[Issue 4911] Bad error messages from attempts to write into read-only File

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4911



--- Comment #2 from bearophile_hugs at eml.cc 2011-06-26 05:20:49 PDT ---
In DMD 2.053 this program:

import std.stdio: File;
void foo() {
    auto f = File("test.raw", "r");
    f.write("hello");
}
void bar() {
    foo();
}
void main() {
    bar();
}

Gives the error message:

std.exception.ErrnoException at std\stdio.d(286): Cannot open file `test.raw' in
mode `r' (No such file or directory)
----------------
...\test.d(8): void test.bar()
...\test.d(10): _Dmain
----------------


I think this is as good as it gets, unless a function to find the line number
and module name of the precedent stack frame is used at the exception point, so
I close this bug report.

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