rtbuf/rtbuf/librtbuf/rtbuf_var.c

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• Hash : 31260c68
  Author : Thomas de Grivel
  Date : 2023-01-15T23:16:20
  

  updated configure from c3
  

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• librtbuf/rtbuf_var.c

• /* rtbuf
   * Copyright 2018-2023 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software excepted
   * on Apple computers 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 <stdio.h>
  #include "data.h"
  #include "var.h"
  #include "rtbuf.h"
  
  s_data_type  g_rtbuf_var_type = {
    sizeof(s_rtbuf_var),
    DATA_TYPE_BYTES
  };
  s_data_alloc g_rtbuf_var_alloc;
  s_rtbuf_var *g_rtbuf_var;
  
  void rtbuf_var_init (void)
  {
    data_alloc_init(&g_rtbuf_var_alloc, &g_rtbuf_var_type, RTBUF_VAR_MAX, NULL, NULL);
    g_rtbuf_var = g_rtbuf_var_alloc.mem;
    assert(g_rtbuf_var);
  }
  
  void rtbuf_var_shutdown (void)
  {
    if (g_rtbuf_var) {
      rtbuf_var_delete_all();
      g_rtbuf_var = 0;
      data_alloc_clean(&g_rtbuf_var_alloc);
    }
  }
  
  s_rtbuf_var * rtbuf_var_new (const char *name)
  {
    s_rtbuf_var *var = data_new(&g_rtbuf_var_alloc);
    if (var)
      var->name = symbol_intern(name);
    return var;
  }
  
  void rtbuf_var_delete (s_rtbuf_var *var)
  {
    data_delete(&g_rtbuf_var_alloc, var);
  }
  
  void rtbuf_var_delete_all ()
  {
    unsigned i = 0;
    int n = g_rtbuf_var_alloc.n;
    while (i < g_rtbuf_var_alloc.max) {
      if (g_rtbuf_var[i].name) {
        rtbuf_var_delete(g_rtbuf_var + i);
        n--;
      }
      i++;
    }
  }
  
  s_rtbuf_var * rtbuf_var_find (const char *name)
  {
    s_rtbuf_var *v = g_rtbuf_var + g_rtbuf_var_alloc.n;
    unsigned i = g_rtbuf_var_alloc.n;
    const char *sym = symbol_find(name);
    if (sym)
      while (v--, i--) {
        assert(v >= g_rtbuf_var);
        if (v->name == sym)
          return v;
      }
    return NULL;
  }
  
  s_rtbuf_var * rtbuf_var_rtbuf_set (const char *name, unsigned i)
  {
    s_rtbuf_var *v = rtbuf_var_find(name);
    if (!v)
      v = rtbuf_var_new(name);
    if (v) {
      v->type = RTBUF_VAR_RTBUF;
      v->index = i;
    }
    return v;
  }
  
  void rtbuf_var_print (const s_rtbuf_var *v)
  {
    if (v) {
      printf("%s = ", v->name);
      switch (v->type) {
      case RTBUF_VAR_NULL:
        printf("NULL");
        fflush(stdout);
        break;
      case RTBUF_VAR_RTBUF:
        rtbuf_print_long(g_rtbuf + v->index);
        break;
      default:
        assert(0);
      }
    }
  }
  

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