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sg_str.c
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sg_str.c
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/* _
* ___ __ _ __ _ _ _(_)
* / __|/ _` |/ _` | | | | |
* \__ \ (_| | (_| | |_| | |
* |___/\__,_|\__, |\__,_|_|
* |___/
*
* Cross-platform library which helps to develop web servers or frameworks.
*
* Copyright (C) 2016-2020 Silvio Clecio <[email protected]>
*
* Sagui library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Sagui library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sagui library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <errno.h>
#include "sg_str.h"
#include "sagui.h"
struct sg_str *sg_str_new(void) {
struct sg_str *str = sg_alloc(sizeof(struct sg_str));
if (str) {
utstring_new(str->buf);
if (!str->buf) {
sg_free(str);
return NULL;
}
}
return str;
}
void sg_str_free(struct sg_str *str) {
if (!str)
return;
utstring_free(str->buf);
sg_free(str);
}
int sg_str_write(struct sg_str *str, const char *val, size_t len) {
if (!str || !val || (len < 1))
return EINVAL;
utstring_bincpy(str->buf, val, len);
return 0;
}
int sg_str_printf_va(struct sg_str *str, const char *fmt, va_list ap) {
if (!str || !fmt)
return EINVAL;
#if !defined(__arm__) && !defined(__aarch64__)
if (!ap)
return EINVAL;
#endif /* !__arm__ && !__aarch64__ */
utstring_printf_va(str->buf, fmt, ap);
return 0;
}
int sg_str_printf(struct sg_str *str, const char *fmt, ...) {
va_list ap;
if (!str || !fmt)
return EINVAL;
va_start(ap, fmt);
utstring_printf_va(str->buf, fmt, ap);
va_end(ap);
return 0;
}
const char *sg_str_content(struct sg_str *str) {
if (!str) {
errno = EINVAL;
return NULL;
}
return utstring_body(str->buf);
}
size_t sg_str_length(struct sg_str *str) {
if (!str) {
errno = EINVAL;
return 0;
}
return utstring_len(str->buf);
}
int sg_str_clear(struct sg_str *str) {
if (!str)
return EINVAL;
utstring_clear(str->buf);
return 0;
}