Fix longmatch test build errors.

tests/longmatch.c

@@ -6,29 +6,35 @@
 #include <stdlib.h>
 #include <stdint.h>
 
-void compress(ZSTD_CStream *ctx, ZSTD_outBuffer out, const void *data, size_t size) {
+int compress(ZSTD_CStream *ctx, ZSTD_outBuffer out, const void *data, size_t size) {
   ZSTD_inBuffer in = { data, size, 0 };
   while (in.pos < in.size) {
     ZSTD_outBuffer tmp = out;
     const size_t rc = ZSTD_compressStream(ctx, &tmp, &in);
     if (ZSTD_isError(rc)) {
-      exit(5);
+      return 1;
     }
   }
-  ZSTD_outBuffer tmp = out;
-  const size_t rc = ZSTD_flushStream(ctx, &tmp);
-  if (rc != 0) { exit(6); }
+  {
+    ZSTD_outBuffer tmp = out;
+    const size_t rc = ZSTD_flushStream(ctx, &tmp);
+    if (rc != 0) { return 1; }
+  }
+  return 0;
 }
 
-int main() {
+int main(int argc, const char** argv) {
   ZSTD_CStream *ctx;
-  ZSTD_parameters params = {};
+  ZSTD_parameters params;
   size_t rc;
   unsigned windowLog;
+  (void)argc;
+  (void)argv;
   /* Create stream */
   ctx = ZSTD_createCStream();
   if (!ctx) { return 1; }
   /* Set parameters */
+  memset(&params, 0, sizeof(params));
   params.cParams.windowLog = 18;
   params.cParams.chainLog = 13;
   params.cParams.hashLog = 14;
@@ -50,25 +56,31 @@ int main() {
     ZSTD_outBuffer out = { dstBuffer, ZSTD_compressBound(1 << windowLog), 0 };
     const char match[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
     const size_t randomData = (1 << windowLog) - 2*sizeof(match);
-    for (size_t i = 0; i < sizeof(match); ++i) {
+    size_t i;
+    for (i = 0; i < sizeof(match); ++i) {
       srcBuffer[i] = match[i];
     }
-    for (size_t i = 0; i < randomData; ++i) {
+    for (i = 0; i < randomData; ++i) {
       srcBuffer[sizeof(match) + i] = (char)(rand() & 0xFF);
     }
-    for (size_t i = 0; i < sizeof(match); ++i) {
+    for (i = 0; i < sizeof(match); ++i) {
       srcBuffer[sizeof(match) + randomData + i] = match[i];
     }
-    compress(ctx, out, srcBuffer, size);
+    if (compress(ctx, out, srcBuffer, size)) {
+      return 1;
+    }
     compressed += size;
     while (compressed < toCompress) {
       const size_t block = rand() % (size - pos + 1);
       if (pos == size) { pos = 0; }
-      compress(ctx, out, srcBuffer + pos, block);
+      if (compress(ctx, out, srcBuffer + pos, block)) {
+        return 1;
+      }
       pos += block;
       compressed += block;
     }
     free(srcBuffer);
     free(dstBuffer);
   }
+  return 0;
 }