X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=bootsplash;a=blobdiff_plain;f=rle%2Frle.c;fp=rle%2Frle.c;h=4acb24c7ad612dc8a72521f3868f6606e88dcb4d;hp=0000000000000000000000000000000000000000;hb=5731d2abe8e8c4b838f8d1b0eefdc25754f6ad78;hpb=2438014abcc5a367e917a8be9210eb393a676ccb

diff --git a/rle/rle.c b/rle/rle.c
new file mode 100644
index 0000000..4acb24c
--- /dev/null
+++ b/rle/rle.c
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+void emit(int c, int count);
+
+int main(void)
+{
+	int c, lastc, count;
+
+	lastc = -1;
+	count = 0;
+
+	while((c = getchar()) != -1) {
+		if(c == lastc && count < 127) {
+			count++;
+		} else {
+			emit(lastc, count);
+			count = 1;
+			lastc = c;
+		}
+	}
+	emit(lastc, count);
+
+	return 0;
+}
+
+void emit(int c, int count)
+{
+	if(count <= 0 || c < 0) return;
+
+	fprintf(stderr, "emit(%d, %d) -> ", c, count);
+	if(count > 2 || (c & 0x80)) {
+		fprintf(stderr, "%02x %02x\n", (unsigned int)count | 0x80, (unsigned int)c);
+		putchar(count | 0x80);
+		putchar(c);
+	} else {
+		while(count--) {
+			fprintf(stderr, "%02x\n", (unsigned int)c & 0x7f);
+			putchar(c);
+		}
+	}
+}