1 #ifndef foomemoryhfoo 2 #define foomemoryhfoo 3 4 /* $Id: xmalloc.h 1971 2007-10-28 19:13:50Z lennart $ */ 5 6 /*** 7 This file is part of PulseAudio. 8 9 Copyright 2004-2006 Lennart Poettering 10 11 PulseAudio is free software; you can redistribute it and/or modify 12 it under the terms of the GNU Lesser General Public License as published 13 by the Free Software Foundation; either version 2 of the License, 14 or (at your option) any later version. 15 16 PulseAudio is distributed in the hope that it will be useful, but 17 WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 General Public License for more details. 20 21 You should have received a copy of the GNU Lesser General Public License 22 along with PulseAudio; if not, write to the Free Software 23 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 24 USA. 25 ***/ 26 27 #include <sys/types.h> 28 #include <stdlib.h> 29 #include <limits.h> 30 #include <assert.h> 31 #include <pulse/cdecl.h> 32 33 /** \file 34 * Memory allocation functions. 35 */ 36 37 PA_C_DECL_BEGIN 38 39 /** Allocate the specified number of bytes, just like malloc() does. However, in case of OOM, terminate */ 40 void* pa_xmalloc(size_t l); 41 42 /** Same as pa_xmalloc(), but initialize allocated memory to 0 */ 43 void *pa_xmalloc0(size_t l); 44 45 /** The combination of pa_xmalloc() and realloc() */ 46 void *pa_xrealloc(void *ptr, size_t size); 47 48 /** Free allocated memory */ 49 void pa_xfree(void *p); 50 51 /** Duplicate the specified string, allocating memory with pa_xmalloc() */ 52 char *pa_xstrdup(const char *s); 53 54 /** Duplicate the specified string, but truncate after l characters */ 55 char *pa_xstrndup(const char *s, size_t l); 56 57 /** Duplicate the specified memory block */ 58 void* pa_xmemdup(const void *p, size_t l); 59 60 /** Internal helper for pa_xnew() */ 61 static inline void* pa_xnew_internal(unsigned n, size_t k) { 62 assert(n < INT_MAX/k); 63 return pa_xmalloc(n*k); 64 } 65 66 /** Allocate n new structures of the specified type. */ 67 #define pa_xnew(type, n) ((type*) pa_xnew_internal((n), sizeof(type))) 68 69 /** Internal helper for pa_xnew0() */ 70 static inline void* pa_xnew0_internal(unsigned n, size_t k) { 71 assert(n < INT_MAX/k); 72 return pa_xmalloc0(n*k); 73 } 74 75 /** Same as pa_xnew() but set the memory to zero */ 76 #define pa_xnew0(type, n) ((type*) pa_xnew0_internal((n), sizeof(type))) 77 78 /** Internal helper for pa_xnew0() */ 79 static inline void* pa_xnewdup_internal(const void *p, unsigned n, size_t k) { 80 assert(n < INT_MAX/k); 81 return pa_xmemdup(p, n*k); 82 } 83 84 /** Same as pa_xnew() but set the memory to zero */ 85 #define pa_xnewdup(type, p, n) ((type*) pa_xnewdup_internal((p), (n), sizeof(type))) 86 87 PA_C_DECL_END 88 89 #endif 90
