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-rw-r--r--usr.bin/look/look.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/usr.bin/look/look.c b/usr.bin/look/look.c
index e6fd1b8..7c590c7 100644
--- a/usr.bin/look/look.c
+++ b/usr.bin/look/look.c
@@ -140,6 +140,10 @@ main(int argc, char *argv[])
err(2, "%s", file);
if (sb.st_size > SIZE_T_MAX)
errx(2, "%s: %s", file, strerror(EFBIG));
+ if (sb.st_size == 0) {
+ close(fd);
+ continue;
+ }
if ((front = mmap(NULL, (size_t)sb.st_size, PROT_READ, MAP_SHARED, fd, (off_t)0)) == MAP_FAILED)
err(2, "%s", file);
back = front + sb.st_size;
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