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Add a GPL copyright notice.
[gnulib.git]
/
lib
/
save-cwd.c
diff --git
a/lib/save-cwd.c
b/lib/save-cwd.c
index
17d077d
..
93b1fe8
100644
(file)
--- a/
lib/save-cwd.c
+++ b/
lib/save-cwd.c
@@
-21,6
+21,7
@@
# include "config.h"
#endif
# include "config.h"
#endif
+#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdlib.h>
@@
-35,9
+36,6
@@
#endif
#include <errno.h>
#endif
#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
#ifndef O_DIRECTORY
# define O_DIRECTORY 0
#ifndef O_DIRECTORY
# define O_DIRECTORY 0
@@
-66,7
+64,7
@@
extern int errno;
int
save_cwd (struct saved_cwd *cwd)
{
int
save_cwd (struct saved_cwd *cwd)
{
- static
int have_working_fchdir = 1
;
+ static
bool have_working_fchdir = true
;
cwd->desc = -1;
cwd->name = NULL;
cwd->desc = -1;
cwd->name = NULL;
@@
-80,7
+78,7
@@
save_cwd (struct saved_cwd *cwd)
if (cwd->desc < 0)
{
cwd->name = xgetcwd ();
if (cwd->desc < 0)
{
cwd->name = xgetcwd ();
- return cwd->name
== NULL
;
+ return cwd->name
? 0 : -1
;
}
# if __sun__ || sun
}
# if __sun__ || sun
@@
-92,7
+90,7
@@
save_cwd (struct saved_cwd *cwd)
{
close (cwd->desc);
cwd->desc = -1;
{
close (cwd->desc);
cwd->desc = -1;
- have_working_fchdir =
0
;
+ have_working_fchdir =
false
;
}
else
{
}
else
{
@@
-100,13
+98,13
@@
save_cwd (struct saved_cwd *cwd)
close (cwd->desc);
cwd->desc = -1;
errno = saved_errno;
close (cwd->desc);
cwd->desc = -1;
errno = saved_errno;
- return 1;
+ return
-
1;
}
}
# endif /* __sun__ || sun */
#else
# define fchdir(x) (abort (), 0)
}
}
# endif /* __sun__ || sun */
#else
# define fchdir(x) (abort (), 0)
- have_working_fchdir =
0
;
+ have_working_fchdir =
false
;
#endif
}
#endif
}
@@
-114,22
+112,22
@@
save_cwd (struct saved_cwd *cwd)
{
cwd->name = xgetcwd ();
if (cwd->name == NULL)
{
cwd->name = xgetcwd ();
if (cwd->name == NULL)
- return 1;
+ return
-
1;
}
return 0;
}
/* Change to recorded location, CWD, in directory hierarchy.
}
return 0;
}
/* Change to recorded location, CWD, in directory hierarchy.
- Upon failure, return
nonzero
(errno is set by chdir or fchdir).
+ Upon failure, return
-1
(errno is set by chdir or fchdir).
Upon success, return zero. */
int
restore_cwd (const struct saved_cwd *cwd)
{
if (0 <= cwd->desc)
Upon success, return zero. */
int
restore_cwd (const struct saved_cwd *cwd)
{
if (0 <= cwd->desc)
- return fchdir (cwd->desc)
< 0
;
+ return fchdir (cwd->desc);
else
else
- return chdir (cwd->name)
< 0
;
+ return chdir (cwd->name);
}
void
}
void