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authorJohannes Schindelin <Johannes.Schindelin@gmx.de>2007-06-05 03:36:11 +0100
committerJunio C Hamano <gitster@pobox.com>2007-06-15 23:27:23 -0700
commit634cd48a8afdd920fa26c8ec3ae43e96c82c81f2 (patch)
treeef740f010a3a287514ce61583b8e92581621fecf /xdiff-interface.c
parentfa0c87c34471286b6c261c781a45ed090135295c (diff)
downloadgit-634cd48a8afdd920fa26c8ec3ae43e96c82c81f2.tar.gz
Move buffer_is_binary() to xdiff-interface.h
We already have two instances where we want to determine if a buffer contains binary data as opposed to text. [jc: cherry-picked 6bfce93e from 'master'] Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'xdiff-interface.c')
-rw-r--r--xdiff-interface.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/xdiff-interface.c b/xdiff-interface.c
index 10816e95a0..963bb89b08 100644
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -122,4 +122,12 @@ int read_mmfile(mmfile_t *ptr, const char *filename)
return 0;
}
+#define FIRST_FEW_BYTES 8000
+int buffer_is_binary(const char *ptr, unsigned long size)
+{
+ if (FIRST_FEW_BYTES < size)
+ size = FIRST_FEW_BYTES;
+ return !!memchr(ptr, 0, size);
+}
+