pagesize.c - ubase - suckless linux base utils | |
git clone git://git.suckless.org/ubase | |
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pagesize.c (484B) | |
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1 /* See LICENSE file for copyright and license details. */ | |
2 #include <stdio.h> | |
3 #include <stdlib.h> | |
4 #include <unistd.h> | |
5 | |
6 #include "util.h" | |
7 | |
8 static void | |
9 usage(void) | |
10 { | |
11 eprintf("usage: %s\n", argv0); | |
12 } | |
13 | |
14 int | |
15 main(int argc, char *argv[]) | |
16 { | |
17 long pagesz; | |
18 | |
19 ARGBEGIN { | |
20 default: | |
21 usage(); | |
22 } ARGEND; | |
23 | |
24 pagesz = sysconf(_SC_PAGESIZE); | |
25 if (pagesz <= 0) { | |
26 pagesz = sysconf(_SC_PAGE_SIZE); | |
27 if (pagesz <= 0) | |
28 eprintf("can't determine pagesize\n"); | |
29 } | |
30 printf("%ld\n", pagesz); | |
31 return 0; | |
32 } |