miniz.c updated to v1.10 - substantial compressor optimizations, fixed minor issue with unsigned long type, added level commmand line option parsing to example3

example1.c

@@ -26,11 +26,13 @@ int main(int argc, char *argv[])
   uint total_succeeded = 0;
   argc, argv;
 
+  printf("miniz.c version: %s\n", MZ_VERSION);
+
   do
   {
     // Allocate buffers to hold compressed and uncompressed data.
-    pCmp = (mz_uint8 *)malloc(cmp_len);
+    pCmp = (mz_uint8 *)malloc((size_t)cmp_len);
-    pUncomp = (mz_uint8 *)malloc(src_len);
+    pUncomp = (mz_uint8 *)malloc((size_t)src_len);
     if ((!pCmp) || (!pUncomp))
     {
       printf("Out of memory!\n");
@@ -81,7 +83,7 @@ int main(int argc, char *argv[])
       printf("Decompressed from %u to %u bytes\n", cmp_len, uncomp_len);
 
       // Ensure uncompress() returned the expected data.
-      if ((uncomp_len != src_len) || (memcmp(pUncomp, s_pStr, src_len)))
+      if ((uncomp_len != src_len) || (memcmp(pUncomp, s_pStr, (size_t)src_len)))
       {
         printf("Decompression failed!\n");
         free(pCmp);

example2.c

@@ -26,6 +26,8 @@ int main(int argc, char *argv[])
   mz_zip_archive zip_archive; 
   void *p;
 
+  printf("miniz.c version: %s\n", MZ_VERSION);
+
   argc, argv;
 
   // Append a bunch of text files to test.zip

example3.c

@@ -19,20 +19,73 @@ int main(int argc, char *argv[])
   const char *pMode;
   FILE *pInfile, *pOutfile;
   uint infile_size;
+  int level = Z_BEST_COMPRESSION;
   z_stream stream;
+  int n = 1;
+  const char *pSrc_filename;
+  const char *pDst_filename;
     
-  if (argc != 4)
+  printf("miniz.c version: %s\n", MZ_VERSION);
+
+  if (argc < 4)
   {
-    printf("Usage: example3 [c/d] infile outfile\n");
+    printf("Usage: example3 [options] [mode:c or d] infile outfile\n");
+    printf("\nModes:\n");
     printf("c - Compresses file infile to a zlib stream in file outfile\n");
     printf("d - Decompress zlib stream in file infile to file outfile\n");
+    printf("\nOptions:\n");
+    printf("-l[0-10] - Compression level, higher values are slower.\n");
     return EXIT_FAILURE;
   }
 
-  pMode = argv[1];
+  while ((n < argc) && (argv[n][0] == '-'))
+  {
+    switch (argv[n][1])
+    {
+      case 'l':
+      {
+        level = atoi(&argv[1][2]);
+        if ((level < 0) || (level > 10))
+        {
+          printf("Invalid level!\n");
+          return EXIT_FAILURE;
+        }
+        break;
+      }
+      default:
+      {
+        printf("Invalid option: %s\n", argv[n]);
+        return EXIT_FAILURE;
+      }
+    }
+    n++;
+  }
+
+  if ((argc - n) < 3)
+  {
+    printf("Must specify mode, input filename, and output filename after options!\n");
+    return EXIT_FAILURE;
+  }
+  else if ((argc - n) > 3)
+  {
+    printf("Too many filenames!\n");
+    return EXIT_FAILURE;
+  }
+  
+  pMode = argv[n++];
+  if (!strchr("cCdD", pMode[0]))
+  {
+    printf("Invalid mode!\n");
+    return EXIT_FAILURE;
+  }
+
+  pSrc_filename = argv[n++];
+  pDst_filename = argv[n++];
+
+  printf("Mode: %c, Level: %u\nInput File: \"%s\"\nOutput File: \"%s\"\n", pMode[0], level, pSrc_filename, pDst_filename);
       
   // Open input file.
-  pInfile = fopen(argv[2], "rb");
+  pInfile = fopen(pSrc_filename, "rb");
   if (!pInfile)
   {
     printf("Failed opening input file!\n");
@@ -45,7 +98,7 @@ int main(int argc, char *argv[])
   fseek(pInfile, 0, SEEK_SET);
 
   // Open output file.
-  pOutfile = fopen(argv[3], "wb");
+  pOutfile = fopen(pDst_filename, "wb");
   if (!pOutfile)
   {
     printf("Failed opening output file!\n");
@@ -66,7 +119,7 @@ int main(int argc, char *argv[])
     // Compression.
     uint infile_remaining = infile_size;
 
-    if (deflateInit(&stream, Z_BEST_COMPRESSION) != Z_OK)
+    if (deflateInit(&stream, level) != Z_OK)
     {
       printf("deflateInit() failed!\n");
       return EXIT_FAILURE;
@@ -90,7 +143,7 @@ int main(int argc, char *argv[])
         stream.avail_in = n;
         
         infile_remaining -= n;
-        printf("Input bytes remaining: %u\n", infile_remaining);
+        //printf("Input bytes remaining: %u\n", infile_remaining);
       }
 
       status = deflate(&stream, infile_remaining ? Z_NO_FLUSH : Z_FINISH);

tinfl.c

@@ -1,5 +1,5 @@
-/* tinfl.c v1.09 - public domain inflate with zlib header parsing/adler32 checking (inflate-only subset of miniz.c)
+/* tinfl.c v1.10 - public domain inflate with zlib header parsing/adler32 checking (inflate-only subset of miniz.c)
-   Rich Geldreich <richgel99@gmail.com>, last updated May 15, 2011
+   Rich Geldreich <richgel99@gmail.com>, last updated May 20, 2011
    Implements RFC 1950: http://www.ietf.org/rfc/rfc1950.txt and RFC 1951: http://www.ietf.org/rfc/rfc1951.txt
 
    The entire decompressor coroutine is implemented in tinfl_decompress(). The other functions are optional high-level helpers.