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Reduce diffs to vendor's 1.11.17.

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This commit is contained in:
David E. O'Brien 2007-12-31 03:42:05 +00:00
parent 8ac3902acc
commit c24c464544
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=175008
1 changed files with 6 additions and 5 deletions
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11
contrib/cvs/src/filesubr.c
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@ -877,7 +877,7 @@ xreadlink (link)
{
char *file = NULL;
int buflen = BUFSIZ;
int linklen;
int link_name_len;
/* Get the name of the file to which `from' is linked.
FIXME: what portability issues arise here? Are readlink &
@ -886,14 +886,15 @@ xreadlink (link)
{
file = xrealloc (file, buflen);
errno = 0;
linklen = readlink (link, file, buflen - 1);
link_name_len = readlink (link, file, buflen - 1);
buflen *= 2;
}
while (linklen == -1 && errno == ENAMETOOLONG);
while (link_name_len < 0 && errno == ENAMETOOLONG);
if (linklen == -1)
if (link_name_len < 0)
error (1, errno, "cannot readlink %s", link);
file[linklen] = '\0';
file[link_name_len] = '\0';
return file;
}