35 lines
1005 B
C
35 lines
1005 B
C
#include "../include/library_loader.h"
|
|
|
|
#include <dlfcn.h>
|
|
#include <stdbool.h>
|
|
#include <stdio.h>
|
|
|
|
void* dlsym_print_fail(void *handle, const char *name, bool required) {
|
|
dlerror();
|
|
void *sym = dlsym(handle, name);
|
|
char *err_str = dlerror();
|
|
|
|
if(!sym)
|
|
fprintf(stderr, "%s: dlsym(handle, \"%s\") failed, error: %s\n", required ? "error" : "warning", name, err_str ? err_str : "(null)");
|
|
|
|
return sym;
|
|
}
|
|
|
|
/* |dlsyms| should be null terminated */
|
|
bool dlsym_load_list(void *handle, const dlsym_assign *dlsyms) {
|
|
bool success = true;
|
|
for(int i = 0; dlsyms[i].func; ++i) {
|
|
*dlsyms[i].func = dlsym_print_fail(handle, dlsyms[i].name, true);
|
|
if(!*dlsyms[i].func)
|
|
success = false;
|
|
}
|
|
return success;
|
|
}
|
|
|
|
/* |dlsyms| should be null terminated */
|
|
void dlsym_load_list_optional(void *handle, const dlsym_assign *dlsyms) {
|
|
for(int i = 0; dlsyms[i].func; ++i) {
|
|
*dlsyms[i].func = dlsym_print_fail(handle, dlsyms[i].name, false);
|
|
}
|
|
}
|