diff options
Diffstat (limited to 'url.c')
| -rw-r--r-- | url.c | 70 |
1 files changed, 70 insertions, 0 deletions
@@ -0,0 +1,70 @@ +/* + * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr> + * + * 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. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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 <assert.h> +#include <stdarg.h> +#include <string.h> + +#include "url.h" + +size_t +url_build(char *dst, size_t dst_size, int count,...) +{ + va_list path_list; + const char *path; + int path_index; + size_t w_size; + + dst[0] = '\0'; + w_size = 0; + va_start(path_list, count); + for (path_index = 0; path_index < count; path_index++) { + /* no more space in dst buffer */ + if (w_size >= dst_size) + break; + + path = va_arg(path_list, char *); + + assert(path != NULL); + if (path[0] == '\0') + continue; + + if (path[0] == '.' && path[1] == '\0') + continue; + + if (path[0] != '/' && dst[w_size - 1] != '/') + w_size = strlcat(dst, "/", dst_size); + + w_size = strlcat(dst, path, dst_size); + } + + va_end(path_list); + return w_size; +} |