snac2

commit 291331c74557786cf5ef5b62a647048131f1394c
parent ac8790c3cd1dae815e276de000a5b31a437be7e8
Author: default <nobody@localhost>
Date:   Sat, 23 Sep 2023 18:46:24 +0200

Backport from xs.

Diffstat:
M
xs.h
 | 
11
++++++-----
M
xs_version.h
 | 
2
+-

2 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/xs.h b/xs.h
@@ -849,17 +849,18 @@ xs_str *xs_join(const xs_list *list, const char *sep)
             int sz;
 
             /* add the separator */
-            if (c != 0) {
+            if (c != 0 && ssz) {
                 s = xs_realloc(s, offset + ssz);
                 memcpy(s + offset, sep, ssz);
                 offset += ssz;
             }
 
             /* add the element */
-            sz = strlen(v);
-            s = xs_realloc(s, offset + sz);
-            memcpy(s + offset, v, sz);
-            offset += sz;
+            if ((sz = strlen(v)) > 0) {
+                s = xs_realloc(s, offset + sz);
+                memcpy(s + offset, v, sz);
+                offset += sz;
+            }
 
             c++;
         }
diff --git a/xs_version.h b/xs_version.h
@@ -1 +1 @@
-/* 263e97c8ac21ff8524e3c890fe4310c696d01056 */
+/* 89589de72ce632da77b0ac4b9d56d3902946b5eb */