From: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue, 10 May 2016 22:05:53 +0000 (+0000)
Subject: tests: add print_quoted_memory function to libtests
X-Git-Tag: v4.12~191
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=72cb81151f2262bc2062cc1cdf7d4a7e768c4b15;p=strace

tests: add print_quoted_memory function to libtests

* tests/print_quoted_string.c (print_quoted_memory): New function.
(print_quoted_string): Use it.
* tests/tests.h (print_quoted_memory): New prototype.
---

diff --git a/tests/print_quoted_string.c b/tests/print_quoted_string.c
index 18a9ccfb..3ad86024 100644
--- a/tests/print_quoted_string.c
+++ b/tests/print_quoted_string.c
@@ -2,6 +2,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 /*
  * Based on string_quote() from util.c.
@@ -10,11 +11,18 @@
 
 void
 print_quoted_string(const char *instr)
+{
+	print_quoted_memory(instr, strlen(instr));
+}
+
+void
+print_quoted_memory(const char *instr, const size_t len)
 {
 	const unsigned char *str = (const unsigned char*) instr;
-	int c;
+	size_t i;
 
-	while ((c = *(str++))) {
+	for (i = 0; i < len; ++i) {
+		const int c = str[i];
 		switch (c) {
 			case '\"':
 				printf("\\\"");
diff --git a/tests/tests.h b/tests/tests.h
index 8c466bfd..9909222f 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -78,9 +78,12 @@ const char *hexquote_strndup(const char *, size_t);
 /* Return inode number of socket descriptor. */
 unsigned long inode_of_sockfd(int);
 
-/* Print string in quoted form. */
+/* Print string in a quoted form. */
 void print_quoted_string(const char *);
 
+/* Print memory in a quoted form. */
+void print_quoted_memory(const char *, size_t);
+
 /* Check whether given uid matches kernel overflowuid. */
 void check_overflowuid(const int);