1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 * |
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4 * Copyright 2011 Olaf Wintermann. All rights reserved. |
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5 * |
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6 * Redistribution and use in source and binary forms, with or without |
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7 * modification, are permitted provided that the following conditions are met: |
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8 * |
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9 * 1. Redistributions of source code must retain the above copyright |
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10 * notice, this list of conditions and the following disclaimer. |
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11 * |
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12 * 2. Redistributions in binary form must reproduce the above copyright |
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13 * notice, this list of conditions and the following disclaimer in the |
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14 * documentation and/or other materials provided with the distribution. |
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15 * |
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 * POSSIBILITY OF SUCH DAMAGE. |
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27 */ |
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28 |
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29 #include <stdio.h> |
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30 #include <stdlib.h> |
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31 #include <string.h> |
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32 |
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33 #include "strbuf.h" |
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34 #include "sstring.h" |
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35 |
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36 sbuf_t* sbuf_new(size_t size) { |
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37 sbuf_t *buf = malloc(sizeof(sbuf_t)); |
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38 |
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39 buf->ptr = malloc(size); |
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40 buf->ptr[0] = 0; |
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41 buf->size = size; |
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42 buf->length = 0; |
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43 |
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44 return buf; |
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45 } |
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46 |
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47 void sbuf_puts(sbuf_t *buf, char *str) { |
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48 sbuf_append(buf, sstr(str)); |
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49 } |
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50 |
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51 void sbuf_put(sbuf_t *buf, char chr) { |
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52 sbuf_append(buf, sstrn(&chr, 1)); |
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53 } |
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54 |
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55 void sbuf_append(sbuf_t *buf, sstr_t str) { |
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56 if (buf->length + str.length >= buf->size) { |
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57 buf->size *= 2; |
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58 buf->ptr = realloc(buf->ptr, buf->size); |
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59 sbuf_append(buf, str); |
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60 return; |
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61 } |
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62 |
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63 memcpy(&buf->ptr[buf->length], str.ptr, str.length); |
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64 buf->length += str.length; |
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65 buf->ptr[buf->length] = 0; |
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66 } |
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67 |
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68 void sbuf_free(sbuf_t *buf) { |
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69 free(buf->ptr); |
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70 free(buf); |
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71 } |
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