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vlib: fix unix cli SIGSEGV for empty line input
[vpp.git]
/
src
/
vlib
/
unix
/
cli.c
diff --git
a/src/vlib/unix/cli.c
b/src/vlib/unix/cli.c
index
6e566d1
..
2a13c84
100644
(file)
--- a/
src/vlib/unix/cli.c
+++ b/
src/vlib/unix/cli.c
@@
-2557,7
+2557,8
@@
more:
format_timeval, 0 /* current bat-time */ ,
0 /* current bat-format */ ,
cli_file_index, cf->current_command);
format_timeval, 0 /* current bat-time */ ,
0 /* current bat-format */ ,
cli_file_index, cf->current_command);
- if (cf->current_command[vec_len (cf->current_command) - 1] != '\n')
+ if ((vec_len (cf->current_command) > 0) &&
+ (cf->current_command[vec_len (cf->current_command) - 1] != '\n'))
lv = format (lv, "\n");
int rv __attribute__ ((unused)) = write (um->log_fd, lv, vec_len (lv));
}
lv = format (lv, "\n");
int rv __attribute__ ((unused)) = write (um->log_fd, lv, vec_len (lv));
}