80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/* -----------------------------------------------------------------------------
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* The Cyberiada GraphML library implemention
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*
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* The string utilities
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*
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* Copyright (C) 2024 Alexey Fedoseev <aleksey@fedoseev.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (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 GNU
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* Lesser 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, see https://www.gnu.org/licenses/
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*
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* ----------------------------------------------------------------------------- */
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "cyberiadaml.h"
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#include "cyb_string.h"
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int cyberiada_copy_string(char** target, size_t* size, const char* source)
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{
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char* target_str;
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size_t strsize;
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if (!source) {
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*target = NULL;
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*size = 0;
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return CYBERIADA_NO_ERROR;
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}
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strsize = strlen(source);
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if (strsize > MAX_STR_LEN - 1) {
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strsize = MAX_STR_LEN - 1;
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}
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target_str = (char*)malloc(strsize + 1);
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strcpy(target_str, source);
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target_str[strsize] = 0;
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*target = target_str;
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if (size) {
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*size = strsize;
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}
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return CYBERIADA_NO_ERROR;
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}
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int cyberiada_string_is_empty(const char* s)
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{
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while(*s) {
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if (!isspace(*s)) {
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return 0;
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}
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s++;
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}
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return 1;
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}
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int cyberiada_string_trim(char* orig)
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{
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char* s;
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if (!orig) return 1;
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if (!*orig) return 0;
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s = orig + strlen(orig) - 1;
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while(s >= orig) {
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if (isspace(*s)) {
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*s = 0;
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s--;
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} else {
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break;
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}
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}
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return 0;
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}
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