1 files changed, 48 insertions, 0 deletions
diff --git a/qcom/rmtfs/util.c b/qcom/rmtfs/util.c
new file mode 100644
index 0000000..5ca5bba
--- /dev/null
+++ b/qcom/rmtfs/util.c
@@ -0,0 +1,48 @@
+#include <ctype.h>
+#include <stdint.h>
+#include <stdio.h>
+#include "util.h"
+
+static uint8_t to_hex(uint8_t ch)
+{
+	ch &= 0xf;
+	return ch <= 9 ? '0' + ch : 'a' + ch - 10;
+}
+
+void print_hex_dump(const char *prefix, const void *buf, size_t len)
+{
+	const uint8_t *ptr = buf;
+	size_t linelen;
+	uint8_t ch;
+	char line[16 * 3 + 16 + 1];
+	int li;
+	int i;
+	int j;
+
+	for (i = 0; i < len; i += 16) {
+		linelen = MIN(16, len - i);
+		li = 0;
+
+		for (j = 0; j < linelen; j++) {
+			ch = ptr[i + j];
+			line[li++] = to_hex(ch >> 4);
+			line[li++] = to_hex(ch);
+			line[li++] = ' ';
+		}
+
+		for (; j < 16; j++) {
+			line[li++] = ' ';
+			line[li++] = ' ';
+			line[li++] = ' ';
+		}
+
+		for (j = 0; j < linelen; j++) {
+			ch = ptr[i + j];
+			line[li++] = isprint(ch) ? ch : '.';
+		}
+
+		line[li] = '\0';
+
+		printf("%s %04x: %s\n", prefix, i, line);
+	}
+}