mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-27 03:41:23 +08:00
86005fdbf4
GCC 9 has a bug (PR90731) whereby __typeof does not correctly copy
exception specifiers[1]. Surprisingly, this can be quieted by declaring
"#pragma system_header", or if the headers are installed in a system
directory.
Work around this by using the pragma for any gcc version between
9.0 and 9.2 to ensure tests continue to compile.
[1] Example error from g++ 9.2.1:
In file included from ../include/sys/cdefs.h:3,
from ../include/features.h:465,
from ../bits/libc-header-start.h:33,
from ../math/math.h:27,
from ../include/math.h:7,
from test-math-isinff.cc:21:
../libio/bits/stdio-ldbl.h:25:20: error: declaration of ‘int sprintf(char*, const char*, ...)’ has a different exception specifier
25 | __LDBL_REDIR_DECL (sprintf)
| ^~~~~~~
../misc/sys/cdefs.h:461:26: note: in definition of macro ‘__LDBL_REDIR_DECL’
461 | extern __typeof (name) name __asm (__ASMNAME ("__" #name "ieee128"));
| ^~~~
In file included from ../include/stdio.h:5,
from test-math-isinff.cc:22:
../libio/stdio.h:334:12: note: from previous declaration ‘int sprintf(char*, const char*, ...) throw ()’
334 | extern int sprintf (char *__restrict __s,
| ^~~~~~~
Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
321 lines
11 KiB
C
321 lines
11 KiB
C
#ifndef _STDLIB_H
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#ifndef _ISOMAC
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# include <stddef.h>
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#endif
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/* Workaround PR90731 with GCC 9 when using ldbl redirects in C++. */
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#include <bits/floatn.h>
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#if defined __cplusplus && __LONG_DOUBLE_USES_FLOAT128 == 1
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# if __GNUC_PREREQ (9, 0) && !__GNUC_PREREQ (9, 3)
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# pragma GCC system_header
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# endif
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#endif
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#include <stdlib/stdlib.h>
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/* Now define the internal interfaces. */
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#if !defined _ISOMAC
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# include <sys/stat.h>
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# include <rtld-malloc.h>
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extern __typeof (strtol_l) __strtol_l;
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extern __typeof (strtoul_l) __strtoul_l;
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extern __typeof (strtoll_l) __strtoll_l;
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extern __typeof (strtoull_l) __strtoull_l;
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extern __typeof (strtod_l) __strtod_l;
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extern __typeof (strtof_l) __strtof_l;
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extern __typeof (strtold_l) __strtold_l;
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libc_hidden_proto (__strtol_l)
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libc_hidden_proto (__strtoul_l)
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libc_hidden_proto (__strtoll_l)
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libc_hidden_proto (__strtoull_l)
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libc_hidden_proto (__strtod_l)
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libc_hidden_proto (__strtof_l)
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libc_hidden_proto (__strtold_l)
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libc_hidden_proto (exit)
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libc_hidden_proto (abort)
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libc_hidden_proto (getenv)
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extern __typeof (secure_getenv) __libc_secure_getenv;
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libc_hidden_proto (__libc_secure_getenv)
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libc_hidden_proto (bsearch)
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libc_hidden_proto (qsort)
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extern __typeof (qsort_r) __qsort_r;
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libc_hidden_proto (__qsort_r)
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libc_hidden_proto (lrand48_r)
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libc_hidden_proto (wctomb)
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extern long int __random (void) attribute_hidden;
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extern void __srandom (unsigned int __seed);
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extern char *__initstate (unsigned int __seed, char *__statebuf,
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size_t __statelen);
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extern char *__setstate (char *__statebuf);
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extern int __random_r (struct random_data *__buf, int32_t *__result)
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attribute_hidden;
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extern int __srandom_r (unsigned int __seed, struct random_data *__buf)
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attribute_hidden;
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extern int __initstate_r (unsigned int __seed, char *__statebuf,
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size_t __statelen, struct random_data *__buf)
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attribute_hidden;
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extern int __setstate_r (char *__statebuf, struct random_data *__buf)
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attribute_hidden;
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extern int __rand_r (unsigned int *__seed);
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extern int __erand48_r (unsigned short int __xsubi[3],
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struct drand48_data *__buffer, double *__result)
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attribute_hidden;
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extern int __nrand48_r (unsigned short int __xsubi[3],
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struct drand48_data *__buffer,
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long int *__result) attribute_hidden;
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extern int __jrand48_r (unsigned short int __xsubi[3],
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struct drand48_data *__buffer,
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long int *__result) attribute_hidden;
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extern int __srand48_r (long int __seedval,
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struct drand48_data *__buffer) attribute_hidden;
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extern int __seed48_r (unsigned short int __seed16v[3],
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struct drand48_data *__buffer) attribute_hidden;
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extern int __lcong48_r (unsigned short int __param[7],
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struct drand48_data *__buffer) attribute_hidden;
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/* Internal function to compute next state of the generator. */
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extern int __drand48_iterate (unsigned short int __xsubi[3],
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struct drand48_data *__buffer)
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attribute_hidden;
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/* Global state for non-reentrant functions. Defined in drand48-iter.c. */
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extern struct drand48_data __libc_drand48_data attribute_hidden;
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extern int __setenv (const char *__name, const char *__value, int __replace)
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attribute_hidden;
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extern int __unsetenv (const char *__name) attribute_hidden;
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extern int __clearenv (void) attribute_hidden;
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extern char *__mktemp (char *__template) __THROW __nonnull ((1));
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extern char *__canonicalize_file_name (const char *__name);
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extern char *__realpath (const char *__name, char *__resolved);
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libc_hidden_proto (__realpath)
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extern int __ptsname_r (int __fd, char *__buf, size_t __buflen)
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attribute_hidden;
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# ifndef _ISOMAC
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extern int __ptsname_internal (int fd, char *buf, size_t buflen,
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struct stat64 *stp) attribute_hidden;
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# endif
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extern int __getpt (void);
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extern int __posix_openpt (int __oflag) attribute_hidden;
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extern int __add_to_environ (const char *name, const char *value,
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const char *combines, int replace)
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attribute_hidden;
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extern void _quicksort (void *const pbase, size_t total_elems,
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size_t size, __compar_d_fn_t cmp, void *arg);
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extern int __on_exit (void (*__func) (int __status, void *__arg), void *__arg);
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extern int __cxa_atexit (void (*func) (void *), void *arg, void *d);
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libc_hidden_proto (__cxa_atexit);
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extern int __cxa_thread_atexit_impl (void (*func) (void *), void *arg,
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void *d);
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extern void __call_tls_dtors (void)
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#ifndef SHARED
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__attribute__ ((weak))
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#endif
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;
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libc_hidden_proto (__call_tls_dtors)
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extern void __cxa_finalize (void *d);
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extern int __posix_memalign (void **memptr, size_t alignment, size_t size);
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extern void *__libc_memalign (size_t alignment, size_t size)
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__attribute_malloc__;
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extern void *__libc_reallocarray (void *__ptr, size_t __nmemb, size_t __size)
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__THROW __attribute_warn_unused_result__;
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libc_hidden_proto (__libc_reallocarray)
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extern int __libc_system (const char *line);
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extern double __strtod_internal (const char *__restrict __nptr,
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char **__restrict __endptr, int __group)
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__THROW __nonnull ((1)) __wur;
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extern float __strtof_internal (const char *__restrict __nptr,
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char **__restrict __endptr, int __group)
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__THROW __nonnull ((1)) __wur;
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extern long double __strtold_internal (const char *__restrict __nptr,
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char **__restrict __endptr,
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int __group)
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__THROW __nonnull ((1)) __wur;
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extern long int __strtol_internal (const char *__restrict __nptr,
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char **__restrict __endptr,
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int __base, int __group)
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__THROW __nonnull ((1)) __wur;
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extern unsigned long int __strtoul_internal (const char *__restrict __nptr,
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char **__restrict __endptr,
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int __base, int __group)
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__THROW __nonnull ((1)) __wur;
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__extension__
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extern long long int __strtoll_internal (const char *__restrict __nptr,
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char **__restrict __endptr,
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int __base, int __group)
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__THROW __nonnull ((1)) __wur;
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__extension__
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extern unsigned long long int __strtoull_internal (const char *
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__restrict __nptr,
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char **__restrict __endptr,
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int __base, int __group)
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__THROW __nonnull ((1)) __wur;
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libc_hidden_proto (__strtof_internal)
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libc_hidden_proto (__strtod_internal)
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libc_hidden_proto (__strtold_internal)
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libc_hidden_proto (__strtol_internal)
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libc_hidden_proto (__strtoll_internal)
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libc_hidden_proto (__strtoul_internal)
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libc_hidden_proto (__strtoull_internal)
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extern double ____strtod_l_internal (const char *__restrict __nptr,
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char **__restrict __endptr, int __group,
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locale_t __loc);
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extern float ____strtof_l_internal (const char *__restrict __nptr,
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char **__restrict __endptr, int __group,
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locale_t __loc);
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extern long double ____strtold_l_internal (const char *__restrict __nptr,
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char **__restrict __endptr,
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int __group, locale_t __loc);
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extern long int ____strtol_l_internal (const char *__restrict __nptr,
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char **__restrict __endptr,
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int __base, int __group,
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locale_t __loc);
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extern unsigned long int ____strtoul_l_internal (const char *
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__restrict __nptr,
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char **__restrict __endptr,
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int __base, int __group,
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locale_t __loc);
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__extension__
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extern long long int ____strtoll_l_internal (const char *__restrict __nptr,
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char **__restrict __endptr,
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int __base, int __group,
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locale_t __loc);
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__extension__
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extern unsigned long long int ____strtoull_l_internal (const char *
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__restrict __nptr,
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char **
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__restrict __endptr,
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int __base, int __group,
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locale_t __loc);
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libc_hidden_proto (____strtof_l_internal)
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libc_hidden_proto (____strtod_l_internal)
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libc_hidden_proto (____strtold_l_internal)
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libc_hidden_proto (____strtol_l_internal)
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libc_hidden_proto (____strtoll_l_internal)
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libc_hidden_proto (____strtoul_l_internal)
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libc_hidden_proto (____strtoull_l_internal)
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#include <bits/floatn.h>
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libc_hidden_proto (strtof)
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libc_hidden_proto (strtod)
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#if __LONG_DOUBLE_USES_FLOAT128 == 0
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libc_hidden_proto (strtold)
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#endif
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libc_hidden_proto (strtol)
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libc_hidden_proto (strtoll)
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libc_hidden_proto (strtoul)
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libc_hidden_proto (strtoull)
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libc_hidden_proto (atoi)
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extern float __strtof_nan (const char *, char **, char);
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extern double __strtod_nan (const char *, char **, char);
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extern long double __strtold_nan (const char *, char **, char);
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extern float __wcstof_nan (const wchar_t *, wchar_t **, wchar_t);
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extern double __wcstod_nan (const wchar_t *, wchar_t **, wchar_t);
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extern long double __wcstold_nan (const wchar_t *, wchar_t **, wchar_t);
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libc_hidden_proto (__strtof_nan)
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libc_hidden_proto (__strtod_nan)
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libc_hidden_proto (__strtold_nan)
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libc_hidden_proto (__wcstof_nan)
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libc_hidden_proto (__wcstod_nan)
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libc_hidden_proto (__wcstold_nan)
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/* Enable _FloatN bits as needed. */
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#include <bits/floatn.h>
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#if __HAVE_DISTINCT_FLOAT128
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extern __typeof (strtof128_l) __strtof128_l;
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libc_hidden_proto (__strtof128_l)
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libc_hidden_proto (strtof128)
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extern _Float128 __strtof128_nan (const char *, char **, char);
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extern _Float128 __wcstof128_nan (const wchar_t *, wchar_t **, wchar_t);
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libc_hidden_proto (__strtof128_nan)
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libc_hidden_proto (__wcstof128_nan)
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extern _Float128 __strtof128_internal (const char *__restrict __nptr,
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char **__restrict __endptr,
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int __group);
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libc_hidden_proto (__strtof128_internal)
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extern _Float128 ____strtof128_l_internal (const char *__restrict __nptr,
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char **__restrict __endptr,
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int __group, locale_t __loc);
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libc_hidden_proto (____strtof128_l_internal)
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#endif
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extern char *__ecvt (double __value, int __ndigit, int *__restrict __decpt,
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int *__restrict __sign);
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extern char *__fcvt (double __value, int __ndigit, int *__restrict __decpt,
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int *__restrict __sign);
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extern char *__gcvt (double __value, int __ndigit, char *__buf);
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extern int __ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
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int *__restrict __sign, char *__restrict __buf,
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size_t __len);
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libc_hidden_proto (__ecvt_r)
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extern int __fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
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int *__restrict __sign, char *__restrict __buf,
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size_t __len);
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libc_hidden_proto (__fcvt_r)
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extern char *__qecvt (long double __value, int __ndigit,
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int *__restrict __decpt, int *__restrict __sign);
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extern char *__qfcvt (long double __value, int __ndigit,
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int *__restrict __decpt, int *__restrict __sign);
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extern char *__qgcvt (long double __value, int __ndigit, char *__buf);
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extern int __qecvt_r (long double __value, int __ndigit,
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int *__restrict __decpt, int *__restrict __sign,
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char *__restrict __buf, size_t __len);
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libc_hidden_proto (__qecvt_r)
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extern int __qfcvt_r (long double __value, int __ndigit,
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int *__restrict __decpt, int *__restrict __sign,
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char *__restrict __buf, size_t __len);
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libc_hidden_proto (__qfcvt_r)
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# if IS_IN (libc)
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# undef MB_CUR_MAX
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# define MB_CUR_MAX (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MB_CUR_MAX))
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# endif
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extern void *__default_morecore (ptrdiff_t) __THROW;
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libc_hidden_proto (__default_morecore)
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struct abort_msg_s
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{
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unsigned int size;
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char msg[0];
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};
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extern struct abort_msg_s *__abort_msg;
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libc_hidden_proto (__abort_msg)
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# if IS_IN (rtld) && !defined NO_RTLD_HIDDEN
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extern __typeof (unsetenv) unsetenv attribute_hidden;
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extern __typeof (__strtoul_internal) __strtoul_internal attribute_hidden;
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# endif
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#endif
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#endif /* include/stdlib.h */
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