/************************************************* * Perl-Compatible Regular Expressions * *************************************************/ /* Copyright (c) 1997-2001 University of Cambridge */ #ifndef _PCREPOSIX_H #define _PCREPOSIX_H /* This is the header for the POSIX wrapper interface to the PCRE Perl- Compatible Regular Expression library. It defines the things POSIX says should be there. I hope. */ /* Have to include stdlib.h in order to ensure that size_t is defined. */ #include <stdlib.h> /* Allow for C++ users */ #ifdef __cplusplus extern "C" { #endif /* Options defined by POSIX. */ #define REG_ICASE 0x01 #define REG_NEWLINE 0x02 #define REG_NOTBOL 0x04 #define REG_NOTEOL 0x08 /* These are not used by PCRE, but by defining them we make it easier to slot PCRE into existing programs that make POSIX calls. */ #define REG_EXTENDED 0 #define REG_NOSUB 0 /* Error values. Not all these are relevant or used by the wrapper. */ enum { REG_ASSERT = 1, /* internal error ? */ REG_BADBR, /* invalid repeat counts in {} */ REG_BADPAT, /* pattern error */ REG_BADRPT, /* ? * + invalid */ REG_EBRACE, /* unbalanced {} */ REG_EBRACK, /* unbalanced [] */ REG_ECOLLATE, /* collation error - not relevant */ REG_ECTYPE, /* bad class */ REG_EESCAPE, /* bad escape sequence */ REG_EMPTY, /* empty expression */ REG_EPAREN, /* unbalanced () */ REG_ERANGE, /* bad range inside [] */ REG_ESIZE, /* expression too big */ REG_ESPACE, /* failed to get memory */ REG_ESUBREG, /* bad back reference */ REG_INVARG, /* bad argument */ REG_NOMATCH /* match failed */ }; /* The structure representing a compiled regular expression. */ typedef struct { void *re_pcre; size_t re_nsub; size_t re_erroffset; } regex_t; /* The structure in which a captured offset is returned. */ typedef int regoff_t; typedef struct { regoff_t rm_so; regoff_t rm_eo; } regmatch_t; /* The functions */ extern int regcomp(regex_t *, const char *, int); extern int regexec(regex_t *, const char *, size_t, regmatch_t *, int); extern size_t regerror(int, const regex_t *, char *, size_t); extern void regfree(regex_t *); #ifdef __cplusplus } /* extern "C" */ #endif #endif /* End of pcreposix.h */