htop/Compat.c

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2020-10-26 20:16:43 +00:00
/*
htop - Compat.c
(C) 2020 Christian Göttsche
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h" // IWYU pragma: keep
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "Compat.h"
#include "XUtils.h"
int Compat_fstatat(int dirfd,
const char* dirpath,
const char* pathname,
struct stat* statbuf,
int flags) {
#ifdef HAVE_FSTATAT
(void)dirpath;
return fstatat(dirfd, pathname, statbuf, flags);
#else
(void)dirfd;
char path[4096];
xSnprintf(path, sizeof(path), "%s/%s", dirpath, pathname);
if (flags & AT_SYMLINK_NOFOLLOW)
return lstat(path, statbuf);
return stat(path, statbuf);
#endif
}
2020-10-29 22:02:57 +00:00
int Compat_readlinkat(int dirfd,
const char* dirpath,
const char* pathname,
char* buf,
size_t bufsize) {
#ifdef HAVE_READLINKAT
(void)dirpath;
return readlinkat(dirfd, pathname, buf, bufsize);
#else
(void)dirfd;
char path[4096];
xSnprintf(path, sizeof(path), "%s/%s", dirpath, pathname);
return readlink(path, buf, bufsize);
#endif
}