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Use correct function declaration for yyerror

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According to the POSIX standard at
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/yacc.html
`yyerror` should return `int`. Add unreachable since errx never returns.

Reviewed by:	imp, kib
Differential Revision:	https://reviews.freebsd.org/D45447
This commit is contained in:
Dapeng Gao 2024-06-03 11:30:52 -06:00 committed by Warner Losh
parent e3537f9235
commit 5dda778db6
1 changed files with 4 additions and 2 deletions
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6
usr.sbin/config/config.y
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@ -88,7 +88,7 @@ int maxusers;
#define ns(s) strdup(s)
int include(const char *, int);
void yyerror(const char *s);
int yyerror(const char *s);
int yywrap(void);
static void newdev(char *name);
@ -299,11 +299,13 @@ NoDevice:
%%
void
int
yyerror(const char *s)
{
errx(1, "%s:%d: %s", yyfile, yyline + 1, s);
__unreachable();
return (0);
}
int