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pipecmd: fix warn-unused-result warnings (-O2)
[ccan]
/
ccan
/
pipecmd
/
pipecmd.c
diff --git
a/ccan/pipecmd/pipecmd.c
b/ccan/pipecmd/pipecmd.c
index e8aec15b4e7f62993489de618a445439ac06c8c7..22903bb34627b0df674f7c14b78dfe7a7907bb74 100644
(file)
--- a/
ccan/pipecmd/pipecmd.c
+++ b/
ccan/pipecmd/pipecmd.c
@@
-122,7
+122,9
@@
pid_t pipecmdarr(int *fd_fromchild, int *fd_tochild, int *fd_errfromchild,
child_errno_fail:
err = errno;
child_errno_fail:
err = errno;
- write(execfail[1], &err, sizeof(err));
+ /* Gcc's warn-unused-result fail. */
+ if (write(execfail[1], &err, sizeof(err)))
+ ;
exit(127);
}
exit(127);
}