1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/tools/tzcode/ialloc.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,86 @@
1.4 +/*
1.5 +** This file is in the public domain, so clarified as of
1.6 +** 2006-07-17 by Arthur David Olson.
1.7 +*/
1.8 +
1.9 +#ifndef lint
1.10 +#ifndef NOID
1.11 +static char elsieid[] = "@(#)ialloc.c 8.30";
1.12 +#endif /* !defined NOID */
1.13 +#endif /* !defined lint */
1.14 +
1.15 +/*LINTLIBRARY*/
1.16 +
1.17 +#include "private.h"
1.18 +
1.19 +#define nonzero(n) (((n) == 0) ? 1 : (n))
1.20 +
1.21 +char *
1.22 +imalloc(n)
1.23 +const int n;
1.24 +{
1.25 + return malloc((size_t) nonzero(n));
1.26 +}
1.27 +
1.28 +char *
1.29 +icalloc(nelem, elsize)
1.30 +int nelem;
1.31 +int elsize;
1.32 +{
1.33 + if (nelem == 0 || elsize == 0)
1.34 + nelem = elsize = 1;
1.35 + return calloc((size_t) nelem, (size_t) elsize);
1.36 +}
1.37 +
1.38 +void *
1.39 +irealloc(pointer, size)
1.40 +void * const pointer;
1.41 +const int size;
1.42 +{
1.43 + if (pointer == NULL)
1.44 + return imalloc(size);
1.45 + return realloc((void *) pointer, (size_t) nonzero(size));
1.46 +}
1.47 +
1.48 +char *
1.49 +icatalloc(old, new)
1.50 +char * const old;
1.51 +const char * const new;
1.52 +{
1.53 + register char * result;
1.54 + register int oldsize, newsize;
1.55 +
1.56 + newsize = (new == NULL) ? 0 : strlen(new);
1.57 + if (old == NULL)
1.58 + oldsize = 0;
1.59 + else if (newsize == 0)
1.60 + return old;
1.61 + else oldsize = strlen(old);
1.62 + if ((result = irealloc(old, oldsize + newsize + 1)) != NULL)
1.63 + if (new != NULL)
1.64 + (void) strcpy(result + oldsize, new);
1.65 + return result;
1.66 +}
1.67 +
1.68 +char *
1.69 +icpyalloc(string)
1.70 +const char * const string;
1.71 +{
1.72 + return icatalloc((char *) NULL, string);
1.73 +}
1.74 +
1.75 +void
1.76 +ifree(p)
1.77 +char * const p;
1.78 +{
1.79 + if (p != NULL)
1.80 + (void) free(p);
1.81 +}
1.82 +
1.83 +void
1.84 +icfree(p)
1.85 +char * const p;
1.86 +{
1.87 + if (p != NULL)
1.88 + (void) free(p);
1.89 +}
