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Bump the cutoff mark for comparing files from 8 MB to 16 MB.

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This commit is contained in:
Dag-Erling Smørgrav 2002-03-18 23:26:13 +00:00
parent 1b7fb13116
commit 3b67680b63
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=92611
1 changed files with 3 additions and 1 deletions
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4
usr.bin/xinstall/xinstall.c
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@ -74,6 +74,8 @@ static const char sccsid[] = "From: @(#)xinstall.c 8.1 (Berkeley) 7/21/93";
#define MAP_FAILED ((void *)-1) /* from <sys/mman.h> */
#endif
#define MAX_CMP_SIZE (16 * 1024 * 1024)
#define DIRECTORY 0x01 /* Tell install it's a directory. */
#define SETFLAGS 0x02 /* Tell install to set flags. */
#define NOCHANGEBITS (UF_IMMUTABLE | UF_APPEND | SF_IMMUTABLE | SF_APPEND)
@ -528,7 +530,7 @@ compare(int from_fd, const char *from_name __unused, size_t from_len,
if (from_len != to_len)
return 1;
if (from_len <= 8 * 1024 * 1024) {
if (from_len <= MAX_CMP_SIZE) {
done_compare = 0;
if (trymmap(from_fd) && trymmap(to_fd)) {
p = mmap(NULL, from_len, PROT_READ, MAP_SHARED, from_fd, (off_t)0);