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* pex-unix.c (pex_child_error): Define writeerr macro to avoid

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unused result warnings from write(3) calls.  Undefine writeerr
	after all uses.
This commit is contained in:
Ben Elliston 2009-11-19 21:17:04 +00:00
parent c561c2760c
commit 17f99e29c5
2 changed files with 8 additions and 1 deletions
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6
libiberty/ChangeLog
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@ -1,3 +1,9 @@
2009-11-20 Ben Elliston <bje@au.ibm.com>
* pex-unix.c (pex_child_error): Define writeerr macro to avoid
unused result warnings from write(3) calls. Undefine writeerr
after all uses.
2009-10-08 Daniel Gutson <dgutson@codesourcery.com>
Daniel Jacobowitz <dan@codesourcery.com>
Pedro Alves <pedro@codesourcery.com>

3
libiberty/pex-unix.c
View file

@ -368,7 +368,7 @@ static void
pex_child_error (struct pex_obj *obj, const char *executable,
const char *errmsg, int err)
{
#define writeerr(s) (void) write (STDERR_FILE_NO, s, strlen (s))
#define writeerr(s) if (write (STDERR_FILE_NO, s, strlen (s))) {}
writeerr (obj->pname);
writeerr (": error trying to exec '");
writeerr (executable);
@ -377,6 +377,7 @@ pex_child_error (struct pex_obj *obj, const char *executable,
writeerr (": ");
writeerr (xstrerror (err));
writeerr ("\n");
#undef writeerr
_exit (-1);
}