source: protocols/yahoo/yahoo_util.c @ 0d8a9bb0

/*
 * libyahoo2: yahoo_util.c
 *
 * Copyright (C) 2002-2004, Philip S Tellis <philip.tellis AT gmx.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#if STDC_HEADERS
# include <string.h>
#else
# if !HAVE_STRCHR
#  define strchr index
#  define strrchr rindex
# endif
char *strchr(), *strrchr();
# if !HAVE_MEMCPY
#  define memcpy(d, s, n) bcopy((s), (d), (n))
#  define memmove(d, s, n) bcopy((s), (d), (n))
# endif
#endif

#include "yahoo_util.h"

char *y_string_append(char *string, char *append)
{
        int size = strlen(string) + strlen(append) + 1;
        char *new_string = y_renew(char, string, size);

        if (new_string == NULL) {
                new_string = y_new(char, size);
                strcpy(new_string, string);
                FREE(string);
        }

        strcat(new_string, append);

        return new_string;
}

#if !HAVE_GLIB

void y_strfreev(char ** vector)
{
        char **v;

        for (v = vector; *v; v++) {
                FREE(*v);
        }
        FREE(vector);
}

char ** y_strsplit(char * str, char * sep, int nelem)
{
        char ** vector;
        char *s, *p;
        int i = 0;
        int l = strlen(sep);

        if (nelem <= 0) {
                char * s;
                nelem = 0;
                if (*str) {
                        for (s = strstr(str, sep); s; s = strstr(s + l, sep), nelem++) {
                                ;
                        }
                        if (strcmp(str + strlen(str) - l, sep)) {
                                nelem++;
                        }
                }
        }

        vector = y_new(char *, nelem + 1);

        for (p = str, s = strstr(p, sep); i < nelem && s; p = s + l, s = strstr(p, sep), i++) {
                int len = s - p;
                vector[i] = y_new(char, len + 1);
                strncpy(vector[i], p, len);
                vector[i][len] = '\0';
        }

        if (i < nelem && *str) { /* str didn't end with sep, and str isn't empty */
                vector[i++] = strdup(p);
        }

        vector[i] = NULL;

        return vector;
}

void * y_memdup(const void * addr, int n)
{
        void * new_chunk = malloc(n);

        if (new_chunk) {
                memcpy(new_chunk, addr, n);
        }
        return new_chunk;
}

#endif