diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/string.h | 167 | ||||
| -rw-r--r-- | include/sys/cdefs.h | 78 | ||||
| -rw-r--r-- | include/sys/sysmacros.h | 20 |
3 files changed, 176 insertions, 89 deletions
diff --git a/include/string.h b/include/string.h index 35e98a805..880290287 100644 --- a/include/string.h +++ b/include/string.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-1993, 1995-2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 1991-1993, 1995-2003, 2004 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 @@ -36,11 +36,12 @@ __BEGIN_DECLS __BEGIN_NAMESPACE_STD /* Copy N bytes of SRC to DEST. */ extern void *memcpy (void *__restrict __dest, - __const void *__restrict __src, size_t __n) __THROW; + __const void *__restrict __src, size_t __n) + __THROW __nonnull ((1, 2)); /* Copy N bytes of SRC to DEST, guaranteeing correct behavior for overlapping strings. */ extern void *memmove (void *__dest, __const void *__src, size_t __n) - __THROW; + __THROW __nonnull ((1, 2)); __END_NAMESPACE_STD /* Copy no more than N bytes of SRC to DEST, stopping when C is found. @@ -49,62 +50,65 @@ __END_NAMESPACE_STD #if defined __USE_SVID || defined __USE_BSD || defined __USE_XOPEN extern void *memccpy (void *__restrict __dest, __const void *__restrict __src, int __c, size_t __n) - __THROW; + __THROW __nonnull ((1, 2)); #endif /* SVID. */ __BEGIN_NAMESPACE_STD /* Set N bytes of S to C. */ -extern void *memset (void *__s, int __c, size_t __n) __THROW; +extern void *memset (void *__s, int __c, size_t __n) __THROW __nonnull ((1)); /* Compare N bytes of S1 and S2. */ extern int memcmp (__const void *__s1, __const void *__s2, size_t __n) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Search N bytes of S for C. */ extern void *memchr (__const void *__s, int __c, size_t __n) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1)); __END_NAMESPACE_STD #ifdef __USE_GNU /* Search in S for C. This is similar to `memchr' but there is no length limit. */ -extern void *rawmemchr (__const void *__s, int __c) __THROW __attribute_pure__; +extern void *rawmemchr (__const void *__s, int __c) + __THROW __attribute_pure__ __nonnull ((1)); /* Search N bytes of S for the final occurrence of C. */ extern void *memrchr (__const void *__s, int __c, size_t __n) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1)); #endif __BEGIN_NAMESPACE_STD /* Copy SRC to DEST. */ extern char *strcpy (char *__restrict __dest, __const char *__restrict __src) - __THROW; + __THROW __nonnull ((1, 2)); /* Copy no more than N characters of SRC to DEST. */ extern char *strncpy (char *__restrict __dest, - __const char *__restrict __src, size_t __n) __THROW; + __const char *__restrict __src, size_t __n) + __THROW __nonnull ((1, 2)); /* Append SRC onto DEST. */ extern char *strcat (char *__restrict __dest, __const char *__restrict __src) - __THROW; + __THROW __nonnull ((1, 2)); /* Append no more than N characters from SRC onto DEST. */ extern char *strncat (char *__restrict __dest, __const char *__restrict __src, - size_t __n) __THROW; + size_t __n) __THROW __nonnull ((1, 2)); /* Compare S1 and S2. */ extern int strcmp (__const char *__s1, __const char *__s2) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Compare N characters of S1 and S2. */ extern int strncmp (__const char *__s1, __const char *__s2, size_t __n) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Compare the collated forms of S1 and S2. */ extern int strcoll (__const char *__s1, __const char *__s2) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Put a transformation of SRC into no more than N bytes of DEST. */ extern size_t strxfrm (char *__restrict __dest, - __const char *__restrict __src, size_t __n) __THROW; + __const char *__restrict __src, size_t __n) + __THROW __nonnull ((2)); __END_NAMESPACE_STD #ifdef __UCLIBC_HAS_XLOCALE__ @@ -116,22 +120,23 @@ __END_NAMESPACE_STD /* Compare the collated forms of S1 and S2 using rules from L. */ extern int strcoll_l (__const char *__s1, __const char *__s2, __locale_t __l) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2, 3)); extern int __strcoll_l (__const char *__s1, __const char *__s2, __locale_t __l) __THROW __attribute_pure__; /* Put a transformation of SRC into no more than N bytes of DEST. */ extern size_t strxfrm_l (char *__dest, __const char *__src, size_t __n, - __locale_t __l) __THROW; + __locale_t __l) __THROW __nonnull ((2, 4)); extern size_t __strxfrm_l (char *__dest, __const char *__src, size_t __n, __locale_t __l) __THROW; #endif -#endif +#endif /* __UCLIBC_HAS_XLOCALE__ */ #if defined __USE_SVID || defined __USE_BSD || defined __USE_XOPEN_EXTENDED /* Duplicate S, returning an identical malloc'd string. */ -extern char *strdup (__const char *__s) __THROW __attribute_malloc__; +extern char *strdup (__const char *__s) + __THROW __attribute_malloc__ __nonnull ((1)); #endif /* Return a malloc'd copy of at most N bytes of STRING. The @@ -139,7 +144,7 @@ extern char *strdup (__const char *__s) __THROW __attribute_malloc__; appears before STRING[N]. */ #if defined __USE_GNU extern char *strndup (__const char *__string, size_t __n) - __THROW __attribute_malloc__; + __THROW __attribute_malloc__ __nonnull ((1)); #endif #if defined __USE_GNU && defined __GNUC__ @@ -167,53 +172,58 @@ extern char *strndup (__const char *__string, size_t __n) __BEGIN_NAMESPACE_STD /* Find the first occurrence of C in S. */ -extern char *strchr (__const char *__s, int __c) __THROW __attribute_pure__; +extern char *strchr (__const char *__s, int __c) + __THROW __attribute_pure__ __nonnull ((1)); /* Find the last occurrence of C in S. */ -extern char *strrchr (__const char *__s, int __c) __THROW __attribute_pure__; +extern char *strrchr (__const char *__s, int __c) + __THROW __attribute_pure__ __nonnull ((1)); __END_NAMESPACE_STD #ifdef __USE_GNU /* This function is similar to `strchr'. But it returns a pointer to the closing NUL byte in case C is not found in S. */ -extern char *strchrnul (__const char *__s, int __c) __THROW __attribute_pure__; +extern char *strchrnul (__const char *__s, int __c) + __THROW __attribute_pure__ __nonnull ((1)); #endif __BEGIN_NAMESPACE_STD /* Return the length of the initial segment of S which consists entirely of characters not in REJECT. */ extern size_t strcspn (__const char *__s, __const char *__reject) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Return the length of the initial segment of S which consists entirely of characters in ACCEPT. */ extern size_t strspn (__const char *__s, __const char *__accept) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Find the first occurrence in S of any character in ACCEPT. */ extern char *strpbrk (__const char *__s, __const char *__accept) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Find the first occurrence of NEEDLE in HAYSTACK. */ extern char *strstr (__const char *__haystack, __const char *__needle) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Divide S into tokens separated by characters in DELIM. */ extern char *strtok (char *__restrict __s, __const char *__restrict __delim) - __THROW; + __THROW __nonnull ((2)); __END_NAMESPACE_STD /* Divide S into tokens separated by characters in DELIM. Information passed between calls are stored in SAVE_PTR. */ extern char *__strtok_r (char *__restrict __s, __const char *__restrict __delim, - char **__restrict __save_ptr) __THROW; + char **__restrict __save_ptr) + __THROW __nonnull ((2, 3)); #if defined __USE_POSIX || defined __USE_MISC extern char *strtok_r (char *__restrict __s, __const char *__restrict __delim, - char **__restrict __save_ptr) __THROW; + char **__restrict __save_ptr) + __THROW __nonnull ((2, 3)); #endif #ifdef __USE_GNU /* Similar to `strstr' but this function ignores the case of both strings. */ extern char *strcasestr (__const char *__haystack, __const char *__needle) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); #endif #ifdef __USE_GNU @@ -222,27 +232,30 @@ extern char *strcasestr (__const char *__haystack, __const char *__needle) HAYSTACK is HAYSTACKLEN bytes long. */ extern void *memmem (__const void *__haystack, size_t __haystacklen, __const void *__needle, size_t __needlelen) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 3)); /* Copy N bytes of SRC to DEST, return pointer to bytes after the last written byte. */ extern void *__mempcpy (void *__restrict __dest, - __const void *__restrict __src, size_t __n) __THROW; + __const void *__restrict __src, size_t __n) + __THROW __nonnull ((1, 2)); extern void *mempcpy (void *__restrict __dest, - __const void *__restrict __src, size_t __n) __THROW; + __const void *__restrict __src, size_t __n) + __THROW __nonnull ((1, 2)); #endif __BEGIN_NAMESPACE_STD /* Return the length of S. */ -extern size_t strlen (__const char *__s) __THROW __attribute_pure__; +extern size_t strlen (__const char *__s) + __THROW __attribute_pure__ __nonnull ((1)); __END_NAMESPACE_STD #ifdef __USE_GNU /* Find the length of STRING, but scan at most MAXLEN characters. If no '\0' terminator is found in that many characters, return MAXLEN. */ extern size_t strnlen (__const char *__string, size_t __maxlen) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1)); #endif @@ -260,45 +273,48 @@ __END_NAMESPACE_STD extern char *_glibc_strerror_r (int __errnum, char *__buf, size_t __buflen) __THROW; extern int _susv3_strerror_r (int __errnum, char *__buf, size_t buflen) __THROW; -#if defined(__USE_XOPEN2K) && !defined(__USE_GNU) -# ifdef __REDIRECT +# if defined(__USE_XOPEN2K) && !defined(__USE_GNU) +# ifdef __REDIRECT extern int __REDIRECT (strerror_r, - (int __errnum, char *__buf, size_t buflen) __THROW, - _susv3_strerror_r); + (int __errnum, char *__buf, size_t buflen) __THROW, + _susv3_strerror_r); +# else +# define strerror_r __xpg_strerror_r +# endif # else -# define strerror_r _susv3_strerror_r -# endif -#else /* defined(__USE_XOPEN2K) && !defined(__USE_GNU) */ -# ifdef __REDIRECT +# ifdef __REDIRECT extern char *__REDIRECT (strerror_r, - (int __errnum, char *__buf, size_t buflen) __THROW, - _glibc_strerror_r); -# else -# define strerror_r _glibc_strerror_r -# endif -#endif /* defined(__USE_XOPEN2K) && !defined(__USE_GNU) */ + (int __errnum, char *__buf, size_t buflen) __THROW, + _glibc_strerror_r); +# else +# define strerror_r _glibc_strerror_r +# endif +# endif /* defined(__USE_XOPEN2K) && !defined(__USE_GNU) */ #endif /* We define this function always since `bzero' is sometimes needed when the namespace rules does not allow this. */ -extern void __bzero (void *__s, size_t __n) __THROW; +extern void __bzero (void *__s, size_t __n) __THROW __nonnull ((1)); #ifdef __USE_BSD /* Copy N bytes of SRC to DEST (like memmove, but args reversed). */ -extern void bcopy (__const void *__src, void *__dest, size_t __n) __THROW; +extern void bcopy (__const void *__src, void *__dest, size_t __n) + __THROW __nonnull ((1, 2)); /* Set N bytes of S to 0. */ -extern void bzero (void *__s, size_t __n) __THROW; +extern void bzero (void *__s, size_t __n) __THROW __nonnull ((1)); /* Compare N bytes of S1 and S2 (same as memcmp). */ extern int bcmp (__const void *__s1, __const void *__s2, size_t __n) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Find the first occurrence of C in S (same as strchr). */ -extern char *index (__const char *__s, int __c) __THROW __attribute_pure__; +extern char *index (__const char *__s, int __c) + __THROW __attribute_pure__ __nonnull ((1)); /* Find the last occurrence of C in S (same as strrchr). */ -extern char *rindex (__const char *__s, int __c) __THROW __attribute_pure__; +extern char *rindex (__const char *__s, int __c) + __THROW __attribute_pure__ __nonnull ((1)); /* Return the position of the first bit set in I, or 0 if none are set. The least-significant bit is position 1, the most-significant 32. */ @@ -316,11 +332,11 @@ __extension__ extern int ffsll (long long int __ll) /* Compare S1 and S2, ignoring case. */ extern int strcasecmp (__const char *__s1, __const char *__s2) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Compare no more than N chars of S1 and S2, ignoring case. */ extern int strncasecmp (__const char *__s1, __const char *__s2, size_t __n) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); #endif /* Use BSD. */ #ifdef __UCLIBC_HAS_XLOCALE__ @@ -328,50 +344,63 @@ extern int strncasecmp (__const char *__s1, __const char *__s2, size_t __n) /* Again versions of a few functions which use the given locale instead of the global one. */ extern int strcasecmp_l (__const char *__s1, __const char *__s2, - __locale_t __loc) __THROW __attribute_pure__; + __locale_t __loc) + __THROW __attribute_pure__ __nonnull ((1, 2, 3)); extern int __strcasecmp_l (__const char *__s1, __const char *__s2, __locale_t __loc) __THROW __attribute_pure__; extern int strncasecmp_l (__const char *__s1, __const char *__s2, size_t __n, __locale_t __loc) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2, 4)); extern int __strncasecmp_l (__const char *__s1, __const char *__s2, size_t __n, __locale_t __loc) __THROW __attribute_pure__; #endif -#endif +#endif /* __UCLIBC_HAS_XLOCALE__ */ #ifdef __USE_BSD /* Return the next DELIM-delimited token from *STRINGP, terminating it with a '\0', and update *STRINGP to point past it. */ extern char *strsep (char **__restrict __stringp, - __const char *__restrict __delim) __THROW; + __const char *__restrict __delim) + __THROW __nonnull ((1, 2)); #endif #ifdef __USE_GNU +/* Compare S1 and S2 as strings holding name & indices/version numbers. */ +extern int strverscmp (__const char *__s1, __const char *__s2) + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Return a string describing the meaning of the signal number in SIG. */ extern char *strsignal (int __sig) __THROW; /* Copy SRC to DEST, returning the address of the terminating '\0' in DEST. */ extern char *__stpcpy (char *__restrict __dest, __const char *__restrict __src) - __THROW; + __THROW __nonnull ((1, 2)); extern char *stpcpy (char *__restrict __dest, __const char *__restrict __src) - __THROW; + __THROW __nonnull ((1, 2)); /* Copy no more than N characters of SRC to DEST, returning the address of the last character written into DEST. */ extern char *__stpncpy (char *__restrict __dest, - __const char *__restrict __src, size_t __n) __THROW; + __const char *__restrict __src, size_t __n) + __THROW __nonnull ((1, 2)); extern char *stpncpy (char *__restrict __dest, - __const char *__restrict __src, size_t __n) __THROW; + __const char *__restrict __src, size_t __n) + __THROW __nonnull ((1, 2)); + +/* Sautee STRING briskly. */ +extern char *strfry (char *__string) __THROW __nonnull ((1)); + +/* Frobnicate N bytes of S. */ +extern void *memfrob (void *__s, size_t __n) __THROW __nonnull ((1)); # ifndef basename /* Return the file name within directory of FILENAME. We don't declare the function if the `basename' macro is available (defined in <libgen.h>) which makes the XPG version of this function available. */ -extern char *basename (__const char *__filename) __THROW; +extern char *basename (__const char *__filename) __THROW __nonnull ((1)); # endif #endif diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h index f370145f1..0a6d345bc 100644 --- a/include/sys/cdefs.h +++ b/include/sys/cdefs.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1992-2001, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1992-2001, 2002, 2004, 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 @@ -39,24 +39,28 @@ /* GCC can always grok prototypes. For C++ programs we add throw() to help it optimize the function calls. But this works only with - gcc 2.8.x and egcs. */ -# if defined __cplusplus && __GNUC_PREREQ (2,8) -# define __THROW throw () + gcc 2.8.x and egcs. For gcc 3.2 and up we even mark C functions + as non-throwing using a function attribute since programs can use + the -fexceptions options for C code as well. */ +# if 0 //!defined __cplusplus && __GNUC_PREREQ (3, 3) +# define __THROW __attribute__ ((__nothrow__)) +# define __NTH(fct) __attribute__ ((__nothrow__)) fct # else -# define __THROW +# if defined __cplusplus && __GNUC_PREREQ (2,8) +# define __THROW throw () +# define __NTH(fct) fct throw () +# else +# define __THROW +# define __NTH(fct) fct +# endif # endif -# define __P(args) args __THROW -/* This macro will be used for functions which might take C++ callback - functions. */ -# define __PMT(args) args #else /* Not GCC. */ # define __inline /* No inline functions. */ # define __THROW -# define __P(args) args -# define __PMT(args) args +# define __NTH(fct) fct # define __const const # define __signed signed @@ -64,6 +68,11 @@ #endif /* GCC. */ +/* These two macros are not used in glibc anymore. They are kept here + only because some other projects expect the macros to be defined. */ +#define __P(args) args +#define __PMT(args) args + /* For these things, GCC behaves the ANSI way normally, and the non-ANSI way under -traditional. */ @@ -118,6 +127,12 @@ #endif +/* Fortify support. */ +#define __bos(ptr) __builtin_object_size (ptr, __USE_FORTIFY_LEVEL > 1) +#define __bos0(ptr) __builtin_object_size (ptr, 0) +#define __warndecl(name, msg) extern void name (void) + + /* Support for flexible arrays. */ #if __GNUC_PREREQ (2,97) /* GCC 2.97 supports C99 flexible array members. */ @@ -150,6 +165,17 @@ # define __REDIRECT(name, proto, alias) name proto __asm__ (__ASMNAME (#alias)) # define __ASMNAME(cname) __C_SYMBOL_PREFIX__ cname +/* +# ifdef __cplusplus +# define __REDIRECT_NTH(name, proto, alias) \ + name proto __THROW __asm__ (__ASMNAME (#alias)) +# else +# define __REDIRECT_NTH(name, proto, alias) \ + name proto __asm__ (__ASMNAME (#alias)) __THROW +# endif +# define __ASMNAME(cname) __ASMNAME2 (__USER_LABEL_PREFIX__, cname) +# define __ASMNAME2(prefix, cname) __STRING (prefix) cname +*/ /* #elif __SOME_OTHER_COMPILER__ @@ -225,6 +251,36 @@ # define __attribute_format_strfmon__(a,b) /* Ignore */ #endif +/* The nonull function attribute allows to mark pointer parameters which + must not be NULL. */ +#if __GNUC_PREREQ (3,3) +# define __nonnull(params) __attribute__ ((__nonnull__ params)) +#else +# define __nonnull(params) +#endif + +/* If fortification mode, we warn about unused results of certain + function calls which can lead to problems. */ +#if __GNUC_PREREQ (3,4) +# define __attribute_warn_unused_result__ \ + __attribute__ ((__warn_unused_result__)) +# if __USE_FORTIFY_LEVEL > 0 +# define __wur __attribute_warn_unused_result__ +# endif +#else +# define __attribute_warn_unused_result__ /* empty */ +#endif +#ifndef __wur +# define __wur /* Ignore */ +#endif + +/* Forces a function to be always inlined. */ +#if __GNUC_PREREQ (3,2) +# define __always_inline __inline __attribute__ ((__always_inline__)) +#else +# define __always_inline __inline +#endif + /* It is possible to compile containing GCC extensions even if GCC is run in pedantic mode if the uses are carefully marked using the `__extension__' keyword. But this is not generally available before diff --git a/include/sys/sysmacros.h b/include/sys/sysmacros.h index 85dc3d281..c5efca4f9 100644 --- a/include/sys/sysmacros.h +++ b/include/sys/sysmacros.h @@ -1,5 +1,5 @@ /* Definitions of macros to access `dev_t' values. - Copyright (C) 1996, 1997, 1999, 2003 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1999, 2003, 2004 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 @@ -25,6 +25,7 @@ /* If the compiler does not know long long it is out of luck. We are not going to hack weird hacks to support the dev_t representation they need. */ +#if 1 /*def __GLIBC_HAVE_LONG_LONG uClibc note: always enable */ __extension__ static __inline unsigned int gnu_dev_major (unsigned long long int __dev) __THROW; @@ -36,32 +37,33 @@ static __inline unsigned long long int gnu_dev_makedev (unsigned int __major, unsigned int __minor) __THROW; -#if defined __GNUC__ && __GNUC__ >= 2 +# if defined __GNUC__ && __GNUC__ >= 2 __extension__ static __inline unsigned int -gnu_dev_major (unsigned long long int __dev) __THROW +__NTH (gnu_dev_major (unsigned long long int __dev)) { return ((__dev >> 8) & 0xfff) | ((unsigned int) (__dev >> 32) & ~0xfff); } __extension__ static __inline unsigned int -gnu_dev_minor (unsigned long long int __dev) __THROW +__NTH (gnu_dev_minor (unsigned long long int __dev)) { return (__dev & 0xff) | ((unsigned int) (__dev >> 12) & ~0xff); } __extension__ static __inline unsigned long long int -gnu_dev_makedev (unsigned int __major, unsigned int __minor) __THROW +__NTH (gnu_dev_makedev (unsigned int __major, unsigned int __minor)) { return ((__minor & 0xff) | ((__major & 0xfff) << 8) | (((unsigned long long int) (__minor & ~0xff)) << 12) | (((unsigned long long int) (__major & ~0xfff)) << 32)); } -#endif +# endif /* Access the functions with their traditional names. */ -#define major(dev) gnu_dev_major (dev) -#define minor(dev) gnu_dev_minor (dev) -#define makedev(maj, min) gnu_dev_makedev (maj, min) +# define major(dev) gnu_dev_major (dev) +# define minor(dev) gnu_dev_minor (dev) +# define makedev(maj, min) gnu_dev_makedev (maj, min) +#endif #endif /* sys/sysmacros.h */ |