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d26e3629 KY |
1 | /* A simple growing buffer for GDB. |
2 | ||
32d0add0 | 3 | Copyright (C) 2009-2015 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 | ||
727605ca | 20 | #include "common-defs.h" |
d26e3629 KY |
21 | #include "xml-utils.h" |
22 | #include "buffer.h" | |
da2d6d3d | 23 | #include "inttypes.h" |
d26e3629 KY |
24 | void |
25 | buffer_grow (struct buffer *buffer, const char *data, size_t size) | |
26 | { | |
27 | char *new_buffer; | |
28 | size_t new_buffer_size; | |
29 | ||
30 | if (size == 0) | |
31 | return; | |
32 | ||
33 | new_buffer_size = buffer->buffer_size; | |
34 | ||
35 | if (new_buffer_size == 0) | |
36 | new_buffer_size = 1; | |
37 | ||
38 | while (buffer->used_size + size > new_buffer_size) | |
39 | new_buffer_size *= 2; | |
40 | new_buffer = xrealloc (buffer->buffer, new_buffer_size); | |
d26e3629 KY |
41 | memcpy (new_buffer + buffer->used_size, data, size); |
42 | buffer->buffer = new_buffer; | |
43 | buffer->buffer_size = new_buffer_size; | |
44 | buffer->used_size += size; | |
45 | } | |
46 | ||
47 | void | |
48 | buffer_free (struct buffer *buffer) | |
49 | { | |
50 | if (!buffer) | |
51 | return; | |
52 | ||
53 | xfree (buffer->buffer); | |
54 | buffer->buffer = NULL; | |
55 | buffer->buffer_size = 0; | |
56 | buffer->used_size = 0; | |
57 | } | |
58 | ||
59 | void | |
60 | buffer_init (struct buffer *buffer) | |
61 | { | |
62 | memset (buffer, 0, sizeof (*buffer)); | |
63 | } | |
64 | ||
65 | char* | |
66 | buffer_finish (struct buffer *buffer) | |
67 | { | |
68 | char *ret = buffer->buffer; | |
69 | buffer->buffer = NULL; | |
70 | buffer->buffer_size = 0; | |
71 | buffer->used_size = 0; | |
72 | return ret; | |
73 | } | |
74 | ||
75 | void | |
76 | buffer_xml_printf (struct buffer *buffer, const char *format, ...) | |
77 | { | |
78 | va_list ap; | |
79 | const char *f; | |
80 | const char *prev; | |
81 | int percent = 0; | |
82 | ||
83 | va_start (ap, format); | |
84 | ||
85 | prev = format; | |
86 | for (f = format; *f; f++) | |
87 | { | |
88 | if (percent) | |
89 | { | |
90 | char buf[32]; | |
91 | char *p; | |
92 | char *str = buf; | |
85d4a676 | 93 | const char *f_old = f; |
d26e3629 KY |
94 | |
95 | switch (*f) | |
96 | { | |
97 | case 's': | |
98 | str = va_arg (ap, char *); | |
99 | break; | |
100 | case 'd': | |
101 | sprintf (str, "%d", va_arg (ap, int)); | |
102 | break; | |
103 | case 'u': | |
104 | sprintf (str, "%u", va_arg (ap, unsigned int)); | |
105 | break; | |
106 | case 'x': | |
107 | sprintf (str, "%x", va_arg (ap, unsigned int)); | |
108 | break; | |
109 | case 'o': | |
110 | sprintf (str, "%o", va_arg (ap, unsigned int)); | |
111 | break; | |
85d4a676 SS |
112 | case 'l': |
113 | f++; | |
114 | switch (*f) | |
115 | { | |
116 | case 'd': | |
117 | sprintf (str, "%ld", va_arg (ap, long)); | |
118 | break; | |
119 | case 'u': | |
120 | sprintf (str, "%lu", va_arg (ap, unsigned long)); | |
121 | break; | |
122 | case 'x': | |
123 | sprintf (str, "%lx", va_arg (ap, unsigned long)); | |
124 | break; | |
125 | case 'o': | |
126 | sprintf (str, "%lo", va_arg (ap, unsigned long)); | |
127 | break; | |
128 | case 'l': | |
129 | f++; | |
130 | switch (*f) | |
131 | { | |
132 | case 'd': | |
da2d6d3d JK |
133 | sprintf (str, "%" PRId64, |
134 | (int64_t) va_arg (ap, long long)); | |
85d4a676 SS |
135 | break; |
136 | case 'u': | |
da2d6d3d JK |
137 | sprintf (str, "%" PRIu64, |
138 | (uint64_t) va_arg (ap, unsigned long long)); | |
85d4a676 SS |
139 | break; |
140 | case 'x': | |
da2d6d3d JK |
141 | sprintf (str, "%" PRIx64, |
142 | (uint64_t) va_arg (ap, unsigned long long)); | |
85d4a676 SS |
143 | break; |
144 | case 'o': | |
da2d6d3d JK |
145 | sprintf (str, "%" PRIo64, |
146 | (uint64_t) va_arg (ap, unsigned long long)); | |
85d4a676 SS |
147 | break; |
148 | default: | |
149 | str = 0; | |
150 | break; | |
151 | } | |
152 | break; | |
153 | default: | |
154 | str = 0; | |
155 | break; | |
156 | } | |
157 | break; | |
d26e3629 KY |
158 | default: |
159 | str = 0; | |
160 | break; | |
161 | } | |
85d4a676 | 162 | |
d26e3629 KY |
163 | if (str) |
164 | { | |
85d4a676 | 165 | buffer_grow (buffer, prev, f_old - prev - 1); |
d26e3629 KY |
166 | p = xml_escape_text (str); |
167 | buffer_grow_str (buffer, p); | |
168 | xfree (p); | |
169 | prev = f + 1; | |
170 | } | |
171 | percent = 0; | |
172 | } | |
173 | else if (*f == '%') | |
174 | percent = 1; | |
175 | } | |
176 | ||
177 | buffer_grow_str (buffer, prev); | |
178 | va_end (ap); | |
179 | } | |
180 |