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// 4 december 2014
#import <stdlib.h>
#import "uipriv_darwin.h"
static NSMutableArray *allocations;
NSMutableArray *delegates;
void initAlloc(void)
{
allocations = [NSMutableArray new];
delegates = [NSMutableArray new];
}
#define UINT8(p) ((uint8_t *) (p))
#define PVOID(p) ((void *) (p))
#define EXTRA (sizeof (size_t) + sizeof (const char **))
#define DATA(p) PVOID(UINT8(p) + EXTRA)
#define BASE(p) PVOID(UINT8(p) - EXTRA)
#define SIZE(p) ((size_t *) (p))
#define CCHAR(p) ((const char **) (p))
#define TYPE(p) CCHAR(UINT8(p) + sizeof (size_t))
void uninitAlloc(void)
{
NSMutableString *str;
NSValue *v;
[delegates release];
if ([allocations count] == 0) {
[allocations release];
return;
}
str = [NSMutableString new];
for (v in allocations) {
void *ptr;
ptr = [v pointerValue];
[str appendString:[NSString stringWithFormat:@"%p %s\n", ptr, *TYPE(ptr)]];
}
userbug("Some data was leaked; either you left a uiControl lying around or there's a bug in libui itself. Leaked data:\n%s", [str UTF8String]);
[str release];
}
void *uiAlloc(size_t size, const char *type)
{
void *out;
out = malloc(EXTRA + size);
if (out == NULL) {
fprintf(stderr, "memory exhausted in uiAlloc()\n");
abort();
}
memset(DATA(out), 0, size);
*SIZE(out) = size;
*TYPE(out) = type;
[allocations addObject:[NSValue valueWithPointer:out]];
return DATA(out);
}
void *uiRealloc(void *p, size_t new, const char *type)
{
void *out;
size_t *s;
if (p == NULL)
return uiAlloc(new, type);
p = BASE(p);
out = realloc(p, EXTRA + new);
if (out == NULL) {
fprintf(stderr, "memory exhausted in uiRealloc()\n");
abort();
}
s = SIZE(out);
if (new <= *s)
memset(((uint8_t *) DATA(out)) + *s, 0, new - *s);
*s = new;
[allocations removeObject:[NSValue valueWithPointer:p]];
[allocations addObject:[NSValue valueWithPointer:out]];
return DATA(out);
}
void uiFree(void *p)
{
if (p == NULL)
implbug("attempt to uiFree(NULL)");
p = BASE(p);
free(p);
[allocations removeObject:[NSValue valueWithPointer:p]];
}
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