Introduce a static function to generate the part of headers that always have the same structure,
track the last fread_section_header call in the file context to be able to generate a suitable error code if the user does not follow the required reading workflow,
generalize the macros for non-collective errors to handle non-collective code on a fixed but arbitrary rank and
scda: Write and read inline file sections
This PR continues the implementation of the scda file format (cf. https://github.com/cburstedde/libsc/pull/197 and https://github.com/cburstedde/libsc/pull/193) by implementing
fwrite_inline,fread_section_headerfor the case of an inline file section andfread_inline_data. Moreover, this PR contains in particular the following changes:fread_section_headercall in the file context to be able to generate a suitable error code if the user does not follow the required reading workflow,