mainnika/weston
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

compositor/shared: Suppress write(2) warnings

Browse Source 
Fixes the following warnings when building with _FORTIFY_SOURCE
and optimizations enabled:

../shared/xalloc.h:49:9: error: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
   49 |         write(STDERR_FILENO, oommsg, strlen(oommsg));
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

or
../compositor/main.c:427:25: error: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
  427 |                         write(STDERR_FILENO, fail_seteuid,
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  428 |                               strlen(fail_seteuid));
      |                               ~~~~~~~~~~~~~~~~~~~~~
../compositor/main.c:434:25: error: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
  434 |                         write(STDERR_FILENO, fail_cloexec,
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  435 |                               strlen(fail_cloexec));
      |                               ~~~~~~~~~~~~~~~~~~~~~
../compositor/main.c:442:25: error: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
  442 |                         write(STDERR_FILENO, fail_exec, strlen(fail_exec));
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
(cherry picked from commit 8c4cdd782e17aa587bfccb6746998571ddc90dd7)
This commit is contained in:
Marius Vlad
2022-09-21 11:00:21 +03:00
parent 715eb67cd8
commit 00a78294b1
3 changed files with 14 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
shared/xalloc.h
+4 -3
View File
@@ -40,13 +40,14 @@ static inline void *
abort_oom_if_null(void *p)
{
static const char oommsg[] = ": out of memory\n";
size_t written __attribute__((unused));
if (p)
return p;
write(STDERR_FILENO, program_invocation_short_name,
strlen(program_invocation_short_name));
write(STDERR_FILENO, oommsg, strlen(oommsg));
written = write(STDERR_FILENO, program_invocation_short_name,
strlen(program_invocation_short_name));
written = write(STDERR_FILENO, oommsg, strlen(oommsg));
abort();
}