From: Bastian Dehn <hhaalo@arcor.de>
Date: Sat, 10 Feb 2024 13:44:48 +0000 (+0100)
Subject: add header write bytes
X-Git-Tag: v1.0.0^2~306
X-Git-Url: https://gitweb.hhaalo.de/?a=commitdiff_plain;h=e5c8876feebeb0f848bdecdffa3508143c473d40;p=sane-kds-s2000w-net.git

add header write bytes
---

diff --git a/tools/convert.c b/tools/convert.c
index a6d41a1..82fc05e 100644
--- a/tools/convert.c
+++ b/tools/convert.c
@@ -32,6 +32,25 @@ void write_file(blobdata* output)
 	fptr = NULL;
 }
 
+void printf_header_bytes(const char* data)
+{
+	const int header_spaces = 3;
+	const char space = 0x0a;
+	int space_count = 0;
+	int byte_count = 0;
+
+	while(space_count < header_spaces && byte_count < 50) {
+		printf("%02hhx ", data[byte_count]);
+		if (data[byte_count] == space) {
+			space_count++;
+		}
+
+		byte_count++;
+	}
+
+	printf("\nheader has %i bytes\n", byte_count);
+}
+
 int main(int argc, char* argv[])
 {
 	blobdata input;
@@ -47,6 +66,7 @@ int main(int argc, char* argv[])
 	kds_s2000w_convert_jpg_to_pnm_With_depth(&input, &output, 8);
 	kds_s2000w_convert_terminate();
 
+	printf_header_bytes((const char*) output.data);
 	write_file(&output);
 
 	free(input.data);