Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
In C++ how can I determine if the program has either read-only access or read-write access to a file? I searched the boost filesystem library but I have yet to find something to help me. Right now I thinking of opening the file, trying to write inside and check for error, but that doesn’t seem a very appropriate way of doing this.
Any clue?
EDIT : it would need to be cross platform
At the end of the day, the only way to test if you can write data to a file on a modern OS is to actually try to write it. Lots of things could have happened to the file between tests for permission and the actual write.