Hello all,
Regarding "C99, chapter 6.10.2 Source file inclusion" I have the
following question:
First it is said that the preprocessor directive must have the form
#include "q-char-sequence" new-line
Looking into the syntax diagrams, a q-char-sequence consists of
(surprise) q-chars, which are 'any member of the source character set
except the new-line character and " '.
Looking at 5.2.1 Character Sets, the source character set is described
as
- 26 uppercase letters
- 26 lowercase letters
- 10 decimal digits
- 29 graphic characters
Additionally in 6.10.2. there is some strange rule about the filenames:
"The implementation shall provide unique mappings for sequences
consisting of one or more letters or digits..."
For me it is not clear, if this is an additional limitation to the
syntax diagram. However, a new static code analyzer throws a warning if
there is some graphic character in the filename, so it does not accept
#include "l_test.h"
So, is it really not allowed to use graphic characters in include
filenames?
Thanks for all help
Siegmund
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