libextractor

commit 6db4d47e934619fade06ee3d454b90f9c6e584e1
parent e01ad6557ad72c1a4196ab7696a03a1c57bb981b
Author: Christian Grothoff <christian@grothoff.org>
Date:   Tue, 19 Jul 2005 10:37:49 +0000

decode buffer of size 0 should return success

Diffstat:
M
src/main/Makefile.am
 | 
11
+++++++++++
M
src/main/extractor.c
 | 
2
+-
A
src/main/test_binary.c
 | 
66
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

3 files changed, 78 insertions(+), 1 deletion(-)
diff --git a/src/main/Makefile.am b/src/main/Makefile.am
@@ -49,3 +49,14 @@ extract_SOURCES = \
   getopt.h \
   getopt1.c 
 
+
+check_PROGRAMS = \
+  test_binary
+
+TESTS = $(check_PROGRAMS)
+
+test_binary_SOURCES = \
+  test_binary.c
+test_binary_LDADD = \
+  $(top_builddir)/src/main/libextractor.la
+
diff --git a/src/main/extractor.c b/src/main/extractor.c
@@ -991,7 +991,7 @@ int EXTRACTOR_binaryDecode(const unsigned char * in,
   if (inSize == 0) {
     *out = NULL;
     *outSize = 0;
-    return 1;
+    return 0;
   }
 
   buf = malloc(inSize); /* slightly more than needed ;-) */
diff --git a/src/main/test_binary.c b/src/main/test_binary.c
@@ -0,0 +1,66 @@
+/*
+     This file is part of libextractor.
+     (C) 2005 Vidyut Samanta and Christian Grothoff
+
+     libextractor is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 2, or (at your
+     option) any later version.
+
+     libextractor is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with libextractor; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+ */
+
+#include "platform.h"
+#include "extractor.h"
+
+static int test(const char * buf,
+		size_t size) {
+  char * enc;
+  unsigned char * dec;
+  size_t out;
+
+  enc = EXTRACTOR_binaryEncode(buf,
+			       size);
+  if (0 != EXTRACTOR_binaryDecode(enc,
+				  &dec,
+				  &out)) {
+    free(enc);
+    return 0;
+  }
+  free(enc);
+  if (out != size) {
+    free(dec);
+    return 0;
+  }
+  if (0 != memcmp(buf,
+		  dec,
+		  size)) {
+    free(dec);
+    return 0;
+  }
+  free(dec);
+  return 1;
+}
+
+int main(int argc,
+	 char * argv[]) {
+  unsigned int i;
+  char buf[2048];
+
+  for (i=0;i<2048;i++) {
+    buf[i] = (char) rand();
+    if (! test(buf, i)) {
+      printf("Failed: %u\n", i);
+      return -1;
+    }
+  }
+  return 0;
+}