shithub: asif

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varray: maybe avoid exponential memory usage eh, how's that sound

--- a/varray.c

+++ b/varray.c

@@ -3,7 +3,7 @@

 #include "asif.h"

 enum{

-	VAdefsize = 1024,

+	VAinc = 2048,

 };

 void

@@ -32,9 +32,9 @@

 	assert(v != nil && u != nil);

 	off = v->n * v->elsize;

 	if(v->n++ >= v->vsize){

-		v->p = erealloc(v->p, v->bufsize * 2, v->bufsize);

-		v->bufsize *= 2;

-		v->vsize *= 2;

+		v->p = erealloc(v->p, v->bufsize + VAinc * v->elsize, v->bufsize);

+		v->bufsize += VAinc * v->elsize;

+		v->vsize += VAinc;

 	}

 	memcpy((char*)v->p+off, u, v->elsize);

 }

@@ -48,8 +48,8 @@

 	v->n = 0;

 	v->elsize = elsize;

 	if(n <= 0)

-		n = VAdefsize;

-	v->vsize = MIN(n, VAdefsize);

+		n = VAinc;

+	v->vsize = MIN(n, VAinc);

 	v->bufsize = v->vsize * elsize;

 	v->p = emalloc(v->bufsize);

 	return v;