gw-dlopen.c File Reference

#include "gw-config.h"
#include "gwlib.h"
#include <dlfcn.h>

Go to the source code of this file.

Functions
int	gw_dlopen_get_symbol (const char *lib_path, const char *name, void **result)

Function Documentation

gw_dlopen_get_symbol()

int gw_dlopen_get_symbol	(	const char *	lib_path,
		const char *	name,
		void **	result
	)

Definition at line 70 of file gw-dlopen.c.

References debug(), error(), and name.

Referenced by smsc_http_create().

{
    void *dl_handle, *addr;
    const char* err;

    *result = NULL;

    dl_handle = dlopen(lib_path, RTLD_NOW | RTLD_LOCAL);
    err = dlerror();
    if (NULL != err) {
        error(0, "error opening shared library `%s': %s", (lib_path == NULL ? "" : lib_path), err);
        return -1;
    }

    debug("gw_dlopen", 0, "shared library `%s' opened", (lib_path == NULL ? "" : lib_path));

    addr = dlsym(dl_handle, name);
    if (addr == NULL) {
        error(0, "error find name in shared library `%s': %s", (lib_path == NULL ? "" : lib_path), dlerror());
        dlclose(dl_handle);
        return -1;
    }
    dlclose(dl_handle);

    *result = addr;

    return 0;
}