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real_path_internal(): add comment explaining use of cwd 

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Jeff King <peff@peff.net>
maint
Michael Haggerty 2012-10-28 17:16:21 +01:00 committed by Jeff King
parent 038e55fec2
commit d6052abca3
1 changed files with 7 additions and 0 deletions
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7
abspath.c
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@ -35,7 +35,14 @@ static const char *real_path_internal(const char *path, int die_on_error)
{ {
static char bufs[2][PATH_MAX + 1], *buf = bufs[0], *next_buf = bufs[1]; static char bufs[2][PATH_MAX + 1], *buf = bufs[0], *next_buf = bufs[1];
char *retval = NULL; char *retval = NULL;

/*
* If we have to temporarily chdir(), store the original CWD
* here so that we can chdir() back to it at the end of the
* function:
*/
char cwd[1024] = ""; char cwd[1024] = "";

int buf_index = 1; int buf_index = 1;


int depth = MAXDEPTH; int depth = MAXDEPTH;