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/*
* Debugging routines used by the debug() macros, at least if you
* compiled with -DDEBUG (aka the PUTTY_DEBUG cmake option) so that
* those macros don't optimise down to nothing.
*/
#include "defs.h"
#include "misc.h"
#include "utils/utils.h"
void debug_printf(const char *fmt, ...)
{
char *buf;
va_list ap;
va_start(ap, fmt);
buf = dupvprintf(fmt, ap);
dputs(buf);
sfree(buf);
va_end(ap);
}
void debug_memdump(const void *buf, int len, bool L)
{
int i;
const unsigned char *p = buf;
char foo[17];
if (L) {
int delta;
debug_printf("\t%d (0x%x) bytes:\n", len, len);
delta = 15 & (uintptr_t)p;
p -= delta;
len += delta;
}
for (; 0 < len; p += 16, len -= 16) {
dputs(" ");
if (L)
debug_printf("%p: ", p);
strcpy(foo, "................"); /* sixteen dots */
for (i = 0; i < 16 && i < len; ++i) {
if (&p[i] < (unsigned char *) buf) {
dputs(" "); /* 3 spaces */
foo[i] = ' ';
} else {
debug_printf("%c%2.2x",
&p[i] != (unsigned char *) buf
&& i % 4 ? '.' : ' ', p[i]
);
if (p[i] >= ' ' && p[i] <= '~')
foo[i] = (char) p[i];
}
}
foo[i] = '\0';
debug_printf("%*s%s\n", (16 - i) * 3 + 2, "", foo);
}
}
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