pike.git/ src/ svalue.h

2016-11-12

2016-11-12 08:16:41 by Henrik Grubbström (Grubba) <grubba@grubba.org>

• 86ebe18a4e5596e1a84dc855049beafbceaa7c92 (11 lines) (+9/-2) ^{[ Show | Annotate ]}
  Branch: 8.1

Build [NT]: Test for C99-style struct initialization.

MSVC lagged in implementing the C99 standard, and apparently first
started supporting C99-style structure initialization in 2013.

Fixes compilation issues on NT (and other platforms with old compilers).

933:      /* The following macro is useful to initialize static svalues. . */   /* assumes sizeof void* >= all initialization arguments. */ + #ifdef HAVE_C99_STRUCT_INIT   #define SVALUE_INIT(TYPE, SUBTYPE, VAL) {.tu.type_subtype=TYPE_SUBTYPE(TYPE, SUBTYPE),.u.refs=(void*)VAL}    - #define SVALUE_INIT_INT(VAL) {.u.integer=VAL} - /* depends on t_int and number-number being 0 */ + /* Depends on T_INT and NUMBER_NUMBER being 0. */ + #define SVALUE_INIT_INT(VAL) {.tu.type_subtype=0,.u.integer=VAL} + #else /* !HAVE_C99_STRUCT_INIT */ + /* FIXME: Assumes that INT_TYPE and void * have the same size. */ + #define SVALUE_INIT(TYPE, SUBTYPE, VAL) {{{TYPE, SUBTYPE}}, {(INT_TYPE)(void*)VAL}} + #define SVALUE_INIT_INT(VAL) {{{PIKE_T_INT, NUMBER_NUMBER}}, {VAL}} + #endif /* !HAVE_C99_STRUCT_INIT */      #define SVALUE_INIT_FREE SVALUE_INIT(PIKE_T_FREE,0,0)      #endif /* !SVALUE_H */