add stdin_printer test

rofl0r · Feb 16, 2017 · af744d7 · af744d7
1 parent 1de23bb
commit af744d7
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/tests/stdin_printer.c b/tests/stdin_printer.c
@@ -0,0 +1,17 @@
+/* like cat, but processing one line at a time. stdin only. */
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+
+int main() {
+	char buf[1024];
+	while(fgets(buf, sizeof buf, stdin)) {
+		ssize_t l = strlen(buf);
+		ssize_t n = write(1, buf, l);
+		if(n != l) {
+			perror("write");
+			return 1;
+		}
+	}
+	return 0;
+}