Gilles Peskine 4c44990d65 Include common.h before system headers ...

In library source files, the order of things should be:

1. Define macros that affect the behavior of system headers, such as
   `_POSIX_C_SOURCE` and `_GNU_SOURCE`.
2. Include the library's common header: `common.h`.
   It takes care of many things, including defining the library
   configuration, granting access to private fields in structures, and
   activating platform-specific hacks.
3. Possibly a few header inclusions and macro definitions.
4. Guard everything else by `#if defined(MBEDTLS_XXX_C)` or some such.

Enforce this order in files that previously did things they shouldn't have
before including `common.h`. To locate the potentially
problematic files:

```
grep -m1 '^#' library/*.c | grep -v -F common.h
```

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>

2025-12-02 22:35:16 +01:00

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