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| author | Nicholas Marriott <nicholas.marriott@gmail.com> | 2014-03-24 12:00:15 +0000 |
|---|---|---|
| committer | Nicholas Marriott <nicholas.marriott@gmail.com> | 2014-03-24 12:00:15 +0000 |
| commit | 26c42ad1e4bf8db443c5e2cbb14c0b82329a6137 (patch) | |
| tree | 043659bd6e545e783b5560c8bc27ef2a0ade4f1f /cmd-set-buffer.c | |
| parent | 77603c4f2de1961b3da141b3e6e4ce2f983365d4 (diff) | |
Don't crash with a zero-length argument to setb, from J Raynor.
Diffstat (limited to 'cmd-set-buffer.c')
| -rw-r--r-- | cmd-set-buffer.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/cmd-set-buffer.c b/cmd-set-buffer.c index 0e754bb6..e7f9b95d 100644 --- a/cmd-set-buffer.c +++ b/cmd-set-buffer.c @@ -56,6 +56,9 @@ cmd_set_buffer_exec(struct cmd *self, struct cmd_q *cmdq) pb = NULL; buffer = -1; + if ((newsize = strlen(args->argv[0])) == 0) + return (CMD_RETURN_NORMAL); + if (args_has(args, 'b')) { buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause); if (cause != NULL) { @@ -80,8 +83,6 @@ cmd_set_buffer_exec(struct cmd *self, struct cmd_q *cmdq) memcpy(pdata, pb->data, psize); } - newsize = strlen(args->argv[0]); - pdata = xrealloc(pdata, 1, psize + newsize); memcpy(pdata + psize, args->argv[0], newsize); psize += newsize; |