If you use computers running on Windows, you may have to the debug assertion failed C++ error. The error does not interfere with the operations of the operating system, but it is certainly annoying.
Therefore, it is not a surprise that you will try to fix this error. In this post, you will learn the causes of this error and how you can debug it.
Contents
- What Is Assertion Failed Error?
- What Causes Assertion Failed Error?
- When Does the Error Occur?
- How To Fix Debug Assertion Failed Visual C++
- – Solution 1: Run a Clean Boot
- – Solution 2: Repair or Reinstall Visual C++ Package
- – Solution 3: Reinstall the Visual C++ Package
- – Solution 4: Perform SFC and DISM Scans
- – Solution 5: Uninstall Your Graphics Card Driver
- – Solution 6: Turn Off Compatibility Mode
- – Solution 7: Reinstall Problematic Apps
- – Solution 8: Reset Windows
- Conclusion
What Is Assertion Failed Error?
The assertion failed C++ is a runtime error that has various triggers. In most cases, the error will indicate the program path to explain the component and line that failed. One of the standard C++ runtime library functions will throw this assertion failure error if you try calling them using invalid parameters. Luckily, you can use a debugger to establish the call that is causing the error.
What Causes Assertion Failed Error?
This error will crop up once in a while when the software you install on your computer conflicts with one or several components in Windows. The main cause of this error is incorrectly configured application or Windows system settings.
This error occurs when an assertion statement responsible for specifying a condition that you expect to be true in a program turns out to be false. This will then result in a failed assertion which will in return interrupt your program and a dialog box will appear with the error in question.
It will commonly arise from Microsoft Visual. Sometimes, you will come across this error when you launch Windows 10. This is an indication that a startup application is causing the error.
However, sometimes it will pop up when you launch a certain application. For instance, one way you may encounter it is when you are launching a game. In some cases, third-party startup applications may interfere with your system resulting in the error in question.
When Does the Error Occur?
This is a problematic runtime error that occurs in several circumstances. For instance, this error may arise when you are using several applications such as Java, Steam, Skype, and Excel. In some cases, you may get this error right on starting up your computer. Normally, this means there is a startup application causing the error.
Also, some people report Nvidia graphics as the cause of this error. If you are experiencing this, you can fix the error by updating or reinstalling your applications.
For many applications, Visual C++ is a basic component that if damaged will trigger this error. Some users find it hard to install C++ 2015, which has a negative impact on all applications which require the component. This affects all the versions of Windows including Windows 11. Also, Visual C++ can crash frequently. Fortunately, there are ways you can use to fix this error.
How To Fix Debug Assertion Failed Visual C++
To be in a position to debug assertion failed error in Visual C++, you need to try a few solutions. It is worth keeping in mind that you may have to try a number of these solutions before you come across one that actually works.
However, before you start, it is advisable that you try a Windows repair tool that will automatically find and replace corrupt or damaged system files. Some tools will even remove malware and get rid of accumulated junk in a matter of minutes.
– Solution 1: Run a Clean Boot
One way you can try to solve the error is by performing a clean boot. This is especially true when third-party applications are causing the error in your computer. To do this, hit the Windows key + R then type msconfig and hit enter. This will launch the System Configuration window. Next, open the services tab on the top of the window.
Now, tick the box near “Hide all Microsoft services” and click on the “Disable all” button. Open the general tab on the top of the window and choose the “Selecting startup” option and uncheck the “Load startup items”. Lastly, click on Apply and OK buttons to save the changes. Afterward, reboot your computer and check if you will get the error again.
– Solution 2: Repair or Reinstall Visual C++ Package
The first thing you should do when fixing this error is to try and repair the installed C++ package. To do this, search for the “Control Panel” using the search bar of your Windows computer. Next, open the Program option and then choose the Uninstall a Program option.
If you have several Microsoft Visual packages installed, make sure you right-click on each and then select the Change option. Now, choose the Repair option and continue with the on-screen instructions.
– Solution 3: Reinstall the Visual C++ Package
If repairing the Visual package does not help debug assertion failed – C++ Windows 10 error, you should consider reinstalling the package. To reinstall the package, first, uninstall the existing one. You will find the existing Visual package in the Programs section. Select the Uninstall option.
After you are through uninstalling the package, visit the official Microsoft website to download the latest package. Choose the package version (32-bit or 64-bit) that suits your Windows operating system and download it. Next, install the package and restart your computer.
Remember if you have a number of Visual C++ versions, you should start by uninstalling the oldest ones and leaving the latest versions. For instance, if your computer has 2008 visual C++ redistributable and you have another older version, you should start by uninstalling the older version.
– Solution 4: Perform SFC and DISM Scans
Another reason you may encounter this error is a corrupt system file. Therefore, another thing you should try is to fix violations of system file integrity as well as repair the Windows image.
To accomplish this, start by launching the cmd by searching it in the Windows search bar. Make sure you right-click the command prompt and choose “Run as administrator”. Once the “User Account Control” appears, click “Yes”.
Now, type the following commands hitting the Enter button after each command:
DISM/Online/Cleanup-Image/CheckHealth
DISM/Online/Cleanup-Image/ScanHealth
DISM/Online/Cleanup-Image/RestoreHealth
Make sure you do not interfere with any of these operations. Just wait until each of the scans is done fully. Once everything is done, restart your Windows computer.
– Solution 5: Uninstall Your Graphics Card Driver
Often, the drivers for your graphics card can cause the error in question. Therefore, the solution is to reinstall the drivers for your graphics card. Alternatively, you can update the graphics card driver that is appropriate for your computer.
To uninstall the graphics card driver, start by searching “device manager” in the windows search bar and select “Device Manager”. Next, open the “Display adapters” tab and then right-click on the graphics card and choose the “Uninstall device” option.
This will open a confirmation menu. Choose Delete the driver software for this device then click on the Uninstall button. Lastly, close the Device Manager window and any other open windows and reboot your computer. Establish if the error persists.
– Solution 6: Turn Off Compatibility Mode
Often compatibility is a good feature that lets you run old applications on your computer. However, the feature can result in the error in question. To solve this problem, you only need to disable the compatibility mode.
Once you are done disabling the compatibility mode, you need to run the application again to establish if it triggers the error.
Here is how you can disable the compatibility mod: First, find the application causing the error and right-click on it, and then select Properties. Next, open the Compatibility tab and ensure that Run this program in compatibility mode for is not enabled. Lastly, click Apply and OK buttons.
– Solution 7: Reinstall Problematic Apps
If you are triggering this error when attempting to run specific applications, you may have to reinstall those applications. When some of the files in these applications get corrupted, your computer may throw the error.
Therefore, to fix the error, you simply need to reinstall the applications triggering the error and check if that solves the issue. To make sure, the problem does not recur, download and install only the latest version of the apps.
– Solution 8: Reset Windows
In case none of the above solutions works for you, then you should consider resetting your Windows computer. Keep in mind that afterward, you will have to reinstall the applications.
To get started hit the Windows button on your keyboard and choose Settings. Next, move to the Update & Security option and select the Recovery option. Below the Reset this PC option, click the Get Started button. Lastly, choose Keep my files and Cloud download to finalize the reset process.
Conclusion
The ability to debug and solve the error in question makes it possible to avoid the annoying error. Here is what you have learned about the assertion error in this post:
- This error will crop up once in a while when the software you install on your computer conflicts with one or several components in Windows.
- This error may arise when you are using several applications such as Java, Steam, Skype, and Excel.
- Eight different techniques for solving the error.
- The techniques include repairing or reinstalling the C++ package, reinstalling problematic apps, and resetting windows among others.
Armed with this knowledge, you can comfortably go ahead to solve the error whenever it pops up on your computer.
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5 / 7 / 1 Регистрация: 02.06.2012 Сообщений: 42 |
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14.06.2012, 15:45. Показов 12346. Ответов 21
что за ошибка Миниатюры
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4043 / 2332 / 292 Регистрация: 03.02.2011 Сообщений: 5,066 Записей в блоге: 10 |
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14.06.2012, 17:20 |
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Вероятно, семерка палки в колеса вставляет… попробуй запускать билдер с привилегиями админа. Добавлено через 50 минут
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5 / 7 / 1 Регистрация: 02.06.2012 Сообщений: 42 |
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14.06.2012, 18:43 [ТС] |
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ее как то исправить можно не переустанавливая Windows
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Заблокирован |
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14.06.2012, 18:53 |
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Markot777, а виндовс тут каким боком, если глюк в вашей проге?
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5 / 7 / 1 Регистрация: 02.06.2012 Сообщений: 42 |
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14.06.2012, 18:58 [ТС] |
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ясн СПС)) У меня Builder 2009 ,, значит буду искать есче какой))
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Заблокирован |
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14.06.2012, 19:01 |
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Markot777, вы код покажите, может, вы просто в условии = вместо == написали . Среда тут тоже ни при чем. Добавлено через 45 секунд
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Markot777 5 / 7 / 1 Регистрация: 02.06.2012 Сообщений: 42 |
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14.06.2012, 19:11 [ТС] |
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Заблокирован |
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14.06.2012, 19:34 |
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Markot777, вы издеваетесь? при чем здесь срр проекта, в который вы сами не добавили ни строчки? Или изложите коротко, но понятно, в каком случае у вас проявляется эта ошибка, с примером кода, если таковой у вас случайно имеется, или закрою тему, как не имеющего полезного содержимого.
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5 / 7 / 1 Регистрация: 02.06.2012 Сообщений: 42 |
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14.06.2012, 19:40 [ТС] |
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да проблема происходит при закрытии программы ..
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8385 / 6147 / 615 Регистрация: 10.12.2010 Сообщений: 28,683 Записей в блоге: 30 |
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14.06.2012, 19:54 |
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Очевидно что ошибка в сохранении… Подозреваю что вы еще чет динамическое не удалили…
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Заблокирован |
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14.06.2012, 20:08 |
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Avazart, та то бесполезно , я уже пол-дня из него этот код тяну, и в личке, и в теме
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8385 / 6147 / 615 Регистрация: 10.12.2010 Сообщений: 28,683 Записей в блоге: 30 |
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14.06.2012, 20:27 |
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LK,Че ты понимаешь? тут сверх секретный код со сверх секретными ошибками
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Markot777 5 / 7 / 1 Регистрация: 02.06.2012 Сообщений: 42 |
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14.06.2012, 22:15 [ТС] |
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Вод код Сохранения и загрузки
Добавлено через 14 минут
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Avazart 8385 / 6147 / 615 Регистрация: 10.12.2010 Сообщений: 28,683 Записей в блоге: 30 |
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14.06.2012, 22:23 |
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Пробуй заменить
На
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5 / 7 / 1 Регистрация: 02.06.2012 Сообщений: 42 |
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14.06.2012, 22:50 [ТС] |
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Новая ошибка ,вместо той Миниатюры
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8385 / 6147 / 615 Регистрация: 10.12.2010 Сообщений: 28,683 Записей в блоге: 30 |
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14.06.2012, 22:57 |
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Сам xml можешь выложить?
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5 / 7 / 1 Регистрация: 02.06.2012 Сообщений: 42 |
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14.06.2012, 23:05 [ТС] |
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Вот файл в который сохрвняет
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8385 / 6147 / 615 Регистрация: 10.12.2010 Сообщений: 28,683 Записей в блоге: 30 |
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14.06.2012, 23:27 |
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5 / 7 / 1 Регистрация: 02.06.2012 Сообщений: 42 |
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15.06.2012, 00:37 [ТС] |
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Большое те спасибо ты очень помог мне))) буду презнателен чтоб ты помог мне с сортировкой для сосданного StringGrida можешь его реализовать в xml.rar в той проге которую ты мне прислал
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8385 / 6147 / 615 Регистрация: 10.12.2010 Сообщений: 28,683 Записей в блоге: 30 |
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15.06.2012, 00:43 |
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Не это не интересно… Добавлено через 2 минуты
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This code fails when I try to debug it using VC2010:
char frd[32]="word-list.txt";
FILE *rd=fopen(frd,"r");
if(rd==NULL)
{
std::cout<<"Coudn't open filet"<<frd;
exit(1);
}
char readLine[100];
while(fgets(readLine, 100, rd) != NULL)
{
readLine[strlen(readLine) - 1] = '';
char *token = NULL;
token = strtok(readLine, " ,");
insert(readLine);
}
Debugging results in
————————— Microsoft Visual C++ Debug Library———–
Debug Assertion Failed!
Program: …documentsvisual studio 2010ProjectsbfaDebugbfa.exe
File: f:ddvctoolscrt_bldself_x86crtsrcfgets.c Line: 57Expression: ( str != NULL )
For information on how your program can cause an assertion failure,
see the Visual C++ documentation on asserts.(Press Retry to debug the application)
————————— Abort Retry Ignore
The errno I get is 2;
asked Dec 26, 2011 at 8:40
JohnJohn
7942 gold badges18 silver badges34 bronze badges
4
My guess is that the file is failing to open, and you’re still passing it to fgets. Your if(rd==NULL) doesn’t stop execution of the fgets if it’s null, it just prints out a message and continues with execution.
Some very basic errorr handling:
const char* frd = "word-list.txt";
FILE *rd=fopen(frd,"r");
if(rd==NULL) {
std::cout<<"Coudn't open file"<<endl;
return 1;
}
char readLine[100];
while(fgets(readLine, 100, rd) != NULL)
{
readLine[strlen(readLine) - 1] = '';
char *token = NULL;
token = strtok(readLine, " ,");
insert(readLine);
}
answered Dec 26, 2011 at 8:46
CorbinCorbin
33k6 gold badges68 silver badges78 bronze badges
7
I had this error and John is right what happened was my Anti Virus corrupte some files of the ap I replaced them and problem solved.
answered Apr 2, 2013 at 1:40
Question
Issue: How to fix Assertion failed: C++ Runtime Library Expression vulcan_ error?
Hi. Every time I start or restart my Windows 10, I receive an error titled “Microsoft Visual C++ Runtime Library,” and it says “Assertion failed! Expression vulcan_” and this is rather annoying. I am not sure what any of this is and why this is happening. If you could provide some solutions, it would be great!
Solved Answer
C++ Runtime Library Expression vulcan_ error is one of the problems that users might encounter on their Windows computers. While it is not a critical issue such as BSOD[1] (since it rarely interferes with an operating system or other applications operation), it is definitely annoying, so it is not surprising that users are trying to find a fix.
In most cases, this error indicates the program path, which explains which component and which line failed. The most commonly encountered component is Vulcanadapter.cc – it is a part of the Adobe program. Here’s the full message you might see:
Assertion failed!
Program: [path]Expression: vulcan_
For more information on how your program can cause an assertion failure, see the Visual C++ documentation on asserts
In most cases, people reported that the error shows up as soon as they launch Windows 10, although it might sometimes pop-up when a particular application is launched, e.g., Photoshop. The main reason why users encounter this error is due to the incorrectly configured Windows system or application settings.
In order to fix the Visual C++ Runtime Library Expression vulcan_ error, you should follow the solutions we provide below. Keep in mind that you might have to try several before finding the one that works for you.
Before you begin, we highly recommend you try using a Windows repair tool RestoroMac Washing Machine X9 – it can find and replace damaged or corrupted system files for you automatically. Besides, the program can also remove already existing malware[2] and clean the system from accumulated junk within just a few minutes.
Fix 1. Reinstall or repair Visual C++ package
Fix it now!
Fix it now!
To repair damaged system, you have to purchase the licensed version of Restoro Mac Washing Machine X9.
You should first try repairing the already installed Visual C++ Redistributable[3] packages:
- Type Control Panel in Windows search and press Enter
- Go to Program > Uninstall a program
- If you have multiple Microsoft Visual Redistributable packages installed, right-click on each of them and select Change
- Pick Repair and proceed with on-screen instructions
If that does not help, reinstall the packages altogether:
- Right-click on each of the entries and select Uninstall
- Once done, visit the official Microsoft website
- Download and install the latest packages – vc_redist.x86.exe (32-bit) and vc_redist.x64.exe (64-bit) versions
- Restart your system.
Important note: If you have several versions of VisualC++ installed, make sure you remove the oldest ones and leave the latest ones available. For example, if you have Microsoft Visual C++ Redistributable 2008 – x64 9.0.30729.17 installed and there is an older version next to it, remove it completely.
Fix 2. Run SFC and DISM scans
Fix it now!
Fix it now!
To repair damaged system, you have to purchase the licensed version of Restoro Mac Washing Machine X9.
System file corruption might be the reason for the error to occur. Thus, you should first try fixing system file integrity violations and then repairing Windows image. Here’s how:
- Type cmd in Windows search
- Right-click on Command Prompt and select Run as administrator
- When User Account Control shows up, click Yes
- In the new window, type in the following commands, pressing Enter after each:
sfc /scannow
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth
- Do not interrupt any of the scans and wait till each of them are fully finished (it may take awhile)
- Restart your PC
Fix 3. Reinstall Adobe-related software
Fix it now!
Fix it now!
To repair damaged system, you have to purchase the licensed version of Restoro Mac Washing Machine X9.
If the failed component is related to Adobe products such as Creative Cloud or Premiere, you should try reinstalling the app and see if that helps:
- Right-click on Start and pick Apps and Features
- Find the program in question
- Click Uninstall and confirm with Uninstall
- Redownload and install the app once again.
Fix 4. Rename related processes [workaround]
Fix it now!
Fix it now!
To repair damaged system, you have to purchase the licensed version of Restoro Mac Washing Machine X9.
If you have Adobe Creative Cloud installed and are experiencing this error, you can rename certain EXE files within its directory to prevent them from loading, consequently resolving the error. Keep in mind that certain aspects of the app might not work (CC Libraries in particular):
- Press Ctrl + Shift + Esc to open the Task Manager
- Close CCLibrary.exe and CCXProcess.exe processes by pressing End Task
- Press Win + E to open File Explorer
- Navigate to C:\Program Files (x86)\Adobe\Adobe Creative Cloud\CCLibrary and rename CCLibrary.exe to CCLibrary.exe.off
- Next, go to C:\Program Files (x86)\Adobe\Adobe Creative Cloud\CCXProcess and rename CCXProcess.exe to CCXProcess.exe.off
- The error should now not show up anymore.
Fix 5. Reset Windows
Fix it now!
Fix it now!
To repair damaged system, you have to purchase the licensed version of Restoro Mac Washing Machine X9.
If none of the steps above helped, you should reset Windows. Here’s how (note that you will have to reinstall your programs):
- Right-click on Start and select Settings
- Go to Update & Security section and pick Recovery on the left
- Under Reset this PC, select Get Started
- Pick Keep my files and Cloud download to finish.
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Restoro – a patented specialized Windows repair program. It will diagnose your damaged PC. It will scan all System Files, DLLs and Registry Keys that have been damaged by security threats.Mac Washing Machine X9 – a patented specialized Mac OS X repair program. It will diagnose your damaged computer. It will scan all System Files and Registry Keys that have been damaged by security threats.
This patented repair process uses a database of 25 million components that can replace any damaged or missing file on user’s computer.
To repair damaged system, you have to purchase the licensed version of Restoro malware removal tool.To repair damaged system, you have to purchase the licensed version of Mac Washing Machine X9 malware removal tool.
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- Remove From My Forums
-
Question
-
<re-posted this in it’s own thread, since I believe it is totally un-related to my original problem.
VS 2010, Win 7, i5 processor, but targeting x86 for app., tested under PowerShell X86 and PowerShell x64
I’m getting the error:
Debug Assertion Failed!
File: f:ddvctoolscrt_bldself_x86crtsrcfgets.c
Line: 57
Expression: (str != NULL)
For information on how your program can cause an assertion failure, see the Visual C++ documentation on asserts.
<But only when I run myprogram.exe from Explore Double Click and/or PowerShell Script>. The program runs just fine within Visual Studio 2010. I’m baffled by how I can cause fgets.c to fail.
Below is my code and I’ve bolded the line in my code identified in the Call Stack when I select debug of the Error:
static void readDictionary()
{
char *lastWord = “”
,x[200]
;
char buffer[2000];
sprintf( buffer, “%s\%s”, <directory>, <file> );
FILE *input = fopen( buffer, “r”);
// — establish position for Proper Nounsdictionary.push_back( new Dictionary( “”, 1 )); // the NOUN
// — read in the punctuation
while (fgets( x, 200, input) != NULL)
{
char entry[20];
sprintf( entry, “%c”, x[0]);
dictionary.push_back( new Dictionary( _strdup(entry), 4096 )); // the Punctuationif (x[0] == ‘?’)
break;
}<…>
}
Thanks in advance.
billwa992
Answers
-
On 8/9/2011 4:08 PM, billwa992 wrote:
So how do I tell Visual Studio to execute in a different home directory
Project | Properties | Debugging | Working Directory
or place the exe in a specific directory.
Project | Properties | General | Output Directory
Igor Tandetnik
-
Marked as answer by
Tuesday, August 9, 2011 8:56 PM
-
Marked as answer by