xref: /aoo42x/main/vcl/inc/unx/salunx.h (revision 24f6443d)
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21 
22 
23 
24 #ifndef _SALUNX_H
25 #define _SALUNX_H
26 
27 // -=-= #includes =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
28 #if defined SCO || defined LINUX || defined HPUX || defined FREEBSD || defined NETBSD
29 #include <sys/time.h>
30 #elif defined AIX
31 #include <time.h>
32 #include <sys/time.h>
33 #include <strings.h>
34 #endif
35 #include <unx/svunx.h>
36 #include <unx/salstd.hxx>
37 
38 // -=-= #defines -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
39 #define capacityof(a)	(sizeof(a)/sizeof(*a))
40 
41 // -=-= inlines =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Divide(long nDividend,long nDivisor)42 inline long Divide( long nDividend, long nDivisor )
43 { return (nDividend + nDivisor/2) / nDivisor; }
44 
DPI(long pixel,long mm)45 inline long DPI( long pixel, long mm )
46 { return Divide( pixel*254, mm*10 ); }
47 
48 // -=-= timeval =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
operator >=(const timeval & t1,const timeval & t2)49 inline int operator >= ( const timeval &t1, const timeval &t2 )
50 {
51 	if( t1.tv_sec == t2.tv_sec )
52 		return t1.tv_usec >= t2.tv_usec;
53 	return t1.tv_sec > t2.tv_sec;
54 }
55 
operator >(const timeval & t1,const timeval & t2)56 inline int operator > ( const timeval &t1, const timeval &t2 )
57 {
58 	if( t1.tv_sec == t2.tv_sec )
59 		return t1.tv_usec > t2.tv_usec;
60 	return t1.tv_sec > t2.tv_sec;
61 }
62 
operator ==(const timeval & t1,const timeval & t2)63 inline int operator == ( const timeval &t1, const timeval &t2 )
64 {
65 	if( t1.tv_sec == t2.tv_sec )
66 		return t1.tv_usec == t2.tv_usec;
67 	return sal_False;
68 }
69 
operator -=(timeval & t1,const timeval & t2)70 inline timeval &operator -= ( timeval &t1, const timeval &t2 )
71 {
72 	if( t1.tv_usec < t2.tv_usec )
73 	{
74 		t1.tv_sec--;
75 		t1.tv_usec += 1000000;
76 	}
77 	t1.tv_sec  -= t2.tv_sec;
78 	t1.tv_usec -= t2.tv_usec;
79 	return t1;
80 }
81 
operator +=(timeval & t1,const timeval & t2)82 inline timeval &operator += ( timeval &t1, const timeval &t2 )
83 {
84 	t1.tv_sec  += t2.tv_sec;
85 	t1.tv_usec += t2.tv_usec;
86 	if( t1.tv_usec > 1000000 )
87 	{
88 		t1.tv_sec++;
89 		t1.tv_usec -= 1000000;
90 	}
91 	return t1;
92 }
93 
operator +=(timeval & t1,sal_uIntPtr t2)94 inline timeval &operator += ( timeval &t1, sal_uIntPtr t2 )
95 {
96 	t1.tv_sec  += t2 / 1000;
97 	t1.tv_usec += t2 ? (t2 % 1000) * 1000 : 500;
98 	if( t1.tv_usec > 1000000 )
99 	{
100 		t1.tv_sec++;
101 		t1.tv_usec -= 1000000;
102 	}
103 	return t1;
104 }
105 
operator +(const timeval & t1,const timeval & t2)106 inline timeval operator + ( const timeval &t1, const timeval &t2 )
107 {
108 	timeval t0 = t1;
109 	return t0 += t2;
110 }
111 
operator +(const timeval & t1,sal_uIntPtr t2)112 inline timeval operator + ( const timeval &t1, sal_uIntPtr t2 )
113 {
114 	timeval t0 = t1;
115 	return t0 += t2;
116 }
117 
operator -(const timeval & t1,const timeval & t2)118 inline timeval operator - ( const timeval &t1, const timeval &t2 )
119 {
120 	timeval t0 = t1;
121 	return t0 -= t2;
122 }
123 #endif
124 
125