7 #include "debugtools.h"
11 /* ---------------------------------------------------------------------- */
15 char *str_pos; /* current position in strings buffer */
16 char *out_pos; /* current position in output buffer */
17 char strings[500]; /* buffer for temporary strings */
18 char output[500]; /* current output line */
21 static struct debug_info tmp;
23 static inline struct debug_info *get_info(void)
25 struct debug_info *info = NtCurrentTeb()->debug_info;
28 /* setup the temp structure in case HeapAlloc wants to print something */
29 NtCurrentTeb()->debug_info = &tmp;
30 tmp.str_pos = tmp.strings;
31 tmp.out_pos = tmp.output;
32 info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info) );
33 info->str_pos = info->strings;
34 info->out_pos = info->output;
35 NtCurrentTeb()->debug_info = info;
40 /* ---------------------------------------------------------------------- */
45 struct debug_info *info = get_info();
46 char *res = info->str_pos;
48 if (res + n >= &info->strings[sizeof(info->strings)]) res = info->strings;
49 info->str_pos = res + n;
53 /* ---------------------------------------------------------------------- */
55 /* release extra space that we requested in gimme1() */
56 static inline void release( void *ptr )
58 struct debug_info *info = NtCurrentTeb()->debug_info;
62 /* ---------------------------------------------------------------------- */
64 LPCSTR debugstr_an (LPCSTR src, int n)
68 if (!src) return "(null)";
70 dst = res = gimme1 (n * 4 + 6);
72 while (n-- > 0 && *src)
77 case '\n': *dst++ = '\\'; *dst++ = 'n'; break;
78 case '\r': *dst++ = '\\'; *dst++ = 'r'; break;
79 case '\t': *dst++ = '\\'; *dst++ = 't'; break;
80 case '"': *dst++ = '\\'; *dst++ = '"'; break;
81 case '\\': *dst++ = '\\'; *dst++ = '\\'; break;
83 if (c >= ' ' && c <= 126)
88 *dst++ = '0' + ((c >> 6) & 7);
89 *dst++ = '0' + ((c >> 3) & 7);
90 *dst++ = '0' + ((c >> 0) & 7);
106 /* ---------------------------------------------------------------------- */
108 LPCSTR debugstr_wn (LPCWSTR src, int n)
112 if (!src) return "(null)";
114 dst = res = gimme1 (n * 5 + 7);
117 while (n-- > 0 && *src)
122 case '\n': *dst++ = '\\'; *dst++ = 'n'; break;
123 case '\r': *dst++ = '\\'; *dst++ = 'r'; break;
124 case '\t': *dst++ = '\\'; *dst++ = 't'; break;
125 case '"': *dst++ = '\\'; *dst++ = '"'; break;
126 case '\\': *dst++ = '\\'; *dst++ = '\\'; break;
128 if (c >= ' ' && c <= 126)
133 sprintf(dst,"%04x",c);
150 /* ---------------------------------------------------------------------- */
151 /* This routine returns a nicely formated name of the resource res
152 If the resource name is a string, it will return '<res-name>'
153 If it is a number, it will return #<4-digit-hex-number> */
154 LPCSTR debugres_a( LPCSTR res )
157 if (HIWORD(res)) return debugstr_a(res);
159 sprintf(resname, "#%04x", LOWORD(res) );
163 LPCSTR debugres_w( LPCWSTR res )
166 if (HIWORD(res)) return debugstr_w(res);
168 sprintf( resname, "#%04x", LOWORD(res) );
172 /* ---------------------------------------------------------------------- */
174 LPCSTR debugstr_guid( const GUID *id )
178 if (!id) return "(null)";
182 sprintf( str, "<guid-0x%04x>", LOWORD(id) );
187 sprintf( str, "{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
188 id->Data1, id->Data2, id->Data3,
189 id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
190 id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7] );
195 /* ---------------------------------------------------------------------- */
197 int dbg_vprintf( const char *format, va_list args )
199 struct debug_info *info = get_info();
201 int ret = vsprintf( info->out_pos, format, args );
202 char *p = strrchr( info->out_pos, '\n' );
203 if (!p) info->out_pos += ret;
206 char *pos = info->output;
208 write( 2, pos, p - pos );
209 /* move beginning of next line to start of buffer */
210 while ((*pos = *p++)) pos++;
216 /* ---------------------------------------------------------------------- */
218 int dbg_printf(const char *format, ...)
223 va_start(valist, format);
224 ret = dbg_vprintf( format, valist);
230 /*--< Function >---------------------------------------------------------
235 ** This function creates a hex dump, with a readable ascii
236 ** section, for displaying memory.
239 ** 1. ptr Pointer to memory
240 ** 2. len How much to dump.
243 ** Temporarily allocated buffer, with the hex dump in it.
244 ** Don't rely on this pointer being around for very long, just
245 ** long enough to use it in a TRACE statement; e.g.:
246 ** TRACE("struct dump is \n%s", debugstr_hex_dump(&x, sizeof(x)));
248 **-------------------------------------------------------------------------*/
249 LPCSTR debugstr_hex_dump (const void *ptr, int len)
261 /* Begin function dbg_hex_dump */
263 /*-----------------------------------------------------------------------
264 ** Allocate an output buffer
265 ** A reasonable value is one line overhand (80 chars), and
266 ** then one line (80) for every 16 bytes.
267 **---------------------------------------------------------------------*/
268 outptr = dst = gimme1 ((len * (80 / 16)) + 80);
270 /*-----------------------------------------------------------------------
271 ** Loop throught the input buffer, one character at a time
272 **---------------------------------------------------------------------*/
273 for (i = 0, p = ptr; (i < len); i++, p++)
276 /*-------------------------------------------------------------------
277 ** If we're just starting a line,
278 ** we need to possibly flush the old line, and then
279 ** intialize the line buffer.
280 **-----------------------------------------------------------------*/
285 sprintf(outptr, " %-43.43s %-16.16s\n", dumpbuf, charbuf);
286 outptr += strlen(outptr);
288 sprintf (dumpbuf, "%04x: ", i);
289 strcpy (charbuf, "");
292 /*-------------------------------------------------------------------
293 ** Add the current data byte to the dump section.
294 **-----------------------------------------------------------------*/
295 nosign = (unsigned char) *p;
296 sprintf (tempbuf, "%02X", nosign);
298 /*-------------------------------------------------------------------
299 ** If we're two DWORDS through, add a hyphen for readability,
300 ** if it's a DWORD boundary, add a space for more
302 **-----------------------------------------------------------------*/
304 strcat(tempbuf, " - ");
305 else if ( (i % 4) == 3)
306 strcat(tempbuf, " ");
307 strcat (dumpbuf, tempbuf);
309 /*-------------------------------------------------------------------
310 ** Add the current byte to the character display part of the
312 **-----------------------------------------------------------------*/
313 sprintf (tempbuf, "%c", isprint(*p) ? *p : '.');
314 strcat (charbuf, tempbuf);
317 /*-----------------------------------------------------------------------
318 ** Flush the last line, if any
319 **---------------------------------------------------------------------*/
322 sprintf(outptr, " %-43.43s %-16.16s\n", dumpbuf, charbuf);
323 outptr += strlen(outptr);
327 } /* End function dbg_hex_dump */