of memory", maxlen);
- return(errstr);
- }
-
- /* Get the error message */
- SDL_GetErrorMsgUNICODE(errstr16, maxlen);
-
- /* Convert from UNICODE to Latin1 encoding */
- for ( i=0; i<maxlen; ++i ) {
- errstr[i] = (Uint8)errstr16[i];
- }
-
- /* Free UNICODE buffer (if necessary) */
- SDL_free(errstr16);
-
- return(errstr);
-}
-
/* Available for backwards compatibility */
char *SDL_GetError (void)
{
--- a/src/audio/SDL_wave.c Thu May 11 15:52:41 2006 +0000
+++ b/src/audio/SDL_wave.c Thu May 11 21:03:23 2006 +0000
@@ -478,6 +478,11 @@
}
IMA_ADPCM_encoded = 1;
break;
+ case MP3_CODE:
+ SDL_SetError("MPEG Layer 3 data not supported",
+ SDL_SwapLE16(format->encoding));
+ was_error = 1;
+ goto done;
default:
SDL_SetError("Unknown WAVE data format: 0x%.4x",
SDL_SwapLE16(format->encoding));
--- a/src/audio/SDL_wave.h Thu May 11 15:52:41 2006 +0000
+++ b/src/audio/SDL_wave.h Thu May 11 21:03:23 2006 +0000
@@ -35,6 +35,7 @@
#define PCM_CODE 0x0001
#define MS_ADPCM_CODE 0x0002
#define IMA_ADPCM_CODE 0x0011
+#define MP3_CODE 0x0055
#define WAVE_MONO 1
#define WAVE_STEREO 2
--- a/src/stdlib/SDL_string.c Thu May 11 15:52:41 2006 +0000
+++ b/src/stdlib/SDL_string.c Thu May 11 21:03:23 2006 +0000
@@ -985,10 +985,10 @@
SDL_ltoa(value, num, radix);
size = SDL_strlen(num);
- if ( size > maxlen ) {
- size = maxlen;
+ if ( size >= maxlen ) {
+ size = maxlen-1;
}
- SDL_strlcpy(text, num, size);
+ SDL_strlcpy(text, num, size+1);
return size;
}
@@ -999,10 +999,10 @@
SDL_ultoa(value, num, radix);
size = SDL_strlen(num);
- if ( size > maxlen ) {
- size = maxlen;
+ if ( size >= maxlen ) {
+ size = maxlen-1;
}
- SDL_strlcpy(text, num, size);
+ SDL_strlcpy(text, num, size+1);
return size;
}
@@ -1014,10 +1014,10 @@
SDL_lltoa(value, num, radix);
size = SDL_strlen(num);
- if ( size > maxlen ) {
- size = maxlen;
+ if ( size >= maxlen ) {
+ size = maxlen-1;
}
- SDL_strlcpy(text, num, size);
+ SDL_strlcpy(text, num, size+1);
return size;
}
@@ -1028,10 +1028,10 @@
SDL_ulltoa(value, num, radix);
size = SDL_strlen(num);
- if ( size > maxlen ) {
- size = maxlen;
+ if ( size >= maxlen ) {
+ size = maxlen-1;
}
- SDL_strlcpy(text, num, size);
+ SDL_strlcpy(text, num, size+1);
return size;
}
@@ -1101,6 +1101,9 @@
++fmt;
/* FIXME: implement more of the format specifiers */
+ while ( *fmt == '.' || (*fmt >= '0' && *fmt <= '9') ) {
+ ++fmt;
+ }
while (!done) {
switch(*fmt) {
case '%':