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src/core/ngx_array.h - nginx-1.7.10

Data types defined

Functions defined

Macros defined

Source code


  2. /*
  3. * Copyright (C) Igor Sysoev
  4. * Copyright (C) Nginx, Inc.
  5. */


  8. #ifndef _NGX_ARRAY_H_INCLUDED_
  9. ‌#define _NGX_ARRAY_H_INCLUDED_


  12. #include <ngx_config.h>
  13. #include <ngx_core.h>


  16. typedef struct {
  17.     void        *elts;
  18.     ngx_uint_t   nelts;
  19.     size_t       size;
  20.     ngx_uint_t   nalloc;
  21.     ngx_pool_t  *pool;
  22. ‌} ngx_array_t;


  25. ngx_array_t *ngx_array_create(ngx_pool_t *p, ngx_uint_t n, size_t size);
  26. void ngx_array_destroy(ngx_array_t *a);
  27. void *ngx_array_push(ngx_array_t *a);
  28. void *ngx_array_push_n(ngx_array_t *a, ngx_uint_t n);


  31. static ngx_inline ngx_int_t
  32. ‌ngx_array_init(ngx_array_t *array, ngx_pool_t *pool, ngx_uint_t n, size_t size)
  33. {
  34.     /*
  35.      * set "array->nelts" before "array->elts", otherwise MSVC thinks
  36.      * that "array->nelts" may be used without having been initialized
  37.      */

  39.     array->nelts = 0;
  40.     array->size = size;
  41.     array->nalloc = n;
  42.     array->pool = pool;

  44.     array->elts = ngx_palloc(pool, n * size);
  45.     if (array->elts == NULL) {
  46.         return NGX_ERROR;
  47.     }

  49.     return NGX_OK;
  50. }


  53. #endif /* _NGX_ARRAY_H_INCLUDED_ */

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