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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2024-04-26 11:27:58 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2024-04-26 11:27:58 (GMT) |
| commit | faed1d36850a2553a944ad121db1e99d437f543c (patch) | |
| tree | f17206db8d46812ee71eb8671a15bf09d273ce6c /generic | |
| parent | 0ab0962567b070c7108bac68afdfc380e7c994e4 (diff) | |
| download | tcl-faed1d36850a2553a944ad121db1e99d437f543c.zip tcl-faed1d36850a2553a944ad121db1e99d437f543c.tar.gz tcl-faed1d36850a2553a944ad121db1e99d437f543c.tar.bz2 | |
Proposed fix for [1e48483c8b]: Use of non-standard C code in TCLBOOLWARNING
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tclDecls.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/generic/tclDecls.h b/generic/tclDecls.h index c786392..2135911 100644 --- a/generic/tclDecls.h +++ b/generic/tclDecls.h @@ -4032,7 +4032,9 @@ extern const TclStubs *tclStubsPtr; #undef Tcl_GetIndexFromObjStruct #undef Tcl_GetBooleanFromObj #undef Tcl_GetBoolean -#ifdef __GNUC__ +#if !defined(__cplusplus) && !defined(BUILD_tcl) && !defined(BUILD_tk) +# define TCLBOOLWARNING(boolPtr) (int)(sizeof(struct {_Static_assert(sizeof(*(boolPtr)) <= sizeof(int), "sizeof(boolPtr) too large");int dummy;})*0) + +#elif defined(__GNUC__) /* If this gives: "error: size of array ‘_bool_Var’ is negative", it means that sizeof(*boolPtr)>sizeof(int), which is not allowed */ # define TCLBOOLWARNING(boolPtr) ({__attribute__((unused)) char _bool_Var[sizeof(*(boolPtr)) > sizeof(int) ? -1 : 1];}), #else |