[Extractor-gtk-cvslog] SF.net SVN: extractor-gtk: [22] trunk/extractor

[<som...@us...>]

Revision: 22
          http://extractor-gtk.svn.sourceforge.net/extractor-gtk/?rev=22&view=rev
Author:   someone-guy
Date:     2007-07-31 19:36:56 -0700 (Tue, 31 Jul 2007)

Log Message:
-----------
Add read_be32 function

Modified Paths:
--------------
    trunk/extractor/helpers.c
    trunk/extractor/helpers.h

Modified: trunk/extractor/helpers.c
===================================================================
--- trunk/extractor/helpers.c	2007-08-01 02:08:45 UTC (rev 21)
+++ trunk/extractor/helpers.c	2007-08-01 02:36:56 UTC (rev 22)
@@ -37,6 +37,13 @@
   return (t[3] << 8 | t[2]) << 16 | (t[1] << 8 | t[0]);
 }
 
+//! read a 32 bit big-endian value from file
+uint32_t read_be32(FILE *f) {
+  unsigned char t[4];
+  fread(t, 4, 1, f);
+  return (t[0] << 8 | t[1]) << 16 | (t[2] << 8 | t[3]);
+}
+
 //! read a 16 bit little-endian value from file
 uint16_t read_le16(FILE *f) {
   unsigned char t[2];

Modified: trunk/extractor/helpers.h
===================================================================
--- trunk/extractor/helpers.h	2007-08-01 02:08:45 UTC (rev 21)
+++ trunk/extractor/helpers.h	2007-08-01 02:36:56 UTC (rev 22)
@@ -3,6 +3,7 @@
 char *read_cstring(FILE *f);
 uint16_t read_le16(FILE *f);
 uint32_t read_le32(FILE *f);
+uint32_t read_be32(FILE *f);
 int fcopy(FILE *in, FILE *out, int len);
 #define TAG(a, b, c, d) ((uint32_t)(a << 8 | b) << 16 | (c << 8 | d))
 


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