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0171e72d4d
this adds support for 64-bit tzdata files, which is needed to support DST calculations beyond 2038. Add a regression test case to give some minimal confidence that that really works. Heikki Linnakangas
77 lines
1.2 KiB
C
77 lines
1.2 KiB
C
/*
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* This file is in the public domain, so clarified as of
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* 2006-07-17 by Arthur David Olson.
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/timezone/ialloc.c,v 1.10 2008/02/16 21:16:04 tgl Exp $
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*/
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#include "postgres_fe.h"
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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(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(int nelem, 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(void *pointer, 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(char *old, const char *new)
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{
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char *result;
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int oldsize,
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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
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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(const char *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(char *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(char *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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