LCOV - code coverage report
Current view: top level - pulsecore - dynarray.c (source / functions) Hit Total Coverage
Test: lcov.out Lines: 0 40 0.0 %
Date: 2012-07-17 Functions: 0 6 0.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 26 0.0 %

           Branch data     Line data    Source code
       1                 :            : /***
       2                 :            :   This file is part of PulseAudio.
       3                 :            : 
       4                 :            :   Copyright 2004-2008 Lennart Poettering
       5                 :            : 
       6                 :            :   PulseAudio is free software; you can redistribute it and/or modify
       7                 :            :   it under the terms of the GNU Lesser General Public License as
       8                 :            :   published by the Free Software Foundation; either version 2.1 of the
       9                 :            :   License, or (at your option) any later version.
      10                 :            : 
      11                 :            :   PulseAudio is distributed in the hope that it will be useful, but
      12                 :            :   WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
      14                 :            :   Lesser General Public License for more details.
      15                 :            : 
      16                 :            :   You should have received a copy of the GNU Lesser General Public
      17                 :            :   License along with PulseAudio; if not, write to the Free Software
      18                 :            :   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
      19                 :            :   USA.
      20                 :            : ***/
      21                 :            : 
      22                 :            : #ifdef HAVE_CONFIG_H
      23                 :            : #include <config.h>
      24                 :            : #endif
      25                 :            : 
      26                 :            : #include <string.h>
      27                 :            : #include <stdlib.h>
      28                 :            : 
      29                 :            : #include <pulse/xmalloc.h>
      30                 :            : #include <pulsecore/macro.h>
      31                 :            : 
      32                 :            : #include "dynarray.h"
      33                 :            : 
      34                 :            : /* If the array becomes to small, increase its size by 25 entries */
      35                 :            : #define INCREASE_BY 25
      36                 :            : 
      37                 :            : struct pa_dynarray {
      38                 :            :     void **data;
      39                 :            :     unsigned n_allocated, n_entries;
      40                 :            : };
      41                 :            : 
      42                 :          0 : pa_dynarray* pa_dynarray_new(void) {
      43                 :            :     pa_dynarray *a;
      44                 :            : 
      45                 :          0 :     a = pa_xnew(pa_dynarray, 1);
      46                 :          0 :     a->data = NULL;
      47                 :          0 :     a->n_entries = 0;
      48                 :          0 :     a->n_allocated = 0;
      49                 :            : 
      50                 :          0 :     return a;
      51                 :            : }
      52                 :            : 
      53                 :          0 : void pa_dynarray_free(pa_dynarray *a, pa_free_cb_t free_func) {
      54                 :            :     unsigned i;
      55         [ #  # ]:          0 :     pa_assert(a);
      56                 :            : 
      57         [ #  # ]:          0 :     if (free_func)
      58         [ #  # ]:          0 :         for (i = 0; i < a->n_entries; i++)
      59         [ #  # ]:          0 :             if (a->data[i])
      60                 :          0 :                 free_func(a->data[i]);
      61                 :            : 
      62                 :          0 :     pa_xfree(a->data);
      63                 :          0 :     pa_xfree(a);
      64                 :          0 : }
      65                 :            : 
      66                 :          0 : void pa_dynarray_put(pa_dynarray*a, unsigned i, void *p) {
      67         [ #  # ]:          0 :     pa_assert(a);
      68                 :            : 
      69         [ #  # ]:          0 :     if (i >= a->n_allocated) {
      70                 :            :         unsigned n;
      71                 :            : 
      72         [ #  # ]:          0 :         if (!p)
      73                 :          0 :             return;
      74                 :            : 
      75                 :          0 :         n = i+INCREASE_BY;
      76                 :          0 :         a->data = pa_xrealloc(a->data, sizeof(void*)*n);
      77                 :          0 :         memset(a->data+a->n_allocated, 0, sizeof(void*)*(n-a->n_allocated));
      78                 :          0 :         a->n_allocated = n;
      79                 :            :     }
      80                 :            : 
      81                 :          0 :     a->data[i] = p;
      82                 :            : 
      83         [ #  # ]:          0 :     if (i >= a->n_entries)
      84                 :          0 :         a->n_entries = i+1;
      85                 :            : }
      86                 :            : 
      87                 :          0 : unsigned pa_dynarray_append(pa_dynarray*a, void *p) {
      88                 :            :     unsigned i;
      89                 :            : 
      90         [ #  # ]:          0 :     pa_assert(a);
      91                 :            : 
      92                 :          0 :     i = a->n_entries;
      93                 :          0 :     pa_dynarray_put(a, i, p);
      94                 :            : 
      95                 :          0 :     return i;
      96                 :            : }
      97                 :            : 
      98                 :          0 : void *pa_dynarray_get(pa_dynarray*a, unsigned i) {
      99         [ #  # ]:          0 :     pa_assert(a);
     100                 :            : 
     101         [ #  # ]:          0 :     if (i >= a->n_entries)
     102                 :            :         return NULL;
     103                 :            : 
     104         [ #  # ]:          0 :     pa_assert(a->data);
     105                 :          0 :     return a->data[i];
     106                 :            : }
     107                 :            : 
     108                 :          0 : unsigned pa_dynarray_size(pa_dynarray*a) {
     109         [ #  # ]:          0 :     pa_assert(a);
     110                 :            : 
     111                 :          0 :     return a->n_entries;
     112                 :            : }

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