LCOV - code coverage report
Current view: top level - pulse - xmalloc.h (source / functions) Hit Total Coverage
Test: lcov.out Lines: 6 8 75.0 %
Date: 2012-07-17 Functions: 2 2 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 2 8 25.0 %

           Branch data     Line data    Source code
       1                 :            : #ifndef foomemoryhfoo
       2                 :            : #define foomemoryhfoo
       3                 :            : 
       4                 :            : /***
       5                 :            :   This file is part of PulseAudio.
       6                 :            : 
       7                 :            :   Copyright 2004-2006 Lennart Poettering
       8                 :            : 
       9                 :            :   PulseAudio is free software; you can redistribute it and/or modify
      10                 :            :   it under the terms of the GNU Lesser General Public License as published
      11                 :            :   by the Free Software Foundation; either version 2.1 of the License,
      12                 :            :   or (at your option) any later version.
      13                 :            : 
      14                 :            :   PulseAudio is distributed in the hope that it will be useful, but
      15                 :            :   WITHOUT ANY WARRANTY; without even the implied warranty of
      16                 :            :   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
      17                 :            :   General Public License for more details.
      18                 :            : 
      19                 :            :   You should have received a copy of the GNU Lesser General Public License
      20                 :            :   along with PulseAudio; if not, write to the Free Software
      21                 :            :   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
      22                 :            :   USA.
      23                 :            : ***/
      24                 :            : 
      25                 :            : #include <sys/types.h>
      26                 :            : #include <stdlib.h>
      27                 :            : #include <limits.h>
      28                 :            : #include <assert.h>
      29                 :            : 
      30                 :            : #include <pulse/cdecl.h>
      31                 :            : #include <pulse/gccmacro.h>
      32                 :            : #include <pulse/version.h>
      33                 :            : 
      34                 :            : /** \file
      35                 :            :  * Memory allocation functions.
      36                 :            :  */
      37                 :            : 
      38                 :            : PA_C_DECL_BEGIN
      39                 :            : 
      40                 :            : /** Allocate the specified number of bytes, just like malloc() does. However, in case of OOM, terminate */
      41                 :            : void* pa_xmalloc(size_t l) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(1);
      42                 :            : 
      43                 :            : /** Same as pa_xmalloc(), but initialize allocated memory to 0 */
      44                 :            : void *pa_xmalloc0(size_t l) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(1);
      45                 :            : 
      46                 :            : /**  The combination of pa_xmalloc() and realloc() */
      47                 :            : void *pa_xrealloc(void *ptr, size_t size) PA_GCC_ALLOC_SIZE(2);
      48                 :            : 
      49                 :            : /** Free allocated memory */
      50                 :            : void pa_xfree(void *p);
      51                 :            : 
      52                 :            : /** Duplicate the specified string, allocating memory with pa_xmalloc() */
      53                 :            : char *pa_xstrdup(const char *s) PA_GCC_MALLOC;
      54                 :            : 
      55                 :            : /** Duplicate the specified string, but truncate after l characters */
      56                 :            : char *pa_xstrndup(const char *s, size_t l) PA_GCC_MALLOC;
      57                 :            : 
      58                 :            : /** Duplicate the specified memory block */
      59                 :            : void* pa_xmemdup(const void *p, size_t l) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(2);
      60                 :            : 
      61                 :            : /** Internal helper for pa_xnew() */
      62                 :            : static void* _pa_xnew_internal(size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(1,2);
      63                 :            : 
      64                 :       1172 : static inline void* _pa_xnew_internal(size_t n, size_t k) {
      65 [ -  + ][ #  # ]:       1172 :     assert(n < INT_MAX/k);
      66                 :       1243 :     return pa_xmalloc(n*k);
      67                 :            : }
      68                 :            : 
      69                 :            : /** Allocate n new structures of the specified type. */
      70                 :            : #define pa_xnew(type, n) ((type*) _pa_xnew_internal((n), sizeof(type)))
      71                 :            : 
      72                 :            : /** Internal helper for pa_xnew0() */
      73                 :            : static void* _pa_xnew0_internal(size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(1,2);
      74                 :            : 
      75                 :      50036 : static inline void* _pa_xnew0_internal(size_t n, size_t k) {
      76         [ -  + ]:      50036 :     assert(n < INT_MAX/k);
      77                 :      50383 :     return pa_xmalloc0(n*k);
      78                 :            : }
      79                 :            : 
      80                 :            : /** Same as pa_xnew() but set the memory to zero */
      81                 :            : #define pa_xnew0(type, n) ((type*) _pa_xnew0_internal((n), sizeof(type)))
      82                 :            : 
      83                 :            : /** Internal helper for pa_xnew0() */
      84                 :            : static void* _pa_xnewdup_internal(const void *p, size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(2,3);
      85                 :            : 
      86                 :            : static inline void* _pa_xnewdup_internal(const void *p, size_t n, size_t k) {
      87                 :            :     assert(n < INT_MAX/k);
      88                 :            :     return pa_xmemdup(p, n*k);
      89                 :            : }
      90                 :            : 
      91                 :            : /** Same as pa_xnew() but duplicate the specified data */
      92                 :            : #define pa_xnewdup(type, p, n) ((type*) _pa_xnewdup_internal((p), (n), sizeof(type)))
      93                 :            : 
      94                 :            : /** Internal helper for pa_xrenew() */
      95                 :            : static void* _pa_xrenew_internal(void *p, size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(2,3);
      96                 :            : 
      97                 :            : static inline void* _pa_xrenew_internal(void *p, size_t n, size_t k) {
      98         [ #  # ]:          0 :     assert(n < INT_MAX/k);
      99                 :          0 :     return pa_xrealloc(p, n*k);
     100                 :            : }
     101                 :            : 
     102                 :            : /** Reallocate n new structures of the specified type. */
     103                 :            : #define pa_xrenew(type, p, n) ((type*) _pa_xrenew_internal(p, (n), sizeof(type)))
     104                 :            : 
     105                 :            : PA_C_DECL_END
     106                 :            : 
     107                 :            : #endif

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