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Wed Jun 14 03:45:24 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>

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* stdio/stdio.h (__validfp): Use ({...}) rather than a comma
 	expression, to avoid gcc's "value computed is not used" warning.

	* libc-symbols.h (_elf_set_element): Give the set-element variable
 	an `unused' attribute.

	* hurd/hurd/threadvar.h (__hurd_threadvar_location): Declare with
 	__attribute__ ((__const__)).
	* hurd/hurd/signal.h (_hurd_self_sigstate): Likewise.

	* hurd/hurd/userlink.h (_hurd_userlink_link): Properly set
 	LINK->resource.next->resource.prevp when appropriate, not
 	LINK->resource.next->thread.prevp!!!
This commit is contained in:
Roland McGrath
1995-06-14 17:15:57 +00:00
parent 5e75b23212
commit d6e2f671f7
5 changed files with 36 additions and 6 deletions
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6
stdio/stdio.h
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@ -213,9 +213,9 @@ struct __stdio_file
See stdio/glue.c for what the confusing bit is about. */
#define __validfp(stream) \
(stream != NULL && \
((stream->__magic == _GLUEMAGIC && \
(stream = *(((struct { int __magic; FILE **__p; } *) stream)->__p))), \
(stream->__magic == _IOMAGIC)))
({ if (stream->__magic == _GLUEMAGIC) \
stream = *((struct { int __magic; FILE **__p; } *) stream)->__p; \
stream->__magic == _IOMAGIC; }))
/* Clear the error and EOF indicators of STREAM. */
#define __clearerr(stream) ((stream)->__error = (stream)->__eof = 0)