1*b30d1939SAndy Fiddaman /***********************************************************************
2*b30d1939SAndy Fiddaman * *
3*b30d1939SAndy Fiddaman * This software is part of the ast package *
4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2011 AT&T Intellectual Property *
5*b30d1939SAndy Fiddaman * and is licensed under the *
6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 *
7*b30d1939SAndy Fiddaman * by AT&T Intellectual Property *
8*b30d1939SAndy Fiddaman * *
9*b30d1939SAndy Fiddaman * A copy of the License is available at *
10*b30d1939SAndy Fiddaman * http://www.eclipse.org/org/documents/epl-v10.html *
11*b30d1939SAndy Fiddaman * (with md5 checksum b35adb5213ca9657e911e9befb180842) *
12*b30d1939SAndy Fiddaman * *
13*b30d1939SAndy Fiddaman * Information and Software Systems Research *
14*b30d1939SAndy Fiddaman * AT&T Research *
15*b30d1939SAndy Fiddaman * Florham Park NJ *
16*b30d1939SAndy Fiddaman * *
17*b30d1939SAndy Fiddaman * Glenn Fowler <gsf@research.att.com> *
18*b30d1939SAndy Fiddaman * David Korn <dgk@research.att.com> *
19*b30d1939SAndy Fiddaman * Phong Vo <kpv@research.att.com> *
20*b30d1939SAndy Fiddaman * *
21*b30d1939SAndy Fiddaman ***********************************************************************/
22*b30d1939SAndy Fiddaman #pragma prototyped
23*b30d1939SAndy Fiddaman /*
24*b30d1939SAndy Fiddaman * Glenn Fowler
25*b30d1939SAndy Fiddaman * AT&T Bell Laboratories
26*b30d1939SAndy Fiddaman *
27*b30d1939SAndy Fiddaman * time conversion support
28*b30d1939SAndy Fiddaman */
29*b30d1939SAndy Fiddaman
30*b30d1939SAndy Fiddaman #include <ast.h>
31*b30d1939SAndy Fiddaman #include <tm.h>
32*b30d1939SAndy Fiddaman
33*b30d1939SAndy Fiddaman /*
34*b30d1939SAndy Fiddaman * n is minutes west of UTC
35*b30d1939SAndy Fiddaman *
36*b30d1939SAndy Fiddaman * append p and SHHMM part of n to s
37*b30d1939SAndy Fiddaman * where S is + or -
38*b30d1939SAndy Fiddaman *
39*b30d1939SAndy Fiddaman * n ignored if n==d
40*b30d1939SAndy Fiddaman * end of s is returned
41*b30d1939SAndy Fiddaman */
42*b30d1939SAndy Fiddaman
43*b30d1939SAndy Fiddaman char*
tmpoff(register char * s,size_t z,register const char * p,register int n,int d)44*b30d1939SAndy Fiddaman tmpoff(register char* s, size_t z, register const char* p, register int n, int d)
45*b30d1939SAndy Fiddaman {
46*b30d1939SAndy Fiddaman register char* e = s + z;
47*b30d1939SAndy Fiddaman
48*b30d1939SAndy Fiddaman while (s < e && (*s = *p++))
49*b30d1939SAndy Fiddaman s++;
50*b30d1939SAndy Fiddaman if (n != d && s < e)
51*b30d1939SAndy Fiddaman {
52*b30d1939SAndy Fiddaman if (n < 0)
53*b30d1939SAndy Fiddaman {
54*b30d1939SAndy Fiddaman n = -n;
55*b30d1939SAndy Fiddaman *s++ = '+';
56*b30d1939SAndy Fiddaman }
57*b30d1939SAndy Fiddaman else
58*b30d1939SAndy Fiddaman *s++ = '-';
59*b30d1939SAndy Fiddaman s += sfsprintf(s, e - s, "%02d%s%02d", n / 60, d == -24*60 ? ":" : "", n % 60);
60*b30d1939SAndy Fiddaman }
61*b30d1939SAndy Fiddaman return s;
62*b30d1939SAndy Fiddaman }
63