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Allow wpp users to undefine previously defined symbols.

This commit is contained in:
Dimitrie O. Paun 2003-03-27 18:50:14 +00:00 committed by Alexandre Julliard
parent 8794935e12
commit c7a3480223
4 changed files with 13 additions and 5 deletions
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6
tools/wpp/preproc.c
View File

@ -99,7 +99,7 @@ char *pp_xstrdup(const char *str)
}
/* Don't comment on the hash, its primitive but functional... */
int pphash(char *str)
static int pphash(const char *str)
{
int sum = 0;
while(*str)
@ -107,7 +107,7 @@ int pphash(char *str)
return sum % HASHKEY;
}
pp_entry_t *pplookup(char *ident)
pp_entry_t *pplookup(const char *ident)
{
int idx = pphash(ident);
pp_entry_t *ppp;
@ -120,7 +120,7 @@ pp_entry_t *pplookup(char *ident)
return NULL;
}
void pp_del_define(char *name)
void pp_del_define(const char *name)
{
int idx;
pp_entry_t *ppp;

7
tools/wpp/wpp.c
View File

@ -58,6 +58,13 @@ void wpp_add_define( const char *name, const char *value )
}
/* undefine a previously added definition */
void wpp_del_define( const char *value )
{
pp_del_define( value );
}
/* add a command-line define of the form NAME=VALUE */
void wpp_add_cmdline_define( const char *value )
{

1
tools/wpp/wpp.h
View File

@ -24,6 +24,7 @@
#include <stdio.h>
extern void wpp_add_define( const char *name, const char *value );
extern void wpp_del_define( const char *name );
extern void wpp_add_cmdline_define( const char *value );
extern void wpp_set_debug( int lex_debug, int parser_debug, int msg_debug );
extern void wpp_set_pedantic( int on );

4
tools/wpp/wpp_private.h
View File

@ -194,10 +194,10 @@ typedef struct cval {
void *pp_xmalloc(size_t);
void *pp_xrealloc(void *, size_t);
char *pp_xstrdup(const char *str);
pp_entry_t *pplookup(char *ident);
pp_entry_t *pplookup(const char *ident);
pp_entry_t *pp_add_define(char *def, char *text);
pp_entry_t *pp_add_macro(char *ident, marg_t *args[], int nargs, mtext_t *exp);
void pp_del_define(char *name);
void pp_del_define(const char *name);
FILE *pp_open_include(const char *name, int search, char **newpath);
void pp_push_if(pp_if_state_t s);
void pp_next_if_state(int);