+
+/*
+ * Dump a block of memory in hex+ascii, for debugging
+ */
+void
+uu_dump(FILE *out, const char *prefix, const void *buf, size_t len)
+{
+ const unsigned char *p = buf;
+ int i;
+
+ for (i = 0; i < len; i += 16) {
+ int j;
+
+ (void) fprintf(out, "%s", prefix);
+ for (j = 0; j < 16 && i + j < len; j++) {
+ (void) fprintf(out, "%2.2x ", p[i + j]);
+ }
+ for (; j < 16; j++) {
+ (void) fprintf(out, " ");
+ }
+ for (j = 0; j < 16 && i + j < len; j++) {
+ (void) fprintf(out, "%c",
+ isprint(p[i + j]) ? p[i + j] : '.');
+ }
+ (void) fprintf(out, "\n");
+ }
+}