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c1a9658bd1
the old behavior of exposing nothing except plain ISO C can be obtained by defining __STRICT_ANSI__ or using a compiler option (such as -std=c99) that predefines it. the new default featureset is POSIX with XSI plus _BSD_SOURCE. any explicit feature test macros will inhibit the default. installation docs have also been updated to reflect this change.
44 lines
753 B
C
44 lines
753 B
C
#ifndef _SETJMP_H
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#define _SETJMP_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <features.h>
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#include <bits/setjmp.h>
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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
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|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
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|| defined(_BSD_SOURCE)
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typedef struct {
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jmp_buf __jb;
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unsigned long __fl;
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unsigned long __ss[128/sizeof(long)];
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} sigjmp_buf[1];
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int sigsetjmp (sigjmp_buf, int);
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_Noreturn void siglongjmp (sigjmp_buf, int);
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#endif
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#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
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|| defined(_BSD_SOURCE)
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int _setjmp (jmp_buf);
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_Noreturn void _longjmp (jmp_buf, int);
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#endif
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int setjmp (jmp_buf);
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_Noreturn void longjmp (jmp_buf, int);
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#define setjmp setjmp
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#define longjmp longjmp
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#ifdef __cplusplus
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}
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#endif
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#endif
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