Andrew's git - gitweb.git/blob

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