+++ /dev/null
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2010 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
-/* !!! FIXME: what does this comment mean? Victim of Search and Replace? */
-/* 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.
-*/
-static 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;
- case SDL_UNSUPPORTED:
- SDL_SetError("That operation is not supported");
- 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
-/* vi: set ts=4 sw=4 expandtab: */
notaz.gp2x.de / pcsx_rearmed.git / blobdiff