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| author | Yaakov Selkowitz <yselkowi@redhat.com> | 2017-11-29 21:17:09 -0600 |
|---|---|---|
| committer | Yaakov Selkowitz <yselkowi@redhat.com> | 2017-11-30 12:09:03 -0600 |
| commit | 1e43e181c2b4d135e2407b8df1e58ea5c1a9bb82 (patch) | |
| tree | 837078a0336cc39f5a8b09a63381131768ac2ffe | |
| parent | 0fd2c9bd1290c84d2160191d105147bf75629411 (diff) | |
| download | cygnal-1e43e181c2b4d135e2407b8df1e58ea5c1a9bb82.tar.gz cygnal-1e43e181c2b4d135e2407b8df1e58ea5c1a9bb82.tar.bz2 cygnal-1e43e181c2b4d135e2407b8df1e58ea5c1a9bb82.zip | |
ssp: add Object Size Checking for stdlib.h
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
| -rw-r--r-- | newlib/libc/include/ssp/stdlib.h | 30 | ||||
| -rw-r--r-- | newlib/libc/include/stdlib.h | 4 | ||||
| -rw-r--r-- | newlib/libc/ssp/ssp.tex | 4 |
3 files changed, 38 insertions, 0 deletions
diff --git a/newlib/libc/include/ssp/stdlib.h b/newlib/libc/include/ssp/stdlib.h new file mode 100644 index 000000000..d5edb6d09 --- /dev/null +++ b/newlib/libc/include/ssp/stdlib.h @@ -0,0 +1,30 @@ +#ifndef _SSP_STDLIB_H_ +#define _SSP_STDLIB_H_ + +#include <ssp/ssp.h> + +#if __SSP_FORTIFY_LEVEL > 0 +__BEGIN_DECLS + +__ssp_decl(size_t, mbstowcs, (wchar_t *__buf, const char *__src, size_t __n)) +{ + if (__buf != NULL) + __ssp_check(__buf, __n * sizeof(wchar_t), __ssp_bos); + return __ssp_real_mbstowcs (__buf, __src, __n); +} + +__ssp_redirect_raw(size_t, wcstombs, \ + (char *__buf, const wchar_t *__src, size_t __len), \ + (__buf, __src, __len), __buf != NULL, __ssp_bos); + +__ssp_decl(int, wctomb, (char *__buf, wchar_t __wc)) +{ + if (__buf != NULL) + __ssp_check(__buf, MB_CUR_MAX, __ssp_bos); + return __ssp_real_wctomb (__buf, __wc); +} + +__END_DECLS + +#endif /* __SSP_FORTIFY_LEVEL > 0 */ +#endif /* _SSP_STDLIB_H_ */ diff --git a/newlib/libc/include/stdlib.h b/newlib/libc/include/stdlib.h index af5bfecf1..c3c591d20 100644 --- a/newlib/libc/include/stdlib.h +++ b/newlib/libc/include/stdlib.h @@ -334,4 +334,8 @@ _Noreturn void _END_STD_C +#if __SSP_FORTIFY_LEVEL > 0 +#include <ssp/stdlib.h> +#endif + #endif /* _STDLIB_H_ */ diff --git a/newlib/libc/ssp/ssp.tex b/newlib/libc/ssp/ssp.tex index f8440bdf9..b30ecf159 100644 --- a/newlib/libc/ssp/ssp.tex +++ b/newlib/libc/ssp/ssp.tex @@ -39,6 +39,10 @@ fgets fread_unlocked sprintf fgets_unlocked gets vsnprintf fread snprintf vsprintf +@exdent @emph{Stdlib functions:} +mbstowcs wcstombs wctomb + @exdent @emph{System functions:} getcwd read readlink + @end example |