SameBoy/wasm/utils.c

60 lines
1.2 KiB
C

#include <SDL2/SDL.h>
#include <stdio.h>
#include <string.h>
#include "utils.h"
const char *resource_folder(void)
{
#ifdef DATA_DIR
return DATA_DIR;
#else
static const char *ret = NULL;
if (!ret) {
ret = SDL_GetBasePath();
if (!ret) {
ret = "./";
}
}
return ret;
#endif
}
char *resource_path(const char *filename)
{
static char path[1024];
snprintf(path, sizeof(path), "%s%s", resource_folder(), filename);
return path;
}
void replace_extension(const char *src, size_t length, char *dest, const char *ext)
{
memcpy(dest, src, length);
dest[length] = 0;
/* Remove extension */
for (size_t i = length; i--;) {
if (dest[i] == '/') break;
if (dest[i] == '.') {
dest[i] = 0;
break;
}
}
/* Add new extension */
strcat(dest, ext);
}
char* concat(const char *s1, const char *s2)
{
char *result = malloc(strlen(s1) + strlen(s2) + 1); // +1 for the null-terminator
if (!result) {
fprintf(stderr, "Failed to allocate memory\n");
exit(EXIT_FAILURE);
}
strcpy(result, s1);
strcat(result, s2);
return result;
}