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Feature test macros overhaul: stdlib.h

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Throughout, simplify the C99/C11 conditionals, and replace
__STRICT_ANSI__ with the proper internal POSIX macros.  The _*_r
reentrant functions need not be guarded (and most haven't been) because
such names in the global scope are reserved to the implementation.

atoff is unique to newlib.

dtoa is not actually exported (_dtoa_r is used internally), is
nonstandard, and the declaration conflicts with the code included in
MySQL, NSPR, and SpiderMonkey.

mktemp was removed in POSIX.1-2001.

The qsort_r declarations are reordered so that the GNU version retains
precedence.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
This commit is contained in:
Yaakov Selkowitz
2016-03-14 16:55:26 -05:00
parent feec81e571
commit 84ba25226c
5 changed files with 74 additions and 55 deletions
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24
winsup/cygwin/include/cygwin/stdlib.h
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@ -28,26 +28,34 @@ __uint32_t arc4random_uniform(__uint32_t);
const char *getprogname (void);
void setprogname (const char *);
#ifndef __STRICT_ANSI__
#if __GNU_VISIBLE
char *canonicalize_file_name (const char *);
#endif
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112
int unsetenv (const char *);
#endif /*__STRICT_ANSI__*/
#if !defined(__STRICT_ANSI__) || (__XSI_VISIBLE >= 500)
#endif
#if __BSD_VISIBLE || __SVID_SOURCE || __XSI_VISIBLE >= 4
char *initstate (unsigned seed, char *state, size_t size);
long random (void);
char *setstate (const char *state);
void srandom (unsigned);
#endif
#ifndef __STRICT_ANSI__
#if __XSI_VISIBLE
char *ptsname (int);
int ptsname_r(int, char *, size_t);
int getpt (void);
int grantpt (int);
int unlockpt (int);
#endif /*__STRICT_ANSI__*/
#endif
#if __GNU_VISIBLE
int ptsname_r(int, char *, size_t);
int getpt (void);
#endif
#if __XSI_VISIBLE >= 600
int posix_openpt (int);
#endif
#if __POSIX_VISIBLE >= 200112
int posix_memalign (void **, size_t, size_t);
#endif
#ifdef _COMPILING_NEWLIB
#define unsetenv UNUSED_unsetenv
@ -55,7 +63,9 @@ int posix_memalign (void **, size_t, size_t);
#endif
extern _PTR memalign _PARAMS ((size_t, size_t));
#if __BSD_VISIBLE || (__XSI_VISIBLE >= 4 && __POSIX_VISIBLE < 200112)
extern _PTR valloc _PARAMS ((size_t));
#endif
#undef _malloc_r
#define _malloc_r(r, s) malloc (s)