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Code Issues Releases Activity

realpath(3): Minor style issues.

Browse Source 
Sponsored by:	Klara, Inc.
Reviewed by:	kevans
Differential Revision:	https://reviews.freebsd.org/D46695
This commit is contained in:
Dag-Erling Smørgrav 2024-09-18 18:29:55 +02:00
parent e47161e5f1
commit abed32f91d
1 changed files with 10 additions and 9 deletions
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19
lib/libc/stdlib/realpath.c
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@ -33,10 +33,10 @@
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <ssp/ssp.h>
#include "un-namespace.h"
#include "libc_private.h"
@ -146,13 +146,14 @@ realpath1(const char *path, char *resolved)
return (NULL);
}
slen = readlink(resolved, symlink, sizeof(symlink));
if (slen <= 0 || slen >= (ssize_t)sizeof(symlink)) {
if (slen < 0)
; /* keep errno from readlink(2) call */
else if (slen == 0)
errno = ENOENT;
else
errno = ENAMETOOLONG;
if (slen < 0)
return (NULL);
if (slen == 0) {
errno = ENOENT;
return (NULL);
}
if ((size_t)slen >= sizeof(symlink)) {
errno = ENAMETOOLONG;
return (NULL);
}
symlink[slen] = '\0';
@ -173,7 +174,7 @@ realpath1(const char *path, char *resolved)
*/
if (p != NULL) {
if (symlink[slen - 1] != '/') {
if (slen + 1 >= (ssize_t)sizeof(symlink)) {
if ((size_t)slen + 1 >= sizeof(symlink)) {
errno = ENAMETOOLONG;
return (NULL);
}