libexplain/tmpfile_on_error.c File Reference

#include <libexplain/ac/errno.h>
#include <libexplain/ac/stdio.h>
#include <libexplain/buffer/errno/tmpfile.h>
#include <libexplain/tmpfile.h>
#include <libexplain/output.h>

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Functions
FILE *	explain_tmpfile_on_error (void)

---

Function Documentation

FILE* explain_tmpfile_on_error

(

void

)

The explain_tmpfile_on_error function is used to call the tmpfile(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_tmpfile(3) function.

Returns:

The value returned by the wrapped tmpfile(3) system call.

Example:

This function is intended to be used in a fashion similar to the following example:

 FILE *result = explain_tmpfile_on_error();
 if (!result)
 {
     ...cope with error
     ...no need to print error message
 }

Definition at line 28 of file tmpfile_on_error.c.