Annotation of parser3/src/main/pa_file.C, revision 1.10
1.1 moko 1: /** @file
2: Parser: file and file system related functions.
3:
4: Copyright (c) 2000-2026 Art. Lebedev Studio (https://www.artlebedev.com)
5: Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>
6: */
7:
8: #include "pa_file.h"
9: #include "pa_dir.h"
10: #include "pa_charsets.h"
11: #include "pa_http.h"
12: #include "pa_convert_utf.h"
13:
14: #ifdef _MSC_VER
15: #include <windows.h>
16: #include <direct.h>
17: #endif
18:
1.10 ! moko 19: volatile const char * IDENT_PA_FILE_C="$Id: pa_file.C,v 1.9 2026/10/01 12:46:17 moko Exp $" IDENT_PA_FILE_H;
1.8 moko 20:
21: // a tainted path scheme (file://, http:// or parser://) would be accepted
22: //#define IGNORE_FILE_PREFIX_LANGUAGES
1.1 moko 23:
24: // some maybe-undefined constants
25:
26: #ifndef _O_TEXT
27: # define _O_TEXT 0
28: #endif
29: #ifndef _O_BINARY
30: # define _O_BINARY 0
31: #endif
32:
33: #ifdef HAVE_FTRUNCATE
34: # define PA_O_TRUNC 0
35: #else
36: # ifdef _O_TRUNC
37: # define PA_O_TRUNC _O_TRUNC
38: # else
39: # error you must have either ftruncate function or _O_TRUNC bit declared
40: # endif
41: #endif
42:
43: #ifdef WIN32
44:
45: bool is_os_absolute_path(const String& path) {
46: return is_os_absolute_path(path.cstr());
47: }
48:
49: bool is_os_absolute_path(const char* path) {
50: return path[0] && path[0]!=':' && path[1]==':' // DRIVE: (including drive-relative paths, for compatibility)
1.4 moko 51: || path[0]=='\\' && path[1]=='\\'; // UNC, only '\\' is supported as '//' is a document root relative path
1.1 moko 52: }
53: #endif
54:
1.5 moko 55: uint path_scheme(const String& path) {
56: if(path.starts_with("file://"))
57: return PA_SCHEME_FILE;
58: if(path.starts_with("http://"))
59: return PA_SCHEME_HTTP;
60: if(path.starts_with("parser://"))
61: return PA_SCHEME_PARSER;
62: return PA_SCHEME_NONE;
63: }
64:
1.9 moko 65: bool clean_path_scheme(uint scheme, const String& path) {
66: #ifdef IGNORE_FILE_PREFIX_LANGUAGES
67: return true;
68: #else
69: return path.check_lang(String::L_AS_IS, 0, scheme==PA_SCHEME_PARSER ? 9 /* "parser://" */ : 7 /* "file://" or "http://" */);
70: #endif
71: }
72:
1.5 moko 73: void check_path_scheme(uint scheme, const String& path, uint allowed) {
74: if(scheme!=PA_SCHEME_FILE && !(allowed&scheme))
75: throw Exception(PARSER_RUNTIME, &path, "unsupported path scheme");
1.9 moko 76: if(!clean_path_scheme(scheme, path))
1.8 moko 77: throw Exception(PARSER_RUNTIME, &path, "tainted path scheme");
1.5 moko 78: }
79:
1.10 ! moko 80: int path_cmp(const char* path, const char* dir, size_t length) {
! 81: #ifdef WIN32
! 82: return strncasecmp(path, dir, length); // mostly for the drive letter
! 83: #else
! 84: return strncmp(path, dir, length);
! 85: #endif
! 86: }
! 87:
1.5 moko 88: const String* file_uri_to_path(const String& uri) {
89: const String* rest=&uri.mid(7 /* "file://" */, uri.length());
90: if(rest->starts_with("localhost/"))
91: rest=&rest->mid(9 /* "localhost", keeping the slash */, rest->length());
92: if(rest->first_char()=='/') {
93: // file:///C:/path and file://localhost/C:/path: the slash before a drive name is not a part of the path
94: const String& disk=rest->mid(1, rest->length());
95: return is_os_absolute_path(disk) ? &disk : rest;
96: }
97: if(is_os_absolute_path(*rest))
98: return rest; // file://C:/path, not a standard form but in use
1.7 moko 99: #ifdef WIN32
100: if(rest->pos('/')!=STRING_NOT_FOUND) { // file://server/share/path is the UNC path \\server\share\path
101: String& result=*new String("//");
102: result << *rest;
103: return &result;
104: }
105: #endif
1.5 moko 106: return 0;
107: }
108:
1.1 moko 109: // externs
110:
111: const UTF16* pa_utf16_encode(const char* in, Charset& source_charset);
112:
113: // functions
114:
115: #ifdef _MSC_VER
116:
117: #define PA_UTF16_ENC(value) (const wchar_t *)pa_utf16_encode(value, pa_thread_request().charsets.source())
118:
119: int pa_stat(const char *pathname, struct stat *buffer){
120: return _wstat64(PA_UTF16_ENC(pathname), buffer);
121: }
122:
123: int pa_open(const char *pathname, int flags, int mode){
124: return _wopen(PA_UTF16_ENC(pathname), flags, mode);
125: }
126:
127: FILE *pa_fopen(const char *pathname, const char *mode){
128: return _wfopen(PA_UTF16_ENC(pathname), PA_UTF16_ENC(mode));
129: }
130:
131: int pa_mkdir(const char *pathname, int){
132: return _wmkdir(PA_UTF16_ENC(pathname));
133: }
134:
135: int pa_rmdir(const char *pathname){
136: return _wrmdir(PA_UTF16_ENC(pathname));
137: }
138:
139: int pa_rename(const char *oldpath, const char *newpath){
140: return _wrename(PA_UTF16_ENC(oldpath), PA_UTF16_ENC(newpath));
141: }
142:
143: int pa_unlink(const char *pathname){
144: return _wunlink(PA_UTF16_ENC(pathname));
145: }
146:
147: #else
148:
149: #define pa_mkdir mkdir
150: #define pa_rmdir rmdir
151: #define pa_rename rename
152: #define pa_unlink unlink
153:
154: #endif
155:
156: /// these options were handled but not checked elsewhere, now check them
157: int pa_get_valid_file_options_count(HashStringValue& options) {
158: int result=0;
159: if(options.get(PA_SQL_LIMIT_NAME))
160: result++;
161: if(options.get(PA_SQL_OFFSET_NAME))
162: result++;
163: if(options.get(PA_COLUMN_SEPARATOR_NAME))
164: result++;
165: if(options.get(PA_COLUMN_ENCLOSER_NAME))
166: result++;
167: if(options.get(PA_CHARSET_NAME))
168: result++;
169: return result;
170: }
171:
172: #ifndef DOXYGEN
173: struct File_read_action_info {
174: char **data; size_t *data_size;
175: char* buf; uint64_t offset; size_t limit;
1.3 moko 176: };
1.1 moko 177: #endif
178:
179: static void file_read_action(struct stat& finfo, int f, const String& file_spec, void *context) {
1.3 moko 180: File_read_action_info& info = *static_cast<File_read_action_info *>(context);
1.1 moko 181: size_t to_read_size = check_file_size(info.limit && info.limit < (size_t)finfo.st_size ? info.limit : (size_t)finfo.st_size, &file_spec);
182: if(to_read_size) {
183: if(info.offset)
184: pa_lseek(f, info.offset, SEEK_SET); // seek never fails as POSIX allows the file offset to be set beyond the EOF
185: *info.data = info.buf ? info.buf : (char *)pa_malloc_atomic(to_read_size+1);
186: ssize_t result = read(f, *info.data, to_read_size);
187: if(result<0)
188: throw Exception("file.read", &file_spec, "read failed: %s (%d)", strerror(errno), errno);
189: *info.data_size = result;
190: } else { // empty file
191: // for both, text and binary: for text we need that terminator, for binary we need nonzero pointer to be able to save such files
192: *info.data = (char *)pa_malloc_atomic(1);
193: *(char*)(*info.data) = 0;
194: *info.data_size = 0;
195: return;
196: }
197: }
198:
199: File_read_result file_read_binary(const String& file_spec, bool fail_on_read_problem, char* buf, uint64_t offset, size_t limit) {
200: File_read_result result = {false, 0, 0, 0};
201: File_read_action_info info = {&result.str, &result.length, buf, offset, limit};
202:
203: result.success = file_read_action_under_lock(file_spec, "read", file_read_action, &info, 0, fail_on_read_problem);
204: return result;
205: }
206:
1.3 moko 207: File_read_result file_read(Request_charsets& charsets, const String& file_spec,
1.1 moko 208: bool as_text, HashStringValue *options,
209: bool fail_on_read_problem,
210: size_t offset = 0, size_t limit = 0, bool transcode_text_result = true) {
211: File_read_result result = {false, 0, 0, 0};
212: if(options){
213: int valid_options = pa_get_valid_file_options_count(*options);
214: if(valid_options != options->count())
215: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
216: }
217:
1.3 moko 218: File_read_action_info info = {&result.str, &result.length, 0, offset, limit};
1.1 moko 219:
1.3 moko 220: result.success = file_read_action_under_lock(file_spec, "read", file_read_action, &info, as_text, fail_on_read_problem);
1.1 moko 221:
222: if(as_text){
223: if(result.success){
224: Charset* asked_charset = 0;
225: if(options)
226: if(Value* vcharset_name = options->get(PA_CHARSET_NAME))
227: asked_charset = &pa_charsets.get(vcharset_name->as_string());
228:
229: asked_charset = pa_charsets.checkBOM(result.str, result.length, asked_charset);
230:
231: if(result.length && transcode_text_result && asked_charset){ // length must be checked because transcode returns CONST string in case length==0, which contradicts hacking few lines below
232: String::C body = String::C(result.str, result.length);
233: body=Charset::transcode(body, *asked_charset, charsets.source());
234:
235: result.str = const_cast<char*>(body.str); // hacking a little
236: result.length = body.length;
237: }
238: }
239: if(result.length)
240: fix_line_breaks(result.str, result.length);
241: }
242:
243: return result;
244: }
245:
1.3 moko 246: File_read_result file_load(Request& r, const String& file_spec,
1.1 moko 247: bool as_text, HashStringValue *options,
248: bool fail_on_read_problem,
249: bool transcode_text_result) {
250:
251: size_t offset = 0;
252: size_t limit = 0;
253:
254: if(options){
255: if(Value *voffset = (Value *)options->get(sql_offset_name))
256: offset = r.process(*voffset).as_int();
257: if(Value *vlimit = (Value *)options->get(sql_limit_name))
258: limit = r.process(*vlimit).as_int();
259: // no check on options count here
260: }
261:
262: if(file_spec.starts_with("http://")) {
263: if(offset || limit)
264: throw Exception(PARSER_RUNTIME, 0, "offset and load options are not supported for HTTP:// file load");
265:
266: // fail on read problem
267: File_read_http_result http = pa_internal_file_read_http(r, file_spec, as_text, options, transcode_text_result);
268:
269: File_read_result result = {true, http.str, http.length, http.headers};
270: return result;
271: } else
272: return file_read(r.charsets, file_spec, as_text, options, fail_on_read_problem, offset, limit, transcode_text_result);
273: }
274:
275: char* file_read_text(Request_charsets& charsets, const String& file_spec, bool fail_on_read_problem) {
276: File_read_result file = file_read(charsets, file_spec, true, 0, fail_on_read_problem);
277: return file.success ? file.str : 0;
278: }
279:
280: char* file_load_text(Request& r, const String& file_spec, bool fail_on_read_problem, HashStringValue* options, bool transcode_result) {
281: File_read_result file = file_load(r, file_spec, true, options, fail_on_read_problem, transcode_result);
282: return file.success ? file.str : 0;
283: }
284:
285: #ifdef PA_SAFE_MODE
286: void check_safe_mode(struct stat finfo, const String& file_spec, const char* fname) {
287: if(finfo.st_uid/*foreign?*/!=geteuid()
288: && finfo.st_gid/*foreign?*/!=getegid())
289: throw Exception(PARSER_RUNTIME,
290: &file_spec,
291: "parser is in safe mode: reading files of foreign group and user disabled "
292: "[recompile parser with --disable-safe-mode configure option], "
293: "actual filename '%s', fuid(%d)!=euid(%d) or fgid(%d)!=egid(%d)",
294: fname, finfo.st_uid, geteuid(), finfo.st_gid, getegid()
295: );
296: }
297: #else
298: void check_safe_mode(struct stat, const String&, const char*) {
299: }
300: #endif
301:
302:
303: bool file_read_action_under_lock(const String& file_spec, const char* action_name, File_read_action action, void *context,
304: bool as_text, bool fail_on_read_problem) {
305:
306: const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC);
307: int f;
308:
309: // first open, next stat:
310: // directory update of NTFS hard links performed on open.
1.3 moko 311: // ex:
1.1 moko 312: // a.html:^test[] and b.html hardlink to a.html
313: // user inserts ! before ^test in a.html
1.3 moko 314: // directory entry of b.html in NTFS not updated at once,
1.1 moko 315: // they delay update till open, so we would receive "!^test[" string
316: // if would do stat, next open.
317: // later: it seems, even this does not help sometimes
318: if((f=pa_open(fname, O_RDONLY | (as_text ? _O_TEXT : _O_BINARY) ))>=0) {
319: try {
320: int pa_errno=pa_lock_shared_blocking(f);
321: if(pa_errno!=0)
322: throw Exception("file.lock", &file_spec, "shared lock failed: %s (%d), actual filename '%s'", strerror(pa_errno), pa_errno, fname);
323:
324: struct stat finfo;
325: if(pa_fstat(f, &finfo)!=0)
326: throw Exception("file.missing", // hardly possible: we just opened it OK
327: &file_spec, "stat failed: %s (%d), actual filename '%s'", strerror(errno), errno, fname);
328:
329: check_safe_mode(finfo, file_spec, fname);
330:
1.3 moko 331: action(finfo, f, file_spec, context);
1.1 moko 332: } catch(...) {
1.3 moko 333: pa_unlock(f);close(f);
1.1 moko 334: if(fail_on_read_problem)
335: rethrow;
336: return false;
1.3 moko 337: }
1.1 moko 338:
1.3 moko 339: pa_unlock(f);close(f);
1.1 moko 340: return true;
341: } else {
342: if(fail_on_read_problem)
343: throw Exception(errno==EACCES ? "file.access" : (errno==ENOENT || errno==ENOTDIR || errno==ENODEV) ? "file.missing" : 0,
344: &file_spec, "%s failed: %s (%d), actual filename '%s'", action_name, strerror(errno), errno, fname);
345: return false;
346: }
347: }
348:
349: void create_dir_for_file(const String& file_spec) {
350: const char *str=file_spec.taint_cstr(String::L_FILE_SPEC);
351: if(str[0]){
352: const char *pos=str+1;
1.6 moko 353: while((pos=strchr(pos, '/')) && pos[1]) { // to avoid trailing /, see #1166
1.1 moko 354: pa_mkdir(pa_strdup(str,pos-str), 0775);
355: pos++;
356: }
357: }
358: }
359:
360: bool file_write_action_under_lock(const String& file_spec, const char* action_name, File_write_action action, void *context,
361: bool as_text, bool do_append, bool do_block, bool fail_on_lock_problem) {
362:
363: const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC);
364: int f;
365: if(access(fname, W_OK)!=0) // no
366: create_dir_for_file(file_spec);
367:
368: if((f=pa_open(fname, O_CREAT | O_RDWR | (as_text ? _O_TEXT : _O_BINARY) | (do_append ? O_APPEND : PA_O_TRUNC), 0664))>=0) {
369: int pa_errno=do_block ? pa_lock_exclusive_blocking(f) : pa_lock_exclusive_nonblocking(f);
370: if(pa_errno!=0) {
371: Exception e("file.lock", &file_spec, "shared lock failed: %s (%d), actual filename '%s'", strerror(pa_errno), pa_errno, fname);
372: close(f);
373: if(fail_on_lock_problem)
374: throw e;
375: return false;
376: }
377:
378: try {
379: #if (defined(HAVE_FCHMOD) && defined(PA_SAFE_MODE))
380: struct stat finfo;
381: if(pa_fstat(f, &finfo)==0 && finfo.st_mode & 0111)
382: fchmod(f, finfo.st_mode & 0666/*clear executable bits*/); // backward: ignore errors if any
383: #endif
384: action(f, context);
385: } catch(...) {
386: #ifdef HAVE_FTRUNCATE
387: if(!do_append)
388: PA_UNUSED int ignore_result=ftruncate(f, lseek(f, 0, SEEK_CUR)); // one cannot use O_TRUNC, read lower
389: #endif
390: pa_unlock(f);close(f);
391: rethrow;
392: }
393:
394: #ifdef HAVE_FTRUNCATE
395: if(!do_append)
396: PA_UNUSED int ignore_result=ftruncate(f, lseek(f, 0, SEEK_CUR)); // O_TRUNC truncates even exclusevely write-locked file [thanks to Igor Milyakov <virtan@rotabanner.com> for discovering]
397: #endif
398: pa_unlock(f);close(f);
399: return true;
400: } else
401: throw Exception(errno==EACCES ? "file.access" : 0, &file_spec, "%s failed: %s (%d), actual filename '%s'", action_name, strerror(errno), errno, fname);
402: // here should be nothing, see rethrow above
403: }
404:
405: #ifndef DOXYGEN
406: struct File_write_action_info {
407: const char* str;
408: size_t length;
409: };
410: #endif
411:
412: // a single write() must stay below INT_MAX as windows _write() reports written bytes as int
413: #define FILE_WRITE_CHUNK_SIZE (256*0x100000)
414:
415: static const char* bytes_left(size_t rest) {
416: return rest ? pa_strcat(", ", pa_uitoa(rest), " bytes left") : "";
417: }
418:
419: static void file_write_action(int f, void *context) {
420: File_write_action_info& info=*static_cast<File_write_action_info *>(context);
421:
422: const char* data=info.str;
423: size_t left=info.length;
424:
425: while(left) {
426: size_t portion=min(left, (size_t)FILE_WRITE_CHUNK_SIZE);
427: ssize_t written=write(f, data, portion);
428: if(written<0)
429: throw Exception("file.write", 0, "error writing %s bytes: %s (%d)%s", pa_uitoa(portion), strerror(errno), errno, bytes_left(left-portion));
430: if(written==0)
431: throw Exception("file.write", 0, "error writing %s bytes: zero bytes written%s", pa_uitoa(portion), bytes_left(left-portion));
432: data+=written;
433: left-=written;
434: }
435: }
436:
437: void file_write(
438: Request_charsets& charsets,
439: const String& file_spec,
440: const char* data,
1.3 moko 441: size_t size,
442: bool as_text,
1.1 moko 443: bool do_append,
444: Charset* asked_charset) {
445:
446: if(as_text && asked_charset){
447: String::C body=String::C(data, size);
448: body=Charset::transcode(body, charsets.source(), *asked_charset);
449: data=body.str;
450: size=body.length;
451: };
452:
453: File_write_action_info info={data, size};
454:
455: file_write_action_under_lock(
456: file_spec,
457: "write",
458: file_write_action,
459: &info,
460: as_text,
461: do_append);
462: }
463:
464: static size_t get_dir(char* fname, size_t helper_length){
465: bool dir=false;
466: size_t pos=0;
467: for(pos=helper_length; pos; pos--){
468: char c=fname[pos-1];
1.6 moko 469: if(c=='/'){
1.1 moko 470: fname[pos-1]=0;
471: dir=true;
472: } else if(dir) break;
473: }
474: return pos;
475: }
476:
477: bool entry_exists(const char* fname, struct stat *afinfo) {
478: struct stat lfinfo;
479: bool result=pa_stat(fname, &lfinfo)==0;
480: if(afinfo)
481: *afinfo=lfinfo;
482: return result;
483: }
484:
485: bool entry_exists(const String& file_spec) {
1.3 moko 486: return entry_exists(file_spec.taint_cstr(String::L_FILE_SPEC), 0);
1.1 moko 487: }
488:
489: static bool entry_ifdir(char *fname, bool need_dir) {
490: if(need_dir){
491: size_t size=strlen(fname);
492: while(size) {
493: char c=fname[size-1];
1.6 moko 494: if(c=='/')
1.1 moko 495: fname[--size]=0;
496: else
497: break;
498: }
499: }
500:
501: struct stat finfo;
502: if(entry_exists(fname, &finfo)) {
503: bool is_dir=(finfo.st_mode&S_IFDIR) != 0;
504: return is_dir==need_dir;
505: }
506: return false;
507: }
508:
509: static bool entry_ifdir(const String& file_spec, bool need_dir) {
510: return entry_ifdir(file_spec.taint_cstrm(String::L_FILE_SPEC), need_dir);
511: }
512:
513: // throws nothing! [this is required in file_move & file_delete]
514: static void rmdir(const String& file_spec, size_t pos_after) {
515: char* dir_spec=file_spec.taint_cstrm(String::L_FILE_SPEC);
516: size_t length=strlen(dir_spec);
517: while( (length=get_dir(dir_spec, length)) && (length > pos_after) ){
518: #ifdef _MSC_VER
519: if(!entry_ifdir(dir_spec, true))
520: break;
521: DWORD attrs=GetFileAttributesW(PA_UTF16_ENC(dir_spec));
522: if(
523: (attrs==INVALID_FILE_ATTRIBUTES)
524: || !(attrs & FILE_ATTRIBUTE_DIRECTORY)
525: || (attrs & FILE_ATTRIBUTE_REPARSE_POINT)
526: )
527: break;
528: #endif
529: if(pa_rmdir(dir_spec))
530: break;
531: };
532: }
533:
534: bool file_delete(const String& file_spec, bool fail_on_problem, bool keep_empty_dirs) {
1.3 moko 535: const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC);
1.1 moko 536: if(pa_unlink(fname)!=0) {
537: if(fail_on_problem)
538: throw Exception(errno==EACCES?"file.access":errno==ENOENT?"file.missing":0,
539: &file_spec, "unlink failed: %s (%d), actual filename '%s'", strerror(errno), errno, fname);
540: else
541: return false;
542: }
543:
544: if(!keep_empty_dirs)
1.3 moko 545: rmdir(file_spec, 1);
1.1 moko 546:
547: return true;
548: }
549:
550: void file_move(const String& old_spec, const String& new_spec, bool keep_empty_dirs) {
1.3 moko 551: const char* old_spec_cstr=old_spec.taint_cstr(String::L_FILE_SPEC);
552: const char* new_spec_cstr=new_spec.taint_cstr(String::L_FILE_SPEC);
1.1 moko 553:
1.3 moko 554: create_dir_for_file(new_spec);
1.1 moko 555:
556: if(pa_rename(old_spec_cstr, new_spec_cstr)!=0)
557: throw Exception(errno==EACCES ? "file.access" : errno==ENOENT ? "file.missing" : 0,
558: &old_spec, "rename failed: %s (%d), actual filename '%s' to '%s'", strerror(errno), errno, old_spec_cstr, new_spec_cstr);
559:
560: if(!keep_empty_dirs)
1.3 moko 561: rmdir(old_spec, 1);
1.1 moko 562: }
563:
564:
565: bool file_exist(const String& file_spec) {
1.3 moko 566: return entry_ifdir(file_spec, false);
1.1 moko 567: }
568:
569: bool dir_exists(const String& file_spec) {
1.3 moko 570: return entry_ifdir(file_spec, true);
1.1 moko 571: }
572:
573: const String* file_exist(const String& path, const String& name) {
574: String& result=*new String(path);
1.6 moko 575: if(path.last_char() != '/')
1.1 moko 576: result << "/";
577: result << name;
578: return file_exist(result)?&result:0;
579: }
580:
581: bool file_executable(const String& file_spec) {
582: return access(file_spec.taint_cstr(String::L_FILE_SPEC), X_OK)==0;
583: }
584:
585: bool file_stat(const String& file_spec, uint64_t& rsize, time_t& ratime, time_t& rmtime, time_t& rctime, bool fail_on_read_problem) {
1.3 moko 586: const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC);
1.1 moko 587: struct stat finfo;
588: if(pa_stat(fname, &finfo)!=0) {
589: if(fail_on_read_problem)
590: throw Exception("file.missing", &file_spec, "getting file size failed: %s (%d), real filename '%s'", strerror(errno), errno, fname);
591: else
592: return false;
593: }
594: rsize=finfo.st_size;
595: ratime=(time_t)finfo.st_atime;
596: rmtime=(time_t)finfo.st_mtime;
597: rctime=(time_t)finfo.st_ctime;
598: return true;
599: }
600:
601: size_t check_file_size(uint64_t size, const String* file_spec){
602: if(size > (uint64_t)pa_file_size_limit)
1.2 moko 603: throw Exception(PARSER_RUNTIME, file_spec, "content size of %s bytes exceeds the limit (%s bytes)", pa_uitoa(size), pa_uitoa(pa_file_size_limit));
1.1 moko 604: return (size_t)size;
605: }
606:
1.3 moko 607: /**
1.1 moko 608: String related functions
609: */
610:
611: const char *pa_filename(const char *path){
612: const char *slash=strrpbrk(path, "/\\");
613: return slash ? slash+1 : path;
614: }
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