+++ /dev/null
-/*
-** Copyright 2011 Double Precision, Inc.
-** See COPYING for distribution information.
-**
-*/
-
-#include "unicode_config.h"
-#include "unicode.h"
-#include <stdlib.h>
-#include <string.h>
-
-void unicode_buf_init(struct unicode_buf *p, size_t max)
-{
- p->ptr=0;
- p->size=0;
- p->len=0;
- p->max=max;
-}
-
-void unicode_buf_deinit(struct unicode_buf *p)
-{
- if (p->ptr)
- free(p->ptr);
-}
-
-int unicode_buf_append(struct unicode_buf *p,
- const unicode_char *uc, size_t l)
-{
- if (l > p->max-p->len)
- l=p->max-p->len;
-
- if (p->len + l > p->size)
- {
- size_t n=(p->len + l) * 2;
- unicode_char *newp;
-
- if (n < 256)
- n=256;
-
- if (n > p->max)
- n=p->max;
-
- newp=p->ptr ? realloc(p->ptr, n * sizeof(unicode_char))
- : malloc(n * sizeof(unicode_char));
-
- if (!newp)
- return -1;
-
- p->ptr=newp;
- p->size=n;
- }
-
- memcpy(p->ptr + p->len, uc, l * sizeof(unicode_char));
-
- p->len += l;
- return 0;
-}
-
-void unicode_buf_append_char(struct unicode_buf *dst,
- const char *str,
- size_t cnt)
-{
- unicode_char unicode_buf[256];
-
- while (cnt)
- {
- size_t n=sizeof(unicode_buf)/sizeof(unicode_buf[0]), i;
-
- if (n > cnt)
- n=cnt;
-
- for (i=0; i<n; ++i)
- unicode_buf[i]=(unsigned char)str[i];
-
- str += n;
- cnt -= n;
- unicode_buf_append(dst, unicode_buf, i);
- }
-}
-
-void unicode_buf_remove(struct unicode_buf *p,
- size_t pos,
- size_t cnt)
-{
- if (pos > p->len)
- pos=p->len;
-
- if (cnt > p->len-pos)
- cnt=p->len-pos;
-
- if (cnt)
- memmove(p->ptr+pos+cnt, p->ptr+pos, p->len-pos-cnt);
- p->len -= cnt;
-}
-
-int unicode_buf_cmp(const struct unicode_buf *a,
- const struct unicode_buf *b)
-{
- size_t i;
-
- for (i=0; i<a->len && i<b->len; i++)
- {
- if (a->ptr[i] < b->ptr[i])
- return -1;
- if (a->ptr[i] > b->ptr[i])
- return 1;
- }
-
- return (a->len < b->len ? -1:a->len > b->len ? 1:0);
-}
-
-int unicode_buf_cmp_str(const struct unicode_buf *p, const char *c,
- size_t cl)
-{
- size_t i;
-
- for (i=0; i<p->len && i < cl; ++i)
- {
- if (p->ptr[i] < c[i])
- return -1;
-
- if (p->ptr[i] > c[i])
- return 1;
- }
-
- return (p->len < cl ? -1: p->len > cl ? 1:0);
-}