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Diffstat (limited to 'share/zoneinfo/ialloc.c')
-rw-r--r-- | share/zoneinfo/ialloc.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/share/zoneinfo/ialloc.c b/share/zoneinfo/ialloc.c new file mode 100644 index 0000000..118a97b --- /dev/null +++ b/share/zoneinfo/ialloc.c @@ -0,0 +1,140 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Arthur David Olson of the National Cancer Institute. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)ialloc.c 8.1 (Berkeley) 6/8/93"; +#endif /* not lint */ + +#ifdef notdef +static char elsieid[] = "@(#)ialloc.c 8.18"; +#endif + +/*LINTLIBRARY*/ + +#include <string.h> +#include <stdlib.h> + +#ifdef MAL +#define NULLMAL(x) ((x) == NULL || (x) == MAL) +#else /* !defined MAL */ +#define NULLMAL(x) ((x) == NULL) +#endif /* !defined MAL */ + +#define nonzero(n) (((n) == 0) ? 1 : (n)) + +char * icalloc __P((int nelem, int elsize)); +char * icatalloc __P((char * old, const char * new)); +char * icpyalloc __P((const char * string)); +char * imalloc __P((int n)); +char * irealloc __P((char * pointer, int size)); +void ifree __P((char * pointer)); + +char * +imalloc(n) +const int n; +{ +#ifdef MAL + register char * result; + + result = malloc((size_t) nonzero(n)); + return NULLMAL(result) ? NULL : result; +#else /* !defined MAL */ + return malloc((size_t) nonzero(n)); +#endif /* !defined MAL */ +} + +char * +icalloc(nelem, elsize) +int nelem; +int elsize; +{ + if (nelem == 0 || elsize == 0) + nelem = elsize = 1; + return calloc((size_t) nelem, (size_t) elsize); +} + +char * +irealloc(pointer, size) +char * const pointer; +const int size; +{ + if (NULLMAL(pointer)) + return imalloc(size); + return realloc((void *) pointer, (size_t) nonzero(size)); +} + +char * +icatalloc(old, new) +char * const old; +const char * const new; +{ + register char * result; + register oldsize, newsize; + + newsize = NULLMAL(new) ? 0 : strlen(new); + if (NULLMAL(old)) + oldsize = 0; + else if (newsize == 0) + return old; + else oldsize = strlen(old); + if ((result = irealloc(old, oldsize + newsize + 1)) != NULL) + if (!NULLMAL(new)) + (void) strcpy(result + oldsize, new); + return result; +} + +char * +icpyalloc(string) +const char * const string; +{ + return icatalloc((char *) NULL, string); +} + +void +ifree(p) +char * const p; +{ + if (!NULLMAL(p)) + (void) free(p); +} + +void +icfree(p) +char * const p; +{ + if (!NULLMAL(p)) + (void) free(p); +} |