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N3DS: Use asprintf instead of snprintf.

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This commit is contained in:
Pierre Wendling 2022-09-18 08:49:56 -04:00 committed by Sam Lantinga
parent 655275378d
commit 2b2693ae90
2 changed files with 16 additions and 6 deletions
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9
src/file/n3ds/SDL_rwopsromfs.c
View file

@ -20,6 +20,7 @@
*/
#include "SDL_rwopsromfs.h"
#include "SDL_error.h"
/* Nintendo 3DS applications may embed resources in the executable. The
resources are stored in a special read-only partition prefixed with
@ -30,7 +31,7 @@ FILE *
N3DS_FileOpen(const char *file, const char *mode)
{
FILE *fp = NULL;
char romfs_path[4096];
char *romfs_path;
/* romfs are read-only */
if (SDL_strchr(mode, 'r') == NULL) {
@ -43,13 +44,17 @@ N3DS_FileOpen(const char *file, const char *mode)
return fopen(file, mode);
}
SDL_snprintf(romfs_path, 4096, "romfs:/%s", file);
if (SDL_asprintf(&romfs_path, "romfs:/%s", file) < 0) {
SDL_OutOfMemory();
return NULL;
}
fp = fopen(romfs_path, mode);
if (fp == NULL) {
fp = fopen(file, mode);
}
SDL_free(romfs_path);
return fp;
}

13
src/filesystem/n3ds/SDL_sysfilesystem.c
View file

@ -52,6 +52,10 @@ SDL_GetPrefPath(const char *org, const char *app)
}
pref_path = MakePrefPath(app);
if (pref_path == NULL) {
return NULL;
}
if (CreatePrefPathDir(pref_path) < 0) {
SDL_free(pref_path);
return NULL;
@ -63,10 +67,11 @@ SDL_GetPrefPath(const char *org, const char *app)
SDL_FORCE_INLINE char *
MakePrefPath(const char *app)
{
static const char *FMT = "/3ds/%s/";
size_t length = SDL_snprintf(NULL, 0, FMT, app) + 1;
char *pref_path = (char *) SDL_calloc(length, sizeof(char));
SDL_snprintf(pref_path, length, FMT, app);
char *pref_path;
if (SDL_asprintf(&pref_path, "/3ds/%s/", app) < 0) {
SDL_OutOfMemory();
return NULL;
}
return pref_path;
}