JehanneOS/mksh
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(anything *)0 -> NULL

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This commit is contained in:
tg
2004-12-18 19:22:30 +00:00
parent cbeac44097
commit d5ff21ea1d
25 changed files with 286 additions and 286 deletions
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40
syn.c
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@@ -1,4 +1,4 @@
/** $MirBSD: src/bin/ksh/syn.c,v 2.3 2004/12/18 18:58:30 tg Exp $ */
/** $MirBSD: src/bin/ksh/syn.c,v 2.4 2004/12/18 19:22:30 tg Exp $ */
/* $OpenBSD: syn.c,v 1.14 2003/10/22 07:40:38 jmc Exp $ */
/*
@@ -8,7 +8,7 @@
#include "sh.h"
#include "c_test.h"
__RCSID("$MirBSD: src/bin/ksh/syn.c,v 2.3 2004/12/18 18:58:30 tg Exp $");
__RCSID("$MirBSD: src/bin/ksh/syn.c,v 2.4 2004/12/18 19:22:30 tg Exp $");
struct nesting_state {
int start_token; /* token than began nesting (eg, FOR) */
@@ -72,7 +72,7 @@ yyparse(void)
if (c == 0 && !outtree)
outtree = newtp(TEOF);
else if (c != '\n' && c != 0)
syntaxerr((char *) 0);
syntaxerr(NULL);
}
static struct op *
@@ -84,7 +84,7 @@ pipeline(int cf)
if (t != NULL) {
while (token(0) == '|') {
if ((p = get_command(CONTIN)) == NULL)
syntaxerr((char *) 0);
syntaxerr(NULL);
if (tl == NULL)
t = tl = block(TPIPE, t, p, NOWORDS);
else
@@ -105,7 +105,7 @@ andor(void)
if (t != NULL) {
while ((c = token(0)) == LOGAND || c == LOGOR) {
if ((p = pipeline(CONTIN)) == NULL)
syntaxerr((char *) 0);
syntaxerr(NULL);
t = block(c == LOGAND? TAND: TOR, t, p, NOWORDS);
}
REJECT;
@@ -178,7 +178,7 @@ static void
musthave(int c, int cf)
{
if ((token(cf)) != c)
syntaxerr((char *) 0);
syntaxerr(NULL);
}
static struct op *
@@ -261,7 +261,7 @@ get_command(int cf)
/* Must be a function */
if (iopn != 0 || XPsize(args) != 1
|| XPsize(vars) != 0)
syntaxerr((char *) 0);
syntaxerr(NULL);
ACCEPT;
/*(*/
musthave(')', 0);
@@ -360,8 +360,8 @@ get_command(int cf)
case BANG:
syniocf &= ~(KEYWORD|ALIAS);
t = pipeline(0);
if (t == (struct op *) 0)
syntaxerr((char *) 0);
if (t == NULL)
syntaxerr(NULL);
t = block(TBANG, NOBLOCK, t, NOWORDS);
break;
@@ -423,7 +423,7 @@ dogroup(void)
else if (c == '{')
c = '}';
else
syntaxerr((char *) 0);
syntaxerr(NULL);
list = c_list(TRUE);
musthave(c, KEYWORD|ALIAS);
return list;
@@ -438,7 +438,7 @@ thenpart(void)
t = newtp(0);
t->left = c_list(TRUE);
if (t->left == NULL)
syntaxerr((char *) 0);
syntaxerr(NULL);
t->right = elsepart();
return (t);
}
@@ -451,7 +451,7 @@ elsepart(void)
switch (token(KEYWORD|ALIAS|VARASN)) {
case ELSE:
if ((t = c_list(TRUE)) == NULL)
syntaxerr((char *) 0);
syntaxerr(NULL);
return (t);
case ELIF:
@@ -479,7 +479,7 @@ caselist(void)
else if (c == '{')
c = '}';
else
syntaxerr((char *) 0);
syntaxerr(NULL);
t = tl = NULL;
while ((tpeek(CONTIN|KEYWORD|ESACONLY)) != c) { /* no ALIAS here */
struct op *tc = casepart(c);
@@ -557,7 +557,7 @@ function_body(char *name, int ksh_func)
old_func_parse = e->flags & EF_FUNC_PARSE;
e->flags |= EF_FUNC_PARSE;
if ((t->left = get_command(CONTIN)) == (struct op *) 0) {
if ((t->left = get_command(CONTIN)) == NULL) {
/*
* Probably something like foo() followed by eof or ;.
* This is accepted by sh and ksh88.
@@ -570,9 +570,9 @@ function_body(char *name, int ksh_func)
t->left->args[0][0] = CHAR;
t->left->args[0][1] = ':';
t->left->args[0][2] = EOS;
t->left->args[1] = (char *) 0;
t->left->args[1] = NULL;
t->left->vars = (char **) alloc(sizeof(char *), ATEMP);
t->left->vars[0] = (char *) 0;
t->left->vars[0] = NULL;
t->left->lineno = 1;
}
if (!old_func_parse)
@@ -597,7 +597,7 @@ wordlist(void)
while ((c = token(0)) == LWORD)
XPput(args, yylval.cp);
if (c != '\n' && c != ';')
syntaxerr((char *) 0);
syntaxerr(NULL);
if (XPsize(args) == 0) {
XPfree(args);
return NULL;
@@ -703,7 +703,7 @@ syntaxerr(const char *what)
/*NOTREACHED*/
case LWORD:
s = snptreef((char *) 0, 32, "%S", yylval.cp);
s = snptreef(NULL, 32, "%S", yylval.cp);
break;
case REDIR:
@@ -830,7 +830,7 @@ dbtestp_isa(Test_env *te, Test_meta meta)
{
int c = tpeek(ARRAYVAR | (meta == TM_BINOP ? 0 : CONTIN));
int uqword = 0;
char *save = (char *) 0;
char *save = NULL;
int ret = 0;
/* unquoted word? */
@@ -876,7 +876,7 @@ dbtestp_getopnd(Test_env *te, Test_op op GCC_FUNC_ATTR(unused),
int c = tpeek(ARRAYVAR);
if (c != LWORD)
return (const char *) 0;
return NULL;
ACCEPT;
XPput(*te->pos.av, yylval.cp);