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xz: Silence a warning seen with _FORTIFY_SOURCE=2. 

Thanks to Christian Hesse.
This commit is contained in:
Lasse Collin 2013-07-01 14:34:11 +03:00
parent 1936718bb3
commit c0627b3fce
1 changed files with 7 additions and 1 deletions
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8
src/xz/file_io.c
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@ -98,8 +98,14 @@ io_init(void)
extern void extern void
io_write_to_user_abort_pipe(void) io_write_to_user_abort_pipe(void)
{ {
// If the write() fails, it's probably due to the pipe being full.
// Failing in that case is fine. If the reason is something else,
// there's not much we can do since this is called in a signal
// handler. So ignore the errors and try to avoid warnings with
// GCC and glibc when _FORTIFY_SOURCE=2 is used.
uint8_t b = '\0'; uint8_t b = '\0';
(void)write(user_abort_pipe[1], &b, 1); const int ret = write(user_abort_pipe[1], &b, 1);
(void)ret;
return; return;
} }
#endif #endif