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* sysdeps/posix/getcwd.c: Correct comment saying < 0 is ok for size
	type.  [PR libc/1269]
This commit is contained in:
Ulrich Drepper
1999-08-20 23:44:23 +00:00
parent 6570e194e6
commit a2b3aa73b8
3 changed files with 8 additions and 9 deletions
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5
ChangeLog
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@ -1,8 +1,7 @@
1999-08-20 Ulrich Drepper <drepper@cygnus.com> 1999-08-20 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/getcwd.c: Allocate buffer large enough * sysdeps/posix/getcwd.c: Correct comment saying < 0 is ok for size
not only if size == 0, but also for size < 0. type. [PR libc/1269]
* sysdeps/posix/getcwd.c: Likewise. [PR libc/1269]
* posix/execvp.c (execvp): Allocate array name of correct size. * posix/execvp.c (execvp): Allocate array name of correct size.
Optimize inner loop. Use execve directly, not execv. Optimize inner loop. Use execve directly, not execv.

6
sysdeps/posix/getcwd.c
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@ -204,7 +204,7 @@ extern char *alloca ();
bytes of BUF. Returns NULL if the directory couldn't be determined or bytes of BUF. Returns NULL if the directory couldn't be determined or
SIZE was too small. If successful, returns BUF. In GNU, if BUF is SIZE was too small. If successful, returns BUF. In GNU, if BUF is
NULL, an array is allocated with `malloc'; the array is SIZE bytes long, NULL, an array is allocated with `malloc'; the array is SIZE bytes long,
unless SIZE <= 0, in which case it is as big as necessary. */ unless SIZE == 0, in which case it is as big as necessary. */
GETCWD_RETURN_TYPE GETCWD_RETURN_TYPE
__getcwd (buf, size) __getcwd (buf, size)
@ -226,7 +226,7 @@ __getcwd (buf, size)
int prev_errno = errno; int prev_errno = errno;
size_t allocated = size; size_t allocated = size;
if (size <= 0) if (size == 0)
{ {
if (buf != NULL) if (buf != NULL)
{ {
@ -363,7 +363,7 @@ __getcwd (buf, size)
if ((size_t) (pathp - path) <= namlen) if ((size_t) (pathp - path) <= namlen)
{ {
if (size > 0) if (size != 0)
{ {
(void) __closedir (dirstream); (void) __closedir (dirstream);
__set_errno (ERANGE); __set_errno (ERANGE);

6
sysdeps/unix/sysv/linux/getcwd.c
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@ -72,7 +72,7 @@ __getcwd (char *buf, size_t size)
if (no_syscall_getcwd && !have_new_dcache) if (no_syscall_getcwd && !have_new_dcache)
return generic_getcwd (buf, size); return generic_getcwd (buf, size);
if (size <= 0) if (size == 0)
{ {
if (buf != NULL) if (buf != NULL)
{ {
@ -179,7 +179,7 @@ __getcwd (char *buf, size_t size)
__set_errno (save_errno); __set_errno (save_errno);
/* Don't put restrictions on the length of the path unless the user does. */ /* Don't put restrictions on the length of the path unless the user does. */
if (size <= 0) if (size == 0)
{ {
free (path); free (path);
path = NULL; path = NULL;
@ -187,7 +187,7 @@ __getcwd (char *buf, size_t size)
result = generic_getcwd (path, size); result = generic_getcwd (path, size);
if (result == NULL && buf == NULL && size > 0) if (result == NULL && buf == NULL && size != 0)
free (path); free (path);
return result; return result;