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dlerror is not available on Windows

This commit is contained in:
Anonymous Maarten 2025-05-16 22:03:44 +02:00
parent 6f0321d8f6
commit c3e9e956b7
1 changed files with 19 additions and 1 deletions
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20
src/harness/platforms/sdl_dyn_common.h
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@ -16,6 +16,21 @@ static void Harness_UnloadObject(void *obj) {
static void *Harness_LoadFunction(void *obj, const char *name) {
return GetProcAddress(obj, name);
}
static const char *Harness_LoadError(void) {
static char buffer[512];
DWORD cchMsg = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
buffer,
sizeof(buffer)-1,
NULL);
if (cchMsg == 0) {
strncpy(buffer, "GetProcAddress failed", sizeof(buffer));
buffer[sizeof(buffer)-1] = '\0';
}
return buffer;
}
#else
#include <dlfcn.h>
static void *Harness_LoadObject(const char *name) {
@ -27,6 +42,9 @@ static void Harness_UnloadObject(void *obj) {
static void *Harness_LoadFunction(void *obj, const char *name) {
return dlsym(obj, name);
}
static const char *Harness_LoadError(void) {
return dlerror();
}
#endif
#endif
@ -39,7 +57,7 @@ static void *Harness_LoadFunction(void *obj, const char *name) {
#define X_LOAD_FUNCTION(name, ret, args) \
STR_JOIN(SYMBOL_PREFIX, name) = Harness_LoadFunction(OBJECT_NAME, "SDL_" #name); \
if (STR_JOIN(SYMBOL_PREFIX, name) == NULL) { \
fprintf(stderr, "Failed to load %s function: %s (%s)\n", SDL_NAME, "SDL_" #name, dlerror()); \
fprintf(stderr, "Failed to load %s function: %s (%s)\n", SDL_NAME, "SDL_" #name, Harness_LoadError()); \
goto failure; \
}
#else