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 LPCSTR debugstr_an (LPCSTR src, int n)
59 if (!src) return "(null)";
61 dst = res = gimme1 (n * 4 + 6);
63 while (n-- > 0 && *src)
68 case '\n': *dst++ = '\\'; *dst++ = 'n'; break;
69 case '\r': *dst++ = '\\'; *dst++ = 'r'; break;
70 case '\t': *dst++ = '\\'; *dst++ = 't'; break;
71 case '"': *dst++ = '\\'; *dst++ = '"'; break;
72 case '\\': *dst++ = '\\'; *dst++ = '\\'; break;
74 if (c >= ' ' && c <= 126)
79 *dst++ = '0' + ((c >> 6) & 7);
80 *dst++ = '0' + ((c >> 3) & 7);
81 *dst++ = '0' + ((c >> 0) & 7);
96 /* ---------------------------------------------------------------------- */
98 LPCSTR debugstr_wn (LPCWSTR src, int n)
102 if (!src) return "(null)";
104 dst = res = gimme1 (n * 5 + 7);
107 while (n-- > 0 && *src)
112 case '\n': *dst++ = '\\'; *dst++ = 'n'; break;
113 case '\r': *dst++ = '\\'; *dst++ = 'r'; break;
114 case '\t': *dst++ = '\\'; *dst++ = 't'; break;
115 case '"': *dst++ = '\\'; *dst++ = '"'; break;
116 case '\\': *dst++ = '\\'; *dst++ = '\\'; break;
118 if (c >= ' ' && c <= 126)
123 sprintf(dst,"%04x",c);
139 /* ---------------------------------------------------------------------- */
140 /* This routine returns a nicely formated name of the resource res
141 If the resource name is a string, it will return '<res-name>'
142 If it is a number, it will return #<4-digit-hex-number> */
143 LPCSTR debugres_a( LPCSTR res )
146 if (HIWORD(res)) return debugstr_a(res);
148 sprintf(resname, "#%04x", LOWORD(res) );
152 LPCSTR debugres_w( LPCWSTR res )
155 if (HIWORD(res)) return debugstr_w(res);
157 sprintf( resname, "#%04x", LOWORD(res) );
161 /* ---------------------------------------------------------------------- */
163 LPCSTR debugstr_guid( const GUID *id )
167 if (!id) return "(null)";
171 sprintf( str, "<guid-0x%04x>", LOWORD(id) );
176 sprintf( str, "{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
177 id->Data1, id->Data2, id->Data3,
178 id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
179 id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7] );
184 /* ---------------------------------------------------------------------- */
186 int dbg_vprintf( const char *format, va_list args )
188 struct debug_info *info = get_info();
190 int ret = vsprintf( info->out_pos, format, args );
191 char *p = strrchr( info->out_pos, '\n' );
192 if (!p) info->out_pos += ret;
195 char *pos = info->output;
197 write( 2, pos, p - pos );
198 /* move beginning of next line to start of buffer */
199 while ((*pos = *p++)) pos++;
205 /* ---------------------------------------------------------------------- */
207 int dbg_printf(const char *format, ...)
212 va_start(valist, format);
213 ret = dbg_vprintf( format, valist);
219 /*--< Function >---------------------------------------------------------
224 ** This function creates a hex dump, with a readable ascii
225 ** section, for displaying memory.
228 ** 1. ptr Pointer to memory
229 ** 2. len How much to dump.
232 ** Temporarily allocated buffer, with the hex dump in it.
233 ** Don't rely on this pointer being around for very long, just
234 ** long enough to use it in a TRACE statement; e.g.:
235 ** TRACE("struct dump is \n%s", debugstr_hex_dump(&x, sizeof(x)));
237 **-------------------------------------------------------------------------*/
238 LPCSTR debugstr_hex_dump (const void *ptr, int len)
250 /* Begin function dbg_hex_dump */
252 /*-----------------------------------------------------------------------
253 ** Allocate an output buffer
254 ** A reasonable value is one line overhand (80 chars), and
255 ** then one line (80) for every 16 bytes.
256 **---------------------------------------------------------------------*/
257 outptr = dst = gimme1 ((len * (80 / 16)) + 80);
259 /*-----------------------------------------------------------------------
260 ** Loop throught the input buffer, one character at a time
261 **---------------------------------------------------------------------*/
262 for (i = 0, p = ptr; (i < len); i++, p++)
265 /*-------------------------------------------------------------------
266 ** If we're just starting a line,
267 ** we need to possibly flush the old line, and then
268 ** intialize the line buffer.
269 **-----------------------------------------------------------------*/
274 sprintf(outptr, " %-43.43s %-16.16s\n", dumpbuf, charbuf);
275 outptr += strlen(outptr);
277 sprintf (dumpbuf, "%04x: ", i);
278 strcpy (charbuf, "");
281 /*-------------------------------------------------------------------
282 ** Add the current data byte to the dump section.
283 **-----------------------------------------------------------------*/
284 nosign = (unsigned char) *p;
285 sprintf (tempbuf, "%02X", nosign);
287 /*-------------------------------------------------------------------
288 ** If we're two DWORDS through, add a hyphen for readability,
289 ** if it's a DWORD boundary, add a space for more
291 **-----------------------------------------------------------------*/
293 strcat(tempbuf, " - ");
294 else if ( (i % 4) == 3)
295 strcat(tempbuf, " ");
296 strcat (dumpbuf, tempbuf);
298 /*-------------------------------------------------------------------
299 ** Add the current byte to the character display part of the
301 **-----------------------------------------------------------------*/
302 sprintf (tempbuf, "%c", isprint(*p) ? *p : '.');
303 strcat (charbuf, tempbuf);
306 /*-----------------------------------------------------------------------
307 ** Flush the last line, if any
308 **---------------------------------------------------------------------*/
311 sprintf(outptr, " %-43.43s %-16.16s\n", dumpbuf, charbuf);
312 outptr += strlen(outptr);
316 } /* End function dbg_hex_dump */