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authorSverker Eriksson <[email protected]>2015-10-12 17:00:07 +0200
committerSverker Eriksson <[email protected]>2015-11-26 19:48:10 +0100
commit8421d318090ca59406ef6e04a43af16e1a467d9b (patch)
tree66a6ab06e06170e1b67ec474634f96c13e87f307 /erts/emulator
parent3198ed17179f35b86f7f8ab5c0b9c165d44c1ba6 (diff)
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erts: Fix snprintf in alloc_SUITE for windows
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/test/alloc_SUITE_data/testcase_driver.c47
1 files changed, 21 insertions, 26 deletions
diff --git a/erts/emulator/test/alloc_SUITE_data/testcase_driver.c b/erts/emulator/test/alloc_SUITE_data/testcase_driver.c
index 5b35f581ea..1503fea4cb 100644
--- a/erts/emulator/test/alloc_SUITE_data/testcase_driver.c
+++ b/erts/emulator/test/alloc_SUITE_data/testcase_driver.c
@@ -25,14 +25,25 @@
#include <string.h>
#ifdef __WIN32__
-#undef HAVE_VSNPRINTF
-#define HAVE_VSNPRINTF 1
-#define vsnprintf _vsnprintf
+static void my_vsnprintf(char *outBuf, size_t size, const char *format, va_list ap)
+{
+ _vsnprintf(outBuf, size, format, ap);
+ outBuf[size-1] = 0; /* be sure string is terminated */
+}
+#elif defined(HAVE_VSNPRINTF)
+# define my_vsnprintf(B,S,F,A) (void)vsnprintf(B,S,F,A)
+#else
+# warning Using unsafe 'vsprintf' without buffer overflow protection
+# define my_vsnprintf(B,S,F,A) (void)vsprintf(B,F,A)
#endif
-#ifndef HAVE_VSNPRINTF
-#define HAVE_VSNPRINTF 0
-#endif
+static void my_snprintf(char *outBuf, size_t size, const char *format, ...)
+{
+ va_list ap;
+ va_start(ap, format);
+ my_vsnprintf(outBuf, size, format, ap);
+ va_end(ap);
+}
#define COMMENT_BUF_SZ 4096
@@ -159,11 +170,7 @@ testcase_printf(TestCaseState_t *tcs, char *frmt, ...)
ERL_NIF_TERM msg;
va_list va;
va_start(va, frmt);
-#if HAVE_VSNPRINTF
- vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
-#else
- vsprintf(itcs->comment_buf, frmt, va);
-#endif
+ my_vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
va_end(va);
msg = enif_make_tuple2(msg_env, print_atom,
@@ -181,11 +188,7 @@ void testcase_succeeded(TestCaseState_t *tcs, char *frmt, ...)
InternalTestCaseState_t *itcs = (InternalTestCaseState_t *) tcs;
va_list va;
va_start(va, frmt);
-#if HAVE_VSNPRINTF
- vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
-#else
- vsprintf(itcs->comment_buf, frmt, va);
-#endif
+ my_vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
va_end(va);
itcs->result = TESTCASE_SUCCEEDED;
@@ -199,11 +202,7 @@ void testcase_skipped(TestCaseState_t *tcs, char *frmt, ...)
InternalTestCaseState_t *itcs = (InternalTestCaseState_t *) tcs;
va_list va;
va_start(va, frmt);
-#if HAVE_VSNPRINTF
- vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
-#else
- vsprintf(itcs->comment_buf, frmt, va);
-#endif
+ my_vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
va_end(va);
itcs->result = TESTCASE_SKIPPED;
@@ -226,11 +225,7 @@ void testcase_failed(TestCaseState_t *tcs, char *frmt, ...)
size_t bufsz = sizeof(buf);
va_list va;
va_start(va, frmt);
-#if HAVE_VSNPRINTF
- vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
-#else
- vsprintf(itcs->comment_buf, frmt, va);
-#endif
+ my_vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
va_end(va);
itcs->result = TESTCASE_FAILED;