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Remove unnecessary errno handling.

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This commit is contained in:
Matt Kraai 2001-11-12 18:44:26 +00:00
parent 6c5fdfaf56
commit 5c2bbb55d7
1 changed files with 0 additions and 5 deletions
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5
libbb/xgetcwd.c
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@ -27,24 +27,19 @@ xgetcwd (char *cwd)
char *ret; char *ret;
unsigned path_max; unsigned path_max;
errno = 0;
path_max = (unsigned) PATH_MAX; path_max = (unsigned) PATH_MAX;
path_max += 2; /* The getcwd docs say to do this. */ path_max += 2; /* The getcwd docs say to do this. */
if(cwd==0) if(cwd==0)
cwd = xmalloc (path_max); cwd = xmalloc (path_max);
errno = 0;
while ((ret = getcwd (cwd, path_max)) == NULL && errno == ERANGE) { while ((ret = getcwd (cwd, path_max)) == NULL && errno == ERANGE) {
path_max += PATH_INCR; path_max += PATH_INCR;
cwd = xrealloc (cwd, path_max); cwd = xrealloc (cwd, path_max);
errno = 0;
} }
if (ret == NULL) { if (ret == NULL) {
int save_errno = errno;
free (cwd); free (cwd);
errno = save_errno;
perror_msg("getcwd()"); perror_msg("getcwd()");
return NULL; return NULL;
} }