зеркало из https://github.com/mozilla/gecko-dev.git
53 строки
1.2 KiB
C
53 строки
1.2 KiB
C
#include <stdio.h>
|
|
#include "config.h"
|
|
#include <stdlib.h>
|
|
|
|
/**
|
|
* A little utility function to generate header info.
|
|
*
|
|
* Yes, it would be possible to do this using more "native" autoconf
|
|
* features, but I personally find this approach to be cleaner.
|
|
*
|
|
* The output of this program is generally written to art_config.h,
|
|
* which is installed in libart's include dir.
|
|
**/
|
|
|
|
static void
|
|
die (char *why)
|
|
{
|
|
fprintf (stderr, "gen_art_config: %s\n", why);
|
|
exit (1);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
printf ("/* Automatically generated by gen_art_config.c */\n"
|
|
"\n"
|
|
"#define ART_SIZEOF_CHAR %d\n"
|
|
"#define ART_SIZEOF_SHORT %d\n"
|
|
"#define ART_SIZEOF_INT %d\n"
|
|
"#define ART_SIZEOF_LONG %d\n"
|
|
"\n",
|
|
(int)sizeof(char), (int)sizeof(short), (int)sizeof(int), (int)sizeof(long));
|
|
|
|
if (sizeof(char) == 1)
|
|
printf ("typedef unsigned char art_u8;\n");
|
|
else
|
|
die ("sizeof(char) != 1");
|
|
|
|
if (sizeof(short) == 2)
|
|
printf ("typedef unsigned short art_u16;\n");
|
|
else
|
|
die ("sizeof(short) != 2");
|
|
|
|
if (sizeof(int) == 4)
|
|
printf ("typedef unsigned int art_u32;\n");
|
|
else if (sizeof(long) == 4)
|
|
printf ("typedef unsigned long art_u32;\n");
|
|
else
|
|
die ("sizeof(int) != 4 and sizeof(long) != 4");
|
|
|
|
return 0;
|
|
}
|