SameBoy/SDL/utils.c

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#include <SDL.h>
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#include <stdio.h>
#include <string.h>
#include "utils.h"
const char *resource_folder(void)
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{
#ifdef DATA_DIR
return DATA_DIR;
#else
static const char *ret = NULL;
if (!ret) {
ret = SDL_GetBasePath();
if (!ret) {
ret = "./";
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}
}
return ret;
#endif
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}
char *resource_path(const char *filename)
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{
static char path[1024];
snprintf(path, sizeof(path), "%s%s", resource_folder(), filename);
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return path;
}
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void replace_extension(const char *src, size_t length, char *dest, const char *ext)
{
memcpy(dest, src, length);
dest[length] = 0;
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/* Remove extension */
for (size_t i = length; i--;) {
if (dest[i] == '/') break;
if (dest[i] == '.') {
dest[i] = 0;
break;
}
}
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/* Add new extension */
strcat(dest, ext);
}