5  * SPDX-License-Identifier: Apache-2.0
24 int settings_line_write(const char *name, const char *value, size_t val_len,  in settings_line_write()  argument
31 			/* base64 encoding size and write-block-size */  in settings_line_write()
38 	rem = strlen(name);  in settings_line_write()
41 	len_field = settings_line_len_calc(name, val_len);  in settings_line_write()
48 		w_size = wbs - add;  in settings_line_write()
53 		memcpy(w_buf + sizeof(len_field), name, w_size);  in settings_line_write()
54 		name += w_size;  in settings_line_write()
55 		rem -= w_size;  in settings_line_write()
62 			return -EIO;  in settings_line_write()
65 	/* The Alternative to condition above mean that `rem == 0` as `name` */  in settings_line_write()
68 	w_size = rem - rem % wbs;  in settings_line_write()
71 	rc = settings_io_cb.write_cb(cb_arg, w_loc, name, w_size);  in settings_line_write()
73 	name += w_size;  in settings_line_write()
77 		memcpy(w_buf, name, rem);  in settings_line_write()
89 				add = MIN(rem, sizeof(w_buf) - w_size);  in settings_line_write()
92 				rem -= add;  in settings_line_write()
97 					add = wbs - add;  in settings_line_write()
109 			return -EIO;  in settings_line_write()
129 	entry_ctx->seek += entry_ctx->len; /* to begin of next line */  in settings_next_line_ctx()
131 	entry_ctx->len = 0; /* ask read handler to ignore len */  in settings_next_line_ctx()
138 				rc = -ESPIPE;  in settings_next_line_ctx()
141 			entry_ctx->seek += sizeof(readout);  in settings_next_line_ctx()
142 			entry_ctx->len = readout;  in settings_next_line_ctx()
150 int settings_line_len_calc(const char *name, size_t val_len)  in settings_line_len_calc()  argument
152 	/* <name>=<value> */  in settings_line_len_calc()
153 	return strlen(name) + 1 + val_len;  in settings_line_len_calc()
158  * Read RAW settings line entry data until a char from the storage.
160  * @param seek offset from the line beginning.
161  * @param[out] out buffer for name
163  * @param[out] len_read length of read name
164  * @param[in] until_char pointer on char value until which all line data will
166  * @param[in] cb_arg settings line storage context expected by the
170  * -ERCODE on storage errors
177 	char temp_buf[32]; /* buffer for fit read-block-size requirements */  in settings_line_raw_read_until()
181 	int rc = -EINVAL;  in settings_line_raw_read_until()
184 		return -EINVAL;  in settings_line_raw_read_until()
197 			return -EIO;  in settings_line_raw_read_until()
200 		off = seek - off;  in settings_line_raw_read_until()
201 		len = read_size - off;  in settings_line_raw_read_until()
208 				len = pend - &temp_buf[off];  in settings_line_raw_read_until()
215 		rem_size -= len;  in settings_line_raw_read_until()
225 	*len_read = len_req - rem_size;  in settings_line_raw_read_until()
255 	return len - val_off;  in settings_line_val_get_len()
259  * @param line_loc offset of the settings line, expect that it is aligned to rbs physically.
260  * @param seek offset form the line beginning.
261  * @retval 0 : read proper name
262  * 1 : when read unproper name
263  * -ERCODE for storage errors
278 	int rc = -EINVAL;  in settings_line_entry_copy()
293 			write_size += settings_io_cb.rwbs -  in settings_line_entry_copy()
305 		len -= chunk_size;  in settings_line_entry_copy()
325 /* val_off - offset of value-string within line entries */
332 	int rc = -EINVAL;  in settings_line_cmp()
336 		return -EINVAL;  in settings_line_cmp()
339 	for (rem = val_len; rem > 0; rem -= len_read) {  in settings_line_cmp()
363 int settings_line_dup_check_cb(const char *name, void *val_read_cb_ctx,  in settings_line_dup_check_cb()  argument
370 	if (strcmp(name, cdca->name)) {  in settings_line_dup_check_cb()
375 	if (len_read != cdca->val_len) {  in settings_line_dup_check_cb()
376 		cdca->is_dup = 0;  in settings_line_dup_check_cb()
378 		cdca->is_dup = 1;  in settings_line_dup_check_cb()
380 		if (!settings_line_cmp(cdca->val, cdca->val_len,  in settings_line_dup_check_cb()
382 			cdca->is_dup = 1;  in settings_line_dup_check_cb()
384 			cdca->is_dup = 0;  in settings_line_dup_check_cb()
396 	rc = settings_line_val_read(value_context->off, 0, data, len,  in settings_line_read_cb()
398 				    value_context->read_cb_ctx);  in settings_line_read_cb()
404 	return -1;  in settings_line_read_cb()
407 int settings_line_load_cb(const char *name, void *val_read_cb_ctx, off_t off,  in settings_line_load_cb()  argument
417 	return settings_call_set_handler(name, len, settings_line_read_cb,  in settings_line_load_cb()