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5b7f6bf978
changes: - Finish migrating zic to its own private.h. - Fix zic.8 so that it really is written in -mdoc. - Add four new flags to zic (&document): -D don't create directories -u change ownership of newly-created files to user -g change ownership of newly-created files to group -m change mode of newly-created files to modespec These, once proven, can be used to clean up the installation. Obtained from: ftp://elsie.nci.nih.gov/pub/tzcode1999a.tar.gz (partially)
87 lines
1.4 KiB
C
87 lines
1.4 KiB
C
#ifndef lint
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#ifndef NOID
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static char elsieid[] = "@(#)ialloc.c 8.29";
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#endif /* !defined NOID */
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#endif /* !defined lint */
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#ifndef lint
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static const char rcsid[] =
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"$Id: ialloc.c,v 1.4 1999/01/21 17:12:49 wollman Exp $";
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#endif /* not lint */
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/*LINTLIBRARY*/
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#include "private.h"
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#define nonzero(n) (((n) == 0) ? 1 : (n))
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char *
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imalloc(n)
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const int n;
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{
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return malloc((size_t) nonzero(n));
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}
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char *
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icalloc(nelem, elsize)
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int nelem;
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int elsize;
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{
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if (nelem == 0 || elsize == 0)
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nelem = elsize = 1;
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return calloc((size_t) nelem, (size_t) elsize);
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}
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void *
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irealloc(pointer, size)
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void * const pointer;
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const int size;
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{
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if (pointer == NULL)
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return imalloc(size);
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return realloc((void *) pointer, (size_t) nonzero(size));
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}
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char *
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icatalloc(old, new)
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char * const old;
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const char * const new;
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{
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register char * result;
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register int oldsize, newsize;
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newsize = (new == NULL) ? 0 : strlen(new);
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if (old == NULL)
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oldsize = 0;
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else if (newsize == 0)
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return old;
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else oldsize = strlen(old);
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if ((result = irealloc(old, oldsize + newsize + 1)) != NULL)
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if (new != NULL)
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(void) strcpy(result + oldsize, new);
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return result;
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}
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char *
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icpyalloc(string)
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const char * const string;
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{
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return icatalloc((char *) NULL, string);
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}
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void
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ifree(p)
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char * const p;
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{
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if (p != NULL)
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(void) free(p);
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}
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void
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icfree(p)
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char * const p;
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{
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if (p != NULL)
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(void) free(p);
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}
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