diff options
Diffstat (limited to 'REORG.TODO/libio/bits/stdio2.h')
| -rw-r--r-- | REORG.TODO/libio/bits/stdio2.h | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/REORG.TODO/libio/bits/stdio2.h b/REORG.TODO/libio/bits/stdio2.h new file mode 100644 index 0000000000..e9f9d6952b --- /dev/null +++ b/REORG.TODO/libio/bits/stdio2.h @@ -0,0 +1,381 @@ +/* Checking macros for stdio functions. + Copyright (C) 2004-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _STDIO_H +# error "Never include <bits/stdio2.h> directly; use <stdio.h> instead." +#endif + +extern int __sprintf_chk (char *__restrict __s, int __flag, size_t __slen, + const char *__restrict __format, ...) __THROW; +extern int __vsprintf_chk (char *__restrict __s, int __flag, size_t __slen, + const char *__restrict __format, + _G_va_list __ap) __THROW; + +#ifdef __va_arg_pack +__fortify_function int +__NTH (sprintf (char *__restrict __s, const char *__restrict __fmt, ...)) +{ + return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1, + __bos (__s), __fmt, __va_arg_pack ()); +} +#elif !defined __cplusplus +# define sprintf(str, ...) \ + __builtin___sprintf_chk (str, __USE_FORTIFY_LEVEL - 1, __bos (str), \ + __VA_ARGS__) +#endif + +__fortify_function int +__NTH (vsprintf (char *__restrict __s, const char *__restrict __fmt, + _G_va_list __ap)) +{ + return __builtin___vsprintf_chk (__s, __USE_FORTIFY_LEVEL - 1, + __bos (__s), __fmt, __ap); +} + +#if defined __USE_ISOC99 || defined __USE_UNIX98 + +extern int __snprintf_chk (char *__restrict __s, size_t __n, int __flag, + size_t __slen, const char *__restrict __format, + ...) __THROW; +extern int __vsnprintf_chk (char *__restrict __s, size_t __n, int __flag, + size_t __slen, const char *__restrict __format, + _G_va_list __ap) __THROW; + +# ifdef __va_arg_pack +__fortify_function int +__NTH (snprintf (char *__restrict __s, size_t __n, + const char *__restrict __fmt, ...)) +{ + return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, + __bos (__s), __fmt, __va_arg_pack ()); +} +# elif !defined __cplusplus +# define snprintf(str, len, ...) \ + __builtin___snprintf_chk (str, len, __USE_FORTIFY_LEVEL - 1, __bos (str), \ + __VA_ARGS__) +# endif + +__fortify_function int +__NTH (vsnprintf (char *__restrict __s, size_t __n, + const char *__restrict __fmt, _G_va_list __ap)) +{ + return __builtin___vsnprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, + __bos (__s), __fmt, __ap); +} + +#endif + +#if __USE_FORTIFY_LEVEL > 1 + +extern int __fprintf_chk (FILE *__restrict __stream, int __flag, + const char *__restrict __format, ...); +extern int __printf_chk (int __flag, const char *__restrict __format, ...); +extern int __vfprintf_chk (FILE *__restrict __stream, int __flag, + const char *__restrict __format, _G_va_list __ap); +extern int __vprintf_chk (int __flag, const char *__restrict __format, + _G_va_list __ap); + +# ifdef __va_arg_pack +__fortify_function int +fprintf (FILE *__restrict __stream, const char *__restrict __fmt, ...) +{ + return __fprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, + __va_arg_pack ()); +} + +__fortify_function int +printf (const char *__restrict __fmt, ...) +{ + return __printf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __va_arg_pack ()); +} +# elif !defined __cplusplus +# define printf(...) \ + __printf_chk (__USE_FORTIFY_LEVEL - 1, __VA_ARGS__) +# define fprintf(stream, ...) \ + __fprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__) +# endif + +__fortify_function int +vprintf (const char *__restrict __fmt, _G_va_list __ap) +{ +#ifdef __USE_EXTERN_INLINES + return __vfprintf_chk (stdout, __USE_FORTIFY_LEVEL - 1, __fmt, __ap); +#else + return __vprintf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __ap); +#endif +} + +__fortify_function int +vfprintf (FILE *__restrict __stream, + const char *__restrict __fmt, _G_va_list __ap) +{ + return __vfprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, __ap); +} + +# ifdef __USE_XOPEN2K8 +extern int __dprintf_chk (int __fd, int __flag, const char *__restrict __fmt, + ...) __attribute__ ((__format__ (__printf__, 3, 4))); +extern int __vdprintf_chk (int __fd, int __flag, + const char *__restrict __fmt, _G_va_list __arg) + __attribute__ ((__format__ (__printf__, 3, 0))); + +# ifdef __va_arg_pack +__fortify_function int +dprintf (int __fd, const char *__restrict __fmt, ...) +{ + return __dprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt, + __va_arg_pack ()); +} +# elif !defined __cplusplus +# define dprintf(fd, ...) \ + __dprintf_chk (fd, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__) +# endif + +__fortify_function int +vdprintf (int __fd, const char *__restrict __fmt, _G_va_list __ap) +{ + return __vdprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt, __ap); +} +# endif + +# ifdef __USE_GNU + +extern int __asprintf_chk (char **__restrict __ptr, int __flag, + const char *__restrict __fmt, ...) + __THROW __attribute__ ((__format__ (__printf__, 3, 4))) __wur; +extern int __vasprintf_chk (char **__restrict __ptr, int __flag, + const char *__restrict __fmt, _G_va_list __arg) + __THROW __attribute__ ((__format__ (__printf__, 3, 0))) __wur; +extern int __obstack_printf_chk (struct obstack *__restrict __obstack, + int __flag, const char *__restrict __format, + ...) + __THROW __attribute__ ((__format__ (__printf__, 3, 4))); +extern int __obstack_vprintf_chk (struct obstack *__restrict __obstack, + int __flag, + const char *__restrict __format, + _G_va_list __args) + __THROW __attribute__ ((__format__ (__printf__, 3, 0))); + +# ifdef __va_arg_pack +__fortify_function int +__NTH (asprintf (char **__restrict __ptr, const char *__restrict __fmt, ...)) +{ + return __asprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt, + __va_arg_pack ()); +} + +__fortify_function int +__NTH (__asprintf (char **__restrict __ptr, const char *__restrict __fmt, + ...)) +{ + return __asprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt, + __va_arg_pack ()); +} + +__fortify_function int +__NTH (obstack_printf (struct obstack *__restrict __obstack, + const char *__restrict __fmt, ...)) +{ + return __obstack_printf_chk (__obstack, __USE_FORTIFY_LEVEL - 1, __fmt, + __va_arg_pack ()); +} +# elif !defined __cplusplus +# define asprintf(ptr, ...) \ + __asprintf_chk (ptr, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__) +# define __asprintf(ptr, ...) \ + __asprintf_chk (ptr, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__) +# define obstack_printf(obstack, ...) \ + __obstack_printf_chk (obstack, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__) +# endif + +__fortify_function int +__NTH (vasprintf (char **__restrict __ptr, const char *__restrict __fmt, + _G_va_list __ap)) +{ + return __vasprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt, __ap); +} + +__fortify_function int +__NTH (obstack_vprintf (struct obstack *__restrict __obstack, + const char *__restrict __fmt, _G_va_list __ap)) +{ + return __obstack_vprintf_chk (__obstack, __USE_FORTIFY_LEVEL - 1, __fmt, + __ap); +} + +# endif + +#endif + +#if __GLIBC_USE (DEPRECATED_GETS) +extern char *__gets_chk (char *__str, size_t) __wur; +extern char *__REDIRECT (__gets_warn, (char *__str), gets) + __wur __warnattr ("please use fgets or getline instead, gets can't " + "specify buffer size"); + +__fortify_function __wur char * +gets (char *__str) +{ + if (__bos (__str) != (size_t) -1) + return __gets_chk (__str, __bos (__str)); + return __gets_warn (__str); +} +#endif + +extern char *__fgets_chk (char *__restrict __s, size_t __size, int __n, + FILE *__restrict __stream) __wur; +extern char *__REDIRECT (__fgets_alias, + (char *__restrict __s, int __n, + FILE *__restrict __stream), fgets) __wur; +extern char *__REDIRECT (__fgets_chk_warn, + (char *__restrict __s, size_t __size, int __n, + FILE *__restrict __stream), __fgets_chk) + __wur __warnattr ("fgets called with bigger size than length " + "of destination buffer"); + +__fortify_function __wur char * +fgets (char *__restrict __s, int __n, FILE *__restrict __stream) +{ + if (__bos (__s) != (size_t) -1) + { + if (!__builtin_constant_p (__n) || __n <= 0) + return __fgets_chk (__s, __bos (__s), __n, __stream); + + if ((size_t) __n > __bos (__s)) + return __fgets_chk_warn (__s, __bos (__s), __n, __stream); + } + return __fgets_alias (__s, __n, __stream); +} + +extern size_t __fread_chk (void *__restrict __ptr, size_t __ptrlen, + size_t __size, size_t __n, + FILE *__restrict __stream) __wur; +extern size_t __REDIRECT (__fread_alias, + (void *__restrict __ptr, size_t __size, + size_t __n, FILE *__restrict __stream), + fread) __wur; +extern size_t __REDIRECT (__fread_chk_warn, + (void *__restrict __ptr, size_t __ptrlen, + size_t __size, size_t __n, + FILE *__restrict __stream), + __fread_chk) + __wur __warnattr ("fread called with bigger size * nmemb than length " + "of destination buffer"); + +__fortify_function __wur size_t +fread (void *__restrict __ptr, size_t __size, size_t __n, + FILE *__restrict __stream) +{ + if (__bos0 (__ptr) != (size_t) -1) + { + if (!__builtin_constant_p (__size) + || !__builtin_constant_p (__n) + || (__size | __n) >= (((size_t) 1) << (8 * sizeof (size_t) / 2))) + return __fread_chk (__ptr, __bos0 (__ptr), __size, __n, __stream); + + if (__size * __n > __bos0 (__ptr)) + return __fread_chk_warn (__ptr, __bos0 (__ptr), __size, __n, __stream); + } + return __fread_alias (__ptr, __size, __n, __stream); +} + +#ifdef __USE_GNU +extern char *__fgets_unlocked_chk (char *__restrict __s, size_t __size, + int __n, FILE *__restrict __stream) __wur; +extern char *__REDIRECT (__fgets_unlocked_alias, + (char *__restrict __s, int __n, + FILE *__restrict __stream), fgets_unlocked) __wur; +extern char *__REDIRECT (__fgets_unlocked_chk_warn, + (char *__restrict __s, size_t __size, int __n, + FILE *__restrict __stream), __fgets_unlocked_chk) + __wur __warnattr ("fgets_unlocked called with bigger size than length " + "of destination buffer"); + +__fortify_function __wur char * +fgets_unlocked (char *__restrict __s, int __n, FILE *__restrict __stream) +{ + if (__bos (__s) != (size_t) -1) + { + if (!__builtin_constant_p (__n) || __n <= 0) + return __fgets_unlocked_chk (__s, __bos (__s), __n, __stream); + + if ((size_t) __n > __bos (__s)) + return __fgets_unlocked_chk_warn (__s, __bos (__s), __n, __stream); + } + return __fgets_unlocked_alias (__s, __n, __stream); +} +#endif + +#ifdef __USE_MISC +# undef fread_unlocked +extern size_t __fread_unlocked_chk (void *__restrict __ptr, size_t __ptrlen, + size_t __size, size_t __n, + FILE *__restrict __stream) __wur; +extern size_t __REDIRECT (__fread_unlocked_alias, + (void *__restrict __ptr, size_t __size, + size_t __n, FILE *__restrict __stream), + fread_unlocked) __wur; +extern size_t __REDIRECT (__fread_unlocked_chk_warn, + (void *__restrict __ptr, size_t __ptrlen, + size_t __size, size_t __n, + FILE *__restrict __stream), + __fread_unlocked_chk) + __wur __warnattr ("fread_unlocked called with bigger size * nmemb than " + "length of destination buffer"); + +__fortify_function __wur size_t +fread_unlocked (void *__restrict __ptr, size_t __size, size_t __n, + FILE *__restrict __stream) +{ + if (__bos0 (__ptr) != (size_t) -1) + { + if (!__builtin_constant_p (__size) + || !__builtin_constant_p (__n) + || (__size | __n) >= (((size_t) 1) << (8 * sizeof (size_t) / 2))) + return __fread_unlocked_chk (__ptr, __bos0 (__ptr), __size, __n, + __stream); + + if (__size * __n > __bos0 (__ptr)) + return __fread_unlocked_chk_warn (__ptr, __bos0 (__ptr), __size, __n, + __stream); + } + +# ifdef __USE_EXTERN_INLINES + if (__builtin_constant_p (__size) + && __builtin_constant_p (__n) + && (__size | __n) < (((size_t) 1) << (8 * sizeof (size_t) / 2)) + && __size * __n <= 8) + { + size_t __cnt = __size * __n; + char *__cptr = (char *) __ptr; + if (__cnt == 0) + return 0; + + for (; __cnt > 0; --__cnt) + { + int __c = _IO_getc_unlocked (__stream); + if (__c == EOF) + break; + *__cptr++ = __c; + } + return (__cptr - (char *) __ptr) / __size; + } +# endif + return __fread_unlocked_alias (__ptr, __size, __n, __stream); +} +#endif |