* test/proc_child.c (main): Avoid gcc -Wunused-result warning with

notroj · notroj · commit cbd0a18183cb · 2021-07-06T12:22:40.000Z
write() return value. git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@1891310 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/test/proc_child.c b/test/proc_child.c
@@ -11,11 +11,11 @@
 int main(void)
 {
     char buf[256];
-    int bytes;
+    int bytes, rv = 0;
     
     bytes = (int)read(STDIN_FILENO, buf, 256);
     if (bytes > 0)
-        write(STDOUT_FILENO, buf, (unsigned int)bytes);
+        rv = write(STDOUT_FILENO, buf, (unsigned int)bytes) == bytes ? 0 : 1;
 
-    return 0; /* just to keep the compiler happy */
+    return rv;
 }

Original file line number	Diff line number	Diff line change
`@@ -11,11 +11,11 @@`
`11`	`11`	`int main(void)`
`12`	`12`	`{`
`13`	`13`	`char buf[256];`
`14`		`- int bytes;`
	`14`	`+ int bytes, rv = 0;`
`15`	`15`
`16`	`16`	`bytes = (int)read(STDIN_FILENO, buf, 256);`
`17`	`17`	`if (bytes > 0)`
`18`		`- write(STDOUT_FILENO, buf, (unsigned int)bytes);`
	`18`	`+ rv = write(STDOUT_FILENO, buf, (unsigned int)bytes) == bytes ? 0 : 1;`
`19`	`19`
`20`		`- return 0; /* just to keep the compiler happy */`
	`20`	`+ return rv;`
`21`	`21`	`}`