xserver-multidpi/test/signal-logging.c
Chase Douglas 704b847abf Add FormatUInt64{,Hex}() for formatting numbers in a signal safe manner
Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2012-06-21 15:45:22 +10:00

116 lines
3.1 KiB
C

/**
* Copyright © 2012 Canonical, Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <stdint.h>
#include "assert.h"
#include "misc.h"
struct number_format_test {
uint64_t number;
char string[21];
char hex_string[17];
};
static Bool
check_number_format_test(const struct number_format_test *test)
{
char string[21];
FormatUInt64(test->number, string);
if(strncmp(string, test->string, 21) != 0) {
fprintf(stderr, "Failed to convert %ju to decimal string (%s vs %s)\n",
test->number, test->string, string);
return FALSE;
}
FormatUInt64Hex(test->number, string);
if(strncmp(string, test->hex_string, 17) != 0) {
fprintf(stderr,
"Failed to convert %ju to hexadecimal string (%s vs %s)\n",
test->number, test->hex_string, string);
return FALSE;
}
return TRUE;
}
static Bool
number_formatting(void)
{
int i;
struct number_format_test tests[] = {
{ /* Zero */
0,
"0",
"0",
},
{ /* Single digit number */
5,
"5",
"5",
},
{ /* Two digit decimal number */
12,
"12",
"c",
},
{ /* Two digit hex number */
37,
"37",
"25",
},
{ /* Large < 32 bit number */
0xC90B2,
"823474",
"c90b2",
},
{ /* Large > 32 bit number */
0x15D027BF211B37A,
"98237498237498234",
"15d027bf211b37a",
},
{ /* Maximum 64-bit number */
0xFFFFFFFFFFFFFFFF,
"18446744073709551615",
"ffffffffffffffff",
},
};
for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++)
if (!check_number_format_test(tests + i))
return FALSE;
return TRUE;
}
int
main(int argc, char **argv)
{
int ok = number_formatting();
return ok ? 0 : 1;
}