syncfiles/lib/toolbox.c
Dietrich Epp c4bf86786e Reorganize
- Extracted functions to //lib:test for writing tests

- Extracted functions to lib/util.h if they are useful outside tests
2022-03-30 03:46:19 -04:00

62 lines
1.0 KiB
C

/* toolbox.c - replacement functions for Mac OS toolbox functions
This is used to run conversion tests on non-Mac OS systems to make
development easier. These are not intended to make it possible to port the
converter to non-Mac OS systems. */
#include "lib/defs.h"
#include "lib/util.h"
#include <stdlib.h>
#include <string.h>
Handle NewHandle(Size byteCount)
{
Ptr p;
Handle h;
if (byteCount < 0) {
Fatalf("NewHandle: byteCount = %ld", byteCount);
}
p = malloc(byteCount);
if (byteCount > 0 && p == NULL) {
return NULL;
}
h = malloc(sizeof(Ptr));
if (h == NULL) {
free(p);
return NULL;
}
*h = p;
return h;
}
void DisposeHandle(Handle h)
{
if (h != NULL) {
free(*h);
free(h);
}
}
Boolean ResizeHandle(Handle h, Size newSize)
{
Ptr p;
if (h == NULL) {
Fatalf("ResizeHandle: h = NULL");
}
if (newSize < 0) {
Fatalf("ResizeHandle: newSize = %ld", newSize);
}
p = realloc(*h, newSize);
if (newSize > 0 && p == NULL) {
return false;
}
*h = p;
return true;
}
void MemClear(void *ptr, Size size)
{
memset(ptr, 0, size);
}