| /* |
| <:copyright-BRCM:2016:DUAL/GPL:standard |
| |
| Broadcom Proprietary and Confidential.(c) 2016 Broadcom |
| All Rights Reserved |
| |
| Unless you and Broadcom execute a separate written software license |
| agreement governing use of this software, this software is licensed |
| to you under the terms of the GNU General Public License version 2 |
| (the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php, |
| with the following added to such license: |
| |
| As a special exception, the copyright holders of this software give |
| you permission to link this software with independent modules, and |
| to copy and distribute the resulting executable under terms of your |
| choice, provided that you also meet, for each linked independent |
| module, the terms and conditions of the license of that module. |
| An independent module is a module which is not derived from this |
| software. The special exception does not apply to any modifications |
| of the software. |
| |
| Not withstanding the above, under no circumstances may you combine |
| this software in any way with any other Broadcom software provided |
| under a license other than the GPL, without Broadcom's express prior |
| written consent. |
| |
| :> |
| */ |
| |
| #include "bcmolt_string.h" |
| #include "bcmolt_math.h" |
| |
| struct bcmolt_string |
| { |
| char *str; |
| uint32_t max_len; |
| char *curr; |
| int32_t remaining; |
| }; |
| |
| int bcmolt_string_copy(bcmolt_string *str, const char *buf, uint32_t size) |
| { |
| int to_copy = MIN(size, str->remaining); |
| memcpy(str->curr, buf, to_copy); |
| str->remaining -= to_copy; |
| str->curr += to_copy; |
| str->curr[0] = '\0'; |
| return to_copy; |
| } |
| |
| int bcmolt_string_append(bcmolt_string *str, const char *fmt, ...) |
| { |
| int n; |
| va_list args; |
| |
| va_start(args, fmt); |
| n = vsnprintf(str->curr, str->remaining, fmt, args); |
| va_end(args); |
| if (n > 0) |
| { |
| if (n > str->remaining) |
| { |
| n = str->remaining; |
| } |
| str->remaining -= n; |
| str->curr += n; |
| } |
| |
| return n; |
| } |
| |
| const char *bcmolt_string_get(bcmolt_string *str) |
| { |
| return str->str; |
| } |
| |
| void bcmolt_string_reset(bcmolt_string *str) |
| { |
| str->str[0] = '\0'; |
| str->curr = str->str; |
| str->remaining = str->max_len; |
| } |
| |
| bcmos_errno bcmolt_string_create(bcmolt_string **str, uint32_t max_len) |
| { |
| *str = bcmos_calloc(sizeof(bcmolt_string) + max_len + 1); |
| if (*str != NULL) |
| { |
| (*str)->str = (char*)((*str) + 1); |
| (*str)->max_len = max_len; |
| bcmolt_string_reset(*str); |
| return BCM_ERR_OK; |
| } |
| |
| return BCM_ERR_NOMEM; |
| } |
| |
| void bcmolt_string_destroy(bcmolt_string *str) |
| { |
| bcmos_free(str); |
| } |
| |