From e0a2d71eb4aa821428a86b97a03b083f227f524c Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Wed, 14 Nov 2012 13:39:03 +0100
Subject: Add util.c

---
 src/util.c | 12 ++++++++++++
 src/util.h |  7 +++++++
 2 files changed, 19 insertions(+)
 create mode 100644 src/util.c
 create mode 100644 src/util.h

diff --git a/src/util.c b/src/util.c
new file mode 100644
index 0000000..bd4b7b8
--- /dev/null
+++ b/src/util.c
@@ -0,0 +1,12 @@
+void
+pgm_save(unsigned char *buf, int wrap, int xsize, int ysize, char *filename)
+{
+	FILE *f;
+	int i;
+
+	f = fopen(filename, "w");
+	fprintf(f, "P5\n%d %d\n%d\n", xsize, ysize, 255);
+	for(i=0; i < ysize; i++)
+		fwrite(buf + i * wrap, 1, xsize, f);
+	fclose(f);
+}
diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..a58585e
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,7 @@
+#ifndef _UTIL_H_
+#define _UTIL_H_
+
+void
+pgm_save(unsigned char *buf, int wrap, int xsize, int ysize, char *filename);
+
+#endif /* _UTIL_H_ */
-- 
cgit