1144 lines
21 KiB
C
1144 lines
21 KiB
C
/*-
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* Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org>
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* Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <ctype.h>
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#include <errno.h>
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#include <err.h>
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#include <langinfo.h>
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#include <wctype.h>
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#include "bwstring.h"
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#include "sort.h"
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bool byte_sort;
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static wchar_t **wmonths;
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static unsigned char **cmonths;
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/* initialise months */
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void
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initialise_months(void)
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{
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const nl_item item[12] = { ABMON_1, ABMON_2, ABMON_3, ABMON_4,
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ABMON_5, ABMON_6, ABMON_7, ABMON_8, ABMON_9, ABMON_10,
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ABMON_11, ABMON_12 };
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unsigned char *tmp;
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size_t len;
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if (MB_CUR_MAX == 1) {
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if (cmonths == NULL) {
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unsigned char *m;
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cmonths = sort_malloc(sizeof(unsigned char*) * 12);
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for (int i = 0; i < 12; i++) {
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cmonths[i] = NULL;
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tmp = (unsigned char *) nl_langinfo(item[i]);
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if (debug_sort)
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printf("month[%d]=%s\n", i, tmp);
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if (*tmp == '\0')
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continue;
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m = sort_strdup(tmp);
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len = strlen(tmp);
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for (unsigned int j = 0; j < len; j++)
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m[j] = toupper(m[j]);
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cmonths[i] = m;
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}
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}
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} else {
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if (wmonths == NULL) {
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wchar_t *m;
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wmonths = sort_malloc(sizeof(wchar_t *) * 12);
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for (int i = 0; i < 12; i++) {
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wmonths[i] = NULL;
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tmp = (unsigned char *) nl_langinfo(item[i]);
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if (debug_sort)
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printf("month[%d]=%s\n", i, tmp);
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if (*tmp == '\0')
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continue;
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len = strlen(tmp);
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m = sort_malloc(SIZEOF_WCHAR_STRING(len + 1));
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if (mbstowcs(m, (char*)tmp, len) ==
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((size_t) - 1)) {
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sort_free(m);
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continue;
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}
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m[len] = L'\0';
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for (unsigned int j = 0; j < len; j++)
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m[j] = towupper(m[j]);
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wmonths[i] = m;
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}
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}
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}
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}
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/*
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* Compare two wide-character strings
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*/
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static int
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wide_str_coll(const wchar_t *s1, const wchar_t *s2)
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{
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int ret = 0;
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errno = 0;
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ret = wcscoll(s1, s2);
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if (errno == EILSEQ) {
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errno = 0;
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ret = wcscmp(s1, s2);
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if (errno != 0) {
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for (size_t i = 0; ; ++i) {
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wchar_t c1 = s1[i];
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wchar_t c2 = s2[i];
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if (c1 == L'\0')
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return ((c2 == L'\0') ? 0 : -1);
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if (c2 == L'\0')
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return (+1);
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if (c1 == c2)
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continue;
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return ((int)(c1 - c2));
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}
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}
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}
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return (ret);
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}
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/* counterparts of wcs functions */
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void
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bwsprintf(FILE *f, struct bwstring *bws, const char *prefix, const char *suffix)
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{
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if (MB_CUR_MAX == 1)
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fprintf(f, "%s%s%s", prefix, bws->data.cstr, suffix);
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else
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fprintf(f, "%s%S%s", prefix, bws->data.wstr, suffix);
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}
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const void* bwsrawdata(const struct bwstring *bws)
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{
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return (&(bws->data));
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}
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size_t bwsrawlen(const struct bwstring *bws)
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{
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return ((MB_CUR_MAX == 1) ? bws->len : SIZEOF_WCHAR_STRING(bws->len));
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}
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size_t
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bws_memsize(const struct bwstring *bws)
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{
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return ((MB_CUR_MAX == 1) ? (bws->len + 2 + sizeof(struct bwstring)) :
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(SIZEOF_WCHAR_STRING(bws->len + 1) + sizeof(struct bwstring)));
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}
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void
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bws_setlen(struct bwstring *bws, size_t newlen)
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{
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if (bws && newlen != bws->len && newlen <= bws->len) {
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bws->len = newlen;
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if (MB_CUR_MAX == 1)
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bws->data.cstr[newlen] = '\0';
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else
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bws->data.wstr[newlen] = L'\0';
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}
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}
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/*
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* Allocate a new binary string of specified size
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*/
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struct bwstring *
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bwsalloc(size_t sz)
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{
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struct bwstring *ret;
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if (MB_CUR_MAX == 1)
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ret = sort_malloc(sizeof(struct bwstring) + 1 + sz);
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else
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ret = sort_malloc(sizeof(struct bwstring) +
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SIZEOF_WCHAR_STRING(sz + 1));
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ret->len = sz;
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if (MB_CUR_MAX == 1)
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ret->data.cstr[ret->len] = '\0';
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else
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ret->data.wstr[ret->len] = L'\0';
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return (ret);
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}
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/*
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* Create a copy of binary string.
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* New string size equals the length of the old string.
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*/
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struct bwstring *
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bwsdup(const struct bwstring *s)
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{
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if (s == NULL)
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return (NULL);
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else {
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struct bwstring *ret = bwsalloc(s->len);
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if (MB_CUR_MAX == 1)
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memcpy(ret->data.cstr, s->data.cstr, (s->len));
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else
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memcpy(ret->data.wstr, s->data.wstr,
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SIZEOF_WCHAR_STRING(s->len));
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return (ret);
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}
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}
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/*
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* Create a new binary string from a wide character buffer.
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*/
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struct bwstring *
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bwssbdup(const wchar_t *str, size_t len)
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{
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if (str == NULL)
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return ((len == 0) ? bwsalloc(0) : NULL);
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else {
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struct bwstring *ret;
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ret = bwsalloc(len);
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if (MB_CUR_MAX == 1)
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for (size_t i = 0; i < len; ++i)
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ret->data.cstr[i] = (unsigned char) str[i];
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else
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memcpy(ret->data.wstr, str, SIZEOF_WCHAR_STRING(len));
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return (ret);
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}
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}
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/*
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* Create a new binary string from a raw binary buffer.
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*/
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struct bwstring *
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bwscsbdup(const unsigned char *str, size_t len)
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{
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struct bwstring *ret;
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ret = bwsalloc(len);
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if (str) {
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if (MB_CUR_MAX == 1)
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memcpy(ret->data.cstr, str, len);
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else {
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mbstate_t mbs;
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const char *s;
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size_t charlen, chars, cptr;
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charlen = chars = 0;
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cptr = 0;
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s = (const char *) str;
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memset(&mbs, 0, sizeof(mbs));
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while (cptr < len) {
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size_t n = MB_CUR_MAX;
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if (n > len - cptr)
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n = len - cptr;
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charlen = mbrlen(s + cptr, n, &mbs);
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switch (charlen) {
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case 0:
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/* FALLTHROUGH */
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case (size_t) -1:
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/* FALLTHROUGH */
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case (size_t) -2:
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ret->data.wstr[chars++] =
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(unsigned char) s[cptr];
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++cptr;
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break;
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default:
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n = mbrtowc(ret->data.wstr + (chars++),
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s + cptr, charlen, &mbs);
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if ((n == (size_t)-1) || (n == (size_t)-2))
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/* NOTREACHED */
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err(2, "mbrtowc error");
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cptr += charlen;
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}
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}
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ret->len = chars;
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ret->data.wstr[ret->len] = L'\0';
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}
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}
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return (ret);
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}
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/*
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* De-allocate object memory
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*/
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void
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bwsfree(const struct bwstring *s)
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{
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if (s)
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sort_free(s);
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}
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/*
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* Copy content of src binary string to dst.
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* If the capacity of the dst string is not sufficient,
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* then the data is truncated.
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*/
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size_t
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bwscpy(struct bwstring *dst, const struct bwstring *src)
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{
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size_t nums = src->len;
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if (nums > dst->len)
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nums = dst->len;
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dst->len = nums;
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if (MB_CUR_MAX == 1) {
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memcpy(dst->data.cstr, src->data.cstr, nums);
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dst->data.cstr[dst->len] = '\0';
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} else {
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memcpy(dst->data.wstr, src->data.wstr,
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SIZEOF_WCHAR_STRING(nums + 1));
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dst->data.wstr[dst->len] = L'\0';
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}
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return (nums);
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}
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/*
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* Copy content of src binary string to dst,
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* with specified number of symbols to be copied.
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* If the capacity of the dst string is not sufficient,
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* then the data is truncated.
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*/
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struct bwstring *
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bwsncpy(struct bwstring *dst, const struct bwstring *src, size_t size)
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{
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size_t nums = src->len;
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if (nums > dst->len)
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nums = dst->len;
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if (nums > size)
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nums = size;
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dst->len = nums;
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if (MB_CUR_MAX == 1) {
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memcpy(dst->data.cstr, src->data.cstr, nums);
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dst->data.cstr[dst->len] = '\0';
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} else {
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memcpy(dst->data.wstr, src->data.wstr,
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SIZEOF_WCHAR_STRING(nums + 1));
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dst->data.wstr[dst->len] = L'\0';
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}
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return (dst);
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}
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/*
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* Copy content of src binary string to dst,
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* with specified number of symbols to be copied.
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* An offset value can be specified, from the start of src string.
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* If the capacity of the dst string is not sufficient,
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* then the data is truncated.
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*/
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struct bwstring *
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bwsnocpy(struct bwstring *dst, const struct bwstring *src, size_t offset,
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size_t size)
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{
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if (offset >= src->len) {
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dst->data.wstr[0] = 0;
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dst->len = 0;
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} else {
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size_t nums = src->len - offset;
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if (nums > dst->len)
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nums = dst->len;
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if (nums > size)
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nums = size;
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dst->len = nums;
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if (MB_CUR_MAX == 1) {
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memcpy(dst->data.cstr, src->data.cstr + offset,
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(nums));
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dst->data.cstr[dst->len] = '\0';
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} else {
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memcpy(dst->data.wstr, src->data.wstr + offset,
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SIZEOF_WCHAR_STRING(nums));
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dst->data.wstr[dst->len] = L'\0';
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}
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}
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return (dst);
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}
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/*
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* Write binary string to the file.
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* The output is ended either with '\n' (nl == true)
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* or '\0' (nl == false).
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*/
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size_t
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bwsfwrite(struct bwstring *bws, FILE *f, bool zero_ended)
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{
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if (MB_CUR_MAX == 1) {
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size_t len = bws->len;
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if (!zero_ended) {
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bws->data.cstr[len] = '\n';
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if (fwrite(bws->data.cstr, len + 1, 1, f) < 1)
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err(2, NULL);
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bws->data.cstr[len] = '\0';
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} else if (fwrite(bws->data.cstr, len + 1, 1, f) < 1)
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err(2, NULL);
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return (len + 1);
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} else {
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wchar_t eols;
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size_t printed = 0;
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eols = zero_ended ? btowc('\0') : btowc('\n');
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while (printed < BWSLEN(bws)) {
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const wchar_t *s = bws->data.wstr + printed;
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|
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if (*s == L'\0') {
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int nums;
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nums = fwprintf(f, L"%lc", *s);
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if (nums != 1)
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err(2, NULL);
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++printed;
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} else {
|
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int nums;
|
|
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nums = fwprintf(f, L"%ls", s);
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if (nums < 1)
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err(2, NULL);
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printed += nums;
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}
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}
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fwprintf(f, L"%lc", eols);
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return (printed + 1);
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}
|
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}
|
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|
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/*
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* Allocate and read a binary string from file.
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* The strings are nl-ended or zero-ended, depending on the sort setting.
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*/
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struct bwstring *
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bwsfgetln(FILE *f, size_t *len, bool zero_ended, struct reader_buffer *rb)
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{
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wint_t eols;
|
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eols = zero_ended ? btowc('\0') : btowc('\n');
|
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|
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if (!zero_ended && (MB_CUR_MAX > 1)) {
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wchar_t *ret;
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ret = fgetwln(f, len);
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|
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if (ret == NULL) {
|
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if (!feof(f))
|
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err(2, NULL);
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return (NULL);
|
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}
|
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if (*len > 0) {
|
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if (ret[*len - 1] == (wchar_t)eols)
|
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--(*len);
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}
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return (bwssbdup(ret, *len));
|
|
|
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} else if (!zero_ended && (MB_CUR_MAX == 1)) {
|
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char *ret;
|
|
|
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ret = fgetln(f, len);
|
|
|
|
if (ret == NULL) {
|
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if (!feof(f))
|
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err(2, NULL);
|
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return (NULL);
|
|
}
|
|
if (*len > 0) {
|
|
if (ret[*len - 1] == '\n')
|
|
--(*len);
|
|
}
|
|
return (bwscsbdup((unsigned char*)ret, *len));
|
|
|
|
} else {
|
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*len = 0;
|
|
|
|
if (feof(f))
|
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return (NULL);
|
|
|
|
if (2 >= rb->fgetwln_z_buffer_size) {
|
|
rb->fgetwln_z_buffer_size += 256;
|
|
rb->fgetwln_z_buffer = sort_realloc(rb->fgetwln_z_buffer,
|
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sizeof(wchar_t) * rb->fgetwln_z_buffer_size);
|
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}
|
|
rb->fgetwln_z_buffer[*len] = 0;
|
|
|
|
if (MB_CUR_MAX == 1)
|
|
while (!feof(f)) {
|
|
int c;
|
|
|
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c = fgetc(f);
|
|
|
|
if (c == EOF) {
|
|
if (*len == 0)
|
|
return (NULL);
|
|
goto line_read_done;
|
|
}
|
|
if (c == eols)
|
|
goto line_read_done;
|
|
|
|
if (*len + 1 >= rb->fgetwln_z_buffer_size) {
|
|
rb->fgetwln_z_buffer_size += 256;
|
|
rb->fgetwln_z_buffer = sort_realloc(rb->fgetwln_z_buffer,
|
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SIZEOF_WCHAR_STRING(rb->fgetwln_z_buffer_size));
|
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}
|
|
|
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rb->fgetwln_z_buffer[*len] = c;
|
|
rb->fgetwln_z_buffer[++(*len)] = 0;
|
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}
|
|
else
|
|
while (!feof(f)) {
|
|
wint_t c = 0;
|
|
|
|
c = fgetwc(f);
|
|
|
|
if (c == WEOF) {
|
|
if (*len == 0)
|
|
return (NULL);
|
|
goto line_read_done;
|
|
}
|
|
if (c == eols)
|
|
goto line_read_done;
|
|
|
|
if (*len + 1 >= rb->fgetwln_z_buffer_size) {
|
|
rb->fgetwln_z_buffer_size += 256;
|
|
rb->fgetwln_z_buffer = sort_realloc(rb->fgetwln_z_buffer,
|
|
SIZEOF_WCHAR_STRING(rb->fgetwln_z_buffer_size));
|
|
}
|
|
|
|
rb->fgetwln_z_buffer[*len] = c;
|
|
rb->fgetwln_z_buffer[++(*len)] = 0;
|
|
}
|
|
|
|
line_read_done:
|
|
/* we do not count the last 0 */
|
|
return (bwssbdup(rb->fgetwln_z_buffer, *len));
|
|
}
|
|
}
|
|
|
|
int
|
|
bwsncmp(const struct bwstring *bws1, const struct bwstring *bws2,
|
|
size_t offset, size_t len)
|
|
{
|
|
size_t cmp_len, len1, len2;
|
|
int res = 0;
|
|
|
|
cmp_len = 0;
|
|
len1 = bws1->len;
|
|
len2 = bws2->len;
|
|
|
|
if (len1 <= offset) {
|
|
return ((len2 <= offset) ? 0 : -1);
|
|
} else {
|
|
if (len2 <= offset)
|
|
return (+1);
|
|
else {
|
|
len1 -= offset;
|
|
len2 -= offset;
|
|
|
|
cmp_len = len1;
|
|
|
|
if (len2 < cmp_len)
|
|
cmp_len = len2;
|
|
|
|
if (len < cmp_len)
|
|
cmp_len = len;
|
|
|
|
if (MB_CUR_MAX == 1) {
|
|
const unsigned char *s1, *s2;
|
|
|
|
s1 = bws1->data.cstr + offset;
|
|
s2 = bws2->data.cstr + offset;
|
|
|
|
res = memcmp(s1, s2, cmp_len);
|
|
|
|
} else {
|
|
const wchar_t *s1, *s2;
|
|
|
|
s1 = bws1->data.wstr + offset;
|
|
s2 = bws2->data.wstr + offset;
|
|
|
|
res = memcmp(s1, s2, SIZEOF_WCHAR_STRING(cmp_len));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (res == 0) {
|
|
if (len1 < cmp_len && len1 < len2)
|
|
res = -1;
|
|
else if (len2 < cmp_len && len2 < len1)
|
|
res = +1;
|
|
}
|
|
|
|
return (res);
|
|
}
|
|
|
|
int
|
|
bwscmp(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset)
|
|
{
|
|
size_t len1, len2, cmp_len;
|
|
int res;
|
|
|
|
len1 = bws1->len;
|
|
len2 = bws2->len;
|
|
|
|
len1 -= offset;
|
|
len2 -= offset;
|
|
|
|
cmp_len = len1;
|
|
|
|
if (len2 < cmp_len)
|
|
cmp_len = len2;
|
|
|
|
res = bwsncmp(bws1, bws2, offset, cmp_len);
|
|
|
|
if (res == 0) {
|
|
if( len1 < len2)
|
|
res = -1;
|
|
else if (len2 < len1)
|
|
res = +1;
|
|
}
|
|
|
|
return (res);
|
|
}
|
|
|
|
int
|
|
bws_iterator_cmp(bwstring_iterator iter1, bwstring_iterator iter2, size_t len)
|
|
{
|
|
wchar_t c1, c2;
|
|
size_t i = 0;
|
|
|
|
for (i = 0; i < len; ++i) {
|
|
c1 = bws_get_iter_value(iter1);
|
|
c2 = bws_get_iter_value(iter2);
|
|
if (c1 != c2)
|
|
return (c1 - c2);
|
|
iter1 = bws_iterator_inc(iter1, 1);
|
|
iter2 = bws_iterator_inc(iter2, 1);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
bwscoll(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset)
|
|
{
|
|
size_t len1, len2;
|
|
|
|
len1 = bws1->len;
|
|
len2 = bws2->len;
|
|
|
|
if (len1 <= offset)
|
|
return ((len2 <= offset) ? 0 : -1);
|
|
else {
|
|
if (len2 <= offset)
|
|
return (+1);
|
|
else {
|
|
len1 -= offset;
|
|
len2 -= offset;
|
|
|
|
if (MB_CUR_MAX == 1) {
|
|
const unsigned char *s1, *s2;
|
|
|
|
s1 = bws1->data.cstr + offset;
|
|
s2 = bws2->data.cstr + offset;
|
|
|
|
if (byte_sort) {
|
|
int res = 0;
|
|
|
|
if (len1 > len2) {
|
|
res = memcmp(s1, s2, len2);
|
|
if (!res)
|
|
res = +1;
|
|
} else if (len1 < len2) {
|
|
res = memcmp(s1, s2, len1);
|
|
if (!res)
|
|
res = -1;
|
|
} else
|
|
res = memcmp(s1, s2, len1);
|
|
|
|
return (res);
|
|
|
|
} else {
|
|
int res = 0;
|
|
size_t i, maxlen;
|
|
|
|
i = 0;
|
|
maxlen = len1;
|
|
|
|
if (maxlen > len2)
|
|
maxlen = len2;
|
|
|
|
while (i < maxlen) {
|
|
/* goto next non-zero part: */
|
|
while ((i < maxlen) &&
|
|
!s1[i] && !s2[i])
|
|
++i;
|
|
|
|
if (i >= maxlen)
|
|
break;
|
|
|
|
if (s1[i] == 0) {
|
|
if (s2[i] == 0)
|
|
/* NOTREACHED */
|
|
err(2, "bwscoll error 01");
|
|
else
|
|
return (-1);
|
|
} else if (s2[i] == 0)
|
|
return (+1);
|
|
|
|
res = strcoll((const char*)(s1 + i), (const char*)(s2 + i));
|
|
if (res)
|
|
return (res);
|
|
|
|
while ((i < maxlen) &&
|
|
s1[i] && s2[i])
|
|
++i;
|
|
|
|
if (i >= maxlen)
|
|
break;
|
|
|
|
if (s1[i] == 0) {
|
|
if (s2[i] == 0) {
|
|
++i;
|
|
continue;
|
|
} else
|
|
return (-1);
|
|
} else if (s2[i] == 0)
|
|
return (+1);
|
|
else
|
|
/* NOTREACHED */
|
|
err(2, "bwscoll error 02");
|
|
}
|
|
|
|
if (len1 < len2)
|
|
return (-1);
|
|
else if (len1 > len2)
|
|
return (+1);
|
|
|
|
return (0);
|
|
}
|
|
} else {
|
|
const wchar_t *s1, *s2;
|
|
size_t i, maxlen;
|
|
int res = 0;
|
|
|
|
s1 = bws1->data.wstr + offset;
|
|
s2 = bws2->data.wstr + offset;
|
|
|
|
i = 0;
|
|
maxlen = len1;
|
|
|
|
if (maxlen > len2)
|
|
maxlen = len2;
|
|
|
|
while (i < maxlen) {
|
|
|
|
/* goto next non-zero part: */
|
|
while ((i < maxlen) &&
|
|
!s1[i] && !s2[i])
|
|
++i;
|
|
|
|
if (i >= maxlen)
|
|
break;
|
|
|
|
if (s1[i] == 0) {
|
|
if (s2[i] == 0)
|
|
/* NOTREACHED */
|
|
err(2, "bwscoll error 1");
|
|
else
|
|
return (-1);
|
|
} else if (s2[i] == 0)
|
|
return (+1);
|
|
|
|
res = wide_str_coll(s1 + i, s2 + i);
|
|
if (res)
|
|
return (res);
|
|
|
|
while ((i < maxlen) && s1[i] && s2[i])
|
|
++i;
|
|
|
|
if (i >= maxlen)
|
|
break;
|
|
|
|
if (s1[i] == 0) {
|
|
if (s2[i] == 0) {
|
|
++i;
|
|
continue;
|
|
} else
|
|
return (-1);
|
|
} else if (s2[i] == 0)
|
|
return (+1);
|
|
else
|
|
/* NOTREACHED */
|
|
err(2, "bwscoll error 2");
|
|
}
|
|
|
|
if (len1 < len2)
|
|
return (-1);
|
|
else if (len1 > len2)
|
|
return (+1);
|
|
|
|
return (0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Correction of the system API
|
|
*/
|
|
double
|
|
bwstod(struct bwstring *s0, bool *empty)
|
|
{
|
|
double ret = 0;
|
|
|
|
if (MB_CUR_MAX == 1) {
|
|
unsigned char *end, *s;
|
|
char *ep;
|
|
|
|
s = s0->data.cstr;
|
|
end = s + s0->len;
|
|
ep = NULL;
|
|
|
|
while (isblank(*s) && s < end)
|
|
++s;
|
|
|
|
if (!isprint(*s)) {
|
|
*empty = true;
|
|
return (0);
|
|
}
|
|
|
|
ret = strtod((char*)s, &ep);
|
|
if ((unsigned char*) ep == s) {
|
|
*empty = true;
|
|
return (0);
|
|
}
|
|
} else {
|
|
wchar_t *end, *ep, *s;
|
|
|
|
s = s0->data.wstr;
|
|
end = s + s0->len;
|
|
ep = NULL;
|
|
|
|
while (iswblank(*s) && s < end)
|
|
++s;
|
|
|
|
if (!iswprint(*s)) {
|
|
*empty = true;
|
|
return (0);
|
|
}
|
|
|
|
ret = wcstod(s, &ep);
|
|
if (ep == s) {
|
|
*empty = true;
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
*empty = false;
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* A helper function for monthcoll. If a line matches
|
|
* a month name, it returns (number of the month - 1),
|
|
* while if there is no match, it just return -1.
|
|
*/
|
|
|
|
int
|
|
bws_month_score(const struct bwstring *s0)
|
|
{
|
|
|
|
if (MB_CUR_MAX == 1) {
|
|
const unsigned char *end, *s;
|
|
|
|
s = s0->data.cstr;
|
|
end = s + s0->len;
|
|
|
|
while (isblank(*s) && s < end)
|
|
++s;
|
|
|
|
for (int i = 11; i >= 0; --i) {
|
|
if (cmonths[i] &&
|
|
(s == (unsigned char*)strstr((const char*)s, (char*)(cmonths[i]))))
|
|
return (i);
|
|
}
|
|
|
|
} else {
|
|
const wchar_t *end, *s;
|
|
|
|
s = s0->data.wstr;
|
|
end = s + s0->len;
|
|
|
|
while (iswblank(*s) && s < end)
|
|
++s;
|
|
|
|
for (int i = 11; i >= 0; --i) {
|
|
if (wmonths[i] && (s == wcsstr(s, wmonths[i])))
|
|
return (i);
|
|
}
|
|
}
|
|
|
|
return (-1);
|
|
}
|
|
|
|
/*
|
|
* Rips out leading blanks (-b).
|
|
*/
|
|
struct bwstring *
|
|
ignore_leading_blanks(struct bwstring *str)
|
|
{
|
|
|
|
if (MB_CUR_MAX == 1) {
|
|
unsigned char *dst, *end, *src;
|
|
|
|
src = str->data.cstr;
|
|
dst = src;
|
|
end = src + str->len;
|
|
|
|
while (src < end && isblank(*src))
|
|
++src;
|
|
|
|
if (src != dst) {
|
|
size_t newlen;
|
|
|
|
newlen = BWSLEN(str) - (src - dst);
|
|
|
|
while (src < end) {
|
|
*dst = *src;
|
|
++dst;
|
|
++src;
|
|
}
|
|
bws_setlen(str, newlen);
|
|
}
|
|
} else {
|
|
wchar_t *dst, *end, *src;
|
|
|
|
src = str->data.wstr;
|
|
dst = src;
|
|
end = src + str->len;
|
|
|
|
while (src < end && iswblank(*src))
|
|
++src;
|
|
|
|
if (src != dst) {
|
|
|
|
size_t newlen = BWSLEN(str) - (src - dst);
|
|
|
|
while (src < end) {
|
|
*dst = *src;
|
|
++dst;
|
|
++src;
|
|
}
|
|
bws_setlen(str, newlen);
|
|
|
|
}
|
|
}
|
|
return (str);
|
|
}
|
|
|
|
/*
|
|
* Rips out nonprinting characters (-i).
|
|
*/
|
|
struct bwstring *
|
|
ignore_nonprinting(struct bwstring *str)
|
|
{
|
|
size_t newlen = str->len;
|
|
|
|
if (MB_CUR_MAX == 1) {
|
|
unsigned char *dst, *end, *src;
|
|
unsigned char c;
|
|
|
|
src = str->data.cstr;
|
|
dst = src;
|
|
end = src + str->len;
|
|
|
|
while (src < end) {
|
|
c = *src;
|
|
if (isprint(c)) {
|
|
*dst = c;
|
|
++dst;
|
|
++src;
|
|
} else {
|
|
++src;
|
|
--newlen;
|
|
}
|
|
}
|
|
} else {
|
|
wchar_t *dst, *end, *src;
|
|
wchar_t c;
|
|
|
|
src = str->data.wstr;
|
|
dst = src;
|
|
end = src + str->len;
|
|
|
|
while (src < end) {
|
|
c = *src;
|
|
if (iswprint(c)) {
|
|
*dst = c;
|
|
++dst;
|
|
++src;
|
|
} else {
|
|
++src;
|
|
--newlen;
|
|
}
|
|
}
|
|
}
|
|
bws_setlen(str, newlen);
|
|
|
|
return (str);
|
|
}
|
|
|
|
/*
|
|
* Rips out any characters that are not alphanumeric characters
|
|
* nor blanks (-d).
|
|
*/
|
|
struct bwstring *
|
|
dictionary_order(struct bwstring *str)
|
|
{
|
|
size_t newlen = str->len;
|
|
|
|
if (MB_CUR_MAX == 1) {
|
|
unsigned char *dst, *end, *src;
|
|
unsigned char c;
|
|
|
|
src = str->data.cstr;
|
|
dst = src;
|
|
end = src + str->len;
|
|
|
|
while (src < end) {
|
|
c = *src;
|
|
if (isalnum(c) || isblank(c)) {
|
|
*dst = c;
|
|
++dst;
|
|
++src;
|
|
} else {
|
|
++src;
|
|
--newlen;
|
|
}
|
|
}
|
|
} else {
|
|
wchar_t *dst, *end, *src;
|
|
wchar_t c;
|
|
|
|
src = str->data.wstr;
|
|
dst = src;
|
|
end = src + str->len;
|
|
|
|
while (src < end) {
|
|
c = *src;
|
|
if (iswalnum(c) || iswblank(c)) {
|
|
*dst = c;
|
|
++dst;
|
|
++src;
|
|
} else {
|
|
++src;
|
|
--newlen;
|
|
}
|
|
}
|
|
}
|
|
bws_setlen(str, newlen);
|
|
|
|
return (str);
|
|
}
|
|
|
|
/*
|
|
* Converts string to lower case(-f).
|
|
*/
|
|
struct bwstring *
|
|
ignore_case(struct bwstring *str)
|
|
{
|
|
|
|
if (MB_CUR_MAX == 1) {
|
|
unsigned char *end, *s;
|
|
|
|
s = str->data.cstr;
|
|
end = s + str->len;
|
|
|
|
while (s < end) {
|
|
*s = toupper(*s);
|
|
++s;
|
|
}
|
|
} else {
|
|
wchar_t *end, *s;
|
|
|
|
s = str->data.wstr;
|
|
end = s + str->len;
|
|
|
|
while (s < end) {
|
|
*s = towupper(*s);
|
|
++s;
|
|
}
|
|
}
|
|
return (str);
|
|
}
|
|
|
|
void
|
|
bws_disorder_warnx(struct bwstring *s, const char *fn, size_t pos)
|
|
{
|
|
|
|
if (MB_CUR_MAX == 1)
|
|
warnx("%s:%zu: disorder: %s", fn, pos + 1, s->data.cstr);
|
|
else
|
|
warnx("%s:%zu: disorder: %ls", fn, pos + 1, s->data.wstr);
|
|
}
|