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| author | Ulrich Drepper <drepper@gmail.com> | 2011-09-08 19:48:47 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-09-08 19:48:47 -0400 |
| commit | a0f33f996f7986dbf37631a4577f8565b42df29e (patch) | |
| tree | 78c71a736d4bd75009abba7796f0e0aca78e47ec /debug/tst-chk1.c | |
| parent | 762011fe9ffded81448be4dc50a2b27faaafe4c9 (diff) | |
| download | glibc-a0f33f996f7986dbf37631a4577f8565b42df29e.tar.gz glibc-a0f33f996f7986dbf37631a4577f8565b42df29e.tar.xz glibc-a0f33f996f7986dbf37631a4577f8565b42df29e.zip | |
Add range checking for FD_SET, FD_CLR, and FD_ISSET
Diffstat (limited to 'debug/tst-chk1.c')
| -rw-r--r-- | debug/tst-chk1.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/debug/tst-chk1.c b/debug/tst-chk1.c index e03f3dba6d..0ec8ab07d9 100644 --- a/debug/tst-chk1.c +++ b/debug/tst-chk1.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. +/* Copyright (C) 2004,2005,2006,2007,2008,2011 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. @@ -29,6 +29,7 @@ #include <string.h> #include <unistd.h> #include <wchar.h> +#include <sys/select.h> #include <sys/socket.h> #include <sys/un.h> @@ -107,11 +108,11 @@ int num2 = 987654; FAIL (); \ } #if __USE_FORTIFY_LEVEL >= 2 && (!defined __cplusplus || defined __va_arg_pack) -#define CHK_FAIL2_START CHK_FAIL_START -#define CHK_FAIL2_END CHK_FAIL_END +# define CHK_FAIL2_START CHK_FAIL_START +# define CHK_FAIL2_END CHK_FAIL_END #else -#define CHK_FAIL2_START -#define CHK_FAIL2_END +# define CHK_FAIL2_START +# define CHK_FAIL2_END #endif static int @@ -1448,5 +1449,26 @@ do_test (void) CHK_FAIL_END #endif + fd_set s; + FD_ZERO (&s); + FD_SET (FD_SETSIZE - 1, &s); +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + FD_SET (FD_SETSIZE, &s); + CHK_FAIL_END +#endif + FD_CLR (FD_SETSIZE - 1, &s); +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + FD_CLR (FD_SETSIZE, &s); + CHK_FAIL_END +#endif + FD_ISSET (FD_SETSIZE - 1, &s); +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + FD_ISSET (FD_SETSIZE, &s); + CHK_FAIL_END +#endif + return ret; } |