lib/glibc
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* sysdeps/unix/sysv/linux/getcwd.c: Allocate buffer large enough
	not only if size == 0, but also for size < 0.
	* sysdeps/posix/getcwd.c: Likewise.  [PR libc/1269]
This commit is contained in:
Ulrich Drepper
1999-08-20 18:07:28 +00:00
parent f95a00152a
commit be7d999a09
3 changed files with 8 additions and 7 deletions
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5
ChangeLog
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@@ -1,7 +1,8 @@
1999-08-20 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/posix/getcwd.c: Allocate buffer large enough not only if
size == 0, but also for size < 0 [PR libc/1269].
* sysdeps/unix/sysv/linux/getcwd.c: Allocate buffer large enough
not only if size == 0, but also for size < 0.
* sysdeps/posix/getcwd.c: Likewise. [PR libc/1269]
* posix/execvp.c (execvp): Allocate array name of correct size.
Optimize inner loop. Use execve directly, not execv.

4
sysdeps/posix/getcwd.c
View File

@@ -226,7 +226,7 @@ __getcwd (buf, size)
int prev_errno = errno;
size_t allocated = size;
if (size == 0)
if (size <= 0)
{
if (buf != NULL)
{
@@ -363,7 +363,7 @@ __getcwd (buf, size)
if ((size_t) (pathp - path) <= namlen)
{
if (size != 0)
if (size > 0)
{
(void) __closedir (dirstream);
__set_errno (ERANGE);

6
sysdeps/unix/sysv/linux/getcwd.c
View File

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