163 lines
3.3 KiB
C
163 lines
3.3 KiB
C
/*
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* libyahoo2: yahoo_util.c
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*
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* Copyright (C) 2002-2004, Philip S Tellis <philip.tellis AT gmx.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#if STDC_HEADERS
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# include <string.h>
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#else
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# if !HAVE_STRCHR
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# define strchr index
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# define strrchr rindex
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# endif
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char *strchr(), *strrchr();
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# if !HAVE_MEMCPY
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# define memcpy(d, s, n) bcopy ((s), (d), (n))
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# define memmove(d, s, n) bcopy ((s), (d), (n))
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# endif
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#endif
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#include "yahoo_util.h"
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char *y_string_append(char *string, char *append)
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{
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int size = strlen(string) + strlen(append) + 1;
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char *new_string = y_renew(char, string, size);
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if (new_string == NULL) {
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new_string = y_new(char, size);
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strcpy(new_string, string);
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FREE(string);
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}
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strcat(new_string, append);
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return new_string;
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}
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char *y_str_to_utf8(const char *in)
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{
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unsigned int n, i = 0;
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char *result = NULL;
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if (in == NULL || *in == '\0')
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return strdup("");
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result = y_new(char, strlen(in) * 2 + 1);
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/* convert a string to UTF-8 Format */
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for (n = 0; n < strlen(in); n++) {
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unsigned char c = (unsigned char)in[n];
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if (c < 128) {
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result[i++] = (char)c;
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} else {
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result[i++] = (char)((c >> 6) | 192);
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result[i++] = (char)((c & 63) | 128);
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}
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}
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result[i] = '\0';
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return result;
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}
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char *y_utf8_to_str(const char *in)
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{
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int i = 0;
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unsigned int n;
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char *result = NULL;
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if (in == NULL || *in == '\0')
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return strdup("");
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result = y_new(char, strlen(in) + 1);
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/* convert a string from UTF-8 Format */
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for (n = 0; n < strlen(in); n++) {
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unsigned char c = in[n];
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if (c < 128) {
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result[i++] = (char)c;
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} else {
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result[i++] = (c << 6) | (in[++n] & 63);
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}
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}
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result[i] = '\0';
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return result;
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}
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#if !HAVE_GLIB
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void y_strfreev(char **vector)
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{
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char **v;
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for (v = vector; *v; v++) {
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FREE(*v);
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}
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FREE(vector);
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}
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char **y_strsplit(char *str, char *sep, int nelem)
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{
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char **vector;
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char *s, *p;
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int i = 0;
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int l = strlen(sep);
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if (nelem <= 0) {
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char *s;
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nelem = 0;
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if (*str) {
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for (s = strstr(str, sep); s;
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s = strstr(s + l, sep), nelem++) ;
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if (strcmp(str + strlen(str) - l, sep))
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nelem++;
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}
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}
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vector = y_new(char *, nelem + 1);
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for (p = str, s = strstr(p, sep); i < nelem && s;
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p = s + l, s = strstr(p, sep), i++) {
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int len = s - p;
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vector[i] = y_new(char, len + 1);
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strncpy(vector[i], p, len);
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vector[i][len] = '\0';
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}
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if (i < nelem && *str) /* str didn't end with sep, and str isn't empty */
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vector[i++] = strdup(p);
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vector[i] = NULL;
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return vector;
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}
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void *y_memdup(const void *addr, int n)
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{
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void *new_chunk = malloc(n);
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if (new_chunk)
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memcpy(new_chunk, addr, n);
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return new_chunk;
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}
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#endif
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