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d26e3629 KY |
1 | /* A simple growing buffer for GDB. |
2 | ||
28e7fd62 | 3 | Copyright (C) 2009-2013 Free Software Foundation, Inc. |
d26e3629 KY |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #ifdef GDBSERVER | |
21 | #include "server.h" | |
22 | #else | |
23 | #include "defs.h" | |
24 | #endif | |
25 | ||
26 | #include "xml-utils.h" | |
27 | #include "buffer.h" | |
da2d6d3d | 28 | #include "inttypes.h" |
d26e3629 KY |
29 | |
30 | #include <stdlib.h> | |
31 | #include <string.h> | |
32 | #include <stdio.h> | |
da2d6d3d | 33 | #include <stdint.h> |
d26e3629 KY |
34 | |
35 | void | |
36 | buffer_grow (struct buffer *buffer, const char *data, size_t size) | |
37 | { | |
38 | char *new_buffer; | |
39 | size_t new_buffer_size; | |
40 | ||
41 | if (size == 0) | |
42 | return; | |
43 | ||
44 | new_buffer_size = buffer->buffer_size; | |
45 | ||
46 | if (new_buffer_size == 0) | |
47 | new_buffer_size = 1; | |
48 | ||
49 | while (buffer->used_size + size > new_buffer_size) | |
50 | new_buffer_size *= 2; | |
51 | new_buffer = xrealloc (buffer->buffer, new_buffer_size); | |
d26e3629 KY |
52 | memcpy (new_buffer + buffer->used_size, data, size); |
53 | buffer->buffer = new_buffer; | |
54 | buffer->buffer_size = new_buffer_size; | |
55 | buffer->used_size += size; | |
56 | } | |
57 | ||
58 | void | |
59 | buffer_free (struct buffer *buffer) | |
60 | { | |
61 | if (!buffer) | |
62 | return; | |
63 | ||
64 | xfree (buffer->buffer); | |
65 | buffer->buffer = NULL; | |
66 | buffer->buffer_size = 0; | |
67 | buffer->used_size = 0; | |
68 | } | |
69 | ||
70 | void | |
71 | buffer_init (struct buffer *buffer) | |
72 | { | |
73 | memset (buffer, 0, sizeof (*buffer)); | |
74 | } | |
75 | ||
76 | char* | |
77 | buffer_finish (struct buffer *buffer) | |
78 | { | |
79 | char *ret = buffer->buffer; | |
80 | buffer->buffer = NULL; | |
81 | buffer->buffer_size = 0; | |
82 | buffer->used_size = 0; | |
83 | return ret; | |
84 | } | |
85 | ||
86 | void | |
87 | buffer_xml_printf (struct buffer *buffer, const char *format, ...) | |
88 | { | |
89 | va_list ap; | |
90 | const char *f; | |
91 | const char *prev; | |
92 | int percent = 0; | |
93 | ||
94 | va_start (ap, format); | |
95 | ||
96 | prev = format; | |
97 | for (f = format; *f; f++) | |
98 | { | |
99 | if (percent) | |
100 | { | |
101 | char buf[32]; | |
102 | char *p; | |
103 | char *str = buf; | |
85d4a676 | 104 | const char *f_old = f; |
d26e3629 KY |
105 | |
106 | switch (*f) | |
107 | { | |
108 | case 's': | |
109 | str = va_arg (ap, char *); | |
110 | break; | |
111 | case 'd': | |
112 | sprintf (str, "%d", va_arg (ap, int)); | |
113 | break; | |
114 | case 'u': | |
115 | sprintf (str, "%u", va_arg (ap, unsigned int)); | |
116 | break; | |
117 | case 'x': | |
118 | sprintf (str, "%x", va_arg (ap, unsigned int)); | |
119 | break; | |
120 | case 'o': | |
121 | sprintf (str, "%o", va_arg (ap, unsigned int)); | |
122 | break; | |
85d4a676 SS |
123 | case 'l': |
124 | f++; | |
125 | switch (*f) | |
126 | { | |
127 | case 'd': | |
128 | sprintf (str, "%ld", va_arg (ap, long)); | |
129 | break; | |
130 | case 'u': | |
131 | sprintf (str, "%lu", va_arg (ap, unsigned long)); | |
132 | break; | |
133 | case 'x': | |
134 | sprintf (str, "%lx", va_arg (ap, unsigned long)); | |
135 | break; | |
136 | case 'o': | |
137 | sprintf (str, "%lo", va_arg (ap, unsigned long)); | |
138 | break; | |
139 | case 'l': | |
140 | f++; | |
141 | switch (*f) | |
142 | { | |
143 | case 'd': | |
da2d6d3d JK |
144 | sprintf (str, "%" PRId64, |
145 | (int64_t) va_arg (ap, long long)); | |
85d4a676 SS |
146 | break; |
147 | case 'u': | |
da2d6d3d JK |
148 | sprintf (str, "%" PRIu64, |
149 | (uint64_t) va_arg (ap, unsigned long long)); | |
85d4a676 SS |
150 | break; |
151 | case 'x': | |
da2d6d3d JK |
152 | sprintf (str, "%" PRIx64, |
153 | (uint64_t) va_arg (ap, unsigned long long)); | |
85d4a676 SS |
154 | break; |
155 | case 'o': | |
da2d6d3d JK |
156 | sprintf (str, "%" PRIo64, |
157 | (uint64_t) va_arg (ap, unsigned long long)); | |
85d4a676 SS |
158 | break; |
159 | default: | |
160 | str = 0; | |
161 | break; | |
162 | } | |
163 | break; | |
164 | default: | |
165 | str = 0; | |
166 | break; | |
167 | } | |
168 | break; | |
d26e3629 KY |
169 | default: |
170 | str = 0; | |
171 | break; | |
172 | } | |
85d4a676 | 173 | |
d26e3629 KY |
174 | if (str) |
175 | { | |
85d4a676 | 176 | buffer_grow (buffer, prev, f_old - prev - 1); |
d26e3629 KY |
177 | p = xml_escape_text (str); |
178 | buffer_grow_str (buffer, p); | |
179 | xfree (p); | |
180 | prev = f + 1; | |
181 | } | |
182 | percent = 0; | |
183 | } | |
184 | else if (*f == '%') | |
185 | percent = 1; | |
186 | } | |
187 | ||
188 | buffer_grow_str (buffer, prev); | |
189 | va_end (ap); | |
190 | } | |
191 |