pcsxr-1.9.92

1 files changed, 259 insertions, 0 deletions

diff --git a/macosx/plugins/DFInput/SDL/src/SDL_error.c b/macosx/plugins/DFInput/SDL/src/SDL_error.c
new file mode 100644
index 0000000..55d183a
--- /dev/null
+++ b/macosx/plugins/DFInput/SDL/src/SDL_error.c
@@ -0,0 +1,259 @@
+/*
+    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: */