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SDL_getenv() should return const

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This also allows us to use SDL_FreeLater() and make SDL_getenv() thread-safe on Windows.
This commit is contained in:
Sam Lantinga
2024-07-22 12:09:03 -07:00
parent ef21e31a9a
commit 29f0fd33dc
14 changed files with 88 additions and 95 deletions
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13
src/filesystem/unix/SDL_sysfilesystem.c
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@@ -74,18 +74,19 @@ static char *readSymLink(const char *path)
#ifdef SDL_PLATFORM_OPENBSD
static char *search_path_for_binary(const char *bin)
{
char *envr = SDL_getenv("PATH");
const char *envr_real = SDL_getenv("PATH");
char *envr;
size_t alloc_size;
char *exe = NULL;
char *start = envr;
char *ptr;
if (!envr) {
if (!envr_real) {
SDL_SetError("No $PATH set");
return NULL;
}
envr = SDL_strdup(envr);
envr = SDL_strdup(envr_real);
if (!envr) {
return NULL;
}
@@ -358,7 +359,8 @@ char *SDL_SYS_GetPrefPath(const char *org, const char *app)
static char *xdg_user_dir_lookup_with_fallback (const char *type, const char *fallback)
{
FILE *file;
char *home_dir, *config_home, *config_file;
const char *home_dir, *config_home;
char *config_file;
char buffer[512];
char *user_dir;
char *p, *d;
@@ -486,7 +488,8 @@ error2:
static char *xdg_user_dir_lookup (const char *type)
{
char *dir, *home_dir, *user_dir;
const char *home_dir;
char *dir, *user_dir;
dir = xdg_user_dir_lookup_with_fallback(type, NULL);
if (dir)