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1 | // Copyright (c) 1998-1999 Matra Datavision |
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2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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3 | // |
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4 | // This file is part of Open CASCADE Technology software library. |
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5 | // |
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6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
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11 | // |
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12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
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14 | |
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15 | #include <OSD.hxx> |
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16 | |
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17 | // Convert Real to CString in format e with 16 significant digits. |
18 | // The decimal point character is always a period. |
19 | // The conversion is independant from current locale database |
20 | |
21 | Standard_Boolean OSD::RealToCString(const Standard_Real aReal, |
22 | Standard_PCharacter& aString) |
23 | { |
24 | char *p, *q ; |
25 | |
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26 | if (Sprintf(aString,"%.17e",aReal) <= 0) //BUC60808 |
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27 | return Standard_False ; |
28 | |
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29 | // Suppress "e+00" and unsignificant 0's |
30 | |
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31 | p = strchr(aString,'e'); |
32 | if (p) { |
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33 | if (!strcmp(p,"e+00")) |
34 | *p = 0 ; |
35 | for (q = p-1 ; *q == '0' ; q--) ; |
36 | if (q != p-1) { |
37 | if (*q != '.') q++ ; |
38 | while (*p) |
39 | *q++ = *p++ ; |
40 | *q = 0 ; |
41 | } |
42 | } |
43 | return Standard_True ; |
44 | } |
45 | |
46 | // Make the RealToCString reciprocal conversion. |
47 | |
48 | Standard_Boolean OSD::CStringToReal(const Standard_CString aString, |
49 | Standard_Real& aReal) |
50 | { |
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51 | char *endptr ; |
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52 | aReal = Strtod(aString, &endptr); |
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53 | if (*endptr) |
54 | return Standard_False ; |
55 | return Standard_True; |
56 | } |
57 | |
58 | //======================================================================= |
59 | //function : OSDSecSleep |
60 | //purpose : Cause the process to sleep during a amount of seconds |
61 | //======================================================================= |
62 | |
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63 | #ifdef _WIN32 |
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64 | # include <windows.h> |
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65 | # define SLEEP(NSEC) Sleep(1000*(NSEC)) |
66 | #else |
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67 | #include <unistd.h> |
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68 | # define SLEEP(NSEC) sleep(NSEC) |
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69 | #endif |
70 | |
71 | void OSD::SecSleep(const Standard_Integer aDelay) |
72 | { |
73 | SLEEP(aDelay); |
74 | } |
75 | |
76 | //======================================================================= |
77 | //function : MilliSecSleep |
78 | //purpose : Cause the process to sleep during a amount of milliseconds |
79 | //======================================================================= |
80 | |
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81 | #ifdef _WIN32 |
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82 | |
83 | void OSD::MilliSecSleep(const Standard_Integer aDelay) |
84 | { |
85 | Sleep(aDelay) ; |
86 | } |
87 | |
88 | #else |
89 | |
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90 | #include <sys/time.h> |
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91 | |
92 | void OSD::MilliSecSleep(const Standard_Integer aDelay) |
93 | { |
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94 | struct timeval timeout ; |
95 | |
96 | timeout.tv_sec = aDelay / 1000 ; |
97 | timeout.tv_usec = (aDelay % 1000) * 1000 ; |
98 | |
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99 | select(0,NULL,NULL,NULL,&timeout) ; |
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100 | } |
101 | |
102 | #endif |