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Added a --enable-debug option to configure and
[pspp]
/
src
/
str.c
diff --git
a/src/str.c
b/src/str.c
index 4bf2d60c67f1578629abe5cc56771b1d819b1b14..0a9d0d0f26d713fb64ce6de6b0e3f4cfa0a13377 100644
(file)
--- a/
src/str.c
+++ b/
src/str.c
@@
-331,7
+331,11
@@
ds_end (const struct string *st)
void
ds_concat (struct string *st, const char *s)
{
void
ds_concat (struct string *st, const char *s)
{
- size_t s_len = strlen (s);
+ size_t s_len;
+
+ if (!s) return;
+
+ s_len = strlen (s);
ds_extend (st, st->length + s_len);
strcpy (st->string + st->length, s);
st->length += s_len;
ds_extend (st, st->length + s_len);
strcpy (st->string + st->length, s);
st->length += s_len;