tvl-depot/third_party/git/compat/unsetenv.c
Vincent Ambo 7ef0d62730 merge(third_party/git): Merge squashed git subtree at v2.23.0
Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'
2020-01-11 23:40:29 +00:00

27 lines
591 B
C

#include "../git-compat-util.h"
void gitunsetenv (const char *name)
{
#if !defined(__MINGW32__)
extern char **environ;
#endif
int src, dst;
size_t nmln;
nmln = strlen(name);
for (src = dst = 0; environ[src]; ++src) {
size_t enln;
enln = strlen(environ[src]);
if (enln > nmln) {
/* might match, and can test for '=' safely */
if (0 == strncmp (environ[src], name, nmln)
&& '=' == environ[src][nmln])
/* matches, so skip */
continue;
}
environ[dst] = environ[src];
++dst;
}
environ[dst] = NULL;
}