more function attribute updates

2024-11-22 19:40:24 +00:00
parent 626c55b122
commit 4b84fba68b
4 changed files with 136 additions and 48 deletions
--- a/buffer/buffer_fromarray.c
+++ b/buffer/buffer_fromarray.c
@@ -1,9 +1,16 @@
+#include <errno.h>
 #include "array.h"
 #include "buffer.h"

+static ssize_t fail() {
+  errno=EINVAL;
+  return -1;
+}
+
 void buffer_fromarray(buffer* b,array* a) {
-  if (array_failed(a))
-    buffer_frombuf(b,NULL,0);
-  else
+  if (array_failed(a)) {
+    memset(b,0,sizeof *b);
+    b->op=fail;
+  } else
    buffer_frombuf(b,array_start(a),a->initialized);
 }