Changeset 460855d for libwandio

Timestamp:

05/14/13 10:33:25 (8 years ago)

Author:

Shane Alcock <salcock@…>

Branches:

4.0.1-hotfixes, cachetimestamps, develop, dpdk-ndag, etsilive, getfragoff, help, libtrace4, master, ndag_format, pfring, rc-4.0.1, rc-4.0.2, rc-4.0.3, rc-4.0.4, ringdecrementfix, ringperformance, ringtimestampfixes

Children:

0acfd1e

Parents:

c73f536

Message:

• Add an extra byte to the gzip autodetection to decrease the likelihood of genuine data, e.g. the timestamp in the ERF header from an uncompressed trace, accidentally meeting this check

File:

• libwandio/wandio.c (modified) (1 diff)

libwandio/wandio.c

@@ -142 +142 @@
         len = wandio_peek(io, buffer, sizeof(buffer));
         /* Auto detect gzip compressed data */
-        if (len>=2 && buffer[0] == '\037' && buffer[1] == '\213') { 
+        if (len>=3 && buffer[0] == '\037' && buffer[1] == '\213' &&
+                        buffer[2] == 0x08) { 
 #if HAVE_LIBZ
                 DEBUG_PIPELINE("zlib");