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Access Violation Ifstream

However, following your question I commented out some array code I wrote and there is no problem anymore although the two pieces of code are totally unrelated. share|improve this answer edited Nov 16 '11 at 23:51 answered Nov 16 '11 at 23:34 Matteo Italia 73k997183 1 -1 for shouting –Shahbaz Nov 16 '11 at 23:36 1 What should I do now? Word that means "to fill the air with a bad smell"? http://technologyprometheus.com/access-violation/access-violation-3e.html

Could you tell me or point me in the right direction? Haha, seriously? –Shahbaz Nov 16 '11 at 23:43 Thank you. How to describe a person who always prefers things from other countries but not from their home countries? Did Malcolm X say that Islam has shown him that a blanket indictment of all white people is wrong? http://stackoverflow.com/questions/23684646/access-violation-using-fstream

Not the answer you're looking for? That would be data_source_files.size() This is likely to cause an out-of-range access. I understand that there is probably something wrong with how I'm handling pointers, allocating/de-allocating memory, etc. Bad read source file" << endl; } } share|improve this answer answered Nov 16 '11 at 23:50 Jerry Coffin 326k31363766 add a comment| Your Answer draft saved draft discarded Sign

For some reason the code in the OP works when i have it by itself in a different project. However, another strange issue is: if I do: std::ifstream file("data/maps/exportedForestMap.txt", std::ifstream::in); before calling the library function that collects the file string data, the loading of the file problem goes away. e.g. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Jun 28, 2013 at 10:06pm UTC nano511 (373) Im not sure how to fix any of those problems :(. But when you go back to where the function was originally called from my code i.e "file.close()" that i pasted in the beginning, these are the states of the local variables: Whose murder is it? I've been searching for an answer for the past 4 hours.

Consider using Application Verifier to check your memory usage. –PaulH Mar 10 '14 at 14:45 Dear PaulH, thanks for your help! ifstream *file; file = (ifstream *)malloc(2048 * sizeof(ifstream)); for (short i = 0; i < 2048; i++) { itoa(i, fileName + 5, 10); file[i].open(fileName, ios::in | ios::binary); // Access violation Error The variable r holds the value 'r', which you output... –Mooing Duck May 15 '14 at 17:25 1 After adding the address-of operator, the cast becomes unnecessary. Nov 16 '11 at 23:50 add a comment| up vote 0 down vote You cannot open 2048 files, there is an operating system limit for open files share|improve this answer answered

Code Coverage Calculation - Seems to be including code in test methods Does Ohm's law hold in space? http://stackoverflow.com/questions/16466957/access-violation-error-using-ofstream-fstream To Jim: Thanks, i fixed that. The program '[8460] Testing_OpenGL.exe: Native' has exited with code -1073741819 (0xc0000005). How normal is it to have published as an undergraduate?

Browse other questions tagged c++ fstream access-violation file-handling ofstream or ask your own question. this contact form delete[] file; // frees the array (although you should use a smart pointer here to avoid memory leaks in case of exceptions) or, better, use a vector of ifstream (requires header Or maybe it is very bad idea to have 2048 opened ifstreams and there is a better way to realize this algorithm? A counter example for Sard's theorem in the case C^1 Clone yourself!

Stack: ntdll.dll!77e48e19() Unknown [Frames below may be incorrect and/or missing, no symbols loaded for ntdll.dll] ntdll.dll!77e48d28() Unknown msvcr110.dll!_lock_file(_iobuf * pf) Line 223 C msvcr110.dll!getc(_iobuf * stream) Line 43 C MainProj.exe!std::_Fgetc(char & I have used all the checks i could possibly think of before writing and closing the file: if(file.is_open() && file.good() && !file.fail() && !file.bad()) { file<http://technologyprometheus.com/access-violation/exception-access-violation-fix.html This is the original error statement: What exactly am i doing wrong here?

This is C++; use new and delete. share|improve this answer answered Mar 10 '14 at 19:53 user2158538 1 The bug in your code overwrote some part of the std::string or std::ifstream objects such that when you went Start looking for memory corruption.

if(!in) // Check all flags.

Unfornutaly, the problem isnt with opening the file. So I would say the actual problem is not in the code you posted. It probablyintercepts every file open attempt, antivirus-style, and internallythrows and catches those exceptions for whatever reason. C++0C++ Trace Logging Question, fstream access violation question0Violation access in time compilation (0xC0000005)90xC0000005: Access violation reading location 0x000000000Access violation error using ofstream/fstream?0Using fstreams throws an access violation after main returns-10xC0000005: Access

How do I typeset a matrix in an inline equation? Join them; it only takes a minute: Sign up 'Access violation' using fstream up vote 1 down vote favorite #include #include #include using namespace std; int main() { Very particular female bathroom issues Why study finite-dimensional vector spaces in the abstract if they are all isomorphic to R^n? http://technologyprometheus.com/access-violation/what-is-access-violation-at-address.html No new replies allowed.

but now the output is just: r. Any help on this is greatly appreciated. Related 1C++ OpenGL glTexImage2D Access Violation0access violation in converting string to double with atof-2Unhandled exception at 0x00cd2e34 in Detect.exe: 0xC0000005: Access violation reading location 0x000000000Access violation at ABABABAB after realloc1Access Violation