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Overview
| Comment: | Define offsetof() macro for (very rare) platforms which don't have it. Don't punish developers for using offsetof() in extensions, forgetting that ... |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | core-8-6-branch |
| Files: | files | file ages | folders |
| SHA3-256: |
64dace1d9f7dbf9289aa9eb41f04f6ee |
| User & Date: | jan.nijtmans 2019-06-15 20:42:53 |
Context
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2019-06-16
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| 02:28 | Fix merge conflict in tk.tcl from services branch merge check-in: f656afba user: kevin_walzer tags: core-8-6-branch | |
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2019-06-15
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| 20:44 | merge-mark check-in: b0020c33 user: jan.nijtmans tags: trunk | |
| 20:42 | Define offsetof() macro for (very rare) platforms which don't have it. Don't punish developers for using offsetof() in extensions, forgetting that ... check-in: 64dace1d user: jan.nijtmans tags: core-8-6-branch | |
| 20:41 | Define offsetof() macro for (very rare) platforms which don't have it. Don't punish developers for using offsetof() in extensions, forgetting that ... check-in: ea8b4d11 user: jan.nijtmans tags: core-8-5-branch | |
| 20:02 | TIP 536: Improvements to Mac-specific IPC check-in: ded88b70 user: dkf tags: core-8-6-branch | |
Changes
Changes to generic/tk.h.
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} Tk_ObjCustomOption; /* * Macro to use to fill in "offset" fields of the Tk_OptionSpec structure. * Computes number of bytes from beginning of structure to a given field. */ #ifdef offsetof #define Tk_Offset(type, field) ((int) offsetof(type, field)) #else #define Tk_Offset(type, field) ((int) ((char *) &((type *) 0)->field)) #endif /* * The following two structures are used for error handling. When config * options are being modified, the old values are saved in a Tk_SavedOptions * structure. If an error occurs, then the contents of the structure can be * used to restore all of the old values. The contents of this structure are |
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} Tk_ObjCustomOption; /* * Macro to use to fill in "offset" fields of the Tk_OptionSpec structure. * Computes number of bytes from beginning of structure to a given field. */ #define Tk_Offset(type, field) ((int) offsetof(type, field)) /* Workaround for platforms missing offsetof(), e.g. VC++ 6.0 */ #ifndef offsetof # define offsetof(type, field) ((size_t) ((char *) &((type *) 0)->field)) #endif /* * The following two structures are used for error handling. When config * options are being modified, the old values are saved in a Tk_SavedOptions * structure. If an error occurs, then the contents of the structure can be * used to restore all of the old values. The contents of this structure are |