X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=rpikern;a=blobdiff_plain;f=src%2Fdebug.c;fp=src%2Fdebug.c;h=241b147c16a7041210bf304de8bbbccddc645712;hp=0000000000000000000000000000000000000000;hb=6da291dc416a718164b5596aa16b1901f2770732;hpb=32ccc707bc0821d7ff4248fe9f58e92e9c6ebef9

diff --git a/src/debug.c b/src/debug.c
new file mode 100644
index 0000000..241b147
--- /dev/null
+++ b/src/debug.c
@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <ctype.h>
+#include "debug.h"
+
+
+void hexdump(void *start, int nbytes)
+{
+	int i, j, nlines;
+	unsigned char *ptr = start;
+	unsigned char *end = ptr + nbytes;
+
+	nlines = (nbytes + 0xf) >> 4;
+
+	for(i=0; i<nlines; i++) {
+		printf("%08x  ", (uint32_t)ptr);
+
+		for(j=0; j<16; j++) {
+			if(ptr + j < end) {
+				printf("%02x ", ptr[j]);
+			} else {
+				printf("   ");
+			}
+			if((j & 7) == 7) putchar(' ');
+		}
+
+		putchar('|');
+		for(j=0; j<16; j++) {
+			if(ptr + j < end) {
+				putchar(isprint(ptr[j]) ? ptr[j] : '.');
+			} else {
+				putchar(' ');
+			}
+		}
+		printf("|\n");
+
+		ptr += 16;
+	}
+}