Fix compiler warning (git_off_t cast to size_t).

Use size_t for page size, instead of long. Check result of sysconf.
Use size_t for page offset so no cast to size_t (second arg to p_mmap).
Use mod instead div/mult pair, so no cast to size_t is necessary.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/posix.c b/src/posix.c
index 7aeb0e6c1..7db633628 100644
--- a/src/posix.c
+++ b/src/posix.c
@@ -207,10 +207,11 @@ int p_write(git_file fd, const void *buf, size_t cnt)
 
 #include "map.h"
 
-long git__page_size(void)
+int git__page_size(size_t *page_size)
 {
 	/* dummy; here we don't need any alignment anyway */
-	return 4096;
+	*page_size = 4096;
+	return 0;
 }