1 | /* append a string */ |
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2 | /* Copyright (c) Olly Betts 1999, 2014, 2024 |
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3 | * |
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4 | * This program is free software; you can redistribute it and/or modify |
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5 | * it under the terms of the GNU General Public License as published by |
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6 | * the Free Software Foundation; either version 2 of the License, or |
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7 | * (at your option) any later version. |
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8 | * |
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9 | * This program is distributed in the hope that it will be useful, |
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | * GNU General Public License for more details. |
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13 | * |
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14 | * You should have received a copy of the GNU General Public License |
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15 | * along with this program; if not, write to the Free Software |
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16 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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17 | */ |
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18 | |
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19 | #include <config.h> |
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20 | |
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21 | #include "str.h" |
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22 | |
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23 | #include <string.h> |
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24 | |
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25 | #include "osalloc.h" |
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26 | |
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27 | void s_expand_(string *pstr, int addition) { |
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28 | int new_size = (pstr->len + addition + 33) & ~7; |
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29 | pstr->s = osrealloc(pstr->s, new_size); |
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30 | pstr->capacity = new_size - 1; |
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31 | } |
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32 | |
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33 | void |
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34 | s_catlen(string* pstr, const char *s, int s_len) |
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35 | { |
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36 | if (pstr->capacity - pstr->len < s_len || s_len == 0) |
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37 | s_expand_(pstr, s_len); |
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38 | memcpy(pstr->s + pstr->len, s, s_len); |
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39 | pstr->len += s_len; |
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40 | pstr->s[pstr->len] = '\0'; |
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41 | } |
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42 | |
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43 | void |
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44 | s_catn(string *pstr, int n, char c) |
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45 | { |
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46 | if (pstr->capacity - pstr->len < n || n == 0) |
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47 | s_expand_(pstr, n); |
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48 | memset(pstr->s + pstr->len, c, n); |
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49 | pstr->len += n; |
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50 | pstr->s[pstr->len] = '\0'; |
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51 | } |
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52 | |
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53 | extern inline void s_cat(string *pstr, const char *s); |
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54 | |
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55 | extern inline void s_catchar(string *pstr, char c); |
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56 | |
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57 | extern inline void s_clear(string *pstr); |
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58 | |
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59 | extern inline void s_truncate(string *pstr, int new_len); |
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60 | |
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61 | extern inline void s_free(string *pstr); |
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62 | |
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63 | extern inline char *s_steal(string *pstr); |
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64 | |
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65 | extern inline void s_donate(string *pstr, char *s); |
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66 | |
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67 | extern inline int s_len(const string *pstr); |
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68 | |
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69 | extern inline bool s_empty(const string *pstr); |
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70 | |
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71 | extern inline const char *s_str(string *pstr); |
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72 | |
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73 | extern inline bool s_eqlen(const string *pstr, const char *s, int s_len); |
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74 | |
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75 | extern inline bool s_eq(const string *pstr, const char *s); |
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