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authorBartosz Golaszewski <bartekgola@gmail.com>2014-03-07 11:46:03 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2014-03-07 11:46:03 +0100
commit58adbb5505d0c643c18d956934aa8afa18e612eb (patch)
tree82a33e21b7a24723dd85c0bdc20798cd910cd5e6
parent0ed5f7aacd5e412d80524a1fc7f90b55f470827b (diff)
downloadbusybox-58adbb5505d0c643c18d956934aa8afa18e612eb.tar.gz
shuf: fix a segfault on 'shuf -e'
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--coreutils/shuf.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/coreutils/shuf.c b/coreutils/shuf.c
index f213d6759..648a4abbb 100644
--- a/coreutils/shuf.c
+++ b/coreutils/shuf.c
@@ -126,7 +126,8 @@ int shuf_main(int argc, char **argv)
fclose_if_not_stdin(fp);
}
- shuffle_lines(lines, numlines);
+ if (numlines != 0)
+ shuffle_lines(lines, numlines);
if (opts & OPT_o)
xmove_fd(xopen(opt_o_str, O_WRONLY|O_CREAT|O_TRUNC), STDOUT_FILENO);