[thirdparty/git.git] / compat / unsetenv.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;
}
Commit	Line	Data
85023577	1	#include "../git-compat-util.h"
731043fd JR	2
	3	void gitunsetenv (const char *name)
	4	{
f1e2a48d BS	5	#if !defined(__MINGW32__)
	6	extern char **environ;
	7	#endif
731043fd JR	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	}