MINOR: tools: make debug_hexdump() take a string prefix
When dumping data at various places in the code, it's hard to figure
what is present where. To make this easier, this patch slightly modifies
debug_hexdump() to take a prefix string which is prepended in front of
each output line.
diff --git a/src/standard.c b/src/standard.c
index 1d76254..82b7a01 100644
--- a/src/standard.c
+++ b/src/standard.c
@@ -3780,16 +3780,18 @@
}
/* displays a <len> long memory block at <buf>, assuming first byte of <buf>
- * has address <baseaddr>. The output is emitted to file <out>.
+ * has address <baseaddr>. String <pfx> may be placed as a prefix in front of
+ * each line. It may be NULL if unused. The output is emitted to file <out>.
*/
-void debug_hexdump(FILE *out, const char *buf, unsigned int baseaddr, int len)
+void debug_hexdump(FILE *out, const char *pfx, const char *buf,
+ unsigned int baseaddr, int len)
{
unsigned int i;
int b, j;
for (i = 0; i < (len + (baseaddr & 15)); i += 16) {
b = i - (baseaddr & 15);
- fprintf(out, "%08x: ", i + (baseaddr & ~15));
+ fprintf(out, "%s%08x: ", pfx ? pfx : "", i + (baseaddr & ~15));
for (j = 0; j < 8; j++) {
if (b + j >= 0 && b + j < len)
fprintf(out, "%02x ", (unsigned char)buf[b + j]);