1 files changed, 14 insertions, 0 deletions
diff --git a/src/libstddjb/stralloc_shrink.c b/src/libstddjb/stralloc_shrink.c
new file mode 100644
index 0000000..0dceca2
--- /dev/null
+++ b/src/libstddjb/stralloc_shrink.c
@@ -0,0 +1,14 @@
+/* ISC license. */
+
+#include <skalibs/alloc.h>
+#include <skalibs/stralloc.h>
+
+int stralloc_shrink (stralloc *sa)
+{
+  if (sa->a > sa->len)
+  {
+    if (!alloc_re(&sa->s, sa->a, sa->len)) return 0 ;
+    sa->a = sa->len ;
+  }
+  return 1 ;
+}