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support _BSD_SOURCE feature test macro

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patch by Isaac Dunham. matched closely (maybe not exact) to glibc's
idea of what _BSD_SOURCE should make visible.
This commit is contained in:
Rich Felker 2012-05-22 21:52:08 -04:00
commit 419ae6d5c9
22 changed files with 126 additions and 41 deletions
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6
include/setjmp.h
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@ -9,7 +9,8 @@ extern "C" {
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
typedef unsigned long sigjmp_buf[(128+sizeof(jmp_buf))/sizeof(long)];
#ifdef _GNU_SOURCE
#define jmp_buf sigjmp_buf
@ -19,7 +20,8 @@ void siglongjmp (sigjmp_buf, int);
#endif
#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
int _setjmp (jmp_buf);
void _longjmp (jmp_buf, int);
#endif