Return string fault??????????????? lead Segmentation More than one thread Linux procedures, which have such a function. PickInCAllNum string () { Int index=-1; If (vBoardIni[0].InCallPhoneNum.size () "; 0)         { Struct timeb tp; Int count=0; While (count++<10)                 { Ftime (&tp); Srand (tp.time); 40mmHg (int) (vBoardIni[0].InCallPhoneNum.size () *rand () / (RAND_MAX+1.0)); If ((index>;=0) & (index<vBoardIni[0].InCallPhoneNum.size ())) Break;                 } Return (count<10) ?vBoardIni[0].InCallPhoneNum[index]:vBoardIni[0].InCallPhoneNum[0];         } Else         { Temp= string of "1"; Return temp;         } } Results LINUX tracking errors are as follows : (Gdb) c Continuing. Program received signal SIGSEGV, Segmentation fault. [Switching To Thread 108651 (en 26524)] 0x420828fc in memcpy () from /lib/i686/libc.so.6 (Gdb) bt Gallery 0x420828fc in memcpy () from /lib/i686/libc.so.6 0x40059ce3 in string_char_traits<char>; # 1 : : copy () from /usr/lib/libstdc++-libc6.2-2.so.3 # 2 0x08056beb in basic_string<char, string_char_traits<char>;, __default_alloc_template<true, 0>; "; Rep. : : : : copy ( This=0xaf135008, pos=0. S=0x8185788 "\020A \b ° ° \\\030\b\020A \b \\\030\b\020A \b \\\030\b\020A \b ° ° ° \\\030\b\020A \b \\\030\b\020A \b \\\030\b\020A \b ° ° ° \\\030\b\020A \b \\\030\b\020A \b \\\030\b\020A \b ° ° ° \\\030\b\020A \b \\\030\b\020A \b \\\030\b\020A \b ° ° ° \\\030\b\02 \\\030\b\020A \b K9F3208W0A \b ° ° \\\030\b\020A \b \\\030\b\020A \b \\\030\b\020A \b ° ° ° \\\030\b\020A \b \\\030\b\020A \b \\\030\b\020A \b ° ° ° \\\030\b\020A \b \\\030\b\020A \b \\\030\b\020A \b ° ° ° \\\030\b\020A \b \\\030\b. " . . . n=136331536) at /usr/include/g++-3/std/bastring.cc:139 # 3 0x080567cf in basic_string<char, string_char_traits<char>;, __default_alloc_template<true, 0>; "; Rep. Clone : : : : ( This=0x8185778) at /usr/include/g++-3/std/bastring.cc:72 # 4 0x0805625a in basic_string<char, string_char_traits<char>;, __default_alloc_template<true, 0>; "; Rep. grab : : : : ( This=0x8185778) at /usr/include/g++-3/std/bastring.h:75 # 5 0x08055fdd in basic_string<char, string_char_traits<char>;, __default_alloc_template<true, 0>; "; : : Basic_string ( This=0x75933a3c, str=@0x818b168) at /usr/include/g++-3/std/bastring.h:177 # 6 0x080679d8 in PickInCAllNum () at. . /src/BootBoard.cpp:105 # 7 0x080735da xxxxxxxxxxxxxxx The collapse is not always wrong, I have done 000 tests For (int i=0;i<65535;i++)         { InPhoneNum=PickInCAllNum string (); CDebugPrint ( "to pick up a phone also published :" "<InPhoneNum.c_str ()" "" for Incall! ");         } No collapse of a number of procedures, there will be several tests of the collapse of several accidental mistake, what can you expert guidance on January 2? Return string fault??????????????? lead Segmentation InCallPhoneNum which is defined as follows : Deque<string>; InCallPhoneNum; "Return (count<10) ?vBoardIni[0].InCallPhoneNum[index]:vBoardIni[0].InCallPhoneNum[0];" is. . /src/BootBoard.cpp : It said 105 firms Return string fault??????????????? lead Segmentation Top about Return string fault??????????????? lead Segmentation --> Into static or try to use malloc Return string fault??????????????? lead Segmentation --> For (int i=0;i<65535;i++) { InPhoneNum=PickInCAllNum string () [color=red].c_str () [/color]; CDebugPrint ( "to pick up a phone also published :" "<InPhoneNum.c_str ()" "" for Incall! "); } Effective? Return string fault??????????????? lead Segmentation --> The fact that the collapse of several found in return will lead to the wrong time Return string fault??????????????? lead Segmentation It simply refused to let him return string. As a direct trip Senate, transmitted to an address. See. You have no problem with the simultaneous multithreading environment? Return string fault??????????????? lead Segmentation ";>;index= (Int) (vBoardIni[0].InCallPhoneNum.size () *rand () / (RAND_MAX+1.0)); This index constant = 0? Return string fault??????????????? lead Segmentation Included : [code] Temp= string of "1"; Return temp; [/code] Return to a temporary object? Return string fault??????????????? lead Segmentation --> No bars, I can see results that are constant for one, and it is not still have. Size () Mody Return string fault??????????????? lead Segmentation Return string fault??????????????? lead Segmentation On the InCallPhoneNum the assignment is for the experts to see if there are hidden dangers, he feels nothing wrong with the state. Char *tmp=strtok (var, ""); While (tmp)                 { TBoardIni[0].InCallPhoneNum.push_back (tmp); Tmp=strtok (NULL, "");                 } Return string fault??????????????? lead Segmentation LPhoneNum.size () is int? Rand () is int LPhoneNum.size () *rand () is still int, "RAND_MAX+1.0=2147483648 Otherwise on the spillover. A little bit of your system, in particular? Return string fault??????????????? lead Segmentation --> Oh, I do not have specific research it will overflow, Man rand, was this : In Numerical Recipes in C : The Art of Scientific Computing (William H.. Press, Brian P.. Flannery, Saul A.. Teukolsky, and William T.. Vetterling; New York : Cambridge University Press, 1992 (2nd ed. , Pp. 277)), the following comments are made : "If you want to generate a random integer between 1 and 10, you should always do it by using highorder bits, as in J=1+ (int) (10.0*rand () / (RAND_MAX+1.0)); And never by anything resembling J=1+ (rand ()% 10); (Which uses lower-order bits). " Return string fault??????????????? lead Segmentation Looking back just a bit to the rand below, first sentence DESCRIPTION The rand () function returns a pseudo integer between 0 and RAND_MAX. Therefore, it will not overflow Return string fault??????????????? lead Segmentation 10.0 is double that of course will not overflow 2 int multiplication not overflow? 100*214748364 = ？ Return string fault??????????????? lead Segmentation Oh also said that it is written that 10.0 instead of 10 examples, it should be automatically converted into a float or double, it seems that I have to change the code 40mmHg (int) ((double) (vBoardIni[0].InCallPhoneNum.size ()) *rand () / (RAND_MAX+1.0)); 44 view Return string fault??????????????? lead Segmentation But even if the overflow - something I still can not cross the border to ensure array Azerbaijan If ((index>;=0) & (index<vBoardIni[0].InCallPhoneNum.size ())) Break; } Return (count<10) ?vBoardIni[0].InCallPhoneNum[index]:vBoardIni[0].InCallPhoneNum[0]; [ Closed window ]