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#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "debugstr.h"
#include "debugtools.h"
#include "xmalloc.h"
/* ---------------------------------------------------------------------- */
#define SAVE_STRING_COUNT 50
static void *strings[SAVE_STRING_COUNT];
static int nextstring;
/* ---------------------------------------------------------------------- */
static void *
gimme1 (int n)
{
void *res;
if (strings[nextstring]) free (strings[nextstring]);
res = strings[nextstring] = xmalloc (n);
if (++nextstring == SAVE_STRING_COUNT) nextstring = 0;
return res;
}
/* ---------------------------------------------------------------------- */
LPSTR
debugstr_an (LPCSTR src, int n)
{
LPSTR dst, res;
if (!src) return "(null)";
if (n < 0) n = 0;
dst = res = gimme1 (n * 4 + 6);
*dst++ = '"';
while (n-- > 0 && *src)
{
BYTE c = *src++;
switch (c)
{
case '\n': *dst++ = '\\'; *dst++ = 'n'; break;
case '\r': *dst++ = '\\'; *dst++ = 'r'; break;
case '\t': *dst++ = '\\'; *dst++ = 't'; break;
case '"': *dst++ = '\\'; *dst++ = '"'; break;
case '\\': *dst++ = '\\'; *dst++ = '\\'; break;
default:
if (c >= ' ' && c <= 126)
*dst++ = c;
else
{
*dst++ = '\\';
*dst++ = '0' + ((c >> 6) & 7);
*dst++ = '0' + ((c >> 3) & 7);
*dst++ = '0' + ((c >> 0) & 7);
}
}
}
*dst++ = '"';
if (*src)
{
*dst++ = '.';
*dst++ = '.';
*dst++ = '.';
}
*dst = '\0';
return res;
}
/* ---------------------------------------------------------------------- */
LPSTR
debugstr_a (LPCSTR s)
{
return debugstr_an (s, 80);
}
/* ---------------------------------------------------------------------- */
LPSTR
debugstr_wn (LPCWSTR src, int n)
{
LPSTR dst, res;
if (!src) return "(null)";
if (n < 0) n = 0;
dst = res = gimme1 (n * 5 + 7);
*dst++ = 'L';
*dst++ = '"';
while (n-- > 0 && *src)
{
WORD c = *src++;
switch (c)
{
case '\n': *dst++ = '\\'; *dst++ = 'n'; break;
case '\r': *dst++ = '\\'; *dst++ = 'r'; break;
case '\t': *dst++ = '\\'; *dst++ = 't'; break;
case '"': *dst++ = '\\'; *dst++ = '"'; break;
case '\\': *dst++ = '\\'; *dst++ = '\\'; break;
default:
if (c >= ' ' && c <= 126)
*dst++ = c;
else
{
*dst++ = '\\';
sprintf(dst,"%04x",c);
dst+=4;
}
}
}
*dst++ = '"';
if (*src)
{
*dst++ = '.';
*dst++ = '.';
*dst++ = '.';
}
*dst = '\0';
return res;
}
/* ---------------------------------------------------------------------- */
LPSTR
debugstr_w (LPCWSTR s)
{
return debugstr_wn (s, 80);
}
/* ---------------------------------------------------------------------- */
/* This routine returns a nicely formated name of the resource res
If the resource name is a string, it will return '<res-name>'
If it is a number, it will return #<4-digit-hex-number> */
LPSTR debugres_a( LPCSTR res )
{
char resname[10];
if (HIWORD(res)) return debugstr_a(res);
sprintf(resname, "#%04x", LOWORD(res));
return debugstr_a (resname);
}
LPSTR debugres_w( LPCWSTR res )
{
char resname[10];
if (HIWORD(res)) return debugstr_w(res);
sprintf(resname, "#%04x", LOWORD(res));
return debugstr_a (resname);
}
/* ---------------------------------------------------------------------- */
void debug_dumpstr (LPCSTR s)
{
fputc ('"', stderr);
while (*s)
{
switch (*s)
{
case '\\':
case '"':
fputc ('\\', stderr);
fputc (*s, stderr);
break;
case '\n':
fputc ('\\', stderr);
fputc ('n', stderr);
break;
case '\r':
fputc ('\\', stderr);
fputc ('r', stderr);
break;
case '\t':
fputc ('\\', stderr);
fputc ('t', stderr);
break;
default:
if (*s<' ')
fprintf (stderr, "\\0x%02x", *s);
else
fputc (*s, stderr);
}
s++;
}
fputc ('"', stderr);
}
/* ---------------------------------------------------------------------- */
int dbg_printf(const char *format, ...)
{
int ret;
va_list valist;
va_start(valist, format);
ret = vfprintf(stderr, format, valist);
va_end(valist);
return ret;
}
/*--< Function >---------------------------------------------------------
**
** debugstr_hex_dump
**
** Description:
** This function creates a hex dump, with a readable ascii
** section, for displaying memory.
**
** Parameters:
** 1. ptr Pointer to memory
** 2. len How much to dump.
**
** Returns:
** Temporarily allocated buffer, with the hex dump in it.
** Don't rely on this pointer being around for very long, just
** long enough to use it in a TRACE statement; e.g.:
** TRACE("struct dump is \n%s", debugstr_hex_dump(&x, sizeof(x)));
**
**-------------------------------------------------------------------------*/
LPSTR
debugstr_hex_dump (const void *ptr, int len)
{
/* Locals */
char dumpbuf[59];
char charbuf[20];
char tempbuf[8];
const char *p;
int i;
unsigned int nosign;
LPSTR dst;
LPSTR outptr;
/* Begin function dbg_hex_dump */
/*-----------------------------------------------------------------------
** Allocate an output buffer
** A reasonable value is one line overhand (80 chars), and
** then one line (80) for every 16 bytes.
**---------------------------------------------------------------------*/
outptr = dst = gimme1 ((len * (80 / 16)) + 80);
/*-----------------------------------------------------------------------
** Loop throught the input buffer, one character at a time
**---------------------------------------------------------------------*/
for (i = 0, p = ptr; (i < len); i++, p++)
{
/*-------------------------------------------------------------------
** If we're just starting a line,
** we need to possibly flush the old line, and then
** intialize the line buffer.
**-----------------------------------------------------------------*/
if ((i % 16) == 0)
{
if (i)
{
sprintf(outptr, " %-43.43s %-16.16s\n", dumpbuf, charbuf);
outptr += strlen(outptr);
}
sprintf (dumpbuf, "%04x: ", i);
strcpy (charbuf, "");
}
/*-------------------------------------------------------------------
** Add the current data byte to the dump section.
**-----------------------------------------------------------------*/
nosign = (unsigned char) *p;
sprintf (tempbuf, "%02X", nosign);
/*-------------------------------------------------------------------
** If we're two DWORDS through, add a hyphen for readability,
** if it's a DWORD boundary, add a space for more
** readability.
**-----------------------------------------------------------------*/
if ((i % 16) == 7)
strcat(tempbuf, " - ");
else if ( (i % 4) == 3)
strcat(tempbuf, " ");
strcat (dumpbuf, tempbuf);
/*-------------------------------------------------------------------
** Add the current byte to the character display part of the
** hex dump
**-----------------------------------------------------------------*/
sprintf (tempbuf, "%c", isprint(*p) ? *p : '.');
strcat (charbuf, tempbuf);
}
/*-----------------------------------------------------------------------
** Flush the last line, if any
**---------------------------------------------------------------------*/
if (i > 0)
{
sprintf(outptr, " %-43.43s %-16.16s\n", dumpbuf, charbuf);
outptr += strlen(outptr);
}
return(dst);
} /* End function dbg_hex_dump */
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