1 // Copyright 2008-2009 Wincent Colaiuta. All rights reserved.
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are met:
6 // 1. Redistributions of source code must retain the above copyright notice,
7 // this list of conditions and the following disclaimer.
8 // 2. Redistributions in binary form must reproduce the above copyright notice,
9 // this list of conditions and the following disclaimer in the documentation
10 // and/or other materials provided with the distribution.
12 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
13 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
14 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
15 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
16 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
17 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
18 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
19 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
20 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
21 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
22 // POSSIBILITY OF SUCH DAMAGE.
28 str_t *str = ALLOC_N(str_t, 1);
35 str_t *str_new_size(long len)
37 str_t *str = ALLOC_N(str_t, 1);
38 str->ptr = ALLOC_N(char, len);
44 str_t *str_new_copy(char *src, long len)
46 str_t *str = ALLOC_N(str_t, 1);
47 str->ptr = ALLOC_N(char, len);
48 memcpy(str->ptr, src, len);
54 str_t *str_new_no_copy(char *src, long len)
56 str_t *str = ALLOC_N(str_t, 1);
63 str_t *str_new_from_string(VALUE string)
65 string = StringValue(string);
66 return str_new_copy(RSTRING_PTR(string), RSTRING_LEN(string));
69 VALUE string_from_str(str_t *str)
71 return rb_str_new(str->ptr, str->len);
74 void str_grow(str_t *str, long len)
76 if (str->capacity < len)
79 REALLOC_N(str->ptr, char, len);
81 str->ptr = ALLOC_N(char, len);
86 void str_append(str_t *str, char *src, long len)
88 long new_len = str->len + len;
89 if (str->capacity < new_len)
92 REALLOC_N(str->ptr, char, new_len);
94 str->ptr = ALLOC_N(char, new_len);
95 str->capacity = new_len;
97 memcpy(str->ptr + str->len, src, len);
101 void str_append_str(str_t *str, str_t *other)
103 str_append(str, other->ptr, other->len);
106 void str_append_rb_str(str_t *str, VALUE other)
108 str_append(str, RSTRING_PTR(other), RSTRING_LEN(other));
111 void str_swap(str_t **a, str_t **b)
119 void str_clear(str_t *str)
124 void str_free(str_t *str)