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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 /coreutils
parent0ed5f7aacd5e412d80524a1fc7f90b55f470827b (diff)
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shuf: fix a segfault on 'shuf -e'
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'coreutils')
-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)
126 fclose_if_not_stdin(fp); 126 fclose_if_not_stdin(fp);
127 } 127 }
128 128
129 shuffle_lines(lines, numlines); 129 if (numlines != 0)
130 shuffle_lines(lines, numlines);
130 131
131 if (opts & OPT_o) 132 if (opts & OPT_o)
132 xmove_fd(xopen(opt_o_str, O_WRONLY|O_CREAT|O_TRUNC), STDOUT_FILENO); 133 xmove_fd(xopen(opt_o_str, O_WRONLY|O_CREAT|O_TRUNC), STDOUT_FILENO);