- Cleaned atcommand_param against overflows and also to make it standard C so it may compile with the Borland C.

- Modified Charcommand_stats to make it standard C as well.


git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@6037 54d463be-8e91-2dee-dedb-b68131a5f0ec

1 files changed, 26 insertions, 17 deletions

diff --git a/src/map/atcommand.c b/src/map/atcommand.c
index a6751cb85..e62c9a71a 100644
--- a/src/map/atcommand.c
+++ b/src/map/atcommand.c
@@ -4135,13 +4135,18 @@ int atcommand_param(
 	const int fd, struct map_session_data* sd,

 	const char* command, const char* message)

 {

-	int i, index, value = 0, new_value;

+	int index, value = 0, new_value, max;

 	const char* param[] = { "@str", "@agi", "@vit", "@int", "@dex", "@luk", NULL };

-	short* status[] = {

-		&sd->status.str,  &sd->status.agi, &sd->status.vit,

-		&sd->status.int_, &sd->status.dex, &sd->status.luk

-	};

+	short* status[6];

+ 	//We don't use direct initialization because it isn't part of the C standard.

 	nullpo_retr(-1, sd);

+	

+	status[0] = &sd->status.str;

+	status[1] = &sd->status.agi;

+	status[2] = &sd->status.vit;

+	status[3] = &sd->status.int_;

+	status[4] = &sd->status.dex;

+	status[5] = &sd->status.luk;

 

 	memset(atcmd_output, '\0', sizeof(atcmd_output));

 

@@ -4152,24 +4157,28 @@ int atcommand_param(
 	}

 

 	index = -1;

-	for (i = 0; param[i] != NULL; i++) {

-		if (strcmpi(command, param[i]) == 0) {

-			index = i;

+	for (index = 0; index < sizeof(param)/sizeof(param[0]); index++) {

+		if (strcmpi(command, param[index]) == 0)

 			break;

-		}

 	}

-	if (index < 0 || index > MAX_STATUS_TYPE) { // normaly impossible...

+	if (index == sizeof(param)/sizeof(param[0]) || index > MAX_STATUS_TYPE) {

+		// normaly impossible...

 		sprintf(atcmd_output, "Please, enter a valid value (usage: @str,@agi,@vit,@int,@dex,@luk <+/-adjustement>).");

 		clif_displaymessage(fd, atcmd_output);

 		return -1;

 	}

-

-	new_value = (int)*status[index] + value;

-	if (value > 0 && (value > pc_maxparameter(sd) || new_value > pc_maxparameter(sd))) // fix positiv overflow

-		new_value = pc_maxparameter(sd); 

-	else if (value < 0 && (value < -(int)pc_maxparameter(sd) || new_value < 1)) // fix negativ overflow

-		new_value = 1;

-

+	if (value >0) {

+		max = pc_maxparameter(sd);

+		if (*status[index] > max - value)

+			new_value = max;

+		else

+			new_value = *status[index] + value;

+	} else {

+		if (*status[index] <= -value)

+			new_value = 1;

+		else

+			new_value = *status[index] + value;

+	}

 	if (new_value != (int)*status[index]) {

 		*status[index] = new_value;

 		clif_updatestatus(sd, SP_STR + index);