Encoding of files generated by f2py-f90wrap

[Bertrand Putigny]

Hello,

I have an issue with f2py-f90wrap wrapper script: files generated by this script do not seem to have the correct encoding. It results in the following error when they get compiled:

PGC-S-0024-Illegal character constant (/tmp/tmpy0fk3koa/src.linux-ppc64le-3.7/_pymylibmodule.c: 37)

The code section causing the issue is the following:

void f90wrap_abort_(char *message, int len_message)
{
  strncpy(abort_message, message, len_message);
  abort_message[len_message] = '^@';
  longjmp(environment_buffer, 0);
}

I don't know how this ^@ got here... Since in the f2py-f90wrap script it is a regular \0 that is inserted. Anyway I managed to have things working as expected by replacing the '\0' by a simple 0 (line 88 and 97 of f2py-f90wrap).

I believe this is an encoding error:

$ file /tmp/tmpy0fk3koa/src.linux-ppc64le-3.7/_pymylibmodule.c
/tmp/tmpy0fk3koa/src.linux-ppc64le-3.7/_pymylibmodule.c: data

But other generated files seems to have the correct encoding:

file f90wrap_m_scalar_field.f90
f90wrap_m_scalar_field.f90: ASCII text

I am using:

• PGI compiler for C and Fortran (version 19.9-0)
• numpy 1.18.2
• f90wrap v0.2.2

Do you have any idea where things can go wrong?
Best,
Bertrand

[James Kermode]

Thanks for reporting, I agree this looks like an encoding error. I'll see if I can reproduce.