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92 lines
1.5 KiB
92 lines
1.5 KiB
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#include "common.h"
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#include "types.h"
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#include "memory.h"
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void *hccalloc (const size_t nmemb, const size_t sz)
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{
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void *p = calloc (nmemb, sz);
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if (p == NULL)
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{
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fprintf (stderr, "%s\n", MSG_ENOMEM);
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return (NULL);
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}
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return (p);
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}
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void *hcmalloc (const size_t sz)
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{
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//calloc is faster than malloc with big allocations, so just use that.
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void *p = hccalloc (sz, 1);
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return (p);
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}
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void *hcrealloc (void *ptr, const size_t oldsz, const size_t addsz)
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{
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void *p = realloc (ptr, oldsz + addsz);
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if (p == NULL)
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{
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fprintf (stderr, "%s\n", MSG_ENOMEM);
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return (NULL);
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}
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memset ((char *) p + oldsz, 0, addsz);
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return (p);
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}
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char *hcstrdup (const char *s)
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{
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const size_t len = strlen (s);
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char *b = (char *) hcmalloc (len + 1);
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if (b == NULL) return (NULL);
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memcpy (b, s, len);
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b[len] = 0;
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return (b);
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}
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void hcfree (void *ptr)
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{
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if (ptr == NULL) return;
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free (ptr);
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}
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void *hcmalloc_aligned (const size_t sz, const int align)
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{
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// store the original allocated address so we can later use it to free the memory
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// this is convenient to use because we don't need to store two memory addresses
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const int align1 = align - 1;
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void *ptr1 = hcmalloc (sz + sizeof (void *) + align1);
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void *ptr2 = (void **) ((uintptr_t) (ptr1 + sizeof (void *) + align1) & ~align1);
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((void **) ptr2)[-1] = ptr1;
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return ptr2;
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}
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void hcfree_aligned (void *ptr)
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{
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if (ptr == NULL) return;
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free (((void **) ptr)[-1]);
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}
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