4 * Copyright 2002 Alexandre Julliard for CodeWeavers
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
39 #include "setupapi_private.h"
41 #include "wine/unicode.h"
42 #include "wine/debug.h"
44 WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
46 #define CONTROL_Z '\x1a'
47 #define MAX_SECTION_NAME_LEN 255
48 #define MAX_FIELD_LEN 511 /* larger fields get silently truncated */
49 /* actual string limit is MAX_INF_STRING_LENGTH+1 (plus terminating null) under Windows */
50 #define MAX_STRING_LEN (MAX_INF_STRING_LENGTH+1)
52 /* inf file structure definitions */
56 const WCHAR *text; /* field text */
61 int first_field; /* index of first field in field array */
62 int nb_fields; /* number of fields in line */
63 int key_field; /* index of field for key or -1 if no key */
68 const WCHAR *name; /* section name */
69 unsigned int nb_lines; /* number of used lines */
70 unsigned int alloc_lines; /* total number of allocated lines in array below */
71 struct line lines[16]; /* lines information (grown dynamically, 16 is initial size) */
76 struct inf_file *next; /* next appended file */
77 WCHAR *strings; /* buffer for string data (section names and field values) */
78 WCHAR *string_pos; /* position of next available string in buffer */
79 unsigned int nb_sections; /* number of used sections */
80 unsigned int alloc_sections; /* total number of allocated section pointers */
81 struct section **sections; /* section pointers array */
82 unsigned int nb_fields;
83 unsigned int alloc_fields;
85 int strings_section; /* index of [Strings] section or -1 if none */
86 WCHAR *filename; /* filename of the INF */
89 /* parser definitions */
93 LINE_START, /* at beginning of a line */
94 SECTION_NAME, /* parsing a section name */
95 KEY_NAME, /* parsing a key name */
96 VALUE_NAME, /* parsing a value name */
97 EOL_BACKSLASH, /* backslash at end of line */
98 QUOTES, /* inside quotes */
99 LEADING_SPACES, /* leading spaces */
100 TRAILING_SPACES, /* trailing spaces */
101 COMMENT, /* inside a comment */
107 const WCHAR *start; /* start position of item being parsed */
108 const WCHAR *end; /* end of buffer */
109 struct inf_file *file; /* file being built */
110 enum parser_state state; /* current parser state */
111 enum parser_state stack[4]; /* state stack */
112 int stack_pos; /* current pos in stack */
114 int cur_section; /* index of section being parsed*/
115 struct line *line; /* current line */
116 unsigned int line_pos; /* current line position in file */
117 unsigned int error; /* error code */
118 unsigned int token_len; /* current token len */
119 WCHAR token[MAX_FIELD_LEN+1]; /* current token */
122 typedef const WCHAR * (*parser_state_func)( struct parser *parser, const WCHAR *pos );
124 /* parser state machine functions */
125 static const WCHAR *line_start_state( struct parser *parser, const WCHAR *pos );
126 static const WCHAR *section_name_state( struct parser *parser, const WCHAR *pos );
127 static const WCHAR *key_name_state( struct parser *parser, const WCHAR *pos );
128 static const WCHAR *value_name_state( struct parser *parser, const WCHAR *pos );
129 static const WCHAR *eol_backslash_state( struct parser *parser, const WCHAR *pos );
130 static const WCHAR *quotes_state( struct parser *parser, const WCHAR *pos );
131 static const WCHAR *leading_spaces_state( struct parser *parser, const WCHAR *pos );
132 static const WCHAR *trailing_spaces_state( struct parser *parser, const WCHAR *pos );
133 static const WCHAR *comment_state( struct parser *parser, const WCHAR *pos );
135 static const parser_state_func parser_funcs[NB_PARSER_STATES] =
137 line_start_state, /* LINE_START */
138 section_name_state, /* SECTION_NAME */
139 key_name_state, /* KEY_NAME */
140 value_name_state, /* VALUE_NAME */
141 eol_backslash_state, /* EOL_BACKSLASH */
142 quotes_state, /* QUOTES */
143 leading_spaces_state, /* LEADING_SPACES */
144 trailing_spaces_state, /* TRAILING_SPACES */
145 comment_state /* COMMENT */
149 /* Unicode string constants */
150 static const WCHAR Version[] = {'V','e','r','s','i','o','n',0};
151 static const WCHAR Signature[] = {'S','i','g','n','a','t','u','r','e',0};
152 static const WCHAR Chicago[] = {'$','C','h','i','c','a','g','o','$',0};
153 static const WCHAR WindowsNT[] = {'$','W','i','n','d','o','w','s',' ','N','T','$',0};
154 static const WCHAR Windows95[] = {'$','W','i','n','d','o','w','s',' ','9','5','$',0};
155 static const WCHAR LayoutFile[] = {'L','a','y','o','u','t','F','i','l','e',0};
157 /* extend an array, allocating more memory if necessary */
158 static void *grow_array( void *array, unsigned int *count, size_t elem )
161 unsigned int new_count = *count + *count / 2;
162 if (new_count < 32) new_count = 32;
165 new_array = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, array, new_count * elem );
167 new_array = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, new_count * elem );
172 HeapFree( GetProcessHeap(), 0, array );
177 /* get the directory of the inf file (as counted string, not null-terminated) */
178 static const WCHAR *get_inf_dir( struct inf_file *file, unsigned int *len )
180 const WCHAR *p = strrchrW( file->filename, '\\' );
181 *len = p ? (p + 1 - file->filename) : 0;
182 return file->filename;
186 /* find a section by name */
187 static int find_section( struct inf_file *file, const WCHAR *name )
191 for (i = 0; i < file->nb_sections; i++)
192 if (!strcmpiW( name, file->sections[i]->name )) return i;
197 /* find a line by name */
198 static struct line *find_line( struct inf_file *file, int section_index, const WCHAR *name )
200 struct section *section;
204 if (section_index < 0 || section_index >= file->nb_sections) return NULL;
205 section = file->sections[section_index];
206 for (i = 0, line = section->lines; i < section->nb_lines; i++, line++)
208 if (line->key_field == -1) continue;
209 if (!strcmpiW( name, file->fields[line->key_field].text )) return line;
215 /* add a section to the file and return the section index */
216 static int add_section( struct inf_file *file, const WCHAR *name )
218 struct section *section;
220 if (file->nb_sections >= file->alloc_sections)
222 if (!(file->sections = grow_array( file->sections, &file->alloc_sections,
223 sizeof(file->sections[0]) ))) return -1;
225 if (!(section = HeapAlloc( GetProcessHeap(), 0, sizeof(*section) ))) return -1;
226 section->name = name;
227 section->nb_lines = 0;
228 section->alloc_lines = sizeof(section->lines)/sizeof(section->lines[0]);
229 file->sections[file->nb_sections] = section;
230 return file->nb_sections++;
234 /* add a line to a given section */
235 static struct line *add_line( struct inf_file *file, int section_index )
237 struct section *section;
240 assert( section_index >= 0 && section_index < file->nb_sections );
242 section = file->sections[section_index];
243 if (section->nb_lines == section->alloc_lines) /* need to grow the section */
245 int size = sizeof(*section) - sizeof(section->lines) + 2*section->alloc_lines*sizeof(*line);
246 if (!(section = HeapReAlloc( GetProcessHeap(), 0, section, size ))) return NULL;
247 section->alloc_lines *= 2;
248 file->sections[section_index] = section;
250 line = §ion->lines[section->nb_lines++];
251 line->first_field = file->nb_fields;
253 line->key_field = -1;
258 /* retrieve a given line from section/line index */
259 inline static struct line *get_line( struct inf_file *file, unsigned int section_index,
260 unsigned int line_index )
262 struct section *section;
264 if (section_index >= file->nb_sections) return NULL;
265 section = file->sections[section_index];
266 if (line_index >= section->nb_lines) return NULL;
267 return §ion->lines[line_index];
271 /* retrieve a given field from section/line/field index */
272 static struct field *get_field( struct inf_file *file, int section_index, int line_index,
275 struct line *line = get_line( file, section_index, line_index );
277 if (!line) return NULL;
278 if (!field_index) /* get the key */
280 if (line->key_field == -1) return NULL;
281 return &file->fields[line->key_field];
284 if (field_index >= line->nb_fields) return NULL;
285 return &file->fields[line->first_field + field_index];
289 /* allocate a new field, growing the array if necessary */
290 static struct field *add_field( struct inf_file *file, const WCHAR *text )
294 if (file->nb_fields >= file->alloc_fields)
296 if (!(file->fields = grow_array( file->fields, &file->alloc_fields,
297 sizeof(file->fields[0]) ))) return NULL;
299 field = &file->fields[file->nb_fields++];
305 /* retrieve the string substitution for a directory id */
306 static const WCHAR *get_dirid_subst( struct inf_file *file, int dirid, unsigned int *len )
310 if (dirid == DIRID_SRCPATH) return get_inf_dir( file, len );
311 ret = DIRID_get_string( dirid );
312 if (ret) *len = strlenW(ret);
317 /* retrieve the string substitution for a given string, or NULL if not found */
318 /* if found, len is set to the substitution length */
319 static const WCHAR *get_string_subst( struct inf_file *file, const WCHAR *str, unsigned int *len )
321 static const WCHAR percent = '%';
323 struct section *strings_section;
328 WCHAR *dirid_str, *end;
329 const WCHAR *ret = NULL;
331 if (!*len) /* empty string (%%) is replaced by single percent */
336 if (file->strings_section == -1) goto not_found;
337 strings_section = file->sections[file->strings_section];
338 for (i = 0, line = strings_section->lines; i < strings_section->nb_lines; i++, line++)
340 if (line->key_field == -1) continue;
341 if (strncmpiW( str, file->fields[line->key_field].text, *len )) continue;
342 if (!file->fields[line->key_field].text[*len]) break;
344 if (i == strings_section->nb_lines || !line->nb_fields) goto not_found;
345 field = &file->fields[line->first_field];
346 *len = strlenW( field->text );
349 not_found: /* check for integer id */
350 if ((dirid_str = HeapAlloc( GetProcessHeap(), 0, (*len+1) * sizeof(WCHAR) )))
352 memcpy( dirid_str, str, *len * sizeof(WCHAR) );
354 dirid = strtolW( dirid_str, &end, 10 );
355 if (!*end) ret = get_dirid_subst( file, dirid, len );
356 HeapFree( GetProcessHeap(), 0, dirid_str );
363 /* do string substitutions on the specified text */
364 /* the buffer is assumed to be large enough */
365 /* returns necessary length not including terminating null */
366 unsigned int PARSER_string_substW( struct inf_file *file, const WCHAR *text, WCHAR *buffer,
369 const WCHAR *start, *subst, *p;
370 unsigned int len, total = 0;
373 if (!buffer) size = MAX_STRING_LEN + 1;
374 for (p = start = text; *p; p++)
376 if (*p != '%') continue;
378 if (inside) /* start of a %xx% string */
381 if (len > size - 1) len = size - 1;
382 if (buffer) memcpy( buffer + total, start, len * sizeof(WCHAR) );
387 else /* end of the %xx% string, find substitution */
390 subst = get_string_subst( file, start + 1, &len );
396 if (len > size - 1) len = size - 1;
397 if (buffer) memcpy( buffer + total, subst, len * sizeof(WCHAR) );
404 if (start != p) /* unfinished string, copy it */
407 if (len > size - 1) len = size - 1;
408 if (buffer) memcpy( buffer + total, start, len * sizeof(WCHAR) );
411 if (buffer && size) buffer[total] = 0;
416 /* do string substitutions on the specified text */
417 /* the buffer is assumed to be large enough */
418 /* returns necessary length not including terminating null */
419 unsigned int PARSER_string_substA( struct inf_file *file, const WCHAR *text, char *buffer,
422 WCHAR buffW[MAX_STRING_LEN+1];
425 unsigned int len = PARSER_string_substW( file, text, buffW, sizeof(buffW)/sizeof(WCHAR) );
426 if (!buffer) RtlUnicodeToMultiByteSize( &ret, buffW, len * sizeof(WCHAR) );
429 RtlUnicodeToMultiByteN( buffer, size-1, &ret, buffW, len * sizeof(WCHAR) );
436 /* push some string data into the strings buffer */
437 static WCHAR *push_string( struct inf_file *file, const WCHAR *string )
439 WCHAR *ret = file->string_pos;
440 strcpyW( ret, string );
441 file->string_pos += strlenW( ret ) + 1;
446 /* push the current state on the parser stack */
447 inline static void push_state( struct parser *parser, enum parser_state state )
449 assert( parser->stack_pos < sizeof(parser->stack)/sizeof(parser->stack[0]) );
450 parser->stack[parser->stack_pos++] = state;
454 /* pop the current state */
455 inline static void pop_state( struct parser *parser )
457 assert( parser->stack_pos );
458 parser->state = parser->stack[--parser->stack_pos];
462 /* set the parser state and return the previous one */
463 inline static enum parser_state set_state( struct parser *parser, enum parser_state state )
465 enum parser_state ret = parser->state;
466 parser->state = state;
471 /* check if the pointer points to an end of file */
472 inline static int is_eof( struct parser *parser, const WCHAR *ptr )
474 return (ptr >= parser->end || *ptr == CONTROL_Z);
478 /* check if the pointer points to an end of line */
479 inline static int is_eol( struct parser *parser, const WCHAR *ptr )
481 return (ptr >= parser->end || *ptr == CONTROL_Z || *ptr == '\n');
485 /* push data from current token start up to pos into the current token */
486 static int push_token( struct parser *parser, const WCHAR *pos )
488 int len = pos - parser->start;
489 const WCHAR *src = parser->start;
490 WCHAR *dst = parser->token + parser->token_len;
492 if (len > MAX_FIELD_LEN - parser->token_len) len = MAX_FIELD_LEN - parser->token_len;
494 parser->token_len += len;
495 for ( ; len > 0; len--, dst++, src++) *dst = *src ? *src : ' ';
502 /* add a section with the current token as name */
503 static int add_section_from_token( struct parser *parser )
507 if (parser->token_len > MAX_SECTION_NAME_LEN)
509 parser->error = ERROR_SECTION_NAME_TOO_LONG;
512 if ((section_index = find_section( parser->file, parser->token )) == -1)
514 /* need to create a new one */
515 const WCHAR *name = push_string( parser->file, parser->token );
516 if ((section_index = add_section( parser->file, name )) == -1)
518 parser->error = ERROR_NOT_ENOUGH_MEMORY;
522 parser->token_len = 0;
523 parser->cur_section = section_index;
524 return section_index;
528 /* add a field containing the current token to the current line */
529 static struct field *add_field_from_token( struct parser *parser, int is_key )
534 if (!parser->line) /* need to start a new line */
536 if (parser->cur_section == -1) /* got a line before the first section */
538 parser->error = ERROR_EXPECTED_SECTION_NAME;
541 if (!(parser->line = add_line( parser->file, parser->cur_section ))) goto error;
543 else assert(!is_key);
545 text = push_string( parser->file, parser->token );
546 if ((field = add_field( parser->file, text )))
548 if (!is_key) parser->line->nb_fields++;
551 /* replace first field by key field */
552 parser->line->key_field = parser->line->first_field;
553 parser->line->first_field++;
555 parser->token_len = 0;
559 parser->error = ERROR_NOT_ENOUGH_MEMORY;
564 /* close the current line and prepare for parsing a new one */
565 static void close_current_line( struct parser *parser )
567 struct line *cur_line = parser->line;
571 /* if line has a single field and no key, the field is the key too */
572 if (cur_line->nb_fields == 1 && cur_line->key_field == -1)
573 cur_line->key_field = cur_line->first_field;
579 /* handler for parser LINE_START state */
580 static const WCHAR *line_start_state( struct parser *parser, const WCHAR *pos )
584 for (p = pos; !is_eof( parser, p ); p++)
590 close_current_line( parser );
593 push_state( parser, LINE_START );
594 set_state( parser, COMMENT );
597 parser->start = p + 1;
598 set_state( parser, SECTION_NAME );
604 set_state( parser, KEY_NAME );
610 close_current_line( parser );
615 /* handler for parser SECTION_NAME state */
616 static const WCHAR *section_name_state( struct parser *parser, const WCHAR *pos )
620 for (p = pos; !is_eol( parser, p ); p++)
624 push_token( parser, p );
625 if (add_section_from_token( parser ) == -1) return NULL;
626 push_state( parser, LINE_START );
627 set_state( parser, COMMENT ); /* ignore everything else on the line */
631 parser->error = ERROR_BAD_SECTION_NAME_LINE; /* unfinished section name */
636 /* handler for parser KEY_NAME state */
637 static const WCHAR *key_name_state( struct parser *parser, const WCHAR *pos )
639 const WCHAR *p, *token_end = parser->start;
641 for (p = pos; !is_eol( parser, p ); p++)
643 if (*p == ',') break;
648 push_token( parser, token_end );
649 if (!add_field_from_token( parser, 1 )) return NULL;
650 parser->start = p + 1;
651 push_state( parser, VALUE_NAME );
652 set_state( parser, LEADING_SPACES );
655 push_token( parser, token_end );
656 if (!add_field_from_token( parser, 0 )) return NULL;
657 push_state( parser, LINE_START );
658 set_state( parser, COMMENT );
661 push_token( parser, p );
662 parser->start = p + 1;
663 push_state( parser, KEY_NAME );
664 set_state( parser, QUOTES );
667 push_token( parser, token_end );
669 push_state( parser, KEY_NAME );
670 set_state( parser, EOL_BACKSLASH );
673 if (!isspaceW(*p)) token_end = p + 1;
676 push_token( parser, p );
677 push_state( parser, KEY_NAME );
678 set_state( parser, TRAILING_SPACES );
684 push_token( parser, token_end );
685 set_state( parser, VALUE_NAME );
690 /* handler for parser VALUE_NAME state */
691 static const WCHAR *value_name_state( struct parser *parser, const WCHAR *pos )
693 const WCHAR *p, *token_end = parser->start;
695 for (p = pos; !is_eol( parser, p ); p++)
700 push_token( parser, token_end );
701 if (!add_field_from_token( parser, 0 )) return NULL;
702 push_state( parser, LINE_START );
703 set_state( parser, COMMENT );
706 push_token( parser, token_end );
707 if (!add_field_from_token( parser, 0 )) return NULL;
708 parser->start = p + 1;
709 push_state( parser, VALUE_NAME );
710 set_state( parser, LEADING_SPACES );
713 push_token( parser, p );
714 parser->start = p + 1;
715 push_state( parser, VALUE_NAME );
716 set_state( parser, QUOTES );
719 push_token( parser, token_end );
721 push_state( parser, VALUE_NAME );
722 set_state( parser, EOL_BACKSLASH );
725 if (!isspaceW(*p)) token_end = p + 1;
728 push_token( parser, p );
729 push_state( parser, VALUE_NAME );
730 set_state( parser, TRAILING_SPACES );
736 push_token( parser, token_end );
737 if (!add_field_from_token( parser, 0 )) return NULL;
738 set_state( parser, LINE_START );
743 /* handler for parser EOL_BACKSLASH state */
744 static const WCHAR *eol_backslash_state( struct parser *parser, const WCHAR *pos )
748 for (p = pos; !is_eof( parser, p ); p++)
754 parser->start = p + 1;
755 set_state( parser, LEADING_SPACES );
760 push_state( parser, EOL_BACKSLASH );
761 set_state( parser, COMMENT );
764 if (isspaceW(*p)) continue;
765 push_token( parser, p );
776 /* handler for parser QUOTES state */
777 static const WCHAR *quotes_state( struct parser *parser, const WCHAR *pos )
779 const WCHAR *p, *token_end = parser->start;
781 for (p = pos; !is_eol( parser, p ); p++)
785 if (p+1 < parser->end && p[1] == '"') /* double quotes */
787 push_token( parser, p + 1 );
788 parser->start = token_end = p + 2;
791 else /* end of quotes */
793 push_token( parser, p );
794 parser->start = p + 1;
800 push_token( parser, p );
806 /* handler for parser LEADING_SPACES state */
807 static const WCHAR *leading_spaces_state( struct parser *parser, const WCHAR *pos )
811 for (p = pos; !is_eol( parser, p ); p++)
816 set_state( parser, EOL_BACKSLASH );
819 if (!isspaceW(*p)) break;
827 /* handler for parser TRAILING_SPACES state */
828 static const WCHAR *trailing_spaces_state( struct parser *parser, const WCHAR *pos )
832 for (p = pos; !is_eol( parser, p ); p++)
836 set_state( parser, EOL_BACKSLASH );
839 if (!isspaceW(*p)) break;
846 /* handler for parser COMMENT state */
847 static const WCHAR *comment_state( struct parser *parser, const WCHAR *pos )
849 const WCHAR *p = pos;
851 while (!is_eol( parser, p )) p++;
857 /* parse a complete buffer */
858 static DWORD parse_buffer( struct inf_file *file, const WCHAR *buffer, const WCHAR *end,
861 static const WCHAR Strings[] = {'S','t','r','i','n','g','s',0};
863 struct parser parser;
864 const WCHAR *pos = buffer;
866 parser.start = buffer;
870 parser.state = LINE_START;
871 parser.stack_pos = 0;
872 parser.cur_section = -1;
875 parser.token_len = 0;
877 /* parser main loop */
878 while (pos) pos = (parser_funcs[parser.state])( &parser, pos );
880 /* trim excess buffer space */
881 if (file->alloc_sections > file->nb_sections)
883 file->sections = HeapReAlloc( GetProcessHeap(), 0, file->sections,
884 file->nb_sections * sizeof(file->sections[0]) );
885 file->alloc_sections = file->nb_sections;
887 if (file->alloc_fields > file->nb_fields)
889 file->fields = HeapReAlloc( GetProcessHeap(), 0, file->fields,
890 file->nb_fields * sizeof(file->fields[0]) );
891 file->alloc_fields = file->nb_fields;
893 file->strings = HeapReAlloc( GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY, file->strings,
894 (file->string_pos - file->strings) * sizeof(WCHAR) );
898 if (error_line) *error_line = parser.line_pos;
902 /* find the [strings] section */
903 file->strings_section = find_section( file, Strings );
908 /* append a child INF file to its parent list, in a thread-safe manner */
909 static void append_inf_file( struct inf_file *parent, struct inf_file *child )
911 struct inf_file **ppnext = &parent->next;
916 struct inf_file *next = InterlockedCompareExchangePointer( (void **)ppnext, child, NULL );
918 ppnext = &next->next;
923 /***********************************************************************
928 static struct inf_file *parse_file( HANDLE handle, const WCHAR *class, UINT *error_line )
932 struct inf_file *file;
934 DWORD size = GetFileSize( handle, NULL );
935 HANDLE mapping = CreateFileMappingW( handle, NULL, PAGE_READONLY, 0, size, NULL );
936 if (!mapping) return NULL;
937 buffer = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, size );
939 if (!buffer) return NULL;
941 if (class) FIXME( "class %s not supported yet\n", debugstr_w(class) );
943 if (!(file = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*file) )))
945 err = ERROR_NOT_ENOUGH_MEMORY;
949 /* we won't need more strings space than the size of the file,
950 * so we can preallocate it here
952 if (!(file->strings = HeapAlloc( GetProcessHeap(), 0, size * sizeof(WCHAR) )))
954 err = ERROR_NOT_ENOUGH_MEMORY;
957 file->string_pos = file->strings;
958 file->strings_section = -1;
960 if (!RtlIsTextUnicode( buffer, size, NULL ))
962 WCHAR *new_buff = HeapAlloc( GetProcessHeap(), 0, size * sizeof(WCHAR) );
965 DWORD len = MultiByteToWideChar( CP_ACP, 0, buffer, size, new_buff, size );
966 err = parse_buffer( file, new_buff, new_buff + len, error_line );
967 HeapFree( GetProcessHeap(), 0, new_buff );
972 WCHAR *new_buff = (WCHAR *)buffer;
973 /* UCS-16 files should start with the Unicode BOM; we should skip it */
974 if (*new_buff == 0xfeff)
976 err = parse_buffer( file, new_buff, (WCHAR *)((char *)buffer + size), error_line );
979 if (!err) /* now check signature */
981 int version_index = find_section( file, Version );
982 if (version_index != -1)
984 struct line *line = find_line( file, version_index, Signature );
985 if (line && line->nb_fields > 0)
987 struct field *field = file->fields + line->first_field;
988 if (!strcmpiW( field->text, Chicago )) goto done;
989 if (!strcmpiW( field->text, WindowsNT )) goto done;
990 if (!strcmpiW( field->text, Windows95 )) goto done;
993 if (error_line) *error_line = 0;
994 err = ERROR_WRONG_INF_STYLE;
998 UnmapViewOfFile( buffer );
1001 HeapFree( GetProcessHeap(), 0, file );
1002 SetLastError( err );
1009 /***********************************************************************
1010 * PARSER_get_inf_filename
1012 * Retrieve the filename of an inf file.
1014 const WCHAR *PARSER_get_inf_filename( HINF hinf )
1016 struct inf_file *file = hinf;
1017 return file->filename;
1021 /***********************************************************************
1022 * PARSER_get_src_root
1024 * Retrieve the source directory of an inf file.
1026 WCHAR *PARSER_get_src_root( HINF hinf )
1029 const WCHAR *dir = get_inf_dir( hinf, &len );
1030 WCHAR *ret = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) );
1033 memcpy( ret, dir, len * sizeof(WCHAR) );
1040 /***********************************************************************
1041 * PARSER_get_dest_dir
1043 * retrieve a destination dir of the form "dirid,relative_path" in the given entry.
1044 * returned buffer must be freed by caller.
1046 WCHAR *PARSER_get_dest_dir( INFCONTEXT *context )
1054 if (!SetupGetIntField( context, 1, &dirid )) return NULL;
1055 if (!(dir = get_dirid_subst( context->Inf, dirid, &len1 ))) return NULL;
1056 if (!SetupGetStringFieldW( context, 2, NULL, 0, &len2 )) len2 = 0;
1057 if (!(ret = HeapAlloc( GetProcessHeap(), 0, (len1+len2+1) * sizeof(WCHAR) ))) return NULL;
1058 memcpy( ret, dir, len1 * sizeof(WCHAR) );
1060 if (len2 && ptr > ret && ptr[-1] != '\\') *ptr++ = '\\';
1061 if (!SetupGetStringFieldW( context, 2, ptr, len2, NULL )) *ptr = 0;
1066 /***********************************************************************
1067 * SetupOpenInfFileA (SETUPAPI.@)
1069 HINF WINAPI SetupOpenInfFileA( PCSTR name, PCSTR class, DWORD style, UINT *error )
1071 UNICODE_STRING nameW, classW;
1072 HINF ret = (HINF)INVALID_HANDLE_VALUE;
1074 classW.Buffer = NULL;
1075 if (class && !RtlCreateUnicodeStringFromAsciiz( &classW, class ))
1077 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1080 if (RtlCreateUnicodeStringFromAsciiz( &nameW, name ))
1082 ret = SetupOpenInfFileW( nameW.Buffer, classW.Buffer, style, error );
1083 RtlFreeUnicodeString( &nameW );
1085 RtlFreeUnicodeString( &classW );
1090 /***********************************************************************
1091 * SetupOpenInfFileW (SETUPAPI.@)
1093 HINF WINAPI SetupOpenInfFileW( PCWSTR name, PCWSTR class, DWORD style, UINT *error )
1095 struct inf_file *file = NULL;
1100 if (strchrW( name, '\\' ) || strchrW( name, '/' ))
1102 if (!(len = GetFullPathNameW( name, 0, NULL, NULL ))) return (HINF)INVALID_HANDLE_VALUE;
1103 if (!(path = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
1105 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1106 return (HINF)INVALID_HANDLE_VALUE;
1108 GetFullPathNameW( name, len, path, NULL );
1109 handle = CreateFileW( path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0 );
1111 else /* try Windows directory */
1113 static const WCHAR Inf[] = {'\\','i','n','f','\\',0};
1114 static const WCHAR System32[] = {'\\','s','y','s','t','e','m','3','2','\\',0};
1116 len = GetWindowsDirectoryW( NULL, 0 ) + strlenW(name) + 12;
1117 if (!(path = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
1119 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1120 return (HINF)INVALID_HANDLE_VALUE;
1122 GetWindowsDirectoryW( path, len );
1123 p = path + strlenW(path);
1126 handle = CreateFileW( path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0 );
1127 if (handle == INVALID_HANDLE_VALUE)
1129 strcpyW( p, System32 );
1131 handle = CreateFileW( path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0 );
1135 if (handle != INVALID_HANDLE_VALUE)
1137 file = parse_file( handle, class, error );
1138 CloseHandle( handle );
1142 HeapFree( GetProcessHeap(), 0, path );
1143 return (HINF)INVALID_HANDLE_VALUE;
1145 TRACE( "%s -> %p\n", debugstr_w(path), file );
1146 file->filename = path;
1152 /***********************************************************************
1153 * SetupOpenAppendInfFileA (SETUPAPI.@)
1155 BOOL WINAPI SetupOpenAppendInfFileA( PCSTR name, HINF parent_hinf, UINT *error )
1159 if (!name) return SetupOpenAppendInfFileW( NULL, parent_hinf, error );
1160 child_hinf = SetupOpenInfFileA( name, NULL, INF_STYLE_WIN4, error );
1161 if (child_hinf == (HINF)INVALID_HANDLE_VALUE) return FALSE;
1162 append_inf_file( parent_hinf, child_hinf );
1163 TRACE( "%p: appended %s (%p)\n", parent_hinf, debugstr_a(name), child_hinf );
1168 /***********************************************************************
1169 * SetupOpenAppendInfFileW (SETUPAPI.@)
1171 BOOL WINAPI SetupOpenAppendInfFileW( PCWSTR name, HINF parent_hinf, UINT *error )
1178 WCHAR filename[MAX_PATH];
1181 if (!SetupFindFirstLineW( parent_hinf, Version, LayoutFile, &context )) return FALSE;
1182 while (SetupGetStringFieldW( &context, idx++, filename,
1183 sizeof(filename)/sizeof(WCHAR), NULL ))
1185 child_hinf = SetupOpenInfFileW( filename, NULL, INF_STYLE_WIN4, error );
1186 if (child_hinf == (HINF)INVALID_HANDLE_VALUE) return FALSE;
1187 append_inf_file( parent_hinf, child_hinf );
1188 TRACE( "%p: appended %s (%p)\n", parent_hinf, debugstr_w(filename), child_hinf );
1192 child_hinf = SetupOpenInfFileW( name, NULL, INF_STYLE_WIN4, error );
1193 if (child_hinf == (HINF)INVALID_HANDLE_VALUE) return FALSE;
1194 append_inf_file( parent_hinf, child_hinf );
1195 TRACE( "%p: appended %s (%p)\n", parent_hinf, debugstr_w(name), child_hinf );
1200 /***********************************************************************
1201 * SetupOpenMasterInf (SETUPAPI.@)
1203 HINF WINAPI SetupOpenMasterInf( VOID )
1205 static const WCHAR Layout[] = {'\\','i','n','f','\\', 'l', 'a', 'y', 'o', 'u', 't', '.', 'i', 'n', 'f', 0};
1206 WCHAR Buffer[MAX_PATH];
1208 GetWindowsDirectoryW( Buffer, MAX_PATH );
1209 strcatW( Buffer, Layout );
1210 return SetupOpenInfFileW( Buffer, NULL, INF_STYLE_WIN4, NULL);
1215 /***********************************************************************
1216 * SetupCloseInfFile (SETUPAPI.@)
1218 void WINAPI SetupCloseInfFile( HINF hinf )
1220 struct inf_file *file = hinf;
1225 for (i = 0; i < file->nb_sections; i++) HeapFree( GetProcessHeap(), 0, file->sections[i] );
1226 HeapFree( GetProcessHeap(), 0, file->filename );
1227 HeapFree( GetProcessHeap(), 0, file->sections );
1228 HeapFree( GetProcessHeap(), 0, file->fields );
1229 HeapFree( GetProcessHeap(), 0, file->strings );
1230 HeapFree( GetProcessHeap(), 0, file );
1234 /***********************************************************************
1235 * SetupGetLineCountA (SETUPAPI.@)
1237 LONG WINAPI SetupGetLineCountA( HINF hinf, PCSTR name )
1239 UNICODE_STRING sectionW;
1242 if (!RtlCreateUnicodeStringFromAsciiz( §ionW, name ))
1243 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1246 ret = SetupGetLineCountW( hinf, sectionW.Buffer );
1247 RtlFreeUnicodeString( §ionW );
1253 /***********************************************************************
1254 * SetupGetLineCountW (SETUPAPI.@)
1256 LONG WINAPI SetupGetLineCountW( HINF hinf, PCWSTR section )
1258 struct inf_file *file = hinf;
1262 for (file = hinf; file; file = file->next)
1264 if ((section_index = find_section( file, section )) == -1) continue;
1265 if (ret == -1) ret = 0;
1266 ret += file->sections[section_index]->nb_lines;
1268 TRACE( "(%p,%s) returning %d\n", hinf, debugstr_w(section), ret );
1269 SetLastError( (ret == -1) ? ERROR_SECTION_NOT_FOUND : 0 );
1274 /***********************************************************************
1275 * SetupGetLineByIndexA (SETUPAPI.@)
1277 BOOL WINAPI SetupGetLineByIndexA( HINF hinf, PCSTR section, DWORD index, INFCONTEXT *context )
1279 UNICODE_STRING sectionW;
1282 if (!RtlCreateUnicodeStringFromAsciiz( §ionW, section ))
1283 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1286 ret = SetupGetLineByIndexW( hinf, sectionW.Buffer, index, context );
1287 RtlFreeUnicodeString( §ionW );
1293 /***********************************************************************
1294 * SetupGetLineByIndexW (SETUPAPI.@)
1296 BOOL WINAPI SetupGetLineByIndexW( HINF hinf, PCWSTR section, DWORD index, INFCONTEXT *context )
1298 struct inf_file *file = hinf;
1301 SetLastError( ERROR_SECTION_NOT_FOUND );
1302 for (file = hinf; file; file = file->next)
1304 if ((section_index = find_section( file, section )) == -1) continue;
1305 SetLastError( ERROR_LINE_NOT_FOUND );
1306 if (index < file->sections[section_index]->nb_lines)
1308 context->Inf = hinf;
1309 context->CurrentInf = file;
1310 context->Section = section_index;
1311 context->Line = index;
1313 TRACE( "(%p,%s): returning %d/%d\n",
1314 hinf, debugstr_w(section), section_index, index );
1317 index -= file->sections[section_index]->nb_lines;
1319 TRACE( "(%p,%s) not found\n", hinf, debugstr_w(section) );
1324 /***********************************************************************
1325 * SetupFindFirstLineA (SETUPAPI.@)
1327 BOOL WINAPI SetupFindFirstLineA( HINF hinf, PCSTR section, PCSTR key, INFCONTEXT *context )
1329 UNICODE_STRING sectionW, keyW;
1332 if (!RtlCreateUnicodeStringFromAsciiz( §ionW, section ))
1334 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1338 if (!key) ret = SetupFindFirstLineW( hinf, sectionW.Buffer, NULL, context );
1341 if (RtlCreateUnicodeStringFromAsciiz( &keyW, key ))
1343 ret = SetupFindFirstLineW( hinf, sectionW.Buffer, keyW.Buffer, context );
1344 RtlFreeUnicodeString( &keyW );
1346 else SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1348 RtlFreeUnicodeString( §ionW );
1353 /***********************************************************************
1354 * SetupFindFirstLineW (SETUPAPI.@)
1356 BOOL WINAPI SetupFindFirstLineW( HINF hinf, PCWSTR section, PCWSTR key, INFCONTEXT *context )
1358 struct inf_file *file;
1361 SetLastError( ERROR_SECTION_NOT_FOUND );
1362 for (file = hinf; file; file = file->next)
1364 if ((section_index = find_section( file, section )) == -1) continue;
1369 ctx.CurrentInf = file;
1370 ctx.Section = section_index;
1372 return SetupFindNextMatchLineW( &ctx, key, context );
1374 SetLastError( ERROR_LINE_NOT_FOUND ); /* found at least one section */
1375 if (file->sections[section_index]->nb_lines)
1377 context->Inf = hinf;
1378 context->CurrentInf = file;
1379 context->Section = section_index;
1382 TRACE( "(%p,%s,%s): returning %d/0\n",
1383 hinf, debugstr_w(section), debugstr_w(key), section_index );
1387 TRACE( "(%p,%s,%s): not found\n", hinf, debugstr_w(section), debugstr_w(key) );
1392 /***********************************************************************
1393 * SetupFindNextLine (SETUPAPI.@)
1395 BOOL WINAPI SetupFindNextLine( PINFCONTEXT context_in, PINFCONTEXT context_out )
1397 struct inf_file *file = context_in->CurrentInf;
1398 struct section *section;
1400 if (context_in->Section >= file->nb_sections) goto error;
1402 section = file->sections[context_in->Section];
1403 if (context_in->Line+1 < section->nb_lines)
1405 if (context_out != context_in) *context_out = *context_in;
1406 context_out->Line++;
1411 /* now search the appended files */
1413 for (file = file->next; file; file = file->next)
1415 int section_index = find_section( file, section->name );
1416 if (section_index == -1) continue;
1417 if (file->sections[section_index]->nb_lines)
1419 context_out->Inf = context_in->Inf;
1420 context_out->CurrentInf = file;
1421 context_out->Section = section_index;
1422 context_out->Line = 0;
1428 SetLastError( ERROR_LINE_NOT_FOUND );
1433 /***********************************************************************
1434 * SetupFindNextMatchLineA (SETUPAPI.@)
1436 BOOL WINAPI SetupFindNextMatchLineA( PINFCONTEXT context_in, PCSTR key,
1437 PINFCONTEXT context_out )
1439 UNICODE_STRING keyW;
1442 if (!key) return SetupFindNextLine( context_in, context_out );
1444 if (!RtlCreateUnicodeStringFromAsciiz( &keyW, key ))
1445 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1448 ret = SetupFindNextMatchLineW( context_in, keyW.Buffer, context_out );
1449 RtlFreeUnicodeString( &keyW );
1455 /***********************************************************************
1456 * SetupFindNextMatchLineW (SETUPAPI.@)
1458 BOOL WINAPI SetupFindNextMatchLineW( PINFCONTEXT context_in, PCWSTR key,
1459 PINFCONTEXT context_out )
1461 struct inf_file *file = context_in->CurrentInf;
1462 struct section *section;
1466 if (!key) return SetupFindNextLine( context_in, context_out );
1468 if (context_in->Section >= file->nb_sections) goto error;
1470 section = file->sections[context_in->Section];
1472 for (i = context_in->Line+1, line = §ion->lines[i]; i < section->nb_lines; i++, line++)
1474 if (line->key_field == -1) continue;
1475 if (!strcmpiW( key, file->fields[line->key_field].text ))
1477 if (context_out != context_in) *context_out = *context_in;
1478 context_out->Line = i;
1480 TRACE( "(%p,%s,%s): returning %d\n",
1481 file, debugstr_w(section->name), debugstr_w(key), i );
1486 /* now search the appended files */
1488 for (file = file->next; file; file = file->next)
1490 int section_index = find_section( file, section->name );
1491 if (section_index == -1) continue;
1492 section = file->sections[section_index];
1493 for (i = 0, line = section->lines; i < section->nb_lines; i++, line++)
1495 if (line->key_field == -1) continue;
1496 if (!strcmpiW( key, file->fields[line->key_field].text ))
1498 context_out->Inf = context_in->Inf;
1499 context_out->CurrentInf = file;
1500 context_out->Section = section_index;
1501 context_out->Line = i;
1503 TRACE( "(%p,%s,%s): returning %d/%d\n",
1504 file, debugstr_w(section->name), debugstr_w(key), section_index, i );
1509 TRACE( "(%p,%s,%s): not found\n",
1510 context_in->CurrentInf, debugstr_w(section->name), debugstr_w(key) );
1512 SetLastError( ERROR_LINE_NOT_FOUND );
1517 /***********************************************************************
1518 * SetupGetLineTextW (SETUPAPI.@)
1520 BOOL WINAPI SetupGetLineTextW( PINFCONTEXT context, HINF hinf, PCWSTR section_name,
1521 PCWSTR key_name, PWSTR buffer, DWORD size, PDWORD required )
1523 struct inf_file *file;
1525 struct field *field;
1531 INFCONTEXT new_context;
1532 if (!SetupFindFirstLineW( hinf, section_name, key_name, &new_context )) return FALSE;
1533 file = new_context.CurrentInf;
1534 line = get_line( file, new_context.Section, new_context.Line );
1538 file = context->CurrentInf;
1539 if (!(line = get_line( file, context->Section, context->Line )))
1541 SetLastError( ERROR_LINE_NOT_FOUND );
1546 for (i = 0, field = &file->fields[line->first_field]; i < line->nb_fields; i++, field++)
1547 total += PARSER_string_substW( file, field->text, NULL, 0 ) + 1;
1549 if (required) *required = total;
1554 SetLastError( ERROR_INSUFFICIENT_BUFFER );
1557 for (i = 0, field = &file->fields[line->first_field]; i < line->nb_fields; i++, field++)
1559 unsigned int len = PARSER_string_substW( file, field->text, buffer, size );
1560 if (i+1 < line->nb_fields) buffer[len] = ',';
1568 /***********************************************************************
1569 * SetupGetLineTextA (SETUPAPI.@)
1571 BOOL WINAPI SetupGetLineTextA( PINFCONTEXT context, HINF hinf, PCSTR section_name,
1572 PCSTR key_name, PSTR buffer, DWORD size, PDWORD required )
1574 struct inf_file *file;
1576 struct field *field;
1582 INFCONTEXT new_context;
1583 if (!SetupFindFirstLineA( hinf, section_name, key_name, &new_context )) return FALSE;
1584 file = new_context.CurrentInf;
1585 line = get_line( file, new_context.Section, new_context.Line );
1589 file = context->CurrentInf;
1590 if (!(line = get_line( file, context->Section, context->Line )))
1592 SetLastError( ERROR_LINE_NOT_FOUND );
1597 for (i = 0, field = &file->fields[line->first_field]; i < line->nb_fields; i++, field++)
1598 total += PARSER_string_substA( file, field->text, NULL, 0 ) + 1;
1600 if (required) *required = total;
1605 SetLastError( ERROR_INSUFFICIENT_BUFFER );
1608 for (i = 0, field = &file->fields[line->first_field]; i < line->nb_fields; i++, field++)
1610 unsigned int len = PARSER_string_substA( file, field->text, buffer, size );
1611 if (i+1 < line->nb_fields) buffer[len] = ',';
1619 /***********************************************************************
1620 * SetupGetFieldCount (SETUPAPI.@)
1622 DWORD WINAPI SetupGetFieldCount( PINFCONTEXT context )
1624 struct inf_file *file = context->CurrentInf;
1625 struct line *line = get_line( file, context->Section, context->Line );
1627 if (!line) return 0;
1628 return line->nb_fields;
1632 /***********************************************************************
1633 * SetupGetStringFieldA (SETUPAPI.@)
1635 BOOL WINAPI SetupGetStringFieldA( PINFCONTEXT context, DWORD index, PSTR buffer,
1636 DWORD size, PDWORD required )
1638 struct inf_file *file = context->CurrentInf;
1639 struct field *field = get_field( file, context->Section, context->Line, index );
1643 if (!field) return FALSE;
1644 len = PARSER_string_substA( file, field->text, NULL, 0 );
1645 if (required) *required = len + 1;
1650 SetLastError( ERROR_INSUFFICIENT_BUFFER );
1653 PARSER_string_substA( file, field->text, buffer, size );
1655 TRACE( "context %p/%p/%d/%d index %d returning %s\n",
1656 context->Inf, context->CurrentInf, context->Section, context->Line,
1657 index, debugstr_a(buffer) );
1663 /***********************************************************************
1664 * SetupGetStringFieldW (SETUPAPI.@)
1666 BOOL WINAPI SetupGetStringFieldW( PINFCONTEXT context, DWORD index, PWSTR buffer,
1667 DWORD size, PDWORD required )
1669 struct inf_file *file = context->CurrentInf;
1670 struct field *field = get_field( file, context->Section, context->Line, index );
1674 if (!field) return FALSE;
1675 len = PARSER_string_substW( file, field->text, NULL, 0 );
1676 if (required) *required = len + 1;
1681 SetLastError( ERROR_INSUFFICIENT_BUFFER );
1684 PARSER_string_substW( file, field->text, buffer, size );
1686 TRACE( "context %p/%p/%d/%d index %d returning %s\n",
1687 context->Inf, context->CurrentInf, context->Section, context->Line,
1688 index, debugstr_w(buffer) );
1694 /***********************************************************************
1695 * SetupGetIntField (SETUPAPI.@)
1697 BOOL WINAPI SetupGetIntField( PINFCONTEXT context, DWORD index, PINT result )
1700 char *end, *buffer = localbuff;
1705 if (!SetupGetStringFieldA( context, index, localbuff, sizeof(localbuff), &required ))
1707 if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) return FALSE;
1708 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, required ))) return FALSE;
1709 if (!SetupGetStringFieldA( context, index, buffer, required, NULL )) goto done;
1711 res = strtol( buffer, &end, 0 );
1712 if (end != buffer && !*end)
1717 else SetLastError( ERROR_INVALID_DATA );
1720 if (buffer != localbuff) HeapFree( GetProcessHeap(), 0, buffer );
1725 /***********************************************************************
1726 * SetupGetBinaryField (SETUPAPI.@)
1728 BOOL WINAPI SetupGetBinaryField( PINFCONTEXT context, DWORD index, BYTE *buffer,
1729 DWORD size, LPDWORD required )
1731 struct inf_file *file = context->CurrentInf;
1732 struct line *line = get_line( file, context->Section, context->Line );
1733 struct field *field;
1738 SetLastError( ERROR_LINE_NOT_FOUND );
1741 if (!index || index > line->nb_fields)
1743 SetLastError( ERROR_INVALID_PARAMETER );
1746 index--; /* fields start at 0 */
1747 if (required) *required = line->nb_fields - index;
1748 if (!buffer) return TRUE;
1749 if (size < line->nb_fields - index)
1751 SetLastError( ERROR_INSUFFICIENT_BUFFER );
1754 field = &file->fields[line->first_field + index];
1755 for (i = index; i < line->nb_fields; i++, field++)
1759 for (p = field->text; *p && isxdigitW(*p); p++)
1761 if ((value <<= 4) > 255)
1763 SetLastError( ERROR_INVALID_DATA );
1766 if (*p <= '9') value |= (*p - '0');
1767 else value |= (tolowerW(*p) - 'a' + 10);
1769 buffer[i - index] = value;
1771 if (TRACE_ON(setupapi))
1773 TRACE( "%p/%p/%d/%d index %d returning",
1774 context->Inf, context->CurrentInf, context->Section, context->Line, index );
1775 for (i = index; i < line->nb_fields; i++) TRACE( " %02x", buffer[i - index] );
1782 /***********************************************************************
1783 * SetupGetMultiSzFieldA (SETUPAPI.@)
1785 BOOL WINAPI SetupGetMultiSzFieldA( PINFCONTEXT context, DWORD index, PSTR buffer,
1786 DWORD size, LPDWORD required )
1788 struct inf_file *file = context->CurrentInf;
1789 struct line *line = get_line( file, context->Section, context->Line );
1790 struct field *field;
1797 SetLastError( ERROR_LINE_NOT_FOUND );
1800 if (!index || index > line->nb_fields)
1802 SetLastError( ERROR_INVALID_PARAMETER );
1805 index--; /* fields start at 0 */
1806 field = &file->fields[line->first_field + index];
1807 for (i = index; i < line->nb_fields; i++, field++)
1809 if (!(len = PARSER_string_substA( file, field->text, NULL, 0 ))) break;
1813 if (required) *required = total;
1814 if (!buffer) return TRUE;
1817 SetLastError( ERROR_INSUFFICIENT_BUFFER );
1820 field = &file->fields[line->first_field + index];
1821 for (i = index; i < line->nb_fields; i++, field++)
1823 if (!(len = PARSER_string_substA( file, field->text, buffer, size ))) break;
1826 *buffer = 0; /* add final null */
1831 /***********************************************************************
1832 * SetupGetMultiSzFieldW (SETUPAPI.@)
1834 BOOL WINAPI SetupGetMultiSzFieldW( PINFCONTEXT context, DWORD index, PWSTR buffer,
1835 DWORD size, LPDWORD required )
1837 struct inf_file *file = context->CurrentInf;
1838 struct line *line = get_line( file, context->Section, context->Line );
1839 struct field *field;
1846 SetLastError( ERROR_LINE_NOT_FOUND );
1849 if (!index || index > line->nb_fields)
1851 SetLastError( ERROR_INVALID_PARAMETER );
1854 index--; /* fields start at 0 */
1855 field = &file->fields[line->first_field + index];
1856 for (i = index; i < line->nb_fields; i++, field++)
1858 if (!(len = PARSER_string_substW( file, field->text, NULL, 0 ))) break;
1862 if (required) *required = total;
1863 if (!buffer) return TRUE;
1866 SetLastError( ERROR_INSUFFICIENT_BUFFER );
1869 field = &file->fields[line->first_field + index];
1870 for (i = index; i < line->nb_fields; i++, field++)
1872 if (!(len = PARSER_string_substW( file, field->text, buffer, size ))) break;
1875 *buffer = 0; /* add final null */
1879 /***********************************************************************
1880 * pSetupGetField (SETUPAPI.@)
1882 LPCWSTR WINAPI pSetupGetField( PINFCONTEXT context, DWORD index )
1884 struct inf_file *file = context->CurrentInf;
1885 struct field *field = get_field( file, context->Section, context->Line, index );
1889 SetLastError( ERROR_INVALID_PARAMETER );