Annotation of parser3/src/main/pa_common.C, revision 1.230
1.15 paf 1: /** @file
1.16 paf 2: Parser: commonly functions.
3:
1.205 paf 4: Copyright(c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com)
1.101 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.16 paf 6:
1.210 paf 7: * BASE64 part
8: * Authors: Michael Zucchi <notzed@ximian.com>
9: * Jeffrey Stedfast <fejj@ximian.com>
10: *
11: * Copyright 2000-2004 Ximian, Inc. (www.ximian.com)
12: *
13: * This program is free software; you can redistribute it and/or modify
14: * it under the terms of the GNU General Public License as published by
15: * the Free Software Foundation; either version 2 of the License, or
16: * (at your option) any later version.
17: *
18: * This program is distributed in the hope that it will be useful,
19: * but WITHOUT ANY WARRANTY; without even the implied warranty of
20: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21: * GNU General Public License for more details.
22: *
23: * You should have received a copy of the GNU General Public License
24: * along with this program; if not, write to the Free Software
25: * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
26: *
27: */
28:
1.230 ! misha 29: static const char * const IDENT_COMMON_C="$Date: 2008-05-22 17:29:30 $";
1.1 paf 30:
31: #include "pa_common.h"
1.4 paf 32: #include "pa_exception.h"
1.154 paf 33: #include "pa_hash.h"
1.14 paf 34: #include "pa_globals.h"
1.154 paf 35: #include "pa_charsets.h"
1.214 paf 36: #include "pa_http.h"
1.223 misha 37: #include "pa_request_charsets.h"
1.98 paf 38:
1.93 paf 39: // some maybe-undefined constants
40:
1.82 paf 41: #ifndef _O_TEXT
42: # define _O_TEXT 0
43: #endif
44: #ifndef _O_BINARY
45: # define _O_BINARY 0
1.47 paf 46: #endif
1.80 paf 47:
1.138 paf 48: #ifdef HAVE_FTRUNCATE
49: # define PA_O_TRUNC 0
50: #else
51: # ifdef _O_TRUNC
52: # define PA_O_TRUNC _O_TRUNC
53: # else
54: # error you must have either ftruncate function or _O_TRUNC bit declared
55: # endif
1.154 paf 56: #endif
1.176 paf 57:
1.154 paf 58: // defines for globals
59:
60: #define FILE_STATUS_NAME "status"
61:
62: // globals
63:
64: const String file_status_name(FILE_STATUS_NAME);
65:
66: // functions
1.127 paf 67:
1.154 paf 68: void fix_line_breaks(char *str, size_t& length) {
1.87 paf 69: //_asm int 3;
1.154 paf 70: const char* const eob=str+length;
71: char* dest=str;
1.72 parser 72: // fix DOS: \r\n -> \n
73: // fix Macintosh: \r -> \n
1.154 paf 74: char* bol=str;
1.137 paf 75: while(char* eol=(char*)memchr(bol, '\r', eob -bol)) {
1.72 parser 76: size_t len=eol-bol;
77: if(dest!=bol)
1.126 paf 78: memcpy(dest, bol, len);
1.72 parser 79: dest+=len;
1.126 paf 80: *dest++='\n';
1.72 parser 81:
1.126 paf 82: if(&eol[1]<eob && eol[1]=='\n') { // \r, \n = DOS
1.72 parser 83: bol=eol+2;
1.154 paf 84: length--;
1.126 paf 85: } else // \r, not \n = Macintosh
1.72 parser 86: bol=eol+1;
87: }
1.154 paf 88: // last piece without \r
1.72 parser 89: if(dest!=bol)
1.126 paf 90: memcpy(dest, bol, eob-bol);
1.154 paf 91: str[length]=0; // terminating
1.72 parser 92: }
1.18 paf 93:
1.154 paf 94: char* file_read_text(Request_charsets& charsets,
1.229 misha 95: const String& file_spec,
96: bool fail_on_read_problem,
97: HashStringValue* params/*, HashStringValue* * out_fields*/) {
1.154 paf 98: File_read_result file=
99: file_read(charsets, file_spec, true, params, fail_on_read_problem);
100: return file.success?file.str:0;
1.126 paf 101: }
102:
1.206 paf 103: /// these options were handled but not checked elsewhere, now check them
1.214 paf 104: int pa_get_valid_file_options_count(HashStringValue& options)
1.206 paf 105: {
106: int result=0;
107: if(options.get(PA_SQL_LIMIT_NAME))
108: result++;
109: if(options.get(PA_SQL_OFFSET_NAME))
110: result++;
111: if(options.get(PA_COLUMN_SEPARATOR_NAME))
112: result++;
113: if(options.get(PA_COLUMN_ENCLOSER_NAME))
114: result++;
1.223 misha 115: if(options.get(PA_CHARSET_NAME))
116: result++;
1.206 paf 117: return result;
118: }
119:
1.123 paf 120: #ifndef DOXYGEN
121: struct File_read_action_info {
1.154 paf 122: char **data; size_t *data_size;
1.188 paf 123: char* buf; size_t offset; size_t count;
1.126 paf 124: };
1.123 paf 125: #endif
1.154 paf 126: static void file_read_action(
1.229 misha 127: struct stat& finfo,
128: int f,
129: const String& file_spec, const char* /*fname*/, bool as_text,
130: void *context) {
1.126 paf 131: File_read_action_info& info=*static_cast<File_read_action_info *>(context);
1.188 paf 132: size_t to_read_size=info.count;
133: if(!to_read_size)
134: to_read_size=(size_t)finfo.st_size;
135: assert( !(info.buf && as_text) );
136: if(to_read_size) {
137: if(info.offset)
138: lseek(f, info.offset, SEEK_SET);
139: *info.data=info.buf
140: ? info.buf
141: : new(PointerFreeGC) char[to_read_size+(as_text?1:0)];
1.126 paf 142: *info.data_size=(size_t)read(f, *info.data, to_read_size);
1.123 paf 143:
144: if(ssize_t(*info.data_size)<0 || *info.data_size>to_read_size)
1.126 paf 145: throw Exception(0,
1.123 paf 146: &file_spec,
1.173 paf 147: "read failed: actually read %u bytes count not in [0..%u] valid range",
1.126 paf 148: *info.data_size, to_read_size);
1.123 paf 149: } else { // empty file
1.209 paf 150: // for both, text and binary: for text we need that terminator, for binary we need nonzero pointer to be able to save such files
151: *info.data=new(PointerFreeGC) char[1];
152: *(char*)(*info.data)=0;
1.123 paf 153: *info.data_size=0;
154: return;
155: }
1.126 paf 156: }
1.154 paf 157: File_read_result file_read(Request_charsets& charsets, const String& file_spec,
1.229 misha 158: bool as_text, HashStringValue *params,
159: bool fail_on_read_problem,
160: char* buf, size_t offset, size_t count) {
1.167 paf 161: File_read_result result={false, 0, 0, 0};
1.154 paf 162: if(file_spec.starts_with("http://")) {
1.203 paf 163: if(offset || count)
1.224 misha 164: throw Exception(PARSER_RUNTIME,
1.203 paf 165: 0,
166: "offset and load options are not supported for HTTP:// file load");
167:
1.126 paf 168: // fail on read problem
1.214 paf 169: File_read_http_result http=pa_internal_file_read_http(charsets, file_spec, as_text, params);
1.154 paf 170: result.success=true;
171: result.str=http.str;
172: result.length=http.length;
173: result.headers=http.headers;
1.126 paf 174: } else {
1.206 paf 175: if(params) {
1.214 paf 176: int valid_options=pa_get_valid_file_options_count(*params);
1.206 paf 177: if(valid_options!=params->count())
1.224 misha 178: throw Exception(PARSER_RUNTIME,
1.206 paf 179: 0,
180: "invalid option passed");
181: }
1.161 paf 182:
1.188 paf 183: File_read_action_info info={&result.str, &result.length,
184: buf, offset, count};
1.154 paf 185: result.success=file_read_action_under_lock(file_spec,
1.126 paf 186: "read", file_read_action, &info,
187: as_text, fail_on_read_problem);
1.223 misha 188:
189: if(result.length && as_text && params) {
190: if( Value* vcharset_name=params->get(PA_CHARSET_NAME) ) {
191: Charset asked_charset=::charsets.get(vcharset_name->as_string().
192: change_case(charsets.source(), String::CC_UPPER));
193:
194: String::C body=String::C(result.str, result.length);
195: body=Charset::transcode(body, asked_charset, charsets.source());
196:
197: result.str=const_cast<char *>(body.str); // hacking a little
198: result.length=body.length;
199: }
200: }
1.126 paf 201: }
1.123 paf 202:
1.154 paf 203: if(result.success && as_text) {
1.131 paf 204: // UTF-8 signature: EF BB BF
1.154 paf 205: if(result.length>=3) {
206: char *in=(char *)result.str;
1.159 paf 207: if(strncmp(in, "\xEF\xBB\xBF", 3)==0) {
1.154 paf 208: result.str=in+3; result.length-=3;// skip prefix
1.131 paf 209: }
210: }
211:
1.154 paf 212: fix_line_breaks((char *)(result.str), result.length);
1.123 paf 213: }
1.126 paf 214:
215: return result;
1.123 paf 216: }
217:
1.154 paf 218: #ifdef PA_SAFE_MODE
219: void check_safe_mode(struct stat finfo, const String& file_spec, const char* fname) {
220: if(finfo.st_uid/*foreign?*/!=geteuid()
221: && finfo.st_gid/*foreign?*/!=getegid())
1.224 misha 222: throw Exception(PARSER_RUNTIME,
1.154 paf 223: &file_spec,
224: "parser is in safe mode: "
225: "reading files of foreign group and user disabled "
226: "[recompile parser with --disable-safe-mode configure option], "
227: "actual filename '%s', "
228: "fuid(%d)!=euid(%d) or fgid(%d)!=egid(%d)",
229: fname,
230: finfo.st_uid, geteuid(),
231: finfo.st_gid, getegid());
232: }
233: #endif
1.149 paf 234:
1.154 paf 235: bool file_read_action_under_lock(const String& file_spec,
1.126 paf 236: const char* action_name, File_read_action action, void *context,
237: bool as_text,
1.123 paf 238: bool fail_on_read_problem) {
1.154 paf 239: const char* fname=file_spec.cstr(String::L_FILE_SPEC);
1.33 paf 240: int f;
241:
242: // first open, next stat:
1.45 paf 243: // directory update of NTFS hard links performed on open.
1.33 paf 244: // ex:
245: // a.html:^test[] and b.html hardlink to a.html
246: // user inserts ! before ^test in a.html
1.126 paf 247: // directory entry of b.html in NTFS not updated at once,
1.35 paf 248: // they delay update till open, so we would receive "!^test[" string
249: // if would do stat, next open.
1.123 paf 250: // later: it seems, even this does not help sometimes
1.229 misha 251: if((f=open(fname, O_RDONLY|(as_text?_O_TEXT:_O_BINARY)))>=0) {
1.123 paf 252: try {
1.162 paf 253: if(pa_lock_shared_blocking(f)!=0)
1.126 paf 254: throw Exception("file.lock",
1.123 paf 255: &file_spec,
256: "shared lock failed: %s (%d), actual filename '%s'",
1.154 paf 257: strerror(errno), errno, fname);
1.123 paf 258:
1.124 paf 259: struct stat finfo;
260: if(stat(fname, &finfo)!=0)
261: throw Exception("file.missing", // hardly possible: we just opened it OK
262: &file_spec,
263: "stat failed: %s (%d), actual filename '%s'",
1.154 paf 264: strerror(errno), errno, fname);
1.124 paf 265:
1.140 paf 266: #ifdef PA_SAFE_MODE
1.149 paf 267: check_safe_mode(finfo, file_spec, fname);
1.105 paf 268: #endif
1.32 paf 269:
1.154 paf 270: action(finfo, f, file_spec, fname, as_text, context);
1.123 paf 271: } catch(...) {
1.162 paf 272: pa_unlock(f);close(f);
1.123 paf 273: if(fail_on_read_problem)
1.154 paf 274: rethrow;
1.123 paf 275: return false;
276: }
1.87 paf 277:
1.162 paf 278: pa_unlock(f);close(f);
1.72 parser 279: return true;
1.229 misha 280: } else {
1.118 paf 281: if(fail_on_read_problem)
1.126 paf 282: throw Exception(errno==EACCES?"file.access":errno==ENOENT?"file.missing":0,
1.118 paf 283: &file_spec,
1.123 paf 284: "%s failed: %s (%d), actual filename '%s'",
1.154 paf 285: action_name, strerror(errno), errno, fname);
1.118 paf 286: return false;
287: }
1.8 paf 288: }
289:
1.202 paf 290: void create_dir_for_file(const String& file_spec) {
1.63 parser 291: size_t pos_after=1;
1.154 paf 292: size_t pos_before;
293: while((pos_before=file_spec.pos('/', pos_after))!=STRING_NOT_FOUND) {
294: mkdir(file_spec.mid(0, pos_before).cstr(String::L_FILE_SPEC), 0775);
1.63 parser 295: pos_after=pos_before+1;
296: }
297: }
298:
1.98 paf 299: bool file_write_action_under_lock(
1.28 paf 300: const String& file_spec,
1.225 misha 301: const char* action_name,
302: File_write_action action,
303: void *context,
1.126 paf 304: bool as_text,
305: bool do_append,
306: bool do_block,
1.110 paf 307: bool fail_on_lock_problem) {
1.154 paf 308: const char* fname=file_spec.cstr(String::L_FILE_SPEC);
1.28 paf 309: int f;
1.80 paf 310: if(access(fname, W_OK)!=0) // no
1.126 paf 311: create_dir_for_file(file_spec);
1.50 paf 312:
1.80 paf 313: if((f=open(fname,
314: O_CREAT|O_RDWR
315: |(as_text?_O_TEXT:_O_BINARY)
1.138 paf 316: |(do_append?O_APPEND:PA_O_TRUNC), 0664))>=0) {
1.162 paf 317: if((do_block?pa_lock_exclusive_blocking(f):pa_lock_exclusive_nonblocking(f))!=0) {
1.126 paf 318: Exception e("file.lock",
1.110 paf 319: &file_spec,
320: "shared lock failed: %s (%d), actual filename '%s'",
1.154 paf 321: strerror(errno), errno, fname);
1.126 paf 322: close(f);
1.110 paf 323: if(fail_on_lock_problem)
324: throw e;
1.98 paf 325: return false;
326: }
1.96 paf 327:
1.158 paf 328: try {
1.126 paf 329: action(f, context);
1.158 paf 330: } catch(...) {
1.138 paf 331: #ifdef HAVE_FTRUNCATE
1.104 paf 332: if(!do_append)
1.125 paf 333: ftruncate(f, lseek(f, 0, SEEK_CUR)); // one can not use O_TRUNC, read lower
1.138 paf 334: #endif
1.162 paf 335: pa_unlock(f);close(f);
1.154 paf 336: rethrow;
1.158 paf 337: }
1.80 paf 338:
1.138 paf 339: #ifdef HAVE_FTRUNCATE
1.104 paf 340: if(!do_append)
1.125 paf 341: ftruncate(f, lseek(f, 0, SEEK_CUR)); // O_TRUNC truncates even exclusevely write-locked file [thanks to Igor Milyakov <virtan@rotabanner.com> for discovering]
1.138 paf 342: #endif
1.162 paf 343: pa_unlock(f);close(f);
1.98 paf 344: return true;
1.80 paf 345: } else
1.126 paf 346: throw Exception(errno==EACCES?"file.access":0,
1.80 paf 347: &file_spec,
1.96 paf 348: "%s failed: %s (%d), actual filename '%s'",
1.154 paf 349: action_name, strerror(errno), errno, fname);
1.96 paf 350: // here should be nothing, see rethrow above
351: }
352:
353: #ifndef DOXYGEN
354: struct File_write_action_info {
1.154 paf 355: const char* str; size_t length;
1.126 paf 356: };
1.96 paf 357: #endif
358: static void file_write_action(int f, void *context) {
1.126 paf 359: File_write_action_info& info=*static_cast<File_write_action_info *>(context);
1.154 paf 360: if(info.length) {
361: int written=write(f, info.str, info.length);
1.116 paf 362: if(written<0)
1.126 paf 363: throw Exception(0,
364: 0,
365: "write failed: %s (%d)", strerror(errno), errno);
1.113 paf 366: }
1.96 paf 367: }
368: void file_write(
369: const String& file_spec,
1.154 paf 370: const char* data, size_t size,
1.126 paf 371: bool as_text,
1.96 paf 372: bool do_append) {
1.126 paf 373: File_write_action_info info={data, size};
1.225 misha 374:
1.98 paf 375: file_write_action_under_lock(
1.154 paf 376: file_spec,
1.225 misha 377: "write",
378: file_write_action,
379: &info,
1.154 paf 380: as_text,
381: do_append);
1.30 paf 382: }
383:
1.63 parser 384: // throws nothing! [this is required in file_move & file_delete]
1.50 paf 385: static void rmdir(const String& file_spec, size_t pos_after) {
1.154 paf 386: size_t pos_before;
387: if((pos_before=file_spec.pos('/', pos_after))!=STRING_NOT_FOUND)
1.126 paf 388: rmdir(file_spec, pos_before+1);
1.50 paf 389:
1.154 paf 390: rmdir(file_spec.mid(0, pos_after-1/* / */).cstr(String::L_FILE_SPEC));
1.50 paf 391: }
1.164 paf 392: bool file_delete(const String& file_spec, bool fail_on_problem) {
1.154 paf 393: const char* fname=file_spec.cstr(String::L_FILE_SPEC);
1.54 parser 394: if(unlink(fname)!=0)
1.164 paf 395: if(fail_on_problem)
1.126 paf 396: throw Exception(errno==EACCES?"file.access":errno==ENOENT?"file.missing":0,
1.93 paf 397: &file_spec,
398: "unlink failed: %s (%d), actual filename '%s'",
1.154 paf 399: strerror(errno), errno, fname);
1.93 paf 400: else
401: return false;
1.50 paf 402:
1.126 paf 403: rmdir(file_spec, 1);
1.93 paf 404: return true;
1.60 parser 405: }
1.95 paf 406: void file_move(const String& old_spec, const String& new_spec) {
1.154 paf 407: const char* old_spec_cstr=old_spec.cstr(String::L_FILE_SPEC);
408: const char* new_spec_cstr=new_spec.cstr(String::L_FILE_SPEC);
1.63 parser 409:
1.126 paf 410: create_dir_for_file(new_spec);
1.63 parser 411:
1.60 parser 412: if(rename(old_spec_cstr, new_spec_cstr)!=0)
1.126 paf 413: throw Exception(errno==EACCES?"file.access":errno==ENOENT?"file.missing":0,
1.60 parser 414: &old_spec,
415: "rename failed: %s (%d), actual filename '%s' to '%s'",
1.154 paf 416: strerror(errno), errno, old_spec_cstr, new_spec_cstr);
1.63 parser 417:
1.126 paf 418: rmdir(old_spec, 1);
1.31 paf 419: }
420:
1.51 paf 421:
1.126 paf 422: bool entry_exists(const char* fname, struct stat *afinfo) {
1.118 paf 423: struct stat lfinfo;
424: bool result=stat(fname, &lfinfo)==0;
425: if(afinfo)
426: *afinfo=lfinfo;
427: return result;
1.119 paf 428: }
429:
430: bool entry_exists(const String& file_spec) {
1.154 paf 431: const char* fname=file_spec.cstr(String::L_FILE_SPEC);
1.126 paf 432: return entry_exists(fname, 0);
1.118 paf 433: }
434:
1.51 paf 435: static bool entry_readable(const String& file_spec, bool need_dir) {
1.154 paf 436: char* fname=file_spec.cstrm(String::L_FILE_SPEC);
1.120 paf 437: if(need_dir) {
1.126 paf 438: size_t size=strlen(fname);
1.120 paf 439: while(size) {
1.126 paf 440: char c=fname[size-1];
1.120 paf 441: if(c=='/' || c=='\\')
442: fname[--size]=0;
443: else
444: break;
445: }
446: }
1.51 paf 447: struct stat finfo;
1.118 paf 448: if(access(fname, R_OK)==0 && entry_exists(fname, &finfo)) {
1.109 paf 449: bool is_dir=(finfo.st_mode&S_IFDIR) != 0;
1.51 paf 450: return is_dir==need_dir;
451: }
452: return false;
453: }
1.215 paf 454: bool file_exist(const String& file_spec) {
1.126 paf 455: return entry_readable(file_spec, false);
1.51 paf 456: }
1.215 paf 457: bool dir_exists(const String& file_spec) {
1.126 paf 458: return entry_readable(file_spec, true);
1.65 parser 459: }
1.215 paf 460: const String* file_exist(const String& path, const String& name) {
1.154 paf 461: String& result=*new String(path);
462: result << "/";
463: result << name;
1.215 paf 464: return file_exist(result)?&result:0;
1.43 paf 465: }
466: bool file_executable(const String& file_spec) {
1.154 paf 467: return access(file_spec.cstr(String::L_FILE_SPEC), X_OK)==0;
1.44 paf 468: }
469:
1.64 parser 470: bool file_stat(const String& file_spec,
1.229 misha 471: size_t& rsize,
472: time_t& ratime,
473: time_t& rmtime,
474: time_t& rctime,
475: bool fail_on_read_problem) {
1.154 paf 476: const char* fname=file_spec.cstr(String::L_FILE_SPEC);
477: struct stat finfo;
1.44 paf 478: if(stat(fname, &finfo)!=0)
1.64 parser 479: if(fail_on_read_problem)
1.126 paf 480: throw Exception("file.missing",
1.67 parser 481: &file_spec,
482: "getting file size failed: %s (%d), real filename '%s'",
1.154 paf 483: strerror(errno), errno, fname);
1.64 parser 484: else
485: return false;
1.58 parser 486: rsize=finfo.st_size;
487: ratime=finfo.st_atime;
488: rmtime=finfo.st_mtime;
489: rctime=finfo.st_ctime;
1.64 parser 490: return true;
1.18 paf 491: }
492:
1.126 paf 493: char* getrow(char* *row_ref, char delim) {
1.229 misha 494: char* result=*row_ref;
495: if(result) {
1.126 paf 496: *row_ref=strchr(result, delim);
1.8 paf 497: if(*row_ref)
498: *((*row_ref)++)=0;
499: else if(!*result)
500: return 0;
1.229 misha 501: }
502: return result;
1.8 paf 503: }
504:
1.126 paf 505: char* lsplit(char* string, char delim) {
1.229 misha 506: if(string) {
1.126 paf 507: char* v=strchr(string, delim);
1.8 paf 508: if(v) {
509: *v=0;
510: return v+1;
511: }
1.229 misha 512: }
513: return 0;
1.8 paf 514: }
515:
1.126 paf 516: char* lsplit(char* *string_ref, char delim) {
1.229 misha 517: char* result=*string_ref;
1.126 paf 518: char* next=lsplit(*string_ref, delim);
1.229 misha 519: *string_ref=next;
520: return result;
1.9 paf 521: }
522:
1.126 paf 523: char* rsplit(char* string, char delim) {
1.229 misha 524: if(string) {
1.126 paf 525: char* v=strrchr(string, delim);
1.18 paf 526: if(v) {
1.9 paf 527: *v=0;
528: return v+1;
529: }
1.229 misha 530: }
531: return NULL;
1.10 paf 532: }
533:
1.229 misha 534:
535: // format: %[flags][width][.precision]type http://msdn.microsoft.com/ru-ru/library/56e442dc(en-us,VS.80).aspx
536: // flags: '-', '+', ' ', '#', '0' http://msdn.microsoft.com/ru-ru/library/8aky45ct(en-us,VS.80).aspx
537: // width, precision: non negative decimal number
538: enum FormatType {
539: FormatInvalid,
540: FormatInt,
541: FormatUInt,
542: FormatDouble
543: };
544: FormatType format_type(char* fmt){
545: enum FormatState {
546: Percent,
547: Flags,
548: Width,
549: Precision,
550: Done
551: } state=Percent;
552:
553: FormatType result=FormatInvalid;
554:
555: char* pos=fmt;
556: while(char c=*(pos++)){
557: switch(state){
558: case Percent:
559: if(c=='%'){
560: state=Flags;
561: } else {
562: return FormatInvalid; // 1st char must be '%' only
563: }
564: break;
565: case Flags:
566: if(strchr("-+ #0", c)!=0){
567: break;
568: }
569: // go to the next step
570: case Width:
571: if(c=='.'){
572: state=Precision;
573: break;
574: }
575: // go to the next step
576: case Precision:
577: if(c>='0' && c<='9'){
578: if(state == Flags) state=Width; // no more flags
579: break;
580: } else if(c=='d' || c=='i'){
581: result=FormatInt;
582: } else if(strchr("feEgG", c)!=0){
583: result=FormatDouble;
584: } else if(strchr("uoxX", c)!=0){
585: result=FormatUInt;
586: } else {
587: return FormatInvalid; // invalid char
588: }
589: state=Done;
590: break;
591: case Done:
592: return FormatInvalid; // no chars allowed after 'type'
593: }
594: }
595: return result;
596: }
597:
598:
1.154 paf 599: const char* format(double value, char* fmt) {
1.229 misha 600: char local_buf[MAX_NUMBER];
1.108 paf 601: size_t size;
1.229 misha 602:
603: if(fmt && strlen(fmt)){
604: switch(format_type(fmt)){
605: case FormatDouble:
606: size=snprintf(local_buf, sizeof(local_buf), fmt, value);
607: break;
608: case FormatInt:
609: size=snprintf(local_buf, sizeof(local_buf), fmt, (int)value);
610: break;
611: case FormatUInt:
1.126 paf 612: size=snprintf(local_buf, sizeof(local_buf), fmt, (uint)value);
1.229 misha 613: break;
614: case FormatInvalid:
615: throw Exception(PARSER_RUNTIME,
616: 0,
617: "Incorrect format string '%s' was specified.", fmt);
618: }
619: } else
620: size=snprintf(local_buf, sizeof(local_buf), "%d", (int)value);
621:
622: if(size < 0 || size >= MAX_NUMBER-1){ // on win32 we manually reduce max size while printing
623: throw Exception(PARSER_RUNTIME,
624: 0,
625: "Error occure white executing snprintf with format string '%s'.", fmt);
626: }
627:
1.154 paf 628: return pa_strdup(local_buf, size);
1.12 paf 629: }
630:
1.36 paf 631: size_t stdout_write(const void *buf, size_t size) {
1.12 paf 632: #ifdef WIN32
1.187 paf 633: size_t to_write = size;
1.12 paf 634: do{
1.154 paf 635: int chunk_written=fwrite(buf, 1, min((size_t)8*0x400, size), stdout);
1.12 paf 636: if(chunk_written<=0)
637: break;
638: size-=chunk_written;
1.36 paf 639: buf=((const char*)buf)+chunk_written;
1.126 paf 640: } while(size>0);
1.12 paf 641:
1.187 paf 642: return to_write-size;
1.12 paf 643: #else
1.126 paf 644: return fwrite(buf, 1, size, stdout);
1.12 paf 645: #endif
1.2 paf 646: }
1.14 paf 647:
1.229 misha 648: enum EscapeState {
649: EscapeRest,
650: EscapeFirst,
651: EscapeSecond,
652: EscapeUnicode
653: };
654: /*
1.154 paf 655: char* unescape_chars(const char* cp, int len) {
656: char* s=new(PointerFreeGC) char[len + 1];
1.229 misha 657: EscapeState escapeState=EscapeRest;
1.216 paf 658: uint escapedValue=0;
1.14 paf 659: int srcPos=0;
660: int dstPos=0;
661: while(srcPos < len) {
1.193 paf 662: uchar ch=(uchar)cp[srcPos];
1.14 paf 663: switch(escapeState) {
664: case EscapeRest:
1.229 misha 665: if(ch=='%') {
666: escapeState=EscapeFirst;
667: } else if(ch=='+'){
668: s[dstPos++]=' ';
669: } else {
670: s[dstPos++]=ch;
671: }
672: break;
1.14 paf 673: case EscapeFirst:
1.229 misha 674: escapedValue=hex_value[ch] << 4;
675: escapeState=EscapeSecond;
676: break;
1.14 paf 677: case EscapeSecond:
1.229 misha 678: escapedValue +=hex_value[ch];
679: s[dstPos++]=(char)escapedValue;
680: escapeState=EscapeRest;
681: break;
1.14 paf 682: }
1.126 paf 683: srcPos++;
1.14 paf 684: }
685: s[dstPos]=0;
686: return s;
1.24 paf 687: }
1.229 misha 688: */
689:
690: bool is_hex_digit(char c){
691: return (c>='0' && c<='9') || (c>='a' && c<='f') || (c>='A' && c<='F');
692: }
693:
694: char* unescape_chars(const char* cp, int len, Request_charsets* charsets){
1.230 ! misha 695: char* s=new(PointerFreeGC) char[len + 1]; // enough (%uXXXX==6 bytes, max utf-8 char length==6 bytes)
! 696: char* dst=s;
1.229 misha 697: EscapeState escapeState=EscapeRest;
698: uint escapedValue=0;
699: int srcPos=0;
1.230 ! misha 700: short int jsCnt=0;
1.229 misha 701: while(srcPos < len) {
702: uchar c=(uchar)cp[srcPos];
703: if(c=='%'){
704: escapeState=EscapeFirst;
705: } else {
706: switch(escapeState) {
707: case EscapeRest:
708: if(c=='+'){
1.230 ! misha 709: *dst++=' ';
1.229 misha 710: } else {
1.230 ! misha 711: *dst++=c;
1.229 misha 712: }
713: break;
714: case EscapeFirst:
715: if(charsets && c=='u'){
716: // escaped unicode value: %u0430
717: jsCnt=0;
718: escapedValue=0;
719: escapeState=EscapeUnicode;
720: } else {
721: if(is_hex_digit(c)){
722: escapedValue=hex_value[c] << 4;
723: escapeState=EscapeSecond;
724: } else {
1.230 ! misha 725: *dst++=c;
1.229 misha 726: escapeState=EscapeRest;
727: }
728: }
729: break;
730: case EscapeSecond:
731: if(is_hex_digit(c)){
732: escapedValue+=hex_value[c];
1.230 ! misha 733: *dst++=(char)escapedValue;
1.229 misha 734: }
735: escapeState=EscapeRest;
736: break;
737: case EscapeUnicode:
738: if(is_hex_digit(c)){
739: escapedValue=(escapedValue << 4) + hex_value[c];
740: if(++jsCnt==4){
1.230 ! misha 741: // transcode utf8 char to client charset (we can lost some chars here)
! 742: charsets->client().store_Char((XMLByte*&)dst, (XMLCh)escapedValue, '?');
1.229 misha 743: escapeState=EscapeRest;
744: }
745: } else {
746: // not full unicode value
747: escapeState=EscapeRest;
748: }
749: break;
750: }
751: }
752:
753: srcPos++;
754: }
755:
1.230 ! misha 756: *dst=0; // zero-termination
1.229 misha 757: return s;
758: }
1.24 paf 759:
760: #ifdef WIN32
1.126 paf 761: void back_slashes_to_slashes(char* s) {
1.24 paf 762: if(s)
763: for(; *s; s++)
764: if(*s=='\\')
1.126 paf 765: *s='/';
1.24 paf 766: }
1.42 paf 767: /*
1.126 paf 768: void slashes_to_back_slashes(char* s) {
1.42 paf 769: if(s)
770: for(; *s; s++)
771: if(*s=='/')
1.126 paf 772: *s='\\';
1.42 paf 773: }
774: */
1.24 paf 775: #endif
1.41 paf 776:
1.126 paf 777: bool StrEqNc(const char* s1, const char* s2, bool strict) {
1.41 paf 778: while(true) {
779: if(!(*s1)) {
780: if(!(*s2))
781: return true;
782: else
783: return !strict;
784: } else if(!(*s2))
785: return !strict;
1.189 paf 786: if(isalpha((unsigned char)*s1)) {
1.190 paf 787: if(tolower((unsigned char)*s1) !=tolower((unsigned char)*s2))
1.41 paf 788: return false;
789: } else if((*s1) !=(*s2))
790: return false;
1.126 paf 791: s1++;
792: s2++;
1.41 paf 793: }
1.57 parser 794: }
795:
1.84 paf 796: static bool isLeap(int year) {
1.229 misha 797: return !(
798: (year % 4) || ((year % 400) && !(year % 100))
799: );
1.57 parser 800: }
801:
802: int getMonthDays(int year, int month) {
1.220 misha 803: static int monthDays[]={
1.229 misha 804: 31,
805: 28,
806: 31,
807: 30,
808: 31,
809: 30,
810: 31,
811: 31,
812: 30,
813: 31,
814: 30,
815: 31
816: };
1.228 misha 817: return (month == 1 /* january -- 0 */ && isLeap(year)) ? 29 : monthDays[month];
1.41 paf 818: }
1.69 parser 819:
1.226 misha 820: int remove_crlf(char* start, char* end) {
821: char* from=start;
822: char* to=start;
823: bool skip=false;
824: while(from < end){
825: switch(*from){
826: case '\n':
827: case '\r':
828: case '\t':
829: case ' ':
830: if(!skip){
831: *to=' ';
832: to++;
833: skip=true;
834: }
835: break;
836: default:
837: if(from != to)
838: *to=*from;
839: to++;
840: skip=false;
1.69 parser 841: }
1.226 misha 842: from++;
843: }
844: return to-start;
1.91 paf 845: }
846:
847:
848: /// must be last in this file
849: #undef vsnprintf
1.126 paf 850: int __vsnprintf(char* b, size_t s, const char* f, va_list l) {
1.91 paf 851: if(!s)
852: return 0;
853:
854: int r;
855: // note: on win32& maybe somewhere else
856: // vsnprintf do not writes terminating 0 in 'buffer full' case, reducing
857: --s;
1.172 paf 858:
859: // clients do not check for negative 's', feature: ignore such prints
860: if((ssize_t)s<0)
861: return 0;
862:
1.91 paf 863: #if _MSC_VER
864: /*
865: win32:
866: mk:@MSITStore:C:\Program%20Files\Microsoft%20Visual%20Studio\MSDN\2001APR\1033\vccore.chm::/html/_crt__vsnprintf.2c_._vsnwprintf.htm
867:
1.154 paf 868: if the number of bytes to write exceeds buffer, then count bytes are written and Ö1 is returned
1.91 paf 869: */
1.126 paf 870: r=_vsnprintf(b, s, f, l);
1.91 paf 871: if(r<0)
872: r=s;
873: #else
1.126 paf 874: r=vsnprintf(b, s, f, l);
1.91 paf 875: /*
876: solaris:
877: man vsnprintf
878:
879: The snprintf() function returns the number of characters
880: formatted, that is, the number of characters that would have
881: been written to the buffer if it were large enough. If the
882: value of n is 0 on a call to snprintf(), an unspecified
883: value less than 1 is returned.
884: */
885:
886: if(r<0)
887: r=0;
1.167 paf 888: else if((size_t)r>s)
1.91 paf 889: r=s;
890: #endif
891: b[r]=0;
892: return r;
893: }
894:
1.126 paf 895: int __snprintf(char* b, size_t s, const char* f, ...) {
1.91 paf 896: va_list l;
1.126 paf 897: va_start(l, f);
898: int r=__vsnprintf(b, s, f, l);
899: va_end(l);
1.91 paf 900: return r;
1.178 paf 901: }
902:
903: /* mime64 functions are from libgmime[http://spruce.sourceforge.net/gmime/] lib */
904: /*
905: * Authors: Michael Zucchi <notzed@helixcode.com>
906: * Jeffrey Stedfast <fejj@helixcode.com>
907: *
908: * Copyright 2000 Helix Code, Inc. (www.helixcode.com)
909: *
910: * This program is free software; you can redistribute it and/or modify
911: * it under the terms of the GNU General Public License as published by
912: * the Free Software Foundation; either version 2 of the License, or
913: * (at your option) any later version.
914: *
915: * This program is distributed in the hope that it will be useful,
916: * but WITHOUT ANY WARRANTY; without even the implied warranty of
917: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
918: * GNU General Public License for more details.
919: *
920: * You should have received a copy of the GNU General Public License
921: * along with this program; if not, write to the Free Software
922: * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
923: *
924: */
925: static char *base64_alphabet =
926: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
927:
928: /**
929: * g_mime_utils_base64_encode_step:
930: * @in: input stream
931: * @inlen: length of the input
932: * @out: output string
933: * @state: holds the number of bits that are stored in @save
934: * @save: leftover bits that have not yet been encoded
935: *
936: * Base64 encodes a chunk of data. Performs an 'encode step', only
937: * encodes blocks of 3 characters to the output at a time, saves
938: * left-over state in state and save (initialise to 0 on first
939: * invocation).
940: *
941: * Returns the number of bytes encoded.
942: **/
943: static size_t
944: g_mime_utils_base64_encode_step (const unsigned char *in, size_t inlen, unsigned char *out, int *state, int *save)
945: {
1.186 paf 946: register const unsigned char *inptr;
1.178 paf 947: register unsigned char *outptr;
948:
949: if (inlen <= 0)
950: return 0;
951:
952: inptr = in;
953: outptr = out;
954:
955: if (inlen + ((unsigned char *)save)[0] > 2) {
956: const unsigned char *inend = in + inlen - 2;
957: register int c1 = 0, c2 = 0, c3 = 0;
958: register int already;
959:
960: already = *state;
961:
962: switch (((char *)save)[0]) {
963: case 1: c1 = ((unsigned char *)save)[1]; goto skip1;
964: case 2: c1 = ((unsigned char *)save)[1];
965: c2 = ((unsigned char *)save)[2]; goto skip2;
966: }
967:
968: /* yes, we jump into the loop, no i'm not going to change it, its beautiful! */
969: while (inptr < inend) {
970: c1 = *inptr++;
971: skip1:
972: c2 = *inptr++;
973: skip2:
974: c3 = *inptr++;
975: *outptr++ = base64_alphabet [c1 >> 2];
976: *outptr++ = base64_alphabet [(c2 >> 4) | ((c1 & 0x3) << 4)];
977: *outptr++ = base64_alphabet [((c2 & 0x0f) << 2) | (c3 >> 6)];
978: *outptr++ = base64_alphabet [c3 & 0x3f];
979: /* this is a bit ugly ... */
980: if ((++already) >= 19) {
981: *outptr++ = '\n';
982: already = 0;
983: }
984: }
985:
986: ((unsigned char *)save)[0] = 0;
987: inlen = 2 - (inptr - inend);
988: *state = already;
989: }
990:
991: //d(printf ("state = %d, inlen = %d\n", (int)((char *)save)[0], inlen));
992:
993: if (inlen > 0) {
994: register char *saveout;
995:
996: /* points to the slot for the next char to save */
997: saveout = & (((char *)save)[1]) + ((char *)save)[0];
998:
999: /* inlen can only be 0 1 or 2 */
1000: switch (inlen) {
1001: case 2: *saveout++ = *inptr++;
1002: case 1: *saveout++ = *inptr++;
1003: }
1.216 paf 1004: *(char *)save = *(char *)save+(char)inlen;
1.178 paf 1005: }
1006:
1007: /*d(printf ("mode = %d\nc1 = %c\nc2 = %c\n",
1008: (int)((char *)save)[0],
1009: (int)((char *)save)[1],
1010: (int)((char *)save)[2]));*/
1011:
1012: return (outptr - out);
1013: }
1014:
1015: /**
1016: * g_mime_utils_base64_encode_close:
1017: * @in: input stream
1018: * @inlen: length of the input
1019: * @out: output string
1020: * @state: holds the number of bits that are stored in @save
1021: * @save: leftover bits that have not yet been encoded
1022: *
1023: * Base64 encodes the input stream to the output stream. Call this
1024: * when finished encoding data with g_mime_utils_base64_encode_step to
1025: * flush off the last little bit.
1026: *
1027: * Returns the number of bytes encoded.
1028: **/
1029: static size_t
1030: g_mime_utils_base64_encode_close (const unsigned char *in, size_t inlen, unsigned char *out, int *state, int *save)
1031: {
1032: unsigned char *outptr = out;
1033: int c1, c2;
1034:
1035: if (inlen > 0)
1036: outptr += g_mime_utils_base64_encode_step (in, inlen, outptr, state, save);
1037:
1038: c1 = ((unsigned char *)save)[1];
1039: c2 = ((unsigned char *)save)[2];
1040:
1041: switch (((unsigned char *)save)[0]) {
1042: case 2:
1043: outptr[2] = base64_alphabet [(c2 & 0x0f) << 2];
1044: goto skip;
1045: case 1:
1046: outptr[2] = '=';
1047: skip:
1048: outptr[0] = base64_alphabet [c1 >> 2];
1049: outptr[1] = base64_alphabet [c2 >> 4 | ((c1 & 0x3) << 4)];
1050: outptr[3] = '=';
1051: outptr += 4;
1052: break;
1053: }
1054:
1055: *outptr++ = 0;
1056:
1057: *save = 0;
1058: *state = 0;
1059:
1060: return (outptr - out);
1061: }
1062:
1.210 paf 1063: static unsigned char gmime_base64_rank[256] = {
1064: 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
1065: 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
1066: 255,255,255,255,255,255,255,255,255,255,255, 62,255,255,255, 63,
1067: 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,255,255,255, 0,255,255,
1068: 255, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
1069: 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,255,255,255,255,255,
1070: 255, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
1071: 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,255,255,255,255,255,
1072: 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
1073: 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
1074: 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
1075: 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
1076: 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
1077: 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
1078: 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
1079: 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
1080: };
1081:
1082: /**
1083: * g_mime_utils_base64_decode_step:
1084: * @in: input stream
1085: * @inlen: max length of data to decode
1086: * @out: output stream
1087: * @state: holds the number of bits that are stored in @save
1088: * @save: leftover bits that have not yet been decoded
1089: *
1090: * Decodes a chunk of base64 encoded data.
1091: *
1092: * Returns the number of bytes decoded (which have been dumped in @out).
1093: **/
1094: size_t
1095: g_mime_utils_base64_decode_step (const unsigned char *in, size_t inlen, unsigned char *out, int *state, int *save)
1096: {
1.213 paf 1097: const unsigned char *inptr;
1098: unsigned char *outptr;
1.210 paf 1099: const unsigned char *inend;
1.213 paf 1100: int saved;
1.210 paf 1101: unsigned char c;
1102: int i;
1103:
1104: inend = in + inlen;
1105: outptr = out;
1106:
1107: /* convert 4 base64 bytes to 3 normal bytes */
1108: saved = *save;
1109: i = *state;
1110: inptr = in;
1111: while (inptr < inend) {
1112: c = gmime_base64_rank[*inptr++];
1113: if (c != 0xff) {
1114: saved = (saved << 6) | c;
1115: i++;
1116: if (i == 4) {
1.217 paf 1117: *outptr++ = (unsigned char)(saved >> 16);
1118: *outptr++ = (unsigned char)(saved >> 8);
1119: *outptr++ = (unsigned char)(saved);
1.210 paf 1120: i = 0;
1121: }
1122: }
1123: }
1124:
1125: *save = saved;
1126: *state = i;
1127:
1128: /* quick scan back for '=' on the end somewhere */
1129: /* fortunately we can drop 1 output char for each trailing = (upto 2) */
1130: i = 2;
1131: while (inptr > in && i) {
1132: inptr--;
1133: if (gmime_base64_rank[*inptr] != 0xff) {
1134: if (*inptr == '=' && outptr > out)
1135: outptr--;
1136: i--;
1137: }
1138: }
1139:
1140: /* if i != 0 then there is a truncation error! */
1141: return (outptr - out);
1142: }
1143:
1144:
1145: char* pa_base64_encode(const char *in, size_t in_size)
1.178 paf 1146: {
1147: /* wont go to more than 2x size (overly conservative) */
1.210 paf 1148: char* result=new(PointerFreeGC) char[in_size * 2 + 6];
1.178 paf 1149: int state=0;
1150: int save=0;
1.183 paf 1151: #ifndef NDEBUG
1152: size_t filled=
1153: #endif
1.210 paf 1154: g_mime_utils_base64_encode_close ((const unsigned char*)in, in_size,
1.178 paf 1155: (unsigned char*)result, &state, &save);
1.210 paf 1156: assert(filled <= in_size * 2 + 6);
1.178 paf 1157:
1158: return result;
1.98 paf 1159: }
1.210 paf 1160:
1.222 misha 1161:
1162: char* pa_base64_encode(const String& file_spec)
1163: {
1164: unsigned char* base64=0;
1165: File_base64_action_info info={&base64};
1166:
1167: file_read_action_under_lock(file_spec,
1168: "pa_base64_encode", file_base64_file_action, &info);
1169:
1170: return (char*)base64;
1171: }
1172:
1173:
1174: static void file_base64_file_action(
1.229 misha 1175: struct stat& finfo,
1176: int f,
1177: const String&, const char* /*fname*/, bool,
1178: void *context) {
1.222 misha 1179:
1180: if(finfo.st_size) {
1181: File_base64_action_info& info=*static_cast<File_base64_action_info *>(context);
1182: *info.base64=new(PointerFreeGC) unsigned char[finfo.st_size * 2 + 6];
1183: unsigned char* base64 = *info.base64;
1184: int state=0;
1185: int save=0;
1186: int nCount;
1187: do {
1188: unsigned char buffer[FILE_BUFFER_SIZE];
1189: nCount = file_block_read(f, buffer, sizeof(buffer));
1190: if( nCount ){
1191: size_t filled=g_mime_utils_base64_encode_step ((const unsigned char*)buffer, nCount, base64, &state, &save);
1192: base64+=filled;
1193: }
1194: } while(nCount > 0);
1195: g_mime_utils_base64_encode_close (0, 0, base64, &state, &save);
1196: }
1197: }
1198:
1.211 paf 1199: void pa_base64_decode(const char *in, size_t in_size, char*& result, size_t& result_size)
1.210 paf 1200: {
1201: /* wont go to more than had (overly conservative) */
1.211 paf 1202: result=new(PointerFreeGC) char[in_size+1/*terminator*/];
1.210 paf 1203: int state=0;
1204: int save=0;
1205: result_size=
1206: g_mime_utils_base64_decode_step ((const unsigned char*)in, in_size,
1207: (unsigned char*)result, &state, &save);
1208: assert(result_size <= in_size);
1.211 paf 1209: result[result_size]=0; // for text files
1.210 paf 1210: }
1.218 misha 1211:
1212:
1.221 misha 1213: int file_block_read(const int f, unsigned char* buffer, const size_t size){
1214: int nCount = read(f, buffer, size);
1215: if (nCount < 0)
1216: throw Exception(0,
1217: 0,
1218: "read failed: %s (%d)", strerror(errno), errno);
1219: return nCount;
1220: }
1221:
1.218 misha 1222: const unsigned long pa_crc32(const char *in, size_t in_size)
1223: {
1224: unsigned long crc32=0xFFFFFFFF;
1.220 misha 1225:
1.218 misha 1226: InitCrc32Table();
1227: for(size_t i = 0; i < in_size; i++) CalcCrc32(in[i], crc32);
1.220 misha 1228:
1.218 misha 1229: return ~crc32;
1230: }
1231:
1232: const unsigned long pa_crc32(const String& file_spec)
1233: {
1234: unsigned long crc32=0xFFFFFFFF;
1235: file_read_action_under_lock(file_spec, "crc32", file_crc32_file_action, &crc32);
1236: return ~crc32;
1237: }
1238:
1239: static void file_crc32_file_action(
1.229 misha 1240: struct stat& finfo,
1241: int f,
1242: const String&, const char* /*fname*/, bool,
1243: void *context)
1.218 misha 1244: {
1245: unsigned long& crc32=*static_cast<unsigned long *>(context);
1246: if(finfo.st_size) {
1247: InitCrc32Table();
1.220 misha 1248: int nCount=0;
1.218 misha 1249: do {
1.221 misha 1250: unsigned char buffer[FILE_BUFFER_SIZE];
1251: nCount = file_block_read(f, buffer, sizeof(buffer));
1.220 misha 1252: for(int i = 0; i < nCount; i++) CalcCrc32(buffer[i], crc32);
1253: } while(nCount > 0);
1.218 misha 1254: }
1255: }
1256:
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