[PATCH 1/5] filetype: add Bourne Shell support

[Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>]

Put it at first as it's the most likely to detect

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 common/filetype.c  |    3 +++
 include/filetype.h |    1 +
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/common/filetype.c b/common/filetype.c
index b784bff..4b5a6fa 100644
--- a/common/filetype.c
+++ b/common/filetype.c
@@ -38,6 +38,7 @@ static const char *filetype_str[] = {
 	[filetype_bzip2] = "bzip2 compressed",
 	[filetype_oftree] = "open firmware flat device tree",
 	[filetype_aimage] = "Android boot image",
+	[filetype_sh] = "Bourne Shell",
 };
 
 const char *file_type_to_string(enum filetype f)
@@ -53,6 +54,8 @@ enum filetype file_detect_type(void *_buf)
 	u32 *buf = _buf;
 	u8 *buf8 = _buf;
 
+	if (strncmp(buf8, "#!/bin/sh", 9) == 0)
+		return filetype_sh;
 	if (buf[8] == 0x65726162 && buf[9] == 0x00786f62)
 		return filetype_arm_barebox;
 	if (buf[9] == 0x016f2818 || buf[9] == 0x18286f01)
diff --git a/include/filetype.h b/include/filetype.h
index d0b6226..9338793 100644
--- a/include/filetype.h
+++ b/include/filetype.h
@@ -16,6 +16,7 @@ enum filetype {
 	filetype_bzip2,
 	filetype_oftree,
 	filetype_aimage,
+	filetype_sh,
 };
 
 const char *file_type_to_string(enum filetype f);
-- 
1.7.9.1


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