| /* |
| * Copyright (c) 2018 Nordic Semiconductor ASA |
| * Copyright (c) 2015 Runtime Inc |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <ctype.h> |
| #include <string.h> |
| |
| #include "settings/settings.h" |
| #include "settings_priv.h" |
| |
| int settings_line_parse(char *buf, char **namep, char **valp) |
| { |
| char *cp; |
| enum { |
| FIND_NAME, |
| FIND_NAME_END, |
| FIND_VAL, |
| FIND_VAL_END |
| } state = FIND_NAME; |
| |
| *valp = NULL; |
| for (cp = buf; *cp != '\0'; cp++) { |
| switch (state) { |
| case FIND_NAME: |
| if (!isspace((unsigned char)*cp)) { |
| *namep = cp; |
| state = FIND_NAME_END; |
| } |
| break; |
| case FIND_NAME_END: |
| if (*cp == '=') { |
| *cp = '\0'; |
| state = FIND_VAL; |
| } else if (isspace((unsigned char)*cp)) { |
| *cp = '\0'; |
| } |
| break; |
| case FIND_VAL: |
| if (!isspace((unsigned char)*cp)) { |
| *valp = cp; |
| state = FIND_VAL_END; |
| } |
| break; |
| case FIND_VAL_END: |
| if (isspace((unsigned char)*cp)) { |
| *cp = '\0'; |
| } |
| break; |
| } |
| } |
| |
| if (state == FIND_VAL_END || state == FIND_VAL) { |
| return 0; |
| } else { |
| return -1; |
| } |
| } |
| |
| int settings_line_make(char *dst, int dlen, const char *name, const char *value) |
| { |
| int nlen; |
| int vlen; |
| int off; |
| |
| nlen = strlen(name); |
| |
| if (value) { |
| vlen = strlen(value); |
| } else { |
| vlen = 0; |
| } |
| |
| if (nlen + vlen + 2 > dlen) { |
| return -1; |
| } |
| |
| memcpy(dst, name, nlen); |
| off = nlen; |
| dst[off++] = '='; |
| |
| memcpy(dst + off, value, vlen); |
| off += vlen; |
| dst[off] = '\0'; |
| |
| return off; |
| } |