80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
/*
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This file is part of actube.
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actube 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 3 of the License, or
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(at your option) any later version.
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actube 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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You should have received a copy of the GNU General Public License
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along with actube. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file
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* @brief implents cw_filename
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**/
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#include <string.h>
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#include <stdio.h>
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#include "file.h"
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/**
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* @brief Build full pathname from path, filename and extension
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* @param path Path
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* @param name Filename
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* @param ext Extension
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* @return a pointer to the create filename which has to be
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* released using free.
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*/
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char *cw_filename(const char *path, const char *name, const char *ext)
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{
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int name_len;
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int ext_len;
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int size = 0;
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int path_len;
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char c;
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char *result;
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char *slash = "";
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path_len = strlen(path);
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if (path_len > 0) {
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c = path[path_len - 1];
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if (!strchr(CW_FILE_PATH_DELIMITERS, c)) {
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path_len++;
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slash = "/";
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}
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}
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name_len = strlen(name);
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if (ext != NULL) {
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if (ext[0] == '.') {
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ext++;
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}
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ext_len = strlen(ext);
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} else
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ext_len = -1;
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size = (path_len) + name_len + (ext_len + 1) + 1;
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result = malloc(size);
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if (!result)
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return NULL;
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strncpy(result, path, path_len);
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result[path_len] = 0;
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strcat(result, slash);
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strcat(result, name);
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if (ext) {
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strcat(result, ".");
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strcat(result, ext);
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}
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return result;
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}
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