Top "Errno" questions

Write to /tmp directory in aws lambda with python

Goal I'm trying to write a zip file to the /tmp folder in a python aws lambda, so I can …

python amazon-web-services lambda errno tmp

error: use of undeclared identifier 'errno_t'

Here is my dead simple dummy code: #include <errno.h> int main(void) { errno_t e; return 0; } Which …

c clang c11 errno tr24731

In which header file are EINVAL, ENOMEM, etc. defined in Linux?

It’s said that the error numbers like EINVAL, ENOMEM, etc. are defined in errno.h, but I can’t …

c linux errno

MY SQL - Error Code: 1010. Error dropping database (can't rmdir; errno: 13)

When trying to drop a database in MySQL 'DROP DATABASE IF EXISTS temporarydata' I am getting the following error Error …

mysql windows errno rmdir

What's the meaning of the %m formatting specifier?

The output for this code printed out ‘Success’. printf("%m\n");

c printf glibc errno format-specifiers

Bind error (99): Cannot assign requested address

I am trying to get the following piece of code working but receiving the above error. I am reasonably sure …

c sockets bind errno

Why return a negative errno? (e.g. return -EIO)

Another simple example: if (wpa_s->mlme.ssid_len == 0) return -EINVAL; Why the unary minus? Is this (usually) done …

c return-value errno

How to detect if errno_t is defined?

I'm compiling code using gcc that comes from Visual C++ 2008. The code is using errno_t, but in some versions …

c++ typedef errno

Should I set errno?

I'm writing a module which exports an interface similar to send and recv. Since those functions are supposed to return …

c errno

Get Errno from Python Requests ConnectionError?

I'm catching and printing Python Requests ConnectionErrors fine with just this: except requests.exceptions.ConnectionError as e: logger.warning(str(…

python python-2.7 exception-handling python-requests errno