Refactor tests.

Refactor tests to use explicit testing assertions, rather than diff'ing
test output.  This makes the test code a bit shorter, more explicitly
encodes testing intent, and makes test failure diagnosis more
straightforward.

3 files changed, 6 insertions, 6 deletions

diff --git a/src/chunk_mmap.c b/src/chunk_mmap.c
index 8a42e75..2056d79 100644
--- a/src/chunk_mmap.c
+++ b/src/chunk_mmap.c
@@ -43,7 +43,7 @@ pages_map(void *addr, size_t size)
 		if (munmap(ret, size) == -1) {
 			char buf[BUFERROR_BUF];
 
-			buferror(buf, sizeof(buf));
+			buferror(get_errno(), buf, sizeof(buf));
 			malloc_printf("<jemalloc: Error in munmap(): %s\n",
 			    buf);
 			if (opt_abort)
@@ -69,7 +69,7 @@ pages_unmap(void *addr, size_t size)
 	{
 		char buf[BUFERROR_BUF];
 
-		buferror(buf, sizeof(buf));
+		buferror(get_errno(), buf, sizeof(buf));
 		malloc_printf("<jemalloc>: Error in "
 #ifdef _WIN32
 		              "VirtualFree"
diff --git a/src/huge.c b/src/huge.c
index aa08d43..443b400 100644
--- a/src/huge.c
+++ b/src/huge.c
@@ -169,7 +169,7 @@ huge_ralloc(void *ptr, size_t oldsize, size_t size, size_t extra,
 			 */
 			char buf[BUFERROR_BUF];
 
-			buferror(buf, sizeof(buf));
+			buferror(get_errno(), buf, sizeof(buf));
 			malloc_printf("<jemalloc>: Error in mremap(): %s\n",
 			    buf);
 			if (opt_abort)
diff --git a/src/util.c b/src/util.c
index 679fa76..d2ca4f2 100644
--- a/src/util.c
+++ b/src/util.c
@@ -77,7 +77,7 @@ malloc_write(const char *s)
  * provide a wrapper.
  */
 int
-buferror(char *buf, size_t buflen)
+buferror(int err, char *buf, size_t buflen)
 {
 
 #ifdef _WIN32
@@ -85,14 +85,14 @@ buferror(char *buf, size_t buflen)
 	    (LPSTR)buf, buflen, NULL);
 	return (0);
 #elif defined(_GNU_SOURCE)
-	char *b = strerror_r(errno, buf, buflen);
+	char *b = strerror_r(err, buf, buflen);
 	if (b != buf) {
 		strncpy(buf, b, buflen);
 		buf[buflen-1] = '\0';
 	}
 	return (0);
 #else
-	return (strerror_r(errno, buf, buflen));
+	return (strerror_r(err, buf, buflen));
 #endif
 }