1 /*************************************************
2 * Perl-Compatible Regular Expressions *
3 *************************************************/
5 /* Copyright (c) 1997-2000 University of Cambridge */
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
14 /* Have to include stdlib.h in order to ensure that size_t is defined. */
18 /* Allow for C++ users */
24 /* Options defined by POSIX. */
26 #define REG_ICASE 0x01
27 #define REG_NEWLINE 0x02
28 #define REG_NOTBOL 0x04
29 #define REG_NOTEOL 0x08
31 /* These are not used by PCRE, but by defining them we make it easier
32 to slot PCRE into existing programs that make POSIX calls. */
34 #define REG_EXTENDED 0
37 /* Error values. Not all these are relevant or used by the wrapper. */
40 REG_ASSERT = 1, /* internal error ? */
41 REG_BADBR, /* invalid repeat counts in {} */
42 REG_BADPAT, /* pattern error */
43 REG_BADRPT, /* ? * + invalid */
44 REG_EBRACE, /* unbalanced {} */
45 REG_EBRACK, /* unbalanced [] */
46 REG_ECOLLATE, /* collation error - not relevant */
47 REG_ECTYPE, /* bad class */
48 REG_EESCAPE, /* bad escape sequence */
49 REG_EMPTY, /* empty expression */
50 REG_EPAREN, /* unbalanced () */
51 REG_ERANGE, /* bad range inside [] */
52 REG_ESIZE, /* expression too big */
53 REG_ESPACE, /* failed to get memory */
54 REG_ESUBREG, /* bad back reference */
55 REG_INVARG, /* bad argument */
56 REG_NOMATCH /* match failed */
60 /* The structure representing a compiled regular expression. */
68 /* The structure in which a captured offset is returned. */
79 extern int regcomp(regex_t *, const char *, int);
80 extern int regexec(regex_t *, const char *, size_t, regmatch_t *, int);
81 extern size_t regerror(int, const regex_t *, char *, size_t);
82 extern void regfree(regex_t *);
88 #endif /* End of pcreposix.h */