From a091c00c00c1d5ae5e3da7ef31b98293c76d479f Mon Sep 17 00:00:00 2001 From: pants Date: Mon, 21 Sep 2026 14:16:59 -0700 Subject: init --- src/library_loader.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 src/library_loader.c (limited to 'src/library_loader.c') diff --git a/src/library_loader.c b/src/library_loader.c new file mode 100644 index 0000000..0aeee9b --- /dev/null +++ b/src/library_loader.c @@ -0,0 +1,34 @@ +#include "../include/library_loader.h" + +#include +#include +#include + +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); + } +} -- cgit v1.2.3