sort: style knits / cleanups. Our style guide(9) specifies that in absence of local variables an empty line must be inserted. Pointed out by: eadler
1157 lines
21 KiB
C
1157 lines
21 KiB
C
/*-
|
|
* Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org>
|
|
* Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com>
|
|
* 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 <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <err.h>
|
|
#include <langinfo.h>
|
|
#include <math.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <wchar.h>
|
|
#include <wctype.h>
|
|
|
|
#include "bwstring.h"
|
|
#include "sort.h"
|
|
|
|
bool byte_sort;
|
|
|
|
static wchar_t **wmonths;
|
|
static unsigned char **cmonths;
|
|
|
|
/* initialise months */
|
|
|
|
void
|
|
initialise_months(void)
|
|
{
|
|
const nl_item item[12] = { ABMON_1, ABMON_2, ABMON_3, ABMON_4,
|
|
ABMON_5, ABMON_6, ABMON_7, ABMON_8, ABMON_9, ABMON_10,
|
|
ABMON_11, ABMON_12 };
|
|
unsigned char *tmp;
|
|
size_t len;
|
|
|
|
if (MB_CUR_MAX == 1) {
|
|
if (cmonths == NULL) {
|
|
unsigned char *m;
|
|
|
|
cmonths = sort_malloc(sizeof(unsigned char*) * 12);
|
|
for (int i = 0; i < 12; i++) {
|
|
cmonths[i] = NULL;
|
|
tmp = (unsigned char *) nl_langinfo(item[i]);
|
|
if (tmp == NULL)
|
|
continue;
|
|
if (debug_sort)
|
|
printf("month[%d]=%s\n", i, tmp);
|
|
len = strlen((char*)tmp);
|
|
if (len < 1)
|
|
continue;
|
|
while (isblank(*tmp))
|
|
++tmp;
|
|
m = sort_malloc(len + 1);
|
|
memcpy(m, tmp, len + 1);
|
|
m[len] = '\0';
|
|
for (unsigned int j = 0; j < len; j++)
|
|
m[j] = toupper(m[j]);
|
|
cmonths[i] = m;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
if (wmonths == NULL) {
|
|
wchar_t *m;
|
|
|
|
wmonths = sort_malloc(sizeof(wchar_t *) * 12);
|
|
for (int i = 0; i < 12; i++) {
|
|
wmonths[i] = NULL;
|
|
tmp = (unsigned char *) nl_langinfo(item[i]);
|
|
if (tmp == NULL)
|
|
continue;
|
|
if (debug_sort)
|
|
printf("month[%d]=%s\n", i, tmp);
|
|
len = strlen((char*)tmp);
|
|
if (len < 1)
|
|
continue;
|
|
while (isblank(*tmp))
|
|
++tmp;
|
|
m = sort_malloc(SIZEOF_WCHAR_STRING(len + 1));
|
|
if (mbstowcs(m, (char*)tmp, len) == ((size_t) -1))
|
|
continue;
|
|
m[len] = L'\0';
|
|
for (unsigned int j = 0; j < len; j++)
|
|
m[j] = towupper(m[j]);
|
|
wmonths[i] = m;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Compare two wide-character strings
|
|
*/
|
|
static int
|
|
wide_str_coll(const wchar_t *s1, const wchar_t *s2)
|
|
{
|
|
int ret = 0;
|
|
|
|
errno = 0;
|
|
ret = wcscoll(s1, s2);
|
|
if (errno == EILSEQ) {
|
|
errno = 0;
|
|
ret = wcscmp(s1, s2);
|
|
if (errno != 0) {
|
|
for (size_t i = 0; ; ++i) {
|
|
wchar_t c1 = s1[i];
|
|
wchar_t c2 = s2[i];
|
|
if (c1 == L'\0')
|
|
return ((c2 == L'\0') ? 0 : -1);
|
|
if (c2 == L'\0')
|
|
return (+1);
|
|
if (c1 == c2)
|
|
continue;
|
|
return ((int)(c1 - c2));
|
|
}
|
|
}
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
/* counterparts of wcs functions */
|
|
|
|
void
|
|
bwsprintf(FILE *f, struct bwstring *bws, const char *prefix, const char *suffix)
|
|
{
|
|
|
|
if (MB_CUR_MAX == 1)
|
|
fprintf(f, "%s%s%s", prefix, bws->data.cstr, suffix);
|
|
else
|
|
fprintf(f, "%s%S%s", prefix, bws->data.wstr, suffix);
|
|
}
|
|
|
|
const void* bwsrawdata(const struct bwstring *bws)
|
|
{
|
|
|
|
return (&(bws->data));
|
|
}
|
|
|
|
size_t bwsrawlen(const struct bwstring *bws)
|
|
{
|
|
|
|
return ((MB_CUR_MAX == 1) ? bws->len : SIZEOF_WCHAR_STRING(bws->len));
|
|
}
|
|
|
|
size_t
|
|
bws_memsize(const struct bwstring *bws)
|
|
{
|
|
|
|
return ((MB_CUR_MAX == 1) ? (bws->len + 2 + sizeof(struct bwstring)) :
|
|
(SIZEOF_WCHAR_STRING(bws->len + 1) + sizeof(struct bwstring)));
|
|
}
|
|
|
|
void
|
|
bws_setlen(struct bwstring *bws, size_t newlen)
|
|
{
|
|
|
|
if (bws && newlen != bws->len && newlen <= bws->len) {
|
|
bws->len = newlen;
|
|
if (MB_CUR_MAX == 1)
|
|
bws->data.cstr[newlen] = '\0';
|
|
else
|
|
bws->data.wstr[newlen] = L'\0';
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Allocate a new binary string of specified size
|
|
*/
|
|
struct bwstring *
|
|
bwsalloc(size_t sz)
|
|
{
|
|
struct bwstring *ret;
|
|
|
|
if (MB_CUR_MAX == 1)
|
|
ret = sort_malloc(sizeof(struct bwstring) + 1 + sz);
|
|
else
|
|
ret = sort_malloc(sizeof(struct bwstring) +
|
|
SIZEOF_WCHAR_STRING(sz + 1));
|
|
ret->len = sz;
|
|
|
|
if (MB_CUR_MAX == 1)
|
|
ret->data.cstr[ret->len] = '\0';
|
|
else
|
|
ret->data.wstr[ret->len] = L'\0';
|
|
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* Create a copy of binary string.
|
|
* New string size equals the length of the old string.
|
|
*/
|
|
struct bwstring *
|
|
bwsdup(const struct bwstring *s)
|
|
{
|
|
|
|
if (s == NULL)
|
|
return (NULL);
|
|
else {
|
|
struct bwstring *ret = bwsalloc(s->len);
|
|
|
|
if (MB_CUR_MAX == 1)
|
|
memcpy(ret->data.cstr, s->data.cstr, (s->len));
|
|
else
|
|
memcpy(ret->data.wstr, s->data.wstr,
|
|
SIZEOF_WCHAR_STRING(s->len));
|
|
|
|
return (ret);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Create a new binary string from a wide character buffer.
|
|
*/
|
|
struct bwstring *
|
|
bwssbdup(const wchar_t *str, size_t len)
|
|
{
|
|
|
|
if (str == NULL)
|
|
return ((len == 0) ? bwsalloc(0) : NULL);
|
|
else {
|
|
struct bwstring *ret;
|
|
|
|
ret = bwsalloc(len);
|
|
|
|
if (MB_CUR_MAX == 1)
|
|
for (size_t i = 0; i < len; ++i)
|
|
ret->data.cstr[i] = (unsigned char) str[i];
|
|
else
|
|
memcpy(ret->data.wstr, str, SIZEOF_WCHAR_STRING(len));
|
|
|
|
return (ret);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Create a new binary string from a raw binary buffer.
|
|
*/
|
|
struct bwstring *
|
|
bwscsbdup(const unsigned char *str, size_t len)
|
|
{
|
|
struct bwstring *ret;
|
|
|
|
ret = bwsalloc(len);
|
|
|
|
if (str) {
|
|
if (MB_CUR_MAX == 1)
|
|
memcpy(ret->data.cstr, str, len);
|
|
else {
|
|
mbstate_t mbs;
|
|
const char *s;
|
|
size_t charlen, chars, cptr;
|
|
|
|
charlen = chars = 0;
|
|
cptr = 0;
|
|
s = (const char *) str;
|
|
|
|
memset(&mbs, 0, sizeof(mbs));
|
|
|
|
while (cptr < len) {
|
|
size_t n = MB_CUR_MAX;
|
|
|
|
if (n > len - cptr)
|
|
n = len - cptr;
|
|
charlen = mbrlen(s + cptr, n, &mbs);
|
|
switch (charlen) {
|
|
case 0:
|
|
/* FALLTHROUGH */
|
|
case (size_t) -1:
|
|
/* FALLTHROUGH */
|
|
case (size_t) -2:
|
|
ret->data.wstr[chars++] =
|
|
(unsigned char) s[cptr];
|
|
++cptr;
|
|
break;
|
|
default:
|
|
n = mbrtowc(ret->data.wstr + (chars++),
|
|
s + cptr, charlen, &mbs);
|
|
if ((n == (size_t)-1) || (n == (size_t)-2))
|
|
/* NOTREACHED */
|
|
err(2, "mbrtowc error");
|
|
cptr += charlen;
|
|
};
|
|
}
|
|
|
|
ret->len = chars;
|
|
ret->data.wstr[ret->len] = L'\0';
|
|
}
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* De-allocate object memory
|
|
*/
|
|
void
|
|
bwsfree(const struct bwstring *s)
|
|
{
|
|
|
|
if (s)
|
|
sort_free(s);
|
|
}
|
|
|
|
/*
|
|
* Copy content of src binary string to dst.
|
|
* If the capacity of the dst string is not sufficient,
|
|
* then the data is truncated.
|
|
*/
|
|
size_t
|
|
bwscpy(struct bwstring *dst, const struct bwstring *src)
|
|
{
|
|
size_t nums = src->len;
|
|
|
|
if (nums > dst->len)
|
|
nums = dst->len;
|
|
dst->len = nums;
|
|
|
|
if (MB_CUR_MAX == 1) {
|
|
memcpy(dst->data.cstr, src->data.cstr, nums);
|
|
dst->data.cstr[dst->len] = '\0';
|
|
} else {
|
|
memcpy(dst->data.wstr, src->data.wstr,
|
|
SIZEOF_WCHAR_STRING(nums + 1));
|
|
dst->data.wstr[dst->len] = L'\0';
|
|
}
|
|
|
|
return (nums);
|
|
}
|
|
|
|
/*
|
|
* Copy content of src binary string to dst,
|
|
* with specified number of symbols to be copied.
|
|
* If the capacity of the dst string is not sufficient,
|
|
* then the data is truncated.
|
|
*/
|
|
struct bwstring *
|
|
bwsncpy(struct bwstring *dst, const struct bwstring *src, size_t size)
|
|
{
|
|
size_t nums = src->len;
|
|
|
|
if (nums > dst->len)
|
|
nums = dst->len;
|
|
if (nums > size)
|
|
nums = size;
|
|
dst->len = nums;
|
|
|
|
if (MB_CUR_MAX == 1) {
|
|
memcpy(dst->data.cstr, src->data.cstr, nums);
|
|
dst->data.cstr[dst->len] = '\0';
|
|
} else {
|
|
memcpy(dst->data.wstr, src->data.wstr,
|
|
SIZEOF_WCHAR_STRING(nums + 1));
|
|
dst->data.wstr[dst->len] = L'\0';
|
|
}
|
|
|
|
return (dst);
|
|
}
|
|
|
|
/*
|
|
* Copy content of src binary string to dst,
|
|
* with specified number of symbols to be copied.
|
|
* An offset value can be specified, from the start of src string.
|
|
* If the capacity of the dst string is not sufficient,
|
|
* then the data is truncated.
|
|
*/
|
|
struct bwstring *
|
|
bwsnocpy(struct bwstring *dst, const struct bwstring *src, size_t offset,
|
|
size_t size)
|
|
{
|
|
|
|
if (offset >= src->len) {
|
|
dst->data.wstr[0] = 0;
|
|
dst->len = 0;
|
|
} else {
|
|
size_t nums = src->len - offset;
|
|
|
|
if (nums > dst->len)
|
|
nums = dst->len;
|
|
if (nums > size)
|
|
nums = size;
|
|
dst->len = nums;
|
|
if (MB_CUR_MAX == 1) {
|
|
memcpy(dst->data.cstr, src->data.cstr + offset,
|
|
(nums));
|
|
dst->data.cstr[dst->len] = '\0';
|
|
} else {
|
|
memcpy(dst->data.wstr, src->data.wstr + offset,
|
|
SIZEOF_WCHAR_STRING(nums));
|
|
dst->data.wstr[dst->len] = L'\0';
|
|
}
|
|
}
|
|
return (dst);
|
|
}
|
|
|
|
/*
|
|
* Write binary string to the file.
|
|
* The output is ended either with '\n' (nl == true)
|
|
* or '\0' (nl == false).
|
|
*/
|
|
size_t
|
|
bwsfwrite(struct bwstring *bws, FILE *f, bool zero_ended)
|
|
{
|
|
|
|
if (MB_CUR_MAX == 1) {
|
|
size_t len = bws->len;
|
|
|
|
if (!zero_ended) {
|
|
bws->data.cstr[len] = '\n';
|
|
|
|
if (fwrite(bws->data.cstr, len + 1, 1, f) < 1)
|
|
err(2, NULL);
|
|
|
|
bws->data.cstr[len] = '\0';
|
|
} else if (fwrite(bws->data.cstr, len + 1, 1, f) < 1)
|
|
err(2, NULL);
|
|
|
|
return (len + 1);
|
|
|
|
} else {
|
|
wchar_t eols;
|
|
size_t printed = 0;
|
|
|
|
eols = zero_ended ? btowc('\0') : btowc('\n');
|
|
|
|
while (printed < BWSLEN(bws)) {
|
|
const wchar_t *s = bws->data.wstr + printed;
|
|
|
|
if (*s == L'\0') {
|
|
int nums;
|
|
|
|
nums = fwprintf(f, L"%lc", *s);
|
|
|
|
if (nums != 1)
|
|
err(2, NULL);
|
|
++printed;
|
|
} else {
|
|
int nums;
|
|
|
|
nums = fwprintf(f, L"%ls", s);
|
|
|
|
if (nums < 1)
|
|
err(2, NULL);
|
|
printed += nums;
|
|
}
|
|
}
|
|
fwprintf(f, L"%lc", eols);
|
|
return (printed + 1);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Allocate and read a binary string from file.
|
|
* The strings are nl-ended or zero-ended, depending on the sort setting.
|
|
*/
|
|
struct bwstring *
|
|
bwsfgetln(FILE *f, size_t *len, bool zero_ended, struct reader_buffer *rb)
|
|
{
|
|
wint_t eols;
|
|
|
|
eols = zero_ended ? btowc('\0') : btowc('\n');
|
|
|
|
if (!zero_ended && (MB_CUR_MAX > 1)) {
|
|
wchar_t *ret;
|
|
|
|
ret = fgetwln(f, len);
|
|
|
|
if (ret == NULL) {
|
|
if (!feof(f))
|
|
err(2, NULL);
|
|
return (NULL);
|
|
}
|
|
if (*len > 0) {
|
|
if (ret[*len - 1] == (wchar_t)eols)
|
|
--(*len);
|
|
}
|
|
return (bwssbdup(ret, *len));
|
|
|
|
} else if (!zero_ended && (MB_CUR_MAX == 1)) {
|
|
char *ret;
|
|
|
|
ret = fgetln(f, len);
|
|
|
|
if (ret == NULL) {
|
|
if (!feof(f))
|
|
err(2, NULL);
|
|
return (NULL);
|
|
}
|
|
if (*len > 0) {
|
|
if (ret[*len - 1] == '\n')
|
|
--(*len);
|
|
}
|
|
return (bwscsbdup((unsigned char*)ret, *len));
|
|
|
|
} else {
|
|
*len = 0;
|
|
|
|
if (feof(f))
|
|
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,
|
|
sizeof(wchar_t) * rb->fgetwln_z_buffer_size);
|
|
}
|
|
rb->fgetwln_z_buffer[*len] = 0;
|
|
|
|
if (MB_CUR_MAX == 1)
|
|
while (!feof(f)) {
|
|
int c;
|
|
|
|
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,
|
|
SIZEOF_WCHAR_STRING(rb->fgetwln_z_buffer_size));
|
|
}
|
|
|
|
rb->fgetwln_z_buffer[*len] = c;
|
|
rb->fgetwln_z_buffer[++(*len)] = 0;
|
|
}
|
|
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;
|
|
size_t len;
|
|
|
|
s = s0->data.cstr;
|
|
end = s + s0->len;
|
|
|
|
while (isblank(*s) && s < end)
|
|
++s;
|
|
|
|
len = strlen((const char*)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;
|
|
size_t len;
|
|
|
|
s = s0->data.wstr;
|
|
end = s + s0->len;
|
|
|
|
while (iswblank(*s) && s < end)
|
|
++s;
|
|
|
|
len = wcslen(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);
|
|
}
|