1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate * 26*0Sstevel@tonic-gate * alloc.c -- memory allocation wrapper functions, replacable in more 27*0Sstevel@tonic-gate * constrained environments, such as within a DE. 28*0Sstevel@tonic-gate */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <stdlib.h> 33*0Sstevel@tonic-gate #include <string.h> 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #include "alloc.h" 36*0Sstevel@tonic-gate #include "out.h" 37*0Sstevel@tonic-gate #include "stats.h" 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate static struct stats *Malloctotal; 40*0Sstevel@tonic-gate static struct stats *Malloccount; 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate void 43*0Sstevel@tonic-gate alloc_init(void) 44*0Sstevel@tonic-gate { 45*0Sstevel@tonic-gate Malloctotal = stats_new_counter("alloc.total", "bytes allocated", 1); 46*0Sstevel@tonic-gate Malloccount = stats_new_counter("alloc.calls", "total calls", 1); 47*0Sstevel@tonic-gate } 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate void 50*0Sstevel@tonic-gate alloc_fini(void) 51*0Sstevel@tonic-gate { 52*0Sstevel@tonic-gate struct stats *mt, *mc; 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate mt = Malloctotal; 55*0Sstevel@tonic-gate mc = Malloccount; 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate Malloctotal = NULL; 58*0Sstevel@tonic-gate Malloccount = NULL; 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate stats_delete(mt); 61*0Sstevel@tonic-gate stats_delete(mc); 62*0Sstevel@tonic-gate } 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate /* 65*0Sstevel@tonic-gate * alloc_malloc -- a malloc() with checks 66*0Sstevel@tonic-gate * 67*0Sstevel@tonic-gate * this routine is typically called via the MALLOC() macro in alloc.h 68*0Sstevel@tonic-gate */ 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate void * 71*0Sstevel@tonic-gate alloc_malloc(size_t nbytes, const char *fname, int line) 72*0Sstevel@tonic-gate { 73*0Sstevel@tonic-gate void *retval = malloc(nbytes); 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate if (retval == NULL) 76*0Sstevel@tonic-gate outfl(O_DIE, fname, line, "malloc: out of memory"); 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate if (Malloctotal) 79*0Sstevel@tonic-gate stats_counter_add(Malloctotal, nbytes); 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate if (Malloccount) 82*0Sstevel@tonic-gate stats_counter_bump(Malloccount); 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate return (retval); 85*0Sstevel@tonic-gate } 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate /* 88*0Sstevel@tonic-gate * alloc_realloc -- a realloc() with checks 89*0Sstevel@tonic-gate * 90*0Sstevel@tonic-gate * this routine is typically called via the REALLOC() macro in alloc.h 91*0Sstevel@tonic-gate */ 92*0Sstevel@tonic-gate void * 93*0Sstevel@tonic-gate alloc_realloc(void *ptr, size_t nbytes, const char *fname, int line) 94*0Sstevel@tonic-gate { 95*0Sstevel@tonic-gate void *retval = realloc(ptr, nbytes); 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate if (retval == NULL) 98*0Sstevel@tonic-gate out(O_DIE, fname, line, "realloc: out of memory"); 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate return (retval); 101*0Sstevel@tonic-gate } 102*0Sstevel@tonic-gate 103*0Sstevel@tonic-gate /* 104*0Sstevel@tonic-gate * alloc_strdup -- a strdup() with checks 105*0Sstevel@tonic-gate * 106*0Sstevel@tonic-gate * this routine is typically called via the STRDUP() macro in alloc.h 107*0Sstevel@tonic-gate */ 108*0Sstevel@tonic-gate char * 109*0Sstevel@tonic-gate alloc_strdup(const char *ptr, const char *fname, int line) 110*0Sstevel@tonic-gate { 111*0Sstevel@tonic-gate char *retval = strdup(ptr); 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate if (retval == NULL) 114*0Sstevel@tonic-gate outfl(O_DIE, fname, line, "strdup: out of memory"); 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate return (retval); 117*0Sstevel@tonic-gate } 118*0Sstevel@tonic-gate 119*0Sstevel@tonic-gate /* 120*0Sstevel@tonic-gate * alloc_free -- a free() with checks 121*0Sstevel@tonic-gate * 122*0Sstevel@tonic-gate * this routine is typically called via the FREE() macro in alloc.h 123*0Sstevel@tonic-gate */ 124*0Sstevel@tonic-gate /*ARGSUSED1*/ 125*0Sstevel@tonic-gate void 126*0Sstevel@tonic-gate alloc_free(void *ptr, const char *fname, int line) 127*0Sstevel@tonic-gate { 128*0Sstevel@tonic-gate /* nothing to check in this version */ 129*0Sstevel@tonic-gate free(ptr); 130*0Sstevel@tonic-gate } 131