compat/lfind.c

   1 /*****************************************************************************
   2  * lfind.c : implement lfind
   3  *****************************************************************************/
   4
   5 #ifdef HAVE_CONFIG_H
   6 # include <config.h>
   7 #endif
   8
   9 void *lfind(const void *key, const void *base, size_t *nmemb,
  10             size_t size, int(*cmp)(const void *, const void *))
  11 {
  12     for (size_t i = 0; i < *nmemb; ++i)
  13     {
  14         const void *elem = (const char*)base + i * size;
  15         if (!cmp(key, elem))
  16             return (void*)elem;
  17     }
  18     return NULL;
  19 }