103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
/* LibSLV2
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* Copyright (C) 2006 Dave Robillard <drobilla@connect.carleton.ca>
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#define _XOPEN_SOURCE 500
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#include <util.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <stdarg.h>
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void
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ustrappend(uchar** dst, const uchar* suffix)
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{
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assert(dst);
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assert(*dst);
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assert(suffix);
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const size_t new_length = strlen((char*)*dst) + strlen((char*)suffix) + 1;
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*dst = realloc(*dst, (new_length * sizeof(char)));
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assert(dst);
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strcat((char*)*dst, (char*)suffix);
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}
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uchar*
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ustrdup(const uchar* src)
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{
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assert(src);
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return (uchar*)strdup((char*)src);
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}
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uchar*
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ustrjoin(const uchar* first, ...)
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{
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va_list args_list;
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va_start(args_list, first);
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uchar* result = vstrjoin(first, args_list);
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va_end(args_list);
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return result;
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}
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uchar*
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vstrjoin(const uchar* first, va_list args_list)
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{
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// FIXME: this is horribly, awfully, disgracefully slow.
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// so I'm lazy.
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uchar* arg = NULL;
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uchar* result = ustrdup(first);
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while ((arg = va_arg(args_list, const uchar*)) != NULL)
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ustrappend(&result, arg);
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//va_end(args_list);
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return result;
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}
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/** Convert a URL to a local filesystem path (ie by chopping off the
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* leading "file://".
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*
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* Returns NULL if URL is not a valid URL on the local filesystem.
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* Result is simply a pointer in to \a url and must not be free()'d.
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*/
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const char*
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url2path(const uchar* const url)
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{
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/*assert(strlen((char*)url) > 8);
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char* result = calloc(strlen((char*)url)-7+1, sizeof(char));
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strcpy(result, (char*)url+7);
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return result;*/
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if (!strncmp((char*)url, "file://", (size_t)7))
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return (char*)url + 7;
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else
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return NULL;
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}
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