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Small stack allocations fall back to malloc if they're unexpectedly large.

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This commit is contained in:
Ryan C. Gordon
2018-10-22 20:50:32 -04:00
parent eedf2c965d
commit b262b0ebc9
19 changed files with 84 additions and 52 deletions
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5
src/loadso/dlopen/SDL_sysloadso.c
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@@ -61,12 +61,13 @@ SDL_LoadFunction(void *handle, const char *name)
void *symbol = dlsym(handle, name);
if (symbol == NULL) {
/* append an underscore for platforms that need that. */
SDL_bool isstack;
size_t len = 1 + SDL_strlen(name) + 1;
char *_name = SDL_stack_alloc(char, len);
char *_name = SDL_small_alloc(char, len, &isstack);
_name[0] = '_';
SDL_strlcpy(&_name[1], name, len);
symbol = dlsym(handle, _name);
SDL_stack_free(_name);
SDL_small_free(_name, isstack);
if (symbol == NULL) {
SDL_SetError("Failed loading %s: %s", name,
(const char *) dlerror());