83 lines
1.7 KiB
C++
83 lines
1.7 KiB
C++
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// 4 december 2014
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#include <set>
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#include <cstdio>
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#include <cstdlib>
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#include "uipriv_haiku.hpp"
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using namepsace std;
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static set<void *> allocations;
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void initAlloc(void)
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{
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}
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#define UINT8(p) ((uint8_t *) (p))
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#define PVOID(p) ((void *) (p))
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#define EXTRA (sizeof (size_t) + sizeof (const char **))
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#define DATA(p) PVOID(UINT8(p) + EXTRA)
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#define BASE(p) PVOID(UINT8(p) - EXTRA)
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#define SIZE(p) ((size_t *) (p))
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#define CCHAR(p) ((const char **) (p))
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#define TYPE(p) CCHAR(UINT8(p) + sizeof (size_t))
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void uninitAlloc(void)
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{
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set<void *>::const_iterator i;
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if (allocations.size() == 0)
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return;
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fprintf(stderr, "[libui] leaked allocations:\n");
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for (i = allocations.begin(); i != allocations.end(); i++)
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fprintf(stderr, "[libui] %p %s\n", *i, *TYPE(*i));
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complain("either you left something around or there's a bug in libui");
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}
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void *uiAlloc(size_t size, const char *type)
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{
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void *out;
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out = malloc(EXTRA + size);
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if (out == NULL) {
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fprintf(stderr, "memory exhausted in uiAlloc()\n");
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abort();
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}
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memset(DATA(out), 0, size);
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*SIZE(out) = size;
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*TYPE(out) = type;
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allocations.insert(out);
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return DATA(out);
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}
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void *uiRealloc(void *p, size_t new, const char *type)
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{
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void *out;
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size_t *s;
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if (p == NULL)
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return uiAlloc(new, type);
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p = BASE(p);
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out = realloc(p, EXTRA + new);
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if (out == NULL) {
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fprintf(stderr, "memory exhausted in uiRealloc()\n");
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abort();
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}
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s = SIZE(out);
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if (new <= *s)
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memset(((uint8_t *) DATA(out)) + *s, 0, new - *s);
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*s = new;
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// TODO check this
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allocations.erase(p);
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allocations.insert(out);
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return DATA(out);
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}
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void uiFree(void *p)
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{
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if (p == NULL)
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complain("attempt to uiFree(NULL); there's a bug somewhere");
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p = BASE(p);
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free(p);
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// TODO check this
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allocations.erase(p);
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}
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