Author: araujo
Date: Tue Apr 19 02:05:32 2016
New Revision: 298241
URL: https://svnweb.freebsd.org/changeset/base/298241
Log:
Use NULL instead of 0 for pointers.
realloc will return NULL in case it cannot allocate memory.
MFC after: 2 weeks.
Modified:
head/usr.bin/lex/initparse.c
head/usr.bin/lex/initscan.c
Modified: head/usr.bin/lex/initparse.c
==============================================================================
--- head/usr.bin/lex/initparse.c Tue Apr 19 02:00:48 2016
(r298240)
+++ head/usr.bin/lex/initparse.c Tue Apr 19 02:05:32 2016
(r298241)
@@ -680,14 +680,14 @@ static int yygrowstack(YYSTACKDATA *data
i = data->s_mark - data->s_base;
newss = (short *)realloc(data->s_base, newsize * sizeof(*newss));
- if (newss == 0)
+ if (newss == NULL)
return -1;
data->s_base = newss;
data->s_mark = newss + i;
newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
- if (newvs == 0)
+ if (newvs == NULL)
return -1;
data->l_base = newvs;
@@ -721,7 +721,7 @@ YYPARSE_DECL()
#if YYDEBUG
const char *yys;
- if ((yys = getenv("YYDEBUG")) != 0)
+ if ((yys = getenv("YYDEBUG")) != NULL)
{
yyn = *yys;
if (yyn >= '0' && yyn <= '9')
Modified: head/usr.bin/lex/initscan.c
==============================================================================
--- head/usr.bin/lex/initscan.c Tue Apr 19 02:00:48 2016 (r298240)
+++ head/usr.bin/lex/initscan.c Tue Apr 19 02:05:32 2016 (r298241)
@@ -3455,7 +3455,7 @@ YY_RULE_SETUP
}
nmstr[yyleng - 2 - end_is_ws] = '\0'; /* chop trailing brace */
- if ( (nmdefptr = ndlookup( nmstr )) == 0 )
+ if ( (nmdefptr = ndlookup( nmstr )) == NULL )
format_synerr(
_( "undefined definition {%s}" ),
nmstr );
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