--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/libsdl-trunk/src/SDL_error.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,238 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2006 Sam Lantinga
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Sam Lantinga
+ slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/* Simple error handling in SDL */
+
+#include "SDL_error.h"
+#include "SDL_error_c.h"
+
+/* Routine to get the thread-specific error variable */
+#if SDL_THREADS_DISABLED
+/* The SDL_arraysize(The ),default (non-thread-safe) global error variable */
+static SDL_error SDL_global_error;
+#define SDL_GetErrBuf() (&SDL_global_error)
+#else
+extern SDL_error *SDL_GetErrBuf(void);
+#endif /* SDL_THREADS_DISABLED */
+
+#define SDL_ERRBUFIZE 1024
+
+/* Private functions */
+
+static const char *SDL_LookupString(const char *key)
+{
+ /* FIXME: Add code to lookup key in language string hash-table */
+ return key;
+}
+
+/* Public functions */
+
+void SDL_SetError (const char *fmt, ...)
+{
+ va_list ap;
+ SDL_error *error;
+
+ /* Copy in the key, mark error as valid */
+ error = SDL_GetErrBuf();
+ error->error = 1;
+ SDL_strlcpy((char *)error->key, fmt, sizeof(error->key));
+
+ va_start(ap, fmt);
+ error->argc = 0;
+ while ( *fmt ) {
+ if ( *fmt++ == '%' ) {
+ while ( *fmt == '.' || (*fmt >= '0' && *fmt <= '9') ) {
+ ++fmt;
+ }
+ switch (*fmt++) {
+ case 0: /* Malformed format string.. */
+ --fmt;
+ break;
+ case 'c':
+ case 'i':
+ case 'd':
+ case 'u':
+ case 'o':
+ case 'x':
+ case 'X':
+ error->args[error->argc++].value_i =
+ va_arg(ap, int);
+ break;
+ case 'f':
+ error->args[error->argc++].value_f =
+ va_arg(ap, double);
+ break;
+ case 'p':
+ error->args[error->argc++].value_ptr =
+ va_arg(ap, void *);
+ break;
+ case 's':
+ {
+ int i = error->argc;
+ const char *str = va_arg(ap, const char *);
+ if (str == NULL)
+ str = "(null)";
+ SDL_strlcpy((char *)error->args[i].buf, str, ERR_MAX_STRLEN);
+ error->argc++;
+ }
+ break;
+ default:
+ break;
+ }
+ if ( error->argc >= ERR_MAX_ARGS ) {
+ break;
+ }
+ }
+ }
+ va_end(ap);
+
+ /* If we are in debug mode, print out an error message */
+#ifdef DEBUG_ERROR
+ fprintf(stderr, "SDL_SetError: %s\n", SDL_GetError());
+#endif
+}
+
+/* This function has a bit more overhead than most error functions
+ so that it supports internationalization and thread-safe errors.
+*/
+char *SDL_GetErrorMsg(char *errstr, unsigned int maxlen)
+{
+ SDL_error *error;
+
+ /* Clear the error string */
+ *errstr = '\0'; --maxlen;
+
+ /* Get the thread-safe error, and print it out */
+ error = SDL_GetErrBuf();
+ if ( error->error ) {
+ const char *fmt;
+ char *msg = errstr;
+ int len;
+ int argi;
+
+ fmt = SDL_LookupString(error->key);
+ argi = 0;
+ while ( *fmt && (maxlen > 0) ) {
+ if ( *fmt == '%' ) {
+ 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;
+ case 'c':
+ 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 = SDL_snprintf(msg, maxlen, tmp, error->args[argi++].value_f);
+ msg += len;
+ maxlen -= len;
+ break;
+ case 'p':
+ len = SDL_snprintf(msg, maxlen, tmp, error->args[argi++].value_ptr);
+ msg += len;
+ maxlen -= len;
+ break;
+ case 's':
+ len = SDL_snprintf(msg, maxlen, tmp, SDL_LookupString(error->args[argi++].buf));
+ msg += len;
+ maxlen -= len;
+ break;
+ }
+ } else {
+ *msg++ = *fmt++;
+ maxlen -= 1;
+ }
+ }
+ *msg = 0; /* NULL terminate the string */
+ }
+ return(errstr);
+}
+
+/* Available for backwards compatibility */
+char *SDL_GetError (void)
+{
+ static char errmsg[SDL_ERRBUFIZE];
+
+ return((char *)SDL_GetErrorMsg(errmsg, SDL_ERRBUFIZE));
+}
+
+void SDL_ClearError(void)
+{
+ SDL_error *error;
+
+ error = SDL_GetErrBuf();
+ error->error = 0;
+}
+
+/* Very common errors go here */
+void SDL_Error(SDL_errorcode code)
+{
+ switch (code) {
+ case SDL_ENOMEM:
+ SDL_SetError("Out of memory");
+ break;
+ case SDL_EFREAD:
+ SDL_SetError("Error reading from datastream");
+ break;
+ case SDL_EFWRITE:
+ SDL_SetError("Error writing to datastream");
+ break;
+ case SDL_EFSEEK:
+ SDL_SetError("Error seeking in datastream");
+ break;
+ default:
+ SDL_SetError("Unknown SDL error");
+ break;
+ }
+}
+
+#ifdef TEST_ERROR
+int main(int argc, char *argv[])
+{
+ char buffer[BUFSIZ+1];
+
+ SDL_SetError("Hi there!");
+ printf("Error 1: %s\n", SDL_GetError());
+ SDL_ClearError();
+ SDL_memset(buffer, '1', BUFSIZ);
+ buffer[BUFSIZ] = 0;
+ SDL_SetError("This is the error: %s (%f)", buffer, 1.0);
+ printf("Error 2: %s\n", SDL_GetError());
+ exit(0);
+}
+#endif