utils-std

commit: d2c378b1e5a09ff97aaae36c3846db6309934588
parent e8e83b222ec147ea0a4672030b2ed8d02d84c8da
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Fri, 15 Nov 2024 17:41:01 +0100

cmd/yes: fallback to 4096 when PAGESIZE is undefined

Diffstat:
M
cmd/yes.c
8
++++++++

1 file changed, 8 insertions(+), 0 deletions(-)
diff --git a/cmd/yes.c b/cmd/yes.c
@@ -10,6 +10,14 @@
 #include <string.h> // strlen
 #include <unistd.h> // write
 
+#ifndef PAGESIZE
+// When undefined (allowed by POSIX), assume a somewhat modern system but not too modern
+#define PAGESIZE 4096
+// If getting a true pagesize is important then sysconf(_SC_PAGESIZE)
+// should be used as it is more runtime than ABI.
+// (for example AArch64 allows different pagesizes)
+#endif
+
 int
 main(int argc, char *argv[])
 {