/[pcre]/code/tags/pcre-1.05/pcreposix.h
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Contents of /code/tags/pcre-1.05/pcreposix.h

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Revision 14 - (show annotations) (download)
Sat Feb 24 21:38:23 2007 UTC (7 years, 6 months ago) by nigel
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Tag code/trunk as code/tags/pcre-1.05.

1 /*************************************************
2 * Perl-Compatible Regular Expressions *
3 *************************************************/
4
5 /* Copyright (c) 1997 University of Cambridge */
6
7 #ifndef _PCREPOSIX_H
8 #define _PCREPOSIX_H
9
10 /* This is the header for the POSIX wrapper interface to the PCRE Perl-
11 Compatible Regular Expression library. It defines the things POSIX says should
12 be there. I hope. */
13
14 /* Have to include stdlib.h in order to ensure that size_t is defined. */
15
16 #include <stdlib.h>
17
18 /* Options defined by POSIX. */
19
20 #define REG_ICASE 0x01
21 #define REG_NEWLINE 0x02
22 #define REG_NOTBOL 0x04
23 #define REG_NOTEOL 0x08
24
25 /* Error values. Not all these are relevant or used by the wrapper. */
26
27 enum {
28 REG_ASSERT = 1, /* internal error ? */
29 REG_BADBR, /* invalid repeat counts in {} */
30 REG_BADPAT, /* pattern error */
31 REG_BADRPT, /* ? * + invalid */
32 REG_EBRACE, /* unbalanced {} */
33 REG_EBRACK, /* unbalanced [] */
34 REG_ECOLLATE, /* collation error - not relevant */
35 REG_ECTYPE, /* bad class */
36 REG_EESCAPE, /* bad escape sequence */
37 REG_EMPTY, /* empty expression */
38 REG_EPAREN, /* unbalanced () */
39 REG_ERANGE, /* bad range inside [] */
40 REG_ESIZE, /* expression too big */
41 REG_ESPACE, /* failed to get memory */
42 REG_ESUBREG, /* bad back reference */
43 REG_INVARG, /* bad argument */
44 REG_NOMATCH /* match failed */
45 };
46
47
48 /* The structure representing a compiled regular expression. */
49
50 typedef struct {
51 void *re_pcre;
52 size_t re_nsub;
53 size_t re_erroffset;
54 } regex_t;
55
56 /* The structure in which a captured offset is returned. */
57
58 typedef int regoff_t;
59
60 typedef struct {
61 regoff_t rm_so;
62 regoff_t rm_eo;
63 } regmatch_t;
64
65 /* The functions */
66
67 extern int regcomp(regex_t *, const char *, int);
68 extern int regexec(regex_t *, const char *, size_t, regmatch_t *, int);
69 extern size_t regerror(int, const regex_t *, char *, size_t);
70 extern void regfree(regex_t *);
71
72 #endif /* End of pcreposix.h */

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