kc3-lang/kc3/libc3/ptr.c

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• Hash : df9634eb
  Author : Thomas de Grivel
  Date : 2023-12-14T01:13:47
  

  wip struct

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• libc3/ptr.c

• /* c3
   * Copyright 2022,2023 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software granted the above
   * copyright notice and this permission paragraph are included in all
   * copies and substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  #include <assert.h>
  #include <err.h>
  #include <stdlib.h>
  #include "ptr.h"
  
  void ptr_delete (u_ptr_w *ptr)
  {
    assert(ptr);
    free(ptr);
  }
  
  u_ptr_w * ptr_init (u_ptr_w *ptr, void *p)
  {
    u_ptr_w tmp = {0};
    assert(ptr);
    tmp.p = p;
    *ptr = tmp;
    return ptr;
  }
  
  u_ptr_w * ptr_init_copy (u_ptr_w *ptr, const u_ptr_w *src)
  {
    u_ptr_w tmp = {0};
    assert(ptr);
    assert(src);
    tmp.p = src->p;
    *ptr = tmp;
    return ptr;
  }
  
  u_ptr_w * ptr_new (void *p)
  {
    u_ptr_w *ptr;
    ptr = calloc(1, sizeof(u_ptr_w));
    if (! ptr) {
      warn("ptr_new: ptr");
      return NULL;
    }
    if (! ptr_init(ptr, p)) {
      free(ptr);
      return NULL;
    }
    return ptr;
  }
  
  u_ptr_w * ptr_new_copy (const u_ptr_w *src)
  {
    u_ptr_w *ptr;
    assert(src);
    ptr = calloc(1, sizeof(u_ptr_w));
    if (! ptr) {
      warn("ptr_new: ptr");
      return NULL;
    }
    if (! ptr_init_copy(ptr, src)) {
      free(ptr);
      return NULL;
    }
    return ptr;
  }
  

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