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I'm doing school assignment. But I can't solve it yet. Will you help me? Using shared memory,I have to copy structure to second program. But it does not operate well. Maybe it's type problem especially shmat part. Will you help me guys? Thanks you in advance. [CODE]struct work_list { int …

Hello guys. Can I write structure data to child pipe? Usual examples are about writing char* or int type. I tried to write structure. But it does not look work. Will you check my code? ----------------------------------------------------------------------- [CODE]struct work_list { int heavy_rate; //0 - 5 level int work_owner; //thread id } …

I want to know what is "Vector for the buckets in hash table". I gathered data and stored into hash table. And I want to know how to convert hash table buckets into Vector. If you guys have source, It would be helpful or theory, also welcomed. Thanks you in …

Hello .. I 'm doing sha1 program. I don't know why this source result show below errors. sha3.cpp:11: error: invalid conversion from ‘unsigned char*’ to ‘const char*’ sha3.cpp:11: error: initializing argument 1 of ‘size_t strlen(const char*)’ Thanks you. [CODE][/CODE] [CODE]#include <stdio.h> #include <string.h> #include <openssl/sha.h> int main() { int i; …

Hello .. I 'm doing sha1 program. I don't know why this source result show below errors. sha3.cpp:11: error: invalid conversion from ‘unsigned char*’ to ‘const char*’ sha3.cpp:11: error: initializing argument 1 of ‘size_t strlen(const char*)’ Thanks you. [CODE] #include <stdio.h> #include <string.h> #include <openssl/sha.h> int main() { int i; …

I hope to copy from container to another container. But it is not easy. gdb said I'm trying to copy const string to string. --------------------------------------------------------------------------------- 0x00007ffff7b760f3 in std::string::assign(std::string const&) () from /usr/lib/libstdc++.so.6 --------------------------------------------------------------------------------- I don't know how to copy from container to container one by one. WiIl you help me? …

I will copy stl vector container A to B But not whole. If element of A is proper, I will copy only that to B. Is there any way to do it? I tried to do this way. 1. newA.put_dat(input_stl[j].ino_no) -------- ------------------------ B con A container (ino_no element or whatever) …

Thanks you guys.. I have one more question. I'm programming recursive directory traverse function. It will be called from main program with absolute directory name. I could printout in a simple 2~3 depth directory. But I could not in complex structure. (/lib/modules has two directory, and inside there, files and …

I'm doing programming which can traverse subdirectory and show lists. If I check just file part, it was not problem. But when I do directory part, and have to recurse program itself(I marked as "from this part"), it show strcat segment error. I'm thinking it's problem if string and char* …

When I want to save result to file I use ofstream, right? [CODE]ofstream myout; myout.open (sav_fl, fstream::app); [/CODE] But depending on the "ol" value(=user input), I want to show it to screen not to file. How can I do? I thought this way. But error message shown up. [CODE]if (ol …

I'm doing assignment. If I use getopt_long, I can't use both argument like -vo, but -verbose -open is ok. I want to use both `command -vo ~~` and command `-verbose -open ~~` WIll you help me? Thanks you. int main(int argc, char * argv[]) { using namespace std; int c; …

My souce is below. function is called from main program. But during execution segmentation fault occur. If I execute half are ok, but half are failed. I used kdb. But still I don't know why. I think I used correct expression. kdb said "if(entry->d_type) == DT_REG) " is problem. I …