Andrew's git - gitweb.git/blob

   1#include "../git-compat-util.h"
   2
   3void gitunsetenv (const char *name)
   4{
   5#if !defined(__MINGW32__)
   6     extern char **environ;
   7#endif
   8     int src, dst;
   9     size_t nmln;
  10
  11     nmln = strlen(name);
  12
  13     for (src = dst = 0; environ[src]; ++src) {
  14          size_t enln;
  15          enln = strlen(environ[src]);
  16          if (enln > nmln) {
  17               /* might match, and can test for '=' safely */
  18               if (0 == strncmp (environ[src], name, nmln)
  19                   && '=' == environ[src][nmln])
  20                    /* matches, so skip */
  21                    continue;
  22          }
  23          environ[dst] = environ[src];
  24          ++dst;
  25     }
  26     environ[dst] = NULL;
  27}