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2004-09-22  Ulrich Drepper  <drepper@redhat.com>

	* string/string.h: Add __nonnull annotations.
	* stdlib/stdlib.h: Likewise.
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Ulrich Drepper
2004-09-22 08:20:57 +00:00
parent 4ff389feb3
commit be27d08c05
3 changed files with 200 additions and 138 deletions
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ChangeLog
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@ -1,3 +1,8 @@
2004-09-22 Ulrich Drepper <drepper@redhat.com>
* string/string.h: Add __nonnull annotations.
* stdlib/stdlib.h: Likewise.
2004-09-20 H.J. Lu <hongjiu.lu@intel.com> 2004-09-20 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/unix/sysv/linux/ia64/sysdep.h (DO_INLINE_SYSCALL): * sysdeps/unix/sysv/linux/ia64/sysdep.h (DO_INLINE_SYSCALL):

196
stdlib/stdlib.h
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@ -139,58 +139,64 @@ extern size_t __ctype_get_mb_cur_max (void) __THROW;
__BEGIN_NAMESPACE_STD __BEGIN_NAMESPACE_STD
/* Convert a string to a floating-point number. */ /* Convert a string to a floating-point number. */
extern double atof (__const char *__nptr) __THROW __attribute_pure__; extern double atof (__const char *__nptr)
__THROW __attribute_pure__ __nonnull ((1));
/* Convert a string to an integer. */ /* Convert a string to an integer. */
extern int atoi (__const char *__nptr) __THROW __attribute_pure__; extern int atoi (__const char *__nptr)
__THROW __attribute_pure__ __nonnull ((1));
/* Convert a string to a long integer. */ /* Convert a string to a long integer. */
extern long int atol (__const char *__nptr) __THROW __attribute_pure__; extern long int atol (__const char *__nptr)
__THROW __attribute_pure__ __nonnull ((1));
__END_NAMESPACE_STD __END_NAMESPACE_STD
#if defined __USE_ISOC99 || (defined __GLIBC_HAVE_LONG_LONG && defined __USE_MISC) #if defined __USE_ISOC99 || (defined __GLIBC_HAVE_LONG_LONG && defined __USE_MISC)
__BEGIN_NAMESPACE_C99 __BEGIN_NAMESPACE_C99
/* Convert a string to a long long integer. */ /* Convert a string to a long long integer. */
__extension__ extern long long int atoll (__const char *__nptr) __extension__ extern long long int atoll (__const char *__nptr)
__THROW __attribute_pure__; __THROW __attribute_pure__ __nonnull ((1));
__END_NAMESPACE_C99 __END_NAMESPACE_C99
#endif #endif
__BEGIN_NAMESPACE_STD __BEGIN_NAMESPACE_STD
/* Convert a string to a floating-point number. */ /* Convert a string to a floating-point number. */
extern double strtod (__const char *__restrict __nptr, extern double strtod (__const char *__restrict __nptr,
char **__restrict __endptr) __THROW; char **__restrict __endptr) __THROW __nonnull ((1));
__END_NAMESPACE_STD __END_NAMESPACE_STD
#ifdef __USE_ISOC99 #ifdef __USE_ISOC99
__BEGIN_NAMESPACE_C99 __BEGIN_NAMESPACE_C99
/* Likewise for `float' and `long double' sizes of floating-point numbers. */ /* Likewise for `float' and `long double' sizes of floating-point numbers. */
extern float strtof (__const char *__restrict __nptr, extern float strtof (__const char *__restrict __nptr,
char **__restrict __endptr) __THROW; char **__restrict __endptr) __THROW __nonnull ((1));
extern long double strtold (__const char *__restrict __nptr, extern long double strtold (__const char *__restrict __nptr,
char **__restrict __endptr) __THROW; char **__restrict __endptr)
__THROW __nonnull ((1));
__END_NAMESPACE_C99 __END_NAMESPACE_C99
#endif #endif
__BEGIN_NAMESPACE_STD __BEGIN_NAMESPACE_STD
/* Convert a string to a long integer. */ /* Convert a string to a long integer. */
extern long int strtol (__const char *__restrict __nptr, extern long int strtol (__const char *__restrict __nptr,
char **__restrict __endptr, int __base) __THROW; char **__restrict __endptr, int __base)
__THROW __nonnull ((1));
/* Convert a string to an unsigned long integer. */ /* Convert a string to an unsigned long integer. */
extern unsigned long int strtoul (__const char *__restrict __nptr, extern unsigned long int strtoul (__const char *__restrict __nptr,
char **__restrict __endptr, int __base) char **__restrict __endptr, int __base)
__THROW; __THROW __nonnull ((1));
__END_NAMESPACE_C99 __END_NAMESPACE_C99
#if defined __GLIBC_HAVE_LONG_LONG && defined __USE_BSD #if defined __GLIBC_HAVE_LONG_LONG && defined __USE_BSD
/* Convert a string to a quadword integer. */ /* Convert a string to a quadword integer. */
__extension__ __extension__
extern long long int strtoq (__const char *__restrict __nptr, extern long long int strtoq (__const char *__restrict __nptr,
char **__restrict __endptr, int __base) __THROW; char **__restrict __endptr, int __base)
__THROW __nonnull ((1));
/* Convert a string to an unsigned quadword integer. */ /* Convert a string to an unsigned quadword integer. */
__extension__ __extension__
extern unsigned long long int strtouq (__const char *__restrict __nptr, extern unsigned long long int strtouq (__const char *__restrict __nptr,
char **__restrict __endptr, int __base) char **__restrict __endptr, int __base)
__THROW; __THROW __nonnull ((1));
#endif /* GCC and use BSD. */ #endif /* GCC and use BSD. */
#if defined __USE_ISOC99 || (defined __GLIBC_HAVE_LONG_LONG && defined __USE_MISC) #if defined __USE_ISOC99 || (defined __GLIBC_HAVE_LONG_LONG && defined __USE_MISC)
@ -198,12 +204,13 @@ __BEGIN_NAMESPACE_C99
/* Convert a string to a quadword integer. */ /* Convert a string to a quadword integer. */
__extension__ __extension__
extern long long int strtoll (__const char *__restrict __nptr, extern long long int strtoll (__const char *__restrict __nptr,
char **__restrict __endptr, int __base) __THROW; char **__restrict __endptr, int __base)
__THROW __nonnull ((1));
/* Convert a string to an unsigned quadword integer. */ /* Convert a string to an unsigned quadword integer. */
__extension__ __extension__
extern unsigned long long int strtoull (__const char *__restrict __nptr, extern unsigned long long int strtoull (__const char *__restrict __nptr,
char **__restrict __endptr, int __base) char **__restrict __endptr, int __base)
__THROW; __THROW __nonnull ((1));
__END_NAMESPACE_C99 __END_NAMESPACE_C99
#endif /* ISO C99 or GCC and use MISC. */ #endif /* ISO C99 or GCC and use MISC. */
@ -228,33 +235,36 @@ __END_NAMESPACE_C99
use as an additional parameter. */ use as an additional parameter. */
extern long int strtol_l (__const char *__restrict __nptr, extern long int strtol_l (__const char *__restrict __nptr,
char **__restrict __endptr, int __base, char **__restrict __endptr, int __base,
__locale_t __loc) __THROW; __locale_t __loc) __THROW __nonnull ((1, 4));
extern unsigned long int strtoul_l (__const char *__restrict __nptr, extern unsigned long int strtoul_l (__const char *__restrict __nptr,
char **__restrict __endptr, char **__restrict __endptr,
int __base, __locale_t __loc) __THROW; int __base, __locale_t __loc)
__THROW __nonnull ((1, 4));
__extension__ __extension__
extern long long int strtoll_l (__const char *__restrict __nptr, extern long long int strtoll_l (__const char *__restrict __nptr,
char **__restrict __endptr, int __base, char **__restrict __endptr, int __base,
__locale_t __loc) __THROW; __locale_t __loc)
__THROW __nonnull ((1, 4));
__extension__ __extension__
extern unsigned long long int strtoull_l (__const char *__restrict __nptr, extern unsigned long long int strtoull_l (__const char *__restrict __nptr,
char **__restrict __endptr, char **__restrict __endptr,
int __base, __locale_t __loc) int __base, __locale_t __loc)
__THROW; __THROW __nonnull ((1, 4));
extern double strtod_l (__const char *__restrict __nptr, extern double strtod_l (__const char *__restrict __nptr,
char **__restrict __endptr, __locale_t __loc) char **__restrict __endptr, __locale_t __loc)
__THROW; __THROW __nonnull ((1, 3));
extern float strtof_l (__const char *__restrict __nptr, extern float strtof_l (__const char *__restrict __nptr,
char **__restrict __endptr, __locale_t __loc) __THROW; char **__restrict __endptr, __locale_t __loc)
__THROW __nonnull ((1, 3));
extern long double strtold_l (__const char *__restrict __nptr, extern long double strtold_l (__const char *__restrict __nptr,
char **__restrict __endptr, char **__restrict __endptr,
__locale_t __loc) __THROW; __locale_t __loc) __THROW __nonnull ((1, 3));
#endif /* GNU */ #endif /* GNU */
@ -263,23 +273,25 @@ extern long double strtold_l (__const char *__restrict __nptr,
extern double __strtod_internal (__const char *__restrict __nptr, extern double __strtod_internal (__const char *__restrict __nptr,
char **__restrict __endptr, int __group) char **__restrict __endptr, int __group)
__THROW; __THROW __nonnull ((1));
extern float __strtof_internal (__const char *__restrict __nptr, extern float __strtof_internal (__const char *__restrict __nptr,
char **__restrict __endptr, int __group) char **__restrict __endptr, int __group)
__THROW; __THROW __nonnull ((1));
extern long double __strtold_internal (__const char *__restrict __nptr, extern long double __strtold_internal (__const char *__restrict __nptr,
char **__restrict __endptr, char **__restrict __endptr,
int __group) __THROW; int __group) __THROW __nonnull ((1));
#ifndef __strtol_internal_defined #ifndef __strtol_internal_defined
extern long int __strtol_internal (__const char *__restrict __nptr, extern long int __strtol_internal (__const char *__restrict __nptr,
char **__restrict __endptr, char **__restrict __endptr,
int __base, int __group) __THROW; int __base, int __group)
__THROW __nonnull ((1));
# define __strtol_internal_defined 1 # define __strtol_internal_defined 1
#endif #endif
#ifndef __strtoul_internal_defined #ifndef __strtoul_internal_defined
extern unsigned long int __strtoul_internal (__const char *__restrict __nptr, extern unsigned long int __strtoul_internal (__const char *__restrict __nptr,
char **__restrict __endptr, char **__restrict __endptr,
int __base, int __group) __THROW; int __base, int __group)
__THROW __nonnull ((1));
# define __strtoul_internal_defined 1 # define __strtoul_internal_defined 1
#endif #endif
#if defined __GNUC__ || defined __USE_ISOC99 #if defined __GNUC__ || defined __USE_ISOC99
@ -287,7 +299,8 @@ extern unsigned long int __strtoul_internal (__const char *__restrict __nptr,
__extension__ __extension__
extern long long int __strtoll_internal (__const char *__restrict __nptr, extern long long int __strtoll_internal (__const char *__restrict __nptr,
char **__restrict __endptr, char **__restrict __endptr,
int __base, int __group) __THROW; int __base, int __group)
__THROW __nonnull ((1));
# define __strtoll_internal_defined 1 # define __strtoll_internal_defined 1
# endif # endif
# ifndef __strtoull_internal_defined # ifndef __strtoull_internal_defined
@ -296,7 +309,7 @@ extern unsigned long long int __strtoull_internal (__const char *
__restrict __nptr, __restrict __nptr,
char **__restrict __endptr, char **__restrict __endptr,
int __base, int __group) int __base, int __group)
__THROW; __THROW __nonnull ((1));
# define __strtoull_internal_defined 1 # define __strtoull_internal_defined 1
# endif # endif
#endif /* GCC */ #endif /* GCC */
@ -408,7 +421,8 @@ __END_NAMESPACE_C99
extern char *l64a (long int __n) __THROW; extern char *l64a (long int __n) __THROW;
/* Read a number from a string S in base 64 as above. */ /* Read a number from a string S in base 64 as above. */
extern long int a64l (__const char *__s) __THROW __attribute_pure__; extern long int a64l (__const char *__s)
__THROW __attribute_pure__ __nonnull ((1));
#endif /* Use SVID || extended X/Open. */ #endif /* Use SVID || extended X/Open. */
@ -430,11 +444,11 @@ extern void srandom (unsigned int __seed) __THROW;
32, 64, 128 and 256, the bigger the better; values less than 8 will 32, 64, 128 and 256, the bigger the better; values less than 8 will
cause an error and values greater than 256 will be rounded down. */ cause an error and values greater than 256 will be rounded down. */
extern char *initstate (unsigned int __seed, char *__statebuf, extern char *initstate (unsigned int __seed, char *__statebuf,
size_t __statelen) __THROW; size_t __statelen) __THROW __nonnull ((2));
/* Switch the random number generator to state buffer STATEBUF, /* Switch the random number generator to state buffer STATEBUF,
which should have been previously initialized by `initstate'. */ which should have been previously initialized by `initstate'. */
extern char *setstate (char *__statebuf) __THROW; extern char *setstate (char *__statebuf) __THROW __nonnull ((1));
# ifdef __USE_MISC # ifdef __USE_MISC
@ -454,16 +468,19 @@ struct random_data
}; };
extern int random_r (struct random_data *__restrict __buf, extern int random_r (struct random_data *__restrict __buf,
int32_t *__restrict __result) __THROW; int32_t *__restrict __result) __THROW __nonnull ((1, 2));
extern int srandom_r (unsigned int __seed, struct random_data *__buf) __THROW; extern int srandom_r (unsigned int __seed, struct random_data *__buf)
__THROW __nonnull ((2));
extern int initstate_r (unsigned int __seed, char *__restrict __statebuf, extern int initstate_r (unsigned int __seed, char *__restrict __statebuf,
size_t __statelen, size_t __statelen,
struct random_data *__restrict __buf) __THROW; struct random_data *__restrict __buf)
__THROW __nonnull ((2, 4));
extern int setstate_r (char *__restrict __statebuf, extern int setstate_r (char *__restrict __statebuf,
struct random_data *__restrict __buf) __THROW; struct random_data *__restrict __buf)
__THROW __nonnull ((1, 2));
# endif /* Use misc. */ # endif /* Use misc. */
#endif /* Use SVID || extended X/Open || BSD. */ #endif /* Use SVID || extended X/Open || BSD. */
@ -486,20 +503,23 @@ extern int rand_r (unsigned int *__seed) __THROW;
/* Return non-negative, double-precision floating-point value in [0.0,1.0). */ /* Return non-negative, double-precision floating-point value in [0.0,1.0). */
extern double drand48 (void) __THROW; extern double drand48 (void) __THROW;
extern double erand48 (unsigned short int __xsubi[3]) __THROW; extern double erand48 (unsigned short int __xsubi[3]) __THROW __nonnull ((1));
/* Return non-negative, long integer in [0,2^31). */ /* Return non-negative, long integer in [0,2^31). */
extern long int lrand48 (void) __THROW; extern long int lrand48 (void) __THROW;
extern long int nrand48 (unsigned short int __xsubi[3]) __THROW; extern long int nrand48 (unsigned short int __xsubi[3])
__THROW __nonnull ((1));
/* Return signed, long integers in [-2^31,2^31). */ /* Return signed, long integers in [-2^31,2^31). */
extern long int mrand48 (void) __THROW; extern long int mrand48 (void) __THROW;
extern long int jrand48 (unsigned short int __xsubi[3]) __THROW; extern long int jrand48 (unsigned short int __xsubi[3])
__THROW __nonnull ((1));
/* Seed random number generator. */ /* Seed random number generator. */
extern void srand48 (long int __seedval) __THROW; extern void srand48 (long int __seedval) __THROW;
extern unsigned short int *seed48 (unsigned short int __seed16v[3]) __THROW; extern unsigned short int *seed48 (unsigned short int __seed16v[3])
extern void lcong48 (unsigned short int __param[7]) __THROW; __THROW __nonnull ((1));
extern void lcong48 (unsigned short int __param[7]) __THROW __nonnull ((1));
# ifdef __USE_MISC # ifdef __USE_MISC
/* Data structure for communication with thread safe versions. This /* Data structure for communication with thread safe versions. This
@ -516,34 +536,39 @@ struct drand48_data
/* Return non-negative, double-precision floating-point value in [0.0,1.0). */ /* Return non-negative, double-precision floating-point value in [0.0,1.0). */
extern int drand48_r (struct drand48_data *__restrict __buffer, extern int drand48_r (struct drand48_data *__restrict __buffer,
double *__restrict __result) __THROW; double *__restrict __result) __THROW __nonnull ((1, 2));
extern int erand48_r (unsigned short int __xsubi[3], extern int erand48_r (unsigned short int __xsubi[3],
struct drand48_data *__restrict __buffer, struct drand48_data *__restrict __buffer,
double *__restrict __result) __THROW; double *__restrict __result) __THROW __nonnull ((1, 2));
/* Return non-negative, long integer in [0,2^31). */ /* Return non-negative, long integer in [0,2^31). */
extern int lrand48_r (struct drand48_data *__restrict __buffer, extern int lrand48_r (struct drand48_data *__restrict __buffer,
long int *__restrict __result) __THROW; long int *__restrict __result)
__THROW __nonnull ((1, 2));
extern int nrand48_r (unsigned short int __xsubi[3], extern int nrand48_r (unsigned short int __xsubi[3],
struct drand48_data *__restrict __buffer, struct drand48_data *__restrict __buffer,
long int *__restrict __result) __THROW; long int *__restrict __result)
__THROW __nonnull ((1, 2));
/* Return signed, long integers in [-2^31,2^31). */ /* Return signed, long integers in [-2^31,2^31). */
extern int mrand48_r (struct drand48_data *__restrict __buffer, extern int mrand48_r (struct drand48_data *__restrict __buffer,
long int *__restrict __result) __THROW; long int *__restrict __result)
__THROW __nonnull ((1, 2));
extern int jrand48_r (unsigned short int __xsubi[3], extern int jrand48_r (unsigned short int __xsubi[3],
struct drand48_data *__restrict __buffer, struct drand48_data *__restrict __buffer,
long int *__restrict __result) __THROW; long int *__restrict __result)
__THROW __nonnull ((1, 2));
/* Seed random number generator. */ /* Seed random number generator. */
extern int srand48_r (long int __seedval, struct drand48_data *__buffer) extern int srand48_r (long int __seedval, struct drand48_data *__buffer)
__THROW; __THROW __nonnull ((2));
extern int seed48_r (unsigned short int __seed16v[3], extern int seed48_r (unsigned short int __seed16v[3],
struct drand48_data *__buffer) __THROW; struct drand48_data *__buffer) __THROW __nonnull ((1, 2));
extern int lcong48_r (unsigned short int __param[7], extern int lcong48_r (unsigned short int __param[7],
struct drand48_data *__buffer) __THROW; struct drand48_data *__buffer)
__THROW __nonnull ((1, 2));
# endif /* Use misc. */ # endif /* Use misc. */
#endif /* Use SVID or X/Open. */ #endif /* Use SVID or X/Open. */
@ -586,7 +611,7 @@ extern void *valloc (size_t __size) __THROW __attribute_malloc__;
#ifdef __USE_XOPEN2K #ifdef __USE_XOPEN2K
/* Allocate memory of SIZE bytes with an alignment of ALIGNMENT. */ /* Allocate memory of SIZE bytes with an alignment of ALIGNMENT. */
extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size) extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
__THROW __attribute_malloc__; __THROW __attribute_malloc__ __nonnull ((1));
#endif #endif
__BEGIN_NAMESPACE_STD __BEGIN_NAMESPACE_STD
@ -595,14 +620,14 @@ extern void abort (void) __THROW __attribute__ ((__noreturn__));
/* Register a function to be called when `exit' is called. */ /* Register a function to be called when `exit' is called. */
extern int atexit (void (*__func) (void)) __THROW; extern int atexit (void (*__func) (void)) __THROW __nonnull ((1));
__END_NAMESPACE_STD __END_NAMESPACE_STD
#ifdef __USE_MISC #ifdef __USE_MISC
/* Register a function to be called with the status /* Register a function to be called with the status
given to `exit' and the given argument. */ given to `exit' and the given argument. */
extern int on_exit (void (*__func) (int __status, void *__arg), void *__arg) extern int on_exit (void (*__func) (int __status, void *__arg), void *__arg)
__THROW; __THROW __nonnull ((1));
#endif #endif
__BEGIN_NAMESPACE_STD __BEGIN_NAMESPACE_STD
@ -623,28 +648,28 @@ __END_NAMESPACE_C99
__BEGIN_NAMESPACE_STD __BEGIN_NAMESPACE_STD
/* Return the value of envariable NAME, or NULL if it doesn't exist. */ /* Return the value of envariable NAME, or NULL if it doesn't exist. */
extern char *getenv (__const char *__name) __THROW; extern char *getenv (__const char *__name) __THROW __nonnull ((1));
__END_NAMESPACE_STD __END_NAMESPACE_STD
/* This function is similar to the above but returns NULL if the /* This function is similar to the above but returns NULL if the
programs is running with SUID or SGID enabled. */ programs is running with SUID or SGID enabled. */
extern char *__secure_getenv (__const char *__name) __THROW; extern char *__secure_getenv (__const char *__name) __THROW __nonnull ((1));
#if defined __USE_SVID || defined __USE_XOPEN #if defined __USE_SVID || defined __USE_XOPEN
/* The SVID says this is in <stdio.h>, but this seems a better place. */ /* The SVID says this is in <stdio.h>, but this seems a better place. */
/* Put STRING, which is of the form "NAME=VALUE", in the environment. /* Put STRING, which is of the form "NAME=VALUE", in the environment.
If there is no `=', remove NAME from the environment. */ If there is no `=', remove NAME from the environment. */
extern int putenv (char *__string) __THROW; extern int putenv (char *__string) __THROW __nonnull ((1));
#endif #endif
#if defined __USE_BSD || defined __USE_XOPEN2K #if defined __USE_BSD || defined __USE_XOPEN2K
/* Set NAME to VALUE in the environment. /* Set NAME to VALUE in the environment.
If REPLACE is nonzero, overwrite an existing value. */ If REPLACE is nonzero, overwrite an existing value. */
extern int setenv (__const char *__name, __const char *__value, int __replace) extern int setenv (__const char *__name, __const char *__value, int __replace)
__THROW; __THROW __nonnull ((1, 2));
/* Remove the variable NAME from the environment. */ /* Remove the variable NAME from the environment. */
extern int unsetenv (__const char *__name) __THROW; extern int unsetenv (__const char *__name) __THROW __nonnull ((1));
#endif #endif
#ifdef __USE_MISC #ifdef __USE_MISC
@ -660,7 +685,7 @@ extern int clearenv (void) __THROW;
The last six characters of TEMPLATE must be "XXXXXX"; The last six characters of TEMPLATE must be "XXXXXX";
they are replaced with a string that makes the file name unique. they are replaced with a string that makes the file name unique.
Returns TEMPLATE, or a null pointer if it cannot get a unique file name. */ Returns TEMPLATE, or a null pointer if it cannot get a unique file name. */
extern char *mktemp (char *__template) __THROW; extern char *mktemp (char *__template) __THROW __nonnull ((1));
/* Generate a unique temporary file name from TEMPLATE. /* Generate a unique temporary file name from TEMPLATE.
The last six characters of TEMPLATE must be "XXXXXX"; The last six characters of TEMPLATE must be "XXXXXX";
@ -671,16 +696,16 @@ extern char *mktemp (char *__template) __THROW;
This function is a possible cancellation points and therefore not This function is a possible cancellation points and therefore not
marked with __THROW. */ marked with __THROW. */
# ifndef __USE_FILE_OFFSET64 # ifndef __USE_FILE_OFFSET64
extern int mkstemp (char *__template); extern int mkstemp (char *__template) __nonnull ((1));
# else # else
# ifdef __REDIRECT # ifdef __REDIRECT
extern int __REDIRECT (mkstemp, (char *__template), mkstemp64); extern int __REDIRECT (mkstemp, (char *__template), mkstemp64) __nonnull ((1));
# else # else
# define mkstemp mkstemp64 # define mkstemp mkstemp64
# endif # endif
# endif # endif
# ifdef __USE_LARGEFILE64 # ifdef __USE_LARGEFILE64
extern int mkstemp64 (char *__template); extern int mkstemp64 (char *__template) __nonnull ((1));
# endif # endif
#endif #endif
@ -690,7 +715,7 @@ extern int mkstemp64 (char *__template);
they are replaced with a string that makes the directory name unique. they are replaced with a string that makes the directory name unique.
Returns TEMPLATE, or a null pointer if it cannot get a unique name. Returns TEMPLATE, or a null pointer if it cannot get a unique name.
The directory is created mode 700. */ The directory is created mode 700. */
extern char *mkdtemp (char *__template) __THROW; extern char *mkdtemp (char *__template) __THROW __nonnull ((1));
#endif #endif
@ -707,7 +732,8 @@ __END_NAMESPACE_STD
/* Return a malloc'd string containing the canonical absolute name of the /* Return a malloc'd string containing the canonical absolute name of the
named file. The last file name component need not exist, and may be a named file. The last file name component need not exist, and may be a
symlink to a nonexistent file. */ symlink to a nonexistent file. */
extern char *canonicalize_file_name (__const char *__name) __THROW; extern char *canonicalize_file_name (__const char *__name)
__THROW __nonnull ((1));
#endif #endif
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
@ -718,7 +744,7 @@ extern char *canonicalize_file_name (__const char *__name) __THROW;
ENAMETOOLONG; if the name fits in fewer than PATH_MAX chars, returns the ENAMETOOLONG; if the name fits in fewer than PATH_MAX chars, returns the
name in RESOLVED. */ name in RESOLVED. */
extern char *realpath (__const char *__restrict __name, extern char *realpath (__const char *__restrict __name,
char *__restrict __resolved) __THROW; char *__restrict __resolved) __THROW __nonnull ((1));
#endif #endif
@ -736,12 +762,13 @@ __BEGIN_NAMESPACE_STD
/* Do a binary search for KEY in BASE, which consists of NMEMB elements /* Do a binary search for KEY in BASE, which consists of NMEMB elements
of SIZE bytes each, using COMPAR to perform the comparisons. */ of SIZE bytes each, using COMPAR to perform the comparisons. */
extern void *bsearch (__const void *__key, __const void *__base, extern void *bsearch (__const void *__key, __const void *__base,
size_t __nmemb, size_t __size, __compar_fn_t __compar); size_t __nmemb, size_t __size, __compar_fn_t __compar)
__nonnull ((1, 2, 5));
/* Sort NMEMB elements of BASE, of SIZE bytes each, /* Sort NMEMB elements of BASE, of SIZE bytes each,
using COMPAR to perform the comparisons. */ using COMPAR to perform the comparisons. */
extern void qsort (void *__base, size_t __nmemb, size_t __size, extern void qsort (void *__base, size_t __nmemb, size_t __size,
__compar_fn_t __compar); __compar_fn_t __compar) __nonnull ((1, 4));
/* Return the absolute value of X. */ /* Return the absolute value of X. */
@ -782,44 +809,50 @@ __END_NAMESPACE_C99
this. Set *DECPT with the position of the decimal character and *SIGN this. Set *DECPT with the position of the decimal character and *SIGN
with the sign of the number. */ with the sign of the number. */
extern char *ecvt (double __value, int __ndigit, int *__restrict __decpt, extern char *ecvt (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign) __THROW; int *__restrict __sign) __THROW __nonnull ((3, 4));
/* Convert VALUE to a string rounded to NDIGIT decimal digits. Set *DECPT /* Convert VALUE to a string rounded to NDIGIT decimal digits. Set *DECPT
with the position of the decimal character and *SIGN with the sign of with the position of the decimal character and *SIGN with the sign of
the number. */ the number. */
extern char *fcvt (double __value, int __ndigit, int *__restrict __decpt, extern char *fcvt (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign) __THROW; int *__restrict __sign) __THROW __nonnull ((3, 4));
/* If possible convert VALUE to a string with NDIGIT significant digits. /* If possible convert VALUE to a string with NDIGIT significant digits.
Otherwise use exponential representation. The resulting string will Otherwise use exponential representation. The resulting string will
be written to BUF. */ be written to BUF. */
extern char *gcvt (double __value, int __ndigit, char *__buf) __THROW; extern char *gcvt (double __value, int __ndigit, char *__buf)
__THROW __nonnull ((3));
# ifdef __USE_MISC # ifdef __USE_MISC
/* Long double versions of above functions. */ /* Long double versions of above functions. */
extern char *qecvt (long double __value, int __ndigit, extern char *qecvt (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign) __THROW; int *__restrict __decpt, int *__restrict __sign)
__THROW __nonnull ((3, 4));
extern char *qfcvt (long double __value, int __ndigit, extern char *qfcvt (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign) __THROW; int *__restrict __decpt, int *__restrict __sign)
extern char *qgcvt (long double __value, int __ndigit, char *__buf) __THROW; __THROW __nonnull ((3, 4));
extern char *qgcvt (long double __value, int __ndigit, char *__buf)
__THROW __nonnull ((3));
/* Reentrant version of the functions above which provide their own /* Reentrant version of the functions above which provide their own
buffers. */ buffers. */
extern int ecvt_r (double __value, int __ndigit, int *__restrict __decpt, extern int ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign, char *__restrict __buf, int *__restrict __sign, char *__restrict __buf,
size_t __len) __THROW; size_t __len) __THROW __nonnull ((3, 4, 5));
extern int fcvt_r (double __value, int __ndigit, int *__restrict __decpt, extern int fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign, char *__restrict __buf, int *__restrict __sign, char *__restrict __buf,
size_t __len) __THROW; size_t __len) __THROW __nonnull ((3, 4, 5));
extern int qecvt_r (long double __value, int __ndigit, extern int qecvt_r (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign, int *__restrict __decpt, int *__restrict __sign,
char *__restrict __buf, size_t __len) __THROW; char *__restrict __buf, size_t __len)
__THROW __nonnull ((3, 4, 5));
extern int qfcvt_r (long double __value, int __ndigit, extern int qfcvt_r (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign, int *__restrict __decpt, int *__restrict __sign,
char *__restrict __buf, size_t __len) __THROW; char *__restrict __buf, size_t __len)
__THROW __nonnull ((3, 4, 5));
# endif /* misc */ # endif /* misc */
#endif /* use MISC || use X/Open Unix */ #endif /* use MISC || use X/Open Unix */
@ -852,7 +885,7 @@ __END_NAMESPACE_STD
or negative response expression as specified by the LC_MESSAGES category or negative response expression as specified by the LC_MESSAGES category
in the program's current locale. Returns 1 if affirmative, 0 if in the program's current locale. Returns 1 if affirmative, 0 if
negative, and -1 if not matching. */ negative, and -1 if not matching. */
extern int rpmatch (__const char *__response) __THROW; extern int rpmatch (__const char *__response) __THROW __nonnull ((1));
#endif #endif
@ -865,13 +898,14 @@ extern int rpmatch (__const char *__response) __THROW;
token or at the terminating NUL character. */ token or at the terminating NUL character. */
extern int getsubopt (char **__restrict __optionp, extern int getsubopt (char **__restrict __optionp,
char *__const *__restrict __tokens, char *__const *__restrict __tokens,
char **__restrict __valuep) __THROW; char **__restrict __valuep)
__THROW __nonnull ((1, 2, 3));
#endif #endif
#ifdef __USE_XOPEN #ifdef __USE_XOPEN
/* Setup DES tables according KEY. */ /* Setup DES tables according KEY. */
extern void setkey (__const char *__key) __THROW; extern void setkey (__const char *__key) __THROW __nonnull ((1));
#endif #endif
@ -903,7 +937,8 @@ extern char *ptsname (int __fd) __THROW;
/* Store at most BUFLEN characters of the pathname of the slave pseudo /* Store at most BUFLEN characters of the pathname of the slave pseudo
terminal associated with the master FD is open on in BUF. terminal associated with the master FD is open on in BUF.
Return 0 on success, otherwise an error number. */ Return 0 on success, otherwise an error number. */
extern int ptsname_r (int __fd, char *__buf, size_t __buflen) __THROW; extern int ptsname_r (int __fd, char *__buf, size_t __buflen)
__THROW __nonnull ((2));
/* Open a master pseudo terminal and return its file descriptor. */ /* Open a master pseudo terminal and return its file descriptor. */
extern int getpt (void); extern int getpt (void);
@ -913,7 +948,8 @@ extern int getpt (void);
/* Put the 1 minute, 5 minute and 15 minute load averages into the first /* Put the 1 minute, 5 minute and 15 minute load averages into the first
NELEM elements of LOADAVG. Return the number written (never more than NELEM elements of LOADAVG. Return the number written (never more than
three, but may be less than NELEM), or -1 if an error occurred. */ three, but may be less than NELEM), or -1 if an error occurred. */
extern int getloadavg (double __loadavg[], int __nelem) __THROW; extern int getloadavg (double __loadavg[], int __nelem)
__THROW __nonnull ((1));
#endif #endif
#endif /* don't just need malloc and calloc */ #endif /* don't just need malloc and calloc */

137
string/string.h
View File

@ -36,11 +36,12 @@ __BEGIN_DECLS
__BEGIN_NAMESPACE_STD __BEGIN_NAMESPACE_STD
/* Copy N bytes of SRC to DEST. */ /* Copy N bytes of SRC to DEST. */
extern void *memcpy (void *__restrict __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 /* Copy N bytes of SRC to DEST, guaranteeing
correct behavior for overlapping strings. */ correct behavior for overlapping strings. */
extern void *memmove (void *__dest, __const void *__src, size_t __n) extern void *memmove (void *__dest, __const void *__src, size_t __n)
__THROW; __THROW __nonnull ((1, 2));
__END_NAMESPACE_STD __END_NAMESPACE_STD
/* Copy no more than N bytes of SRC to DEST, stopping when C is found. /* 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 #if defined __USE_SVID || defined __USE_BSD || defined __USE_XOPEN
extern void *memccpy (void *__restrict __dest, __const void *__restrict __src, extern void *memccpy (void *__restrict __dest, __const void *__restrict __src,
int __c, size_t __n) int __c, size_t __n)
__THROW; __THROW __nonnull ((1, 2));
#endif /* SVID. */ #endif /* SVID. */
__BEGIN_NAMESPACE_STD __BEGIN_NAMESPACE_STD
/* Set N bytes of S to C. */ /* 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. */ /* Compare N bytes of S1 and S2. */
extern int memcmp (__const void *__s1, __const void *__s2, size_t __n) 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. */ /* Search N bytes of S for C. */
extern void *memchr (__const void *__s, int __c, size_t __n) extern void *memchr (__const void *__s, int __c, size_t __n)
__THROW __attribute_pure__; __THROW __attribute_pure__ __nonnull ((1));
__END_NAMESPACE_STD __END_NAMESPACE_STD
#ifdef __USE_GNU #ifdef __USE_GNU
/* Search in S for C. This is similar to `memchr' but there is no /* Search in S for C. This is similar to `memchr' but there is no
length limit. */ 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. */ /* Search N bytes of S for the final occurrence of C. */
extern void *memrchr (__const void *__s, int __c, size_t __n) extern void *memrchr (__const void *__s, int __c, size_t __n)
__THROW __attribute_pure__; __THROW __attribute_pure__ __nonnull ((1));
#endif #endif
__BEGIN_NAMESPACE_STD __BEGIN_NAMESPACE_STD
/* Copy SRC to DEST. */ /* Copy SRC to DEST. */
extern char *strcpy (char *__restrict __dest, __const char *__restrict __src) 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. */ /* Copy no more than N characters of SRC to DEST. */
extern char *strncpy (char *__restrict __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. */ /* Append SRC onto DEST. */
extern char *strcat (char *__restrict __dest, __const char *__restrict __src) 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. */ /* Append no more than N characters from SRC onto DEST. */
extern char *strncat (char *__restrict __dest, __const char *__restrict __src, 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. */ /* Compare S1 and S2. */
extern int strcmp (__const char *__s1, __const char *__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. */ /* Compare N characters of S1 and S2. */
extern int strncmp (__const char *__s1, __const char *__s2, size_t __n) 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. */ /* Compare the collated forms of S1 and S2. */
extern int strcoll (__const char *__s1, __const char *__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. */ /* Put a transformation of SRC into no more than N bytes of DEST. */
extern size_t strxfrm (char *__restrict __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 __END_NAMESPACE_STD
#ifdef __USE_GNU #ifdef __USE_GNU
@ -115,15 +119,16 @@ __END_NAMESPACE_STD
/* Compare the collated forms of S1 and S2 using rules from L. */ /* 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) extern int strcoll_l (__const char *__s1, __const char *__s2, __locale_t __l)
__THROW __attribute_pure__; __THROW __attribute_pure__ __nonnull ((1, 2, 3));
/* Put a transformation of SRC into no more than N bytes of DEST. */ /* 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, extern size_t strxfrm_l (char *__dest, __const char *__src, size_t __n,
__locale_t __l) __THROW; __locale_t __l) __THROW __nonnull ((2, 4));
#endif #endif
#if defined __USE_SVID || defined __USE_BSD || defined __USE_XOPEN_EXTENDED #if defined __USE_SVID || defined __USE_BSD || defined __USE_XOPEN_EXTENDED
/* Duplicate S, returning an identical malloc'd string. */ /* 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 #endif
/* Return a malloc'd copy of at most N bytes of STRING. The /* Return a malloc'd copy of at most N bytes of STRING. The
@ -131,7 +136,7 @@ extern char *strdup (__const char *__s) __THROW __attribute_malloc__;
appears before STRING[N]. */ appears before STRING[N]. */
#if defined __USE_GNU #if defined __USE_GNU
extern char *strndup (__const char *__string, size_t __n) extern char *strndup (__const char *__string, size_t __n)
__THROW __attribute_malloc__; __THROW __attribute_malloc__ __nonnull ((1));
#endif #endif
#if defined __USE_GNU && defined __GNUC__ #if defined __USE_GNU && defined __GNUC__
@ -159,53 +164,58 @@ extern char *strndup (__const char *__string, size_t __n)
__BEGIN_NAMESPACE_STD __BEGIN_NAMESPACE_STD
/* Find the first occurrence of C in S. */ /* 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. */ /* 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 __END_NAMESPACE_STD
#ifdef __USE_GNU #ifdef __USE_GNU
/* This function is similar to `strchr'. But it returns a pointer to /* This function is similar to `strchr'. But it returns a pointer to
the closing NUL byte in case C is not found in S. */ 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 #endif
__BEGIN_NAMESPACE_STD __BEGIN_NAMESPACE_STD
/* Return the length of the initial segment of S which /* Return the length of the initial segment of S which
consists entirely of characters not in REJECT. */ consists entirely of characters not in REJECT. */
extern size_t strcspn (__const char *__s, __const char *__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 /* Return the length of the initial segment of S which
consists entirely of characters in ACCEPT. */ consists entirely of characters in ACCEPT. */
extern size_t strspn (__const char *__s, __const char *__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. */ /* Find the first occurrence in S of any character in ACCEPT. */
extern char *strpbrk (__const char *__s, __const char *__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. */ /* Find the first occurrence of NEEDLE in HAYSTACK. */
extern char *strstr (__const char *__haystack, __const char *__needle) 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. */ /* Divide S into tokens separated by characters in DELIM. */
extern char *strtok (char *__restrict __s, __const char *__restrict __delim) extern char *strtok (char *__restrict __s, __const char *__restrict __delim)
__THROW; __THROW __nonnull ((2));
__END_NAMESPACE_STD __END_NAMESPACE_STD
/* Divide S into tokens separated by characters in DELIM. Information /* Divide S into tokens separated by characters in DELIM. Information
passed between calls are stored in SAVE_PTR. */ passed between calls are stored in SAVE_PTR. */
extern char *__strtok_r (char *__restrict __s, extern char *__strtok_r (char *__restrict __s,
__const char *__restrict __delim, __const char *__restrict __delim,
char **__restrict __save_ptr) __THROW; char **__restrict __save_ptr)
__THROW __nonnull ((2, 3));
#if defined __USE_POSIX || defined __USE_MISC #if defined __USE_POSIX || defined __USE_MISC
extern char *strtok_r (char *__restrict __s, __const char *__restrict __delim, 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 #endif
#ifdef __USE_GNU #ifdef __USE_GNU
/* Similar to `strstr' but this function ignores the case of both strings. */ /* Similar to `strstr' but this function ignores the case of both strings. */
extern char *strcasestr (__const char *__haystack, __const char *__needle) extern char *strcasestr (__const char *__haystack, __const char *__needle)
__THROW __attribute_pure__; __THROW __attribute_pure__ __nonnull ((1, 2));
#endif #endif
#ifdef __USE_GNU #ifdef __USE_GNU
@ -214,27 +224,30 @@ extern char *strcasestr (__const char *__haystack, __const char *__needle)
HAYSTACK is HAYSTACKLEN bytes long. */ HAYSTACK is HAYSTACKLEN bytes long. */
extern void *memmem (__const void *__haystack, size_t __haystacklen, extern void *memmem (__const void *__haystack, size_t __haystacklen,
__const void *__needle, size_t __needlelen) __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 /* Copy N bytes of SRC to DEST, return pointer to bytes after the
last written byte. */ last written byte. */
extern void *__mempcpy (void *__restrict __dest, 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, 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 #endif
__BEGIN_NAMESPACE_STD __BEGIN_NAMESPACE_STD
/* Return the length of S. */ /* 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 __END_NAMESPACE_STD
#ifdef __USE_GNU #ifdef __USE_GNU
/* Find the length of STRING, but scan at most MAXLEN characters. /* Find the length of STRING, but scan at most MAXLEN characters.
If no '\0' terminator is found in that many characters, return MAXLEN. */ If no '\0' terminator is found in that many characters, return MAXLEN. */
extern size_t strnlen (__const char *__string, size_t __maxlen) extern size_t strnlen (__const char *__string, size_t __maxlen)
__THROW __attribute_pure__; __THROW __attribute_pure__ __nonnull ((1));
#endif #endif
@ -256,39 +269,43 @@ __END_NAMESPACE_STD
# ifdef __REDIRECT_NTH # ifdef __REDIRECT_NTH
extern int __REDIRECT_NTH (strerror_r, extern int __REDIRECT_NTH (strerror_r,
(int __errnum, char *__buf, size_t __buflen), (int __errnum, char *__buf, size_t __buflen),
__xpg_strerror_r); __xpg_strerror_r) __nonnull ((2));
# else # else
extern int __xpg_strerror_r (int __errnum, char *__buf, size_t __buflen) extern int __xpg_strerror_r (int __errnum, char *__buf, size_t __buflen)
__THROW; __THROW __nonnull ((2));
# define strerror_r __xpg_strerror_r # define strerror_r __xpg_strerror_r
# endif # endif
# else # else
/* If a temporary buffer is required, at most BUFLEN bytes of BUF will be /* If a temporary buffer is required, at most BUFLEN bytes of BUF will be
used. */ used. */
extern char *strerror_r (int __errnum, char *__buf, size_t __buflen) __THROW; extern char *strerror_r (int __errnum, char *__buf, size_t __buflen)
__THROW __nonnull ((2));
# endif # endif
#endif #endif
/* We define this function always since `bzero' is sometimes needed when /* We define this function always since `bzero' is sometimes needed when
the namespace rules does not allow this. */ 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 #ifdef __USE_BSD
/* Copy N bytes of SRC to DEST (like memmove, but args reversed). */ /* 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. */ /* 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). */ /* Compare N bytes of S1 and S2 (same as memcmp). */
extern int bcmp (__const void *__s1, __const void *__s2, size_t __n) 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). */ /* 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). */ /* 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. /* 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. */ The least-significant bit is position 1, the most-significant 32. */
@ -306,64 +323,68 @@ __extension__ extern int ffsll (long long int __ll)
/* Compare S1 and S2, ignoring case. */ /* Compare S1 and S2, ignoring case. */
extern int strcasecmp (__const char *__s1, __const char *__s2) 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. */ /* Compare no more than N chars of S1 and S2, ignoring case. */
extern int strncasecmp (__const char *__s1, __const char *__s2, size_t __n) extern int strncasecmp (__const char *__s1, __const char *__s2, size_t __n)
__THROW __attribute_pure__; __THROW __attribute_pure__ __nonnull ((1, 2));
#endif /* Use BSD. */ #endif /* Use BSD. */
#ifdef __USE_GNU #ifdef __USE_GNU
/* Again versions of a few functions which use the given locale instead /* Again versions of a few functions which use the given locale instead
of the global one. */ of the global one. */
extern int strcasecmp_l (__const char *__s1, __const char *__s2, 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 strncasecmp_l (__const char *__s1, __const char *__s2, extern int strncasecmp_l (__const char *__s1, __const char *__s2,
size_t __n, __locale_t __loc) size_t __n, __locale_t __loc)
__THROW __attribute_pure__; __THROW __attribute_pure__ __nonnull ((1, 2, 4));
#endif #endif
#ifdef __USE_BSD #ifdef __USE_BSD
/* Return the next DELIM-delimited token from *STRINGP, /* Return the next DELIM-delimited token from *STRINGP,
terminating it with a '\0', and update *STRINGP to point past it. */ terminating it with a '\0', and update *STRINGP to point past it. */
extern char *strsep (char **__restrict __stringp, extern char *strsep (char **__restrict __stringp,
__const char *__restrict __delim) __THROW; __const char *__restrict __delim)
__THROW __nonnull ((1, 2));
#endif #endif
#ifdef __USE_GNU #ifdef __USE_GNU
/* Compare S1 and S2 as strings holding name & indices/version numbers. */ /* Compare S1 and S2 as strings holding name & indices/version numbers. */
extern int strverscmp (__const char *__s1, __const char *__s2) extern int strverscmp (__const char *__s1, __const char *__s2)
__THROW __attribute_pure__; __THROW __attribute_pure__ __nonnull ((1, 2));
/* Return a string describing the meaning of the signal number in SIG. */ /* Return a string describing the meaning of the signal number in SIG. */
extern char *strsignal (int __sig) __THROW; extern char *strsignal (int __sig) __THROW;
/* Copy SRC to DEST, returning the address of the terminating '\0' in DEST. */ /* Copy SRC to DEST, returning the address of the terminating '\0' in DEST. */
extern char *__stpcpy (char *__restrict __dest, __const char *__restrict __src) 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) 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 /* Copy no more than N characters of SRC to DEST, returning the address of
the last character written into DEST. */ the last character written into DEST. */
extern char *__stpncpy (char *__restrict __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, 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. */ /* Sautee STRING briskly. */
extern char *strfry (char *__string) __THROW; extern char *strfry (char *__string) __THROW __nonnull ((1));
/* Frobnicate N bytes of S. */ /* Frobnicate N bytes of S. */
extern void *memfrob (void *__s, size_t __n) __THROW; extern void *memfrob (void *__s, size_t __n) __THROW __nonnull ((1));
# ifndef basename # ifndef basename
/* Return the file name within directory of FILENAME. We don't /* Return the file name within directory of FILENAME. We don't
declare the function if the `basename' macro is available (defined declare the function if the `basename' macro is available (defined
in <libgen.h>) which makes the XPG version of this function in <libgen.h>) which makes the XPG version of this function
available. */ available. */
extern char *basename (__const char *__filename) __THROW; extern char *basename (__const char *__filename) __THROW __nonnull ((1));
# endif # endif
#endif #endif