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authoralex <alex@FreeBSD.org>1997-01-16 21:58:40 +0000
committeralex <alex@FreeBSD.org>1997-01-16 21:58:40 +0000
commita3118e8c6826349b3fc54da3850d6dea994a3a35 (patch)
treed61898dd79824c10ca33127214d8569c804559c2 /usr.bin/look
parent752ba4d26f2e94cc31940f50407a6b18b86ee0e8 (diff)
downloadFreeBSD-src-a3118e8c6826349b3fc54da3850d6dea994a3a35.zip
FreeBSD-src-a3118e8c6826349b3fc54da3850d6dea994a3a35.tar.gz
Sweep through the tree fixing mmap() usage:
- Use MAP_FAILED instead of the constant -1 to indicate failure (required by POSIX). - Removed flag arguments of '0' (required by POSIX). - Fixed code which expected an error return of 0. - Fixed code which thought any address with the high bit set was an error. - Check for failure where no checks were present. Discussed with: bde
Diffstat (limited to 'usr.bin/look')
-rw-r--r--usr.bin/look/look.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/usr.bin/look/look.c b/usr.bin/look/look.c
index e2bd952..daef12f 100644
--- a/usr.bin/look/look.c
+++ b/usr.bin/look/look.c
@@ -143,7 +143,7 @@ main(argc, argv)
if (sb.st_size > SIZE_T_MAX)
err("%s: %s", file, strerror(EFBIG));
if ((front = mmap(NULL,
- (size_t)sb.st_size, PROT_READ, 0, fd, (off_t)0)) == NULL)
+ (size_t)sb.st_size, PROT_READ, MAP_SHARED, fd, (off_t)0)) == MAP_FAILED)
err("%s: %s", file, strerror(errno));
back = front + sb.st_size;
exit(look(string, front, back));
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