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* stdlib/stdlib.h: Remove warn_unused_result attribute from strtol etc.

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[BZ #13970]
(strtod, strtof, strtold, strtol, strtoul, strtoq)
(strtouq, strtoll, strtoull, strtol_l, strtoul_l, strtoll_l, strtoull_l)
(strtod_l, strtof_l, strtold_l): Remove __wur.
It is not necessarily an error to ignore strtol's return value.
One can reliably look at the stored endptr to decide whether
the number had valid syntax.
This commit is contained in:
Paul Eggert
2012-04-23 10:43:28 -07:00
parent 803cb6b7a9
commit c0baea34e0
2 changed files with 27 additions and 16 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2013-04-23 Paul Eggert <eggert@cs.ucla.edu>
[BZ #13970]
* stdlib/stdlib.h: Remove warn_unused_result attribute from strtol etc.
(strtod, strtof, strtold, strtol, strtoul, strtoq)
(strtouq, strtoll, strtoull, strtol_l, strtoul_l, strtoll_l, strtoull_l)
(strtod_l, strtof_l, strtold_l): Remove __wur.
It is not necessarily an error to ignore strtol's return value.
One can reliably look at the stored endptr to decide whether
the number had valid syntax.
2012-04-21 Andreas Jaeger <aj@suse.de> 2012-04-21 Andreas Jaeger <aj@suse.de>
[BZ #13739] [BZ #13739]

32
stdlib/stdlib.h
View File

@ -163,18 +163,18 @@ __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) char **__restrict __endptr)
__THROW __nonnull ((1)) __wur; __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 __nonnull ((1)) __wur; 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) char **__restrict __endptr)
__THROW __nonnull ((1)) __wur; __THROW __nonnull ((1));
__END_NAMESPACE_C99 __END_NAMESPACE_C99
#endif #endif
@ -182,11 +182,11 @@ __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) char **__restrict __endptr, int __base)
__THROW __nonnull ((1)) __wur; __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 __nonnull ((1)) __wur; __THROW __nonnull ((1));
__END_NAMESPACE_STD __END_NAMESPACE_STD
#if defined __GLIBC_HAVE_LONG_LONG && defined __USE_BSD #if defined __GLIBC_HAVE_LONG_LONG && defined __USE_BSD
@ -194,12 +194,12 @@ __END_NAMESPACE_STD
__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) char **__restrict __endptr, int __base)
__THROW __nonnull ((1)) __wur; __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 __nonnull ((1)) __wur; __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)
@ -208,12 +208,12 @@ __BEGIN_NAMESPACE_C99
__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) char **__restrict __endptr, int __base)
__THROW __nonnull ((1)) __wur; __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 __nonnull ((1)) __wur; __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. */
@ -238,37 +238,37 @@ __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 __nonnull ((1, 4)) __wur; __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) int __base, __locale_t __loc)
__THROW __nonnull ((1, 4)) __wur; __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) __locale_t __loc)
__THROW __nonnull ((1, 4)) __wur; __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 __nonnull ((1, 4)) __wur; __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 __nonnull ((1, 3)) __wur; __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) char **__restrict __endptr, __locale_t __loc)
__THROW __nonnull ((1, 3)) __wur; __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) __locale_t __loc)
__THROW __nonnull ((1, 3)) __wur; __THROW __nonnull ((1, 3));
#endif /* GNU */ #endif /* GNU */