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