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Diffstat (limited to 'src/map/script.c')
-rw-r--r--src/map/script.c82
1 files changed, 74 insertions, 8 deletions
diff --git a/src/map/script.c b/src/map/script.c
index 353d57a67..02cb223b2 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -83,12 +83,15 @@
struct script_interface script_s;
struct script_interface *script;
+static inline int GETVALUE(const struct script_buf *buf, int i) __attribute__((nonnull (1)));
static inline int GETVALUE(const struct script_buf *buf, int i)
{
Assert_ret(VECTOR_LENGTH(*buf) > i + 2);
return (int)MakeDWord(MakeWord(VECTOR_INDEX(*buf, i), VECTOR_INDEX(*buf, i+1)),
MakeWord(VECTOR_INDEX(*buf, i+2), 0));
}
+
+static inline void SETVALUE(struct script_buf *buf, int i, int n) __attribute__((nonnull (1)));
static inline void SETVALUE(struct script_buf *buf, int i, int n)
{
Assert_retv(VECTOR_LENGTH(*buf) > i + 2);
@@ -158,6 +161,7 @@ const char* script_op2name(int op) {
static void script_dump_stack(struct script_state* st)
{
int i;
+ nullpo_retv(st);
ShowMessage("\tstart = %d\n", st->start);
ShowMessage("\tend = %d\n", st->end);
ShowMessage("\tdefsp = %d\n", st->stack->defsp);
@@ -200,6 +204,7 @@ static void script_dump_stack(struct script_state* st)
void script_reportsrc(struct script_state *st) {
struct block_list* bl;
+ nullpo_retv(st);
if( st->oid == 0 )
return; //Can't report source.
@@ -304,7 +309,7 @@ void script_reportfunc(struct script_state* st)
/*==========================================
* Output error message
*------------------------------------------*/
-static void disp_error_message2(const char *mes,const char *pos,int report) analyzer_noreturn;
+static void disp_error_message2(const char *mes,const char *pos,int report) __attribute__((nonnull (1))) analyzer_noreturn;
static void disp_error_message2(const char *mes,const char *pos,int report) {
script->error_msg = aStrdup(mes);
script->error_pos = pos;
@@ -333,6 +338,7 @@ void check_event(struct script_state *st, const char *evt)
unsigned int calc_hash(const char* p) {
unsigned int h;
+ nullpo_ret(p);
#if defined(SCRIPT_HASH_DJB2)
h = 5381;
while( *p ) // hash*33 + c
@@ -368,6 +374,7 @@ unsigned int calc_hash_ci(const char* p) {
unsigned int h = 0;
#ifdef ENABLE_CASE_CHECK
+ nullpo_ret(p);
#if defined(SCRIPT_HASH_DJB2)
h = 5381;
while( *p ) // hash*33 + c
@@ -422,8 +429,10 @@ int script_search_str(const char* p)
return -1;
}
-void script_casecheck_clear_sub(struct casecheck_data *ccd) {
+void script_casecheck_clear_sub(struct casecheck_data *ccd)
+{
#ifdef ENABLE_CASE_CHECK
+ nullpo_retv(ccd);
if (ccd->str_data) {
aFree(ccd->str_data);
ccd->str_data = NULL;
@@ -453,6 +462,7 @@ const char *script_casecheck_add_str_sub(struct casecheck_data *ccd, const char
#ifdef ENABLE_CASE_CHECK
int len;
int h = script->calc_hash_ci(p);
+ nullpo_retr(NULL, ccd);
if (ccd->str_hash[h] == 0) {
//empty bucket, add new node here
ccd->str_hash[h] = ccd->str_num;
@@ -744,7 +754,9 @@ const char* script_skip_space(const char* p)
/// Skips a word.
/// A word consists of undercores and/or alphanumeric characters,
/// and valid variable prefixes/postfixes.
-const char* skip_word(const char* p) {
+const char* skip_word(const char* p)
+{
+ nullpo_retr(NULL, p);
// prefix
switch( *p ) {
case '@':// temporary char variable
@@ -775,6 +787,7 @@ int add_word(const char* p) {
size_t len;
int i;
+ nullpo_retr(0, p);
// Check for a word
len = script->skip_word(p) - p;
if( len == 0 )
@@ -805,6 +818,7 @@ const char* parse_callfunc(const char* p, int require_paren, int is_custom)
int func;
bool macro = false;
+ nullpo_retr(NULL, p);
// is need add check for arg null pointer below?
func = script->add_word(p);
if (script->str_data[func].type == C_FUNC) {
@@ -983,6 +997,7 @@ const char* parse_variable(const char* p)
const char *p2 = NULL;
const char *var = p;
+ nullpo_retr(NULL, p);
if( ( p[0] == '+' && p[1] == '+' && (type = C_ADD_PRE, true) ) // pre ++
|| ( p[0] == '-' && p[1] == '-' && (type = C_SUB_PRE, true) ) // pre --
) {
@@ -1162,9 +1177,12 @@ bool is_number(const char *p) {
*/
int script_string_dup(char *str)
{
- int len = (int)strlen(str);
+ int len;
int pos = script->string_list_pos;
+ nullpo_retr(pos, str);
+ len = (int)strlen(str);
+
while (pos+len+1 >= script->string_list_size) {
script->string_list_size += (1024*1024)/2;
RECREATE(script->string_list,char,script->string_list_size);
@@ -1183,6 +1201,7 @@ const char *parse_simpleexpr(const char *p)
{
p=script->skip_space(p);
+ nullpo_retr(NULL, p);
if (*p == ';' || *p == ',')
disp_error_message("parse_simpleexpr: unexpected end of expression",p);
if (*p == '(') {
@@ -1199,6 +1218,7 @@ const char *parse_simpleexpr(const char *p)
const char *parse_simpleexpr_paren(const char *p)
{
int i = script->syntax.curly_count - 1;
+ nullpo_retr(NULL, p);
if (i >= 0 && script->syntax.curly[i].type == TYPE_ARGLIST)
++script->syntax.curly[i].count;
@@ -1227,6 +1247,7 @@ const char *parse_simpleexpr_number(const char *p)
char *np = NULL;
long long lli;
+ nullpo_retr(NULL, p);
while (*p == '0' && ISDIGIT(p[1]))
p++; // Skip leading zeros, we don't support octal literals
@@ -1247,6 +1268,7 @@ const char *parse_simpleexpr_string(const char *p)
{
const char *start_point = p;
+ nullpo_retr(NULL, p);
do {
p++;
while (*p != '\0' && *p != '"') {
@@ -1337,6 +1359,7 @@ void script_add_translatable_string(const struct script_string_buf *string, cons
{
struct string_translation *st = NULL;
+ nullpo_retv(string);
if (script->syntax.translation_db == NULL
|| (st = strdb_get(script->syntax.translation_db, VECTOR_DATA(*string))) == NULL) {
script->addc(C_STR);
@@ -1376,6 +1399,7 @@ const char* script_parse_subexpr(const char* p,int limit)
{
int op,opl,len;
+ nullpo_retr(NULL, p);
p=script->skip_space(p);
if( *p == '-' ) {
@@ -1441,6 +1465,7 @@ const char* script_parse_subexpr(const char* p,int limit)
*------------------------------------------*/
const char* parse_expr(const char *p)
{
+ nullpo_retr(NULL, p);
switch(*p) {
case ')': case ';': case ':': case '[': case ']':
case '}':
@@ -1457,6 +1482,7 @@ const char* parse_line(const char* p)
{
const char* p2;
+ nullpo_retr(NULL, p);
p=script->skip_space(p);
if(*p==';') {
//Close decision for if(); for(); while();
@@ -1517,6 +1543,7 @@ const char* parse_line(const char* p)
// { ... } Closing process
const char* parse_curly_close(const char* p)
{
+ nullpo_retr(NULL, p);
if(script->syntax.curly_count <= 0) {
disp_error_message("parse_curly_close: unexpected string",p);
return p + 1;
@@ -1577,6 +1604,7 @@ const char* parse_syntax(const char* p)
{
const char *p2 = script->skip_word(p);
+ nullpo_retr(NULL, p);
switch(*p) {
case 'B':
case 'b':
@@ -2006,6 +2034,7 @@ const char* parse_syntax_close(const char *p) {
// If (...) for (...) hoge (); as to make sure closed closed once again
int flag;
+ nullpo_retr(NULL, p);
do {
p = script->parse_syntax_close_sub(p,&flag);
} while(flag);
@@ -2192,6 +2221,7 @@ bool script_get_constant(const char* name, int* value)
{
int n = script->search_str(name);
+ nullpo_retr(false, value);
if( n == -1 || script->str_data[n].type != C_INT )
{// not found or not a constant
return false;
@@ -2391,6 +2421,7 @@ void script_load_parameters(void)
const char* script_print_line(StringBuf* buf, const char* p, const char* mark, int line)
{
int i, mark_pos = 0, tabstop = TAB_SIZE;
+ nullpo_retr(NULL, p);
if( p == NULL || !p[0] ) return NULL;
if( line < 0 )
StrBuf->Printf(buf, "*%5d: ", -line); // len = 8
@@ -2706,6 +2737,7 @@ struct script_code* parse_script(const char *src,const char *file,int line,int o
struct map_session_data *script_rid2sd(struct script_state *st)
{
struct map_session_data *sd;
+ nullpo_retr(NULL, st);
if( !( sd = map->id2sd(st->rid) ) ) {
ShowError("script_rid2sd: fatal error ! player not attached!\n");
script->reportfunc(st);
@@ -2756,6 +2788,7 @@ char *get_val_npcscope_str(struct script_state* st, struct reg_db *n, struct scr
}
char *get_val_instance_str(struct script_state* st, const char* name, struct script_data* data) {
+ nullpo_retr(NULL, st);
if (st->instance_id >= 0) {
return (char*)i64db_get(instance->list[st->instance_id].regs.vars, reference_getuid(data));
} else {
@@ -2923,6 +2956,7 @@ struct script_data *get_val(struct script_state* st, struct script_data* data) {
const void *get_val2(struct script_state *st, int64 uid, struct reg_db *ref)
{
struct script_data* data;
+ nullpo_retr(NULL, st);
script->push_val(st->stack, C_NAME, uid, ref);
data = script_getdatatop(st, -1);
script->get_val(st, data);
@@ -2938,9 +2972,12 @@ const void *get_val2(struct script_state *st, int64 uid, struct reg_db *ref)
void script_array_ensure_zero(struct script_state *st, struct map_session_data *sd, int64 uid, struct reg_db *ref) {
const char *name = script->get_str(script_getvarid(uid));
// is here st can be null pointer and st->rid is wrong?
- struct reg_db *src = script->array_src(st, sd ? sd : st->rid ? map->id2sd(st->rid) : NULL, name, ref);
+ struct reg_db *src;
bool insert = false;
+ nullpo_retv(st);
+ src = script->array_src(st, sd ? sd : st->rid ? map->id2sd(st->rid) : NULL, name, ref);
+
if (sd && !st) {
/* when sd comes, st isn't available */
insert = true;
@@ -3022,6 +3059,8 @@ int script_free_array_db(union DBKey key, struct DBData *data, va_list ap)
* Clears script_array and removes it from script->array_db
**/
void script_array_delete(struct reg_db *src, struct script_array *sa) {
+ nullpo_retv(src);
+ nullpo_retv(sa);
aFree(sa->members);
idb_remove(src->arrays, sa->id);
ers_free(script->array_ers, sa);
@@ -3034,6 +3073,7 @@ void script_array_delete(struct reg_db *src, struct script_array *sa) {
void script_array_remove_member(struct reg_db *src, struct script_array *sa, unsigned int idx) {
unsigned int i, cursor;
+ nullpo_retv(sa);
/* its the only member left, no need to do anything other than delete the array data */
if( sa->size == 1 ) {
script->array_delete(src,sa);
@@ -3058,8 +3098,8 @@ void script_array_remove_member(struct reg_db *src, struct script_array *sa, uns
* @param idx the index of the array member being inserted
**/
void script_array_add_member(struct script_array *sa, unsigned int idx) {
+ nullpo_retv(sa);
RECREATE(sa->members, unsigned int, ++sa->size);
-
sa->members[sa->size - 1] = idx;
}
/**
@@ -3069,11 +3109,13 @@ void script_array_add_member(struct script_array *sa, unsigned int idx) {
struct reg_db *script_array_src(struct script_state *st, struct map_session_data *sd, const char *name, struct reg_db *ref) {
struct reg_db *src = NULL;
+ nullpo_retr(NULL, name);
switch( name[0] ) {
/* from player */
default: /* char reg */
case '@':/* temp char reg */
case '#':/* account reg */
+ nullpo_retr(NULL, sd);
src = &sd->regs;
break;
case '$':/* map reg */
@@ -3086,6 +3128,7 @@ struct reg_db *script_array_src(struct script_state *st, struct map_session_data
src = (name[1] == '@') ? &st->stack->scope : &st->script->local;
break;
case '\'':/* instance */
+ nullpo_retr(NULL, st);
if( st->instance_id >= 0 ) {
src = &instance->list[st->instance_id].regs;
}
@@ -3112,6 +3155,7 @@ void script_array_update(struct reg_db *src, int64 num, bool empty) {
int id = script_getvarid(num);
unsigned int index = script_getvaridx(num);
+ nullpo_retv(src);
if (!src->arrays) {
src->arrays = idb_alloc(DB_OPT_BASE);
} else {
@@ -3151,6 +3195,7 @@ void set_reg_npcscope_str(struct script_state* st, struct reg_db *n, int64 num,
{
if (n)
{
+ nullpo_retv(str);
if (str[0]) {
i64db_put(n->vars, num, aStrdup(str));
if (script_getvaridx(num))
@@ -3180,6 +3225,7 @@ void set_reg_npcscope_num(struct script_state* st, struct reg_db *n, int64 num,
void set_reg_instance_str(struct script_state* st, int64 num, const char* name, const char *str)
{
+ nullpo_retv(st);
if (st->instance_id >= 0) {
if (str[0]) {
i64db_put(instance->list[st->instance_id].regs.vars, num, aStrdup(str));
@@ -3198,6 +3244,7 @@ void set_reg_instance_str(struct script_state* st, int64 num, const char* name,
void set_reg_instance_num(struct script_state* st, int64 num, const char* name, int val)
{
+ nullpo_retv(st);
if (st->instance_id >= 0) {
if (val != 0) {
i64db_iput(instance->list[st->instance_id].regs.vars, num, val);
@@ -3230,7 +3277,10 @@ void set_reg_instance_num(struct script_state* st, int64 num, const char* name,
*------------------------------------------*/
int set_reg(struct script_state *st, struct map_session_data *sd, int64 num, const char *name, const void *value, struct reg_db *ref)
{
- char prefix = name[0];
+ char prefix;
+ nullpo_ret(st);
+ nullpo_ret(name);
+ prefix = name[0];
if (strlen(name) > SCRIPT_VARNAME_LENGTH) {
ShowError("script:set_reg: variable name too long. '%s'\n", name);
@@ -3418,6 +3468,7 @@ int conv_num(struct script_state *st, struct script_data *data)
/// Increases the size of the stack
void stack_expand(struct script_stack* stack) {
+ nullpo_retv(stack);
stack->sp_max += 64;
stack->stack_data = (struct script_data*)aRealloc(stack->stack_data,
stack->sp_max * sizeof(stack->stack_data[0]) );
@@ -3427,6 +3478,7 @@ void stack_expand(struct script_stack* stack) {
/// Pushes a value into the stack (with reference)
struct script_data* push_val(struct script_stack* stack, enum c_op type, int64 val, struct reg_db *ref) {
+ nullpo_retr(NULL, stack);
if( stack->sp >= stack->sp_max )
script->stack_expand(stack);
stack->stack_data[stack->sp].type = type;
@@ -3439,6 +3491,7 @@ struct script_data* push_val(struct script_stack* stack, enum c_op type, int64 v
/// Pushes a string into the stack
struct script_data *push_str(struct script_stack *stack, char *str)
{
+ nullpo_retr(NULL, stack);
if( stack->sp >= stack->sp_max )
script->stack_expand(stack);
stack->stack_data[stack->sp].type = C_STR;
@@ -3451,6 +3504,7 @@ struct script_data *push_str(struct script_stack *stack, char *str)
/// Pushes a constant string into the stack
struct script_data *push_conststr(struct script_stack *stack, const char *str)
{
+ nullpo_retr(NULL, stack);
if( stack->sp >= stack->sp_max )
script->stack_expand(stack);
stack->stack_data[stack->sp].type = C_CONSTSTR;
@@ -3462,6 +3516,7 @@ struct script_data *push_conststr(struct script_stack *stack, const char *str)
/// Pushes a retinfo into the stack
struct script_data* push_retinfo(struct script_stack* stack, struct script_retinfo* ri, struct reg_db *ref) {
+ nullpo_retr(NULL, stack);
if( stack->sp >= stack->sp_max )
script->stack_expand(stack);
stack->stack_data[stack->sp].type = C_RETINFO;
@@ -3473,6 +3528,7 @@ struct script_data* push_retinfo(struct script_stack* stack, struct script_retin
/// Pushes a copy of the target position into the stack
struct script_data* push_copy(struct script_stack* stack, int pos) {
+ nullpo_retr(NULL, stack);
switch( stack->stack_data[pos].type ) {
case C_CONSTSTR:
return script->push_conststr(stack, stack->stack_data[pos].u.str);
@@ -3497,10 +3553,13 @@ struct script_data* push_copy(struct script_stack* stack, int pos) {
/// Removes the values in indexes [start,end[ from the stack.
/// Adjusts all stack pointers.
void pop_stack(struct script_state* st, int start, int end) {
- struct script_stack* stack = st->stack;
+ struct script_stack* stack;
struct script_data* data;
int i;
+ nullpo_retv(st);
+ stack = st->stack;
+
if( start < 0 )
start = 0;
if( end > stack->sp )
@@ -3636,6 +3695,7 @@ struct script_state* script_alloc_state(struct script_code* rootscript, int pos,
///
/// @param st Script state
void script_free_state(struct script_state* st) {
+ nullpo_retv(st);
if( idb_exists(script->st_db,st->id) ) {
struct map_session_data *sd = st->rid ? map->id2sd(st->rid) : NULL;
@@ -3697,6 +3757,7 @@ void script_free_state(struct script_state* st) {
* @param ref[in] Reference to be added.
*/
void script_add_pending_ref(struct script_state *st, struct reg_db *ref) {
+ nullpo_retv(st);
RECREATE(st->pending_refs, struct reg_db*, ++st->pending_ref_count);
st->pending_refs[st->pending_ref_count-1] = ref;
}
@@ -4133,6 +4194,7 @@ int run_func(struct script_state *st)
struct script_data* data;
int i,start_sp,end_sp,func;
+ nullpo_retr(1, st);
end_sp = st->stack->sp;// position after the last argument
for( i = end_sp-1; i > 0 ; --i )
if( st->stack->stack_data[i].type == C_ARG )
@@ -4280,6 +4342,7 @@ int run_script_timer(int tid, int64 tick, int id, intptr_t data) {
void script_detach_state(struct script_state* st, bool dequeue_event) {
struct map_session_data* sd;
+ nullpo_retv(st);
if(st->rid && (sd = map->id2sd(st->rid))!=NULL) {
sd->st = st->bk_st;
sd->npc_id = st->bk_npcid;
@@ -4313,6 +4376,7 @@ void script_detach_state(struct script_state* st, bool dequeue_event) {
void script_attach_state(struct script_state* st) {
struct map_session_data* sd;
+ nullpo_retv(st);
if(st->rid && (sd = map->id2sd(st->rid))!=NULL)
{
if(st!=sd->st)
@@ -4348,6 +4412,7 @@ void run_script_main(struct script_state *st) {
struct script_stack *stack = st->stack;
struct npc_data *nd;
+ nullpo_retv(st);
script->attach_state(st);
nd = map->id2nd(st->oid);
@@ -4669,6 +4734,7 @@ int script_reg_destroy(union DBKey key, struct DBData *data, va_list ap)
}
return 0;
}
+//--------------------------------------------- stop here
/**
* Clears a single persistent variable
**/
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-17 17:39:23 +0000