85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
// 7 april 2015
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#include <string.h>
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#include "uipriv_unix.h"
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static GPtrArray *allocations;
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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 initAlloc(void)
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{
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allocations = g_ptr_array_new();
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}
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static void uninitComplain(gpointer ptr, gpointer data)
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{
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char **str = (char **) data;
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char *str2;
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if (*str == NULL)
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*str = g_strdup_printf("");
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str2 = g_strdup_printf("%s%p %s\n", *str, ptr, *TYPE(ptr));
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g_free(*str);
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*str = str2;
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}
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void uninitAlloc(void)
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{
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char *str = NULL;
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if (allocations->len == 0) {
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g_ptr_array_free(allocations, TRUE);
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return;
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}
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g_ptr_array_foreach(allocations, uninitComplain, &str);
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uiprivUserBug("Some data was leaked; either you left a uiControl lying around or there's a bug in libui itself. Leaked data:\n%s", str);
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g_free(str);
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}
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void *uiprivAlloc(size_t size, const char *type)
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{
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void *out;
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out = g_malloc0(EXTRA + size);
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*SIZE(out) = size;
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*TYPE(out) = type;
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g_ptr_array_add(allocations, out);
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return DATA(out);
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}
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void *uiprivRealloc(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 uiprivAlloc(new, type);
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p = BASE(p);
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out = g_realloc(p, EXTRA + new);
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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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if (g_ptr_array_remove(allocations, p) == FALSE)
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uiprivImplBug("%p not found in allocations array in uiprivRealloc()", p);
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g_ptr_array_add(allocations, out);
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return DATA(out);
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}
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void uiprivFree(void *p)
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{
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if (p == NULL)
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uiprivImplBug("attempt to uiprivFree(NULL)");
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p = BASE(p);
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g_free(p);
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if (g_ptr_array_remove(allocations, p) == FALSE)
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uiprivImplBug("%p not found in allocations array in uiprivFree()", p);
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}
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