diff options
-rw-r--r-- | lib/command.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/command.c b/lib/command.c index e92251160..099563721 100644 --- a/lib/command.c +++ b/lib/command.c @@ -735,9 +735,13 @@ char *cmd_variable_comp2str(vector comps, unsigned short cols) char *item = vector_slot(comps, j); itemlen = strlen(item); - if (cs + itemlen + AUTOCOMP_INDENT + 3 >= bsz) - buf = XREALLOC(MTYPE_TMP, buf, (bsz *= 2)); + size_t next_sz = cs + itemlen + AUTOCOMP_INDENT + 3; + if (next_sz > bsz) { + /* Make sure the buf size is large enough */ + bsz = next_sz; + buf = XREALLOC(MTYPE_TMP, buf, bsz); + } if (lc + itemlen + 1 >= cols) { cs += snprintf(&buf[cs], bsz - cs, "\n%*s", AUTOCOMP_INDENT, ""); |