In aplwc-repl, allocate a bit more (next power of 2) than requested.

FossilOrigin-Name: 50c75ed6184d943f18022d48371cf4137b3e973136906fb39d21b52449dd743d

1 files changed, 26 insertions, 3 deletions

diff --git a/src/bin/main.c b/src/bin/main.c
index 516fb51..02b3d0a 100644
--- a/src/bin/main.c
+++ b/src/bin/main.c
@@ -26,10 +26,33 @@
 static void *
 my_alloc(size_t min, size_t max, size_t *actual)
 {
-	UNUSED_PARAMETER(max);
+	size_t target = min;
+	void *p;
+
+	if(target == 0)
+		target = 1;
+	else{
+		target--;
+		target |= target >> 1;
+		target |= target >> 2;
+		target |= target >> 4;
+		target |= target >> 8;
+		target |= target >> 16;
+		target |= target >> 32;
+		target++;
+	}
+
+	if(max && (target > max))
+		target = max;
+
+	p = malloc(target);
+	if((p == NULL) && (min < target)){
+		target = min;
+		p = malloc(target);
+	}
 
-	*actual = min;
-	return malloc(min);
+	*actual = target;
+	return p;
 }
 
 static void