zlib 1.2.0.1

minigzip.c

@@ -1,6 +1,7 @@
 /* minigzip.c -- simulate gzip using the zlib compression library
  * Copyright (C) 1995-2002 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h 
+ * Adapted for Z_RLE by Cosmin Truta, 2003.
+ * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
 /*
@@ -147,7 +148,7 @@ int gz_compress_mmap(in, out)
     if (buf_len <= 0) return Z_ERRNO;
 
     /* Now do the actual mmap: */
-    buf = mmap((caddr_t) 0, buf_len, PROT_READ, MAP_SHARED, ifd, (off_t)0); 
+    buf = mmap((caddr_t) 0, buf_len, PROT_READ, MAP_SHARED, ifd, (off_t)0);
     if (buf == (caddr_t)(-1)) return Z_ERRNO;
 
     /* Compress the whole file at once: */
@@ -179,8 +180,8 @@ void gz_uncompress(in, out)
         if (len == 0) break;
 
         if ((int)fwrite(buf, 1, (unsigned)len, out) != len) {
-	    error("failed fwrite");
-	}
+            error("failed fwrite");
+        }
     }
     if (fclose(out)) error("failed fclose");
 
@@ -260,10 +261,11 @@ void file_uncompress(file)
 
 
 /* ===========================================================================
- * Usage:  minigzip [-d] [-f] [-h] [-1 to -9] [files...]
+ * Usage:  minigzip [-d] [-f] [-h] [-r] [-1 to -9] [files...]
  *   -d : decompress
  *   -f : compress with Z_FILTERED
  *   -h : compress with Z_HUFFMAN_ONLY
+ *   -r : compress with Z_RLE
  *   -1 to -9 : compression level
  */
 
@@ -282,16 +284,18 @@ int main(argc, argv)
 
     while (argc > 0) {
       if (strcmp(*argv, "-d") == 0)
-	uncompr = 1;
+        uncompr = 1;
       else if (strcmp(*argv, "-f") == 0)
-	outmode[3] = 'f';
+        outmode[3] = 'f';
       else if (strcmp(*argv, "-h") == 0)
-	outmode[3] = 'h';
+        outmode[3] = 'h';
+      else if (strcmp(*argv, "-r") == 0)
+        outmode[3] = 'R';
       else if ((*argv)[0] == '-' && (*argv)[1] >= '1' && (*argv)[1] <= '9' &&
-	       (*argv)[2] == 0)
-	outmode[2] = (*argv)[1];
+               (*argv)[2] == 0)
+        outmode[2] = (*argv)[1];
       else
-	break;
+        break;
       argc--, argv++;
     }
     if (argc == 0) {
@@ -315,6 +319,5 @@ int main(argc, argv)
             }
         } while (argv++, --argc);
     }
-    exit(0);
-    return 0; /* to avoid warning */
+    return 0;
 }