Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Browse files
Browse the repository at this point in the history
* stdlib/bits/stdlib.h: New file.
* stdlib/stdlib.h: Include <bits/stdlib.h> if fortification is requested. * Makefile (headers): Add bits/stdlib.h. * include/bits/stdlib.h: New file. * debug/Depend: New file. * debug/ptsname_r_chk.c: New file. * debug/realpath_chk.c: New file. * debug/wctomb_chk.c: New file. * debug/Makefile (routines): Add ptsname_r_chk, realpath_chk, and wctomb_chk. * debug/Versions: Export __ptsname_r_chk, __realpath_chk, and __wctomb_chk. * debug/tst-chk1.c: Add tests for __ptsname_r_chk, __realpath_chk, and __wctomb_chk.
- Loading branch information
Ulrich Drepper
committed
Jul 13, 2005
1 parent
9d653cd
commit b799f91
Showing
12 changed files
with
295 additions
and
2 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1 @@ | ||
localedata |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,29 @@ | ||
/* Copyright (C) 2005 Free Software Foundation, Inc. | ||
This file is part of the GNU C Library. | ||
The GNU C Library is free software; you can redistribute it and/or | ||
modify it under the terms of the GNU Lesser General Public | ||
License as published by the Free Software Foundation; either | ||
version 2.1 of the License, or (at your option) any later version. | ||
The GNU C Library is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
Lesser General Public License for more details. | ||
You should have received a copy of the GNU Lesser General Public | ||
License along with the GNU C Library; if not, write to the Free | ||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | ||
02111-1307 USA. */ | ||
|
||
#include <stdlib.h> | ||
|
||
|
||
int | ||
__ptsname_r_chk (int fd, char *buf, size_t buflen, size_t nreal) | ||
{ | ||
if (buflen > nreal) | ||
__chk_fail (); | ||
|
||
return __ptsname_r (fd, buf, buflen); | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,60 @@ | ||
/* Copyright (C) 2005 Free Software Foundation, Inc. | ||
This file is part of the GNU C Library. | ||
The GNU C Library is free software; you can redistribute it and/or | ||
modify it under the terms of the GNU Lesser General Public | ||
License as published by the Free Software Foundation; either | ||
version 2.1 of the License, or (at your option) any later version. | ||
The GNU C Library is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
Lesser General Public License for more details. | ||
You should have received a copy of the GNU Lesser General Public | ||
License along with the GNU C Library; if not, write to the Free | ||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | ||
02111-1307 USA. */ | ||
|
||
#include <limits.h> | ||
#include <stdlib.h> | ||
#include <string.h> | ||
#include <unistd.h> | ||
|
||
|
||
char * | ||
__realpath_chk (const char *buf, char *resolved, size_t resolvedlen) | ||
{ | ||
#ifdef PATH_MAX | ||
if (resolvedlen < PATH_MAX) | ||
__chk_fail (); | ||
|
||
return __realpath (buf, resolved); | ||
#else | ||
long int pathmax =__pathconf (buf, _PC_PATH_MAX); | ||
if (pathmax != -1) | ||
{ | ||
/* We do have a fixed limit. */ | ||
if (resolvedlen < pathmax) | ||
__chk_fail (); | ||
|
||
return __realpath (buf, resolved); | ||
} | ||
|
||
/* Since there is no fixed limit we check whether the size is large | ||
enough. */ | ||
char *res = __realpath (buf, NULL); | ||
if (res != NULL) | ||
{ | ||
size_t actlen = strlen (res) + 1; | ||
if (actlen > resolvedlen) | ||
__chk_fail (); | ||
|
||
memcpy (resolved, res, actlen); | ||
free (res); | ||
res = resolved; | ||
} | ||
|
||
return res; | ||
#endif | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,36 @@ | ||
/* Copyright (C) 2005 Free Software Foundation, Inc. | ||
This file is part of the GNU C Library. | ||
The GNU C Library is free software; you can redistribute it and/or | ||
modify it under the terms of the GNU Lesser General Public | ||
License as published by the Free Software Foundation; either | ||
version 2.1 of the License, or (at your option) any later version. | ||
The GNU C Library is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
Lesser General Public License for more details. | ||
You should have received a copy of the GNU Lesser General Public | ||
License along with the GNU C Library; if not, write to the Free | ||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | ||
02111-1307 USA. */ | ||
|
||
#include <locale.h> | ||
#include <stdlib.h> | ||
#include <wcsmbs/wcsmbsload.h> | ||
|
||
|
||
extern mbstate_t __no_r_state attribute_hidden; /* Defined in mbtowc.c. */ | ||
|
||
|
||
int | ||
__wctomb_chk (char *s, wchar_t wchar, size_t buflen) | ||
{ | ||
/* We do not have to implement the full wctomb semantics since we | ||
know that S cannot be NULL when we come here. */ | ||
if (buflen < MB_CUR_MAX) | ||
__chk_fail (); | ||
|
||
return __wcrtomb (s, wchar, &__no_r_state); | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1 @@ | ||
#include <stdlib/bits/stdlib.h> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,75 @@ | ||
/* Checking macros for stdlib functions. | ||
Copyright (C) 2005 Free Software Foundation, Inc. | ||
This file is part of the GNU C Library. | ||
The GNU C Library is free software; you can redistribute it and/or | ||
modify it under the terms of the GNU Lesser General Public | ||
License as published by the Free Software Foundation; either | ||
version 2.1 of the License, or (at your option) any later version. | ||
The GNU C Library is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
Lesser General Public License for more details. | ||
You should have received a copy of the GNU Lesser General Public | ||
License along with the GNU C Library; if not, write to the Free | ||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | ||
02111-1307 USA. */ | ||
|
||
#ifndef _STDLIB_H | ||
# error "Never include <bits/stdlib.h> directly; use <stdlib.h> instead." | ||
#endif | ||
|
||
extern char *__realpath_chk (__const char *__restrict __name, | ||
char *__restrict __resolved, | ||
size_t __resolvedlen) __THROW __wur; | ||
extern char *__REDIRECT (__realpath_alias, (__const char *__restrict __name, | ||
char *__restrict __resolved), | ||
realpath) __THROW __wur; | ||
|
||
extern __always_inline __wur char * | ||
realpath (const char *__name, char *__resolved) | ||
{ | ||
if (__bos (__resolved) != (size_t) -1) | ||
return __realpath_chk (__name, __resolved, __bos (__resolved)); | ||
|
||
return __realpath_alias (__name, __resolved); | ||
} | ||
|
||
|
||
extern int __ptsname_r_chk (int __fd, char *__buf, size_t __buflen, | ||
size_t __nreal) __THROW __nonnull ((2)); | ||
extern int __REDIRECT (__ptsname_r_alias, (int __fd, char *__buf, | ||
size_t __buflen), ptsname_r) | ||
__THROW __nonnull ((2)); | ||
|
||
extern __always_inline int | ||
ptsname_r (int __fd, char *__buf, size_t __buflen) | ||
{ | ||
if (__bos (__buf) != (size_t) -1 | ||
&& (!__builtin_constant_p (__buflen) || __buflen > __bos (__buf))) | ||
return __ptsname_r_chk (__fd, __buf, __buflen, __bos (__buf)); | ||
return __ptsname_r_alias (__fd, __buf, __buflen); | ||
} | ||
|
||
|
||
extern int __wctomb_chk (char *__s, wchar_t __wchar, size_t __buflen) | ||
__THROW __wur; | ||
extern int __REDIRECT (__wctomb_alias, (char *__s, wchar_t __wchar), wctomb) | ||
__THROW __wur; | ||
|
||
extern __always_inline __wur int | ||
wctomb (char *__s, wchar_t __wchar) | ||
{ | ||
/* We would have to include <limits.h> to get a definition of MB_LEN_MAX. | ||
But this would only disturb the namespace. So we define our own | ||
version here. */ | ||
#define __STDLIB_MB_LEN_MAX 16 | ||
#if defined MB_LEN_MAX && MB_LEN_MAX != __STDLIB_MB_LEN_MAX | ||
# error "Assumed value of MB_LEN_MAX wrong" | ||
#endif | ||
if (__bos (__s) != (size_t) -1 && __STDLIB_MB_LEN_MAX > __bos (__s)) | ||
return __wctomb_chk (__s, __wchar, __bos (__s)); | ||
return __wctomb_alias (__s, __wchar); | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters