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Diffstat (limited to 'src/regposerr.c')
| -rw-r--r-- | src/regposerr.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/regposerr.c b/src/regposerr.c new file mode 100644 index 0000000..fc71eee --- /dev/null +++ b/src/regposerr.c @@ -0,0 +1,105 @@ +/********************************************************************** + regposerr.c - Oniguruma (regular expression library) +**********************************************************************/ +/*- + * Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "config.h" +#include "onigposix.h" + +#ifdef HAVE_STRING_H +# include <string.h> +#else +# include <strings.h> +#endif + +#if defined(__GNUC__) +# define ARG_UNUSED __attribute__ ((unused)) +#else +# define ARG_UNUSED +#endif + +#if defined(_WIN32) && !defined(__GNUC__) +#define xsnprintf sprintf_s +#define xstrncpy(dest,src,size) strncpy_s(dest,size,src,_TRUNCATE) +#else +#define xsnprintf snprintf +#define xstrncpy strncpy +#endif + +static char* ESTRING[] = { + NULL, + "failed to match", /* REG_NOMATCH */ + "Invalid regular expression", /* REG_BADPAT */ + "invalid collating element referenced", /* REG_ECOLLATE */ + "invalid character class type referenced", /* REG_ECTYPE */ + "bad backslash-escape sequence", /* REG_EESCAPE */ + "invalid back reference number", /* REG_ESUBREG */ + "imbalanced [ and ]", /* REG_EBRACK */ + "imbalanced ( and )", /* REG_EPAREN */ + "imbalanced { and }", /* REG_EBRACE */ + "invalid repeat range {n,m}", /* REG_BADBR */ + "invalid range", /* REG_ERANGE */ + "Out of memory", /* REG_ESPACE */ + "? * + not preceded by valid regular expression", /* REG_BADRPT */ + + /* Extended errors */ + "internal error", /* REG_EONIG_INTERNAL */ + "invalid wide char value", /* REG_EONIG_BADWC */ + "invalid argument" /* REG_EONIG_BADARG */ +}; + +#include <stdio.h> + + +extern size_t +regerror(int posix_ecode, const regex_t* reg ARG_UNUSED, char* buf, + size_t size) +{ + char* s; + char tbuf[35]; + size_t len; + + if (posix_ecode > 0 + && posix_ecode < (int )(sizeof(ESTRING) / sizeof(ESTRING[0]))) { + s = ESTRING[posix_ecode]; + } + else if (posix_ecode == 0) { + s = ""; + } + else { + xsnprintf(tbuf, sizeof(tbuf), "undefined error code (%d)", posix_ecode); + s = tbuf; + } + + len = strlen(s) + 1; /* use strlen() because s is ascii encoding. */ + + if (buf != NULL && size > 0) { + xstrncpy(buf, s, size - 1); + buf[size - 1] = '\0'; + } + return len; +} |