114 lines
2.4 KiB
C
114 lines
2.4 KiB
C
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/* @(#)jmem.c 1.13 15/05/10 Copyright 1998-2015 J. Schilling */
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#include <schily/mconfig.h>
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#ifndef lint
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static UConst char sccsid[] =
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"@(#)jmem.c 1.13 15/05/10 Copyright 1998-2015 J. Schilling";
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#endif
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/*
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* Memory handling with error checking
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*
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* Copyright (c) 1998-2015 J. Schilling
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*/
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/*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* See the file CDDL.Schily.txt in this distribution for details.
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* A copy of the CDDL is also available via the Internet at
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* http://www.opensource.org/licenses/cddl1.txt
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file CDDL.Schily.txt from this distribution.
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*/
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#include <schily/stdio.h>
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#include <schily/stdlib.h>
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#include <schily/unistd.h>
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#include <schily/string.h>
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#include <schily/standard.h>
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#include <schily/jmpdefs.h>
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#include <schily/schily.h>
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#include <schily/nlsdefs.h>
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EXPORT int __jmexval __PR((int exval));
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EXPORT void *__jmalloc __PR((size_t size, char *msg, sigjmps_t *jmp));
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EXPORT void *__jrealloc __PR((void *ptr, size_t size, char *msg, sigjmps_t *jmp));
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EXPORT char *__jsavestr __PR((const char *s, sigjmps_t *jmp));
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LOCAL int jmexval;
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EXPORT int
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__jmexval(exval)
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int exval;
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{
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int ret = jmexval;
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jmexval = exval;
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return (ret);
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}
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EXPORT void *
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__jmalloc(size, msg, jmp)
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size_t size;
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char *msg;
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sigjmps_t *jmp;
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{
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void *ret;
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ret = malloc(size);
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if (ret == NULL) {
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int err = geterrno();
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errmsg(gettext("Cannot allocate memory for %s.\n"), msg);
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if (jmexval)
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err = jmexval;
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if (jmp == JM_EXIT)
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comexit(err);
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if (jmp != NULL)
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siglongjmp(jmp->jb, 1);
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}
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return (ret);
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}
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EXPORT void *
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__jrealloc(ptr, size, msg, jmp)
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void *ptr;
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size_t size;
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char *msg;
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sigjmps_t *jmp;
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{
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void *ret;
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if (ptr == NULL)
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ret = malloc(size);
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else
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ret = realloc(ptr, size);
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if (ret == NULL) {
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int err = geterrno();
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errmsg(gettext("Cannot realloc memory for %s.\n"), msg);
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if (jmexval)
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err = jmexval;
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if (jmp == JM_EXIT)
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comexit(err);
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if (jmp != NULL)
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siglongjmp(jmp->jb, 1);
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}
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return (ret);
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}
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EXPORT char *
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__jsavestr(s, jmp)
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const char *s;
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sigjmps_t *jmp;
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{
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char *ret = __jmalloc(strlen(s)+1, "saved string", jmp);
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if (ret != NULL)
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strcpy(ret, s);
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return (ret);
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}
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