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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2023-05-08 09:35:57 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2023-05-08 09:35:57 (GMT) |
| commit | 0d8a08dbf1d766bcd778253199b782a231a202e7 (patch) | |
| tree | 241f416217b98adc7b64a208c548f4dd0ac880b3 /generic/tclOOInt.h | |
| parent | 4dcdd51adbe299efe67dc9aa9c2034df855aef28 (diff) | |
| download | tcl-0d8a08dbf1d766bcd778253199b782a231a202e7.zip tcl-0d8a08dbf1d766bcd778253199b782a231a202e7.tar.gz tcl-0d8a08dbf1d766bcd778253199b782a231a202e7.tar.bz2 | |
Proposed fix for [96551aca55]: Avoid pointer arithmetic with NULL in FOREACH_STRUCT()
Diffstat (limited to 'generic/tclOOInt.h')
| -rw-r--r-- | generic/tclOOInt.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/generic/tclOOInt.h b/generic/tclOOInt.h index 725c4ce..8a19f74 100644 --- a/generic/tclOOInt.h +++ b/generic/tclOOInt.h @@ -589,12 +589,12 @@ MODULE_SCOPE void TclOOSetupVariableResolver(Tcl_Namespace *nsPtr); /* * A variation where the array is an array of structs. There's no issue with * possible NULLs; every element of the array will be iterated over and the - * varable set to a pointer to each of those elements in turn. + * variable set to a pointer to each of those elements in turn. * REQUIRES DECLARATION: int i; */ #define FOREACH_STRUCT(var,ary) \ - for(i=0 ; var=&((ary).list[i]), i<(ary).num; i++) + if ((ary).num > 0) for(i=0; var=&((ary).list[i]), i<(ary).num; i++) /* * Convenience macros for iterating through hash tables. FOREACH_HASH_DECLS |