1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180
|
/* A simple growing buffer for GDB.
Copyright (C) 2009-2015 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "common-defs.h"
#include "xml-utils.h"
#include "buffer.h"
#include "inttypes.h"
void
buffer_grow (struct buffer *buffer, const char *data, size_t size)
{
char *new_buffer;
size_t new_buffer_size;
if (size == 0)
return;
new_buffer_size = buffer->buffer_size;
if (new_buffer_size == 0)
new_buffer_size = 1;
while (buffer->used_size + size > new_buffer_size)
new_buffer_size *= 2;
new_buffer = (char *) xrealloc (buffer->buffer, new_buffer_size);
memcpy (new_buffer + buffer->used_size, data, size);
buffer->buffer = new_buffer;
buffer->buffer_size = new_buffer_size;
buffer->used_size += size;
}
void
buffer_free (struct buffer *buffer)
{
if (!buffer)
return;
xfree (buffer->buffer);
buffer->buffer = NULL;
buffer->buffer_size = 0;
buffer->used_size = 0;
}
void
buffer_init (struct buffer *buffer)
{
memset (buffer, 0, sizeof (*buffer));
}
char*
buffer_finish (struct buffer *buffer)
{
char *ret = buffer->buffer;
buffer->buffer = NULL;
buffer->buffer_size = 0;
buffer->used_size = 0;
return ret;
}
void
buffer_xml_printf (struct buffer *buffer, const char *format, ...)
{
va_list ap;
const char *f;
const char *prev;
int percent = 0;
va_start (ap, format);
prev = format;
for (f = format; *f; f++)
{
if (percent)
{
char buf[32];
char *p;
char *str = buf;
const char *f_old = f;
switch (*f)
{
case 's':
str = va_arg (ap, char *);
break;
case 'd':
sprintf (str, "%d", va_arg (ap, int));
break;
case 'u':
sprintf (str, "%u", va_arg (ap, unsigned int));
break;
case 'x':
sprintf (str, "%x", va_arg (ap, unsigned int));
break;
case 'o':
sprintf (str, "%o", va_arg (ap, unsigned int));
break;
case 'l':
f++;
switch (*f)
{
case 'd':
sprintf (str, "%ld", va_arg (ap, long));
break;
case 'u':
sprintf (str, "%lu", va_arg (ap, unsigned long));
break;
case 'x':
sprintf (str, "%lx", va_arg (ap, unsigned long));
break;
case 'o':
sprintf (str, "%lo", va_arg (ap, unsigned long));
break;
case 'l':
f++;
switch (*f)
{
case 'd':
sprintf (str, "%" PRId64,
(int64_t) va_arg (ap, long long));
break;
case 'u':
sprintf (str, "%" PRIu64,
(uint64_t) va_arg (ap, unsigned long long));
break;
case 'x':
sprintf (str, "%" PRIx64,
(uint64_t) va_arg (ap, unsigned long long));
break;
case 'o':
sprintf (str, "%" PRIo64,
(uint64_t) va_arg (ap, unsigned long long));
break;
default:
str = 0;
break;
}
break;
default:
str = 0;
break;
}
break;
default:
str = 0;
break;
}
if (str)
{
buffer_grow (buffer, prev, f_old - prev - 1);
p = xml_escape_text (str);
buffer_grow_str (buffer, p);
xfree (p);
prev = f + 1;
}
percent = 0;
}
else if (*f == '%')
percent = 1;
}
buffer_grow_str (buffer, prev);
va_end (ap);
}
|