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bison: avoid warnings from static code analysis

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A static analysis tool reports that some callers of symbol_list_n_get
might get NULL and not handle it properly.  This is not the case, yet
we can suppress this pattern.

Reported by Mike Sullivan.
<https://lists.gnu.org/archive/html/bug-bison/2013-12/msg00027.html>

* src/symlist.c (symbol_list_n_get): Actually it is never called
to return 0.  Enforce this postcondition via aver.
(symbol_list_n_type_name_get): Simplify accordingly.  In particular,
discards a (translated) useless error message.
* src/symlist.h: Adjust documentation.
* src/scan-code.l: Style change.
This commit is contained in:
Akim Demaille
2015-01-09 14:21:09 +01:00
parent ee028dceff
commit 671850a1c3
5 changed files with 13 additions and 23 deletions
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po/POTFILES.in
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@@ -15,7 +15,6 @@ src/reduce.c
src/scan-code.l
src/scan-gram.l
src/scan-skel.l
src/symlist.c
src/symtab.c
djgpp/subpipe.c