Glynn Clements pisze:
Jarosław Jasiewicz wrote:
Can I use in module prepared for GRASS such constructions:
typedef enum {
AND, /* & */
OR, /* | */
NOT, /* ~ */
IS, /* = */
THEN, /* : */
LBRC, /* ( */
RBRC, /* ) */
START, /* { */
STOP, /* } */
MAP, /* mapname */
VAR, /* variable name */
size /* number of tokens */
} tokens;
char parseTab [size][size] = { /* parser table definition is here */
};
I mean type enum and enum size variable to initialize table. It compiles
on gcc 4.3 but, as I know GRASS has restriction and I'm not sure if such
is fully allowed.
In general, if it's valid C89 (use "gcc -std=c89 ..." to check), then
it's fine. Any use of gcc extensions or C99-specific features must be
conditional, with a fallback if those features aren't available.
Similarly, use of functions which aren't specified by C89 should be
conditionalised (non-C89 functions which are specified by POSIX are
okay provided that they're available on Linux, Windows and MacOSX).
Ok, thanks Glynn. It means I shoud be OK, but I didn't find typedef enum
... in any fo GRASS code, so I asked.
Jarek.
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