Changes in uspace/lib/compress/gzip.c [a35b458:5a6cc679] in mainline

File:

• uspace/lib/compress/gzip.c (modified) (3 diffs)

uspace/lib/compress/gzip.c

@@ -89 +89 @@
         gzip_header_t header;
         gzip_footer_t footer;
-
+        
         if ((srclen < sizeof(header)) || (srclen < sizeof(footer)))
                 return EINVAL;
-
+        
         /* Decode header and footer */
-
+        
         memcpy(&header, src, sizeof(header));
         memcpy(&footer, src + srclen - sizeof(footer), sizeof(footer));
-
+        
         if ((header.id1 != GZIP_ID1) ||
             (header.id2 != GZIP_ID2) ||
@@ -103 +103 @@
             ((header.flags & (~GZIP_FLAGS_MASK)) != 0))
                 return EINVAL;
-
+        
         *destlen = uint32_t_le2host(footer.size);
-
+        
         /* Ignore extra metadata */
-
+        
         void *stream = src + sizeof(header);
         size_t stream_length = srclen - sizeof(header) - sizeof(footer);
-
+        
         if ((header.flags & GZIP_FLAG_FEXTRA) != 0) {
                 uint16_t extra_length;
-
+                
                 if (stream_length < sizeof(extra_length))
                         return EINVAL;
-
+                
                 memcpy(&extra_length, stream, sizeof(extra_length));
                 stream += sizeof(extra_length);
                 stream_length -= sizeof(extra_length);
-
+                
                 if (stream_length < extra_length)
                         return EINVAL;
-
+                
                 stream += extra_length;
                 stream_length -= extra_length;
         }
-
+        
         if ((header.flags & GZIP_FLAG_FNAME) != 0) {
                 while (*((uint8_t *) stream) != 0) {
                         if (stream_length == 0)
                                 return EINVAL;
-
+                        
                         stream++;
                         stream_length--;
                 }
-
+                
                 if (stream_length == 0)
                         return EINVAL;
-
+                
                 stream++;
                 stream_length--;
         }
-
+        
         if ((header.flags & GZIP_FLAG_FCOMMENT) != 0) {
                 while (*((uint8_t *) stream) != 0) {
                         if (stream_length == 0)
                                 return EINVAL;
-
+                        
                         stream++;
                         stream_length--;
                 }
-
+                
                 if (stream_length == 0)
                         return EINVAL;
-
+                
                 stream++;
                 stream_length--;
         }
-
+        
         if ((header.flags & GZIP_FLAG_FHCRC) != 0) {
                 if (stream_length < 2)
                         return EINVAL;
-
+                
                 stream += 2;
                 stream_length -= 2;
         }
-
+        
         /* Allocate output buffer and inflate the data */
-
+        
         *dest = malloc(*destlen);
         if (*dest == NULL)
                 return ENOMEM;
-
+        
         errno_t ret = inflate(stream, stream_length, *dest, *destlen);
         if (ret != EOK) {
@@ -179 +179 @@
                 return ret;
         }
-
+        
         return EOK;
 }