Revision a6605d76cdad37ed3c55a7be4d2e0af0f4721bb2 authored by Junio C Hamano on 01 June 2011, 21:11:17 UTC, committed by Junio C Hamano on 01 June 2011, 21:11:17 UTC
Signed-off-by: Junio C Hamano <gitster@pobox.com>
unsetenv.c
#include "../git-compat-util.h"
void gitunsetenv (const char *name)
{
extern char **environ;
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;
}
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