DBG: command.cpp documentation
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@ -12,17 +12,12 @@
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#include "math.h"
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/**
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@fn COMMAND* cmdfind(COMMAND* command_list, const char* name, COMMAND** link)
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@brief Cmdfinds.
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@param [in,out] command_list If non-null, list of commands.
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@param name The name.
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@param [in,out] link If non-null, the link.
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@return null if it fails, else a COMMAND*.
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*/
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\brief Finds a ::COMMAND in a command list.
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\param [in] command list.
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\param name The name of the command to find.
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\param [out] Link to the command.
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\return null if it fails, else a ::COMMAND*.
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*/
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COMMAND* cmdfind(COMMAND* command_list, const char* name, COMMAND** link)
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{
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COMMAND* cur = command_list;
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@ -44,13 +39,9 @@ COMMAND* cmdfind(COMMAND* command_list, const char* name, COMMAND** link)
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}
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/**
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@fn COMMAND* cmdinit()
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@brief Gets the cmdinit.
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@return null if it fails, else a COMMAND*.
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*/
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\brief Initialize a command list.
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\return a ::COMMAND*
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*/
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COMMAND* cmdinit()
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{
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COMMAND* cmd = (COMMAND*)emalloc(sizeof(COMMAND), "cmdinit:cmd");
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@ -59,13 +50,9 @@ COMMAND* cmdinit()
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}
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/**
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@fn void cmdfree(COMMAND* cmd_list)
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@brief Cmdfrees the given command list.
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@param [in,out] cmd_list If non-null, list of commands.
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*/
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\brief Clear a command list.
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\param [in] cmd_list Command list to clear.
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*/
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void cmdfree(COMMAND* cmd_list)
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{
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COMMAND* cur = cmd_list;
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@ -79,18 +66,13 @@ void cmdfree(COMMAND* cmd_list)
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}
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/**
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@fn bool cmdnew(COMMAND* command_list, const char* name, CBCOMMAND cbCommand, bool debugonly)
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@brief Cmdnews.
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@param [in,out] command_list If non-null, list of commands.
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@param name The name.
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@param cbCommand The command.
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@param debugonly true to debugonly.
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@return true if it succeeds, false if it fails.
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*/
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\brief Creates a new command and adds it to the list.
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\param [in,out] command_list Command list. Cannot be null.
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\param name The command name.
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\param cbCommand The command callback.
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\param debugonly true if the command can only be executed in a debugging context.
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\return true if the command was successfully added to the list.
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*/
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bool cmdnew(COMMAND* command_list, const char* name, CBCOMMAND cbCommand, bool debugonly)
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{
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if(!command_list or !cbCommand or !name or !*name or cmdfind(command_list, name, 0))
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@ -120,16 +102,11 @@ bool cmdnew(COMMAND* command_list, const char* name, CBCOMMAND cbCommand, bool d
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}
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/**
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@fn COMMAND* cmdget(COMMAND* command_list, const char* cmd)
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@brief Cmdgets.
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@param [in,out] command_list If non-null, list of commands.
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@param cmd The command.
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@return null if it fails, else a COMMAND*.
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*/
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\brief Gets a ::COMMAND from the command list.
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\param [in] command_list Command list.
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\param cmd The command to get from the list.
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\return null if the command was not found. Otherwise a ::COMMAND*.
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*/
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COMMAND* cmdget(COMMAND* command_list, const char* cmd)
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{
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char new_cmd[deflen] = "";
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@ -146,18 +123,13 @@ COMMAND* cmdget(COMMAND* command_list, const char* cmd)
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}
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/**
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@fn CBCOMMAND cmdset(COMMAND* command_list, const char* name, CBCOMMAND cbCommand, bool debugonly)
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@brief Cmdsets.
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@param [in,out] command_list If non-null, list of commands.
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@param name The name.
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@param cbCommand The command.
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@param debugonly true to debugonly.
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@return A CBCOMMAND.
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*/
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\brief Sets a new command callback and debugonly property in a command list.
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\param [in] command_list Command list.
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\param name The name of the command to change.
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\param cbCommand The new command callback.
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\param debugonly The new debugonly value.
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\return The old command callback.
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*/
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CBCOMMAND cmdset(COMMAND* command_list, const char* name, CBCOMMAND cbCommand, bool debugonly)
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{
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if(!cbCommand)
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@ -172,16 +144,11 @@ CBCOMMAND cmdset(COMMAND* command_list, const char* name, CBCOMMAND cbCommand, b
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}
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/**
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@fn bool cmddel(COMMAND* command_list, const char* name)
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@brief Cmddels.
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@param [in,out] command_list If non-null, list of commands.
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@param name The name.
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@return true if it succeeds, false if it fails.
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*/
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\brief Deletes a command from a command list.
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\param [in] command_list Command list.
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\param name The name of the command to delete.
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\return true if the command was deleted.
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*/
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bool cmddel(COMMAND* command_list, const char* name)
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{
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COMMAND* prev = 0;
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@ -218,19 +185,14 @@ error_is_fatal: error return of a command callback stops the command proce
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*/
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/**
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@fn CMDRESULT cmdloop(COMMAND* command_list, CBCOMMAND cbUnknownCommand, CBCOMMANDPROVIDER cbCommandProvider, CBCOMMANDFINDER cbCommandFinder, bool error_is_fatal)
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@brief Cmdloops.
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@param [in,out] command_list If non-null, list of commands.
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@param cbUnknownCommand The unknown command.
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@param cbCommandProvider The command provider.
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@param cbCommandFinder The command finder.
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@param error_is_fatal true if error is fatal.
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@return A CMDRESULT.
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*/
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\brief Initiates a command loop. This function will not return until a command returns ::STATUS_EXIT.
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\param [in] command_list Command list to use for the command lookups.
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\param cbUnknownCommand The unknown command callback.
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\param cbCommandProvider The command provider callback.
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\param cbCommandFinder The command finder callback.
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\param error_is_fatal true if commands that return ::STATUS_ERROR terminate the command loop.
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\return A CMDRESULT, will always be ::STATUS_EXIT.
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*/
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CMDRESULT cmdloop(COMMAND* command_list, CBCOMMAND cbUnknownCommand, CBCOMMANDPROVIDER cbCommandProvider, CBCOMMANDFINDER cbCommandFinder, bool error_is_fatal)
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{
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if(!cbUnknownCommand or !cbCommandProvider)
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@ -295,15 +257,10 @@ CMDRESULT cmdloop(COMMAND* command_list, CBCOMMAND cbUnknownCommand, CBCOMMANDPR
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*/
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/**
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@fn static bool isvalidexpression(const char* expression)
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@brief Query if 'expression' isvalidexpression.
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@param expression The expression.
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@return true if it succeeds, false if it fails.
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*/
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\brief Query if a string is a valid expression.
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\param expression The expression to check.
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\return true if the string is a valid expression.
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*/
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static bool isvalidexpression(const char* expression)
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{
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uint value;
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@ -311,13 +268,9 @@ static bool isvalidexpression(const char* expression)
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}
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/**
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@fn static void specialformat(char* string)
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@brief Specialformats the given string.
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@param [in,out] string If non-null, the string.
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*/
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\brief Special formats a given command. Used as a little hack to support stuff like 'x++' and 'x=y'
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\param [in,out] string String to format.
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*/
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static void specialformat(char* string)
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{
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int len = (int)strlen(string);
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@ -383,16 +336,11 @@ static void specialformat(char* string)
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*/
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/**
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@fn COMMAND* cmdfindmain(COMMAND* cmd_list, char* command)
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@brief Cmdfindmains.
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@param [in,out] cmd_list If non-null, list of commands.
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@param [in,out] command If non-null, the command.
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@return null if it fails, else a COMMAND*.
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*/
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\brief Default command finder. It uses specialformat() and mathformat() to make sure the command is optimally checked.
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\param [in] cmd_list Command list.
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\param [in] command Command name.
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\return null if it fails, else a COMMAND*.
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*/
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COMMAND* cmdfindmain(COMMAND* cmd_list, char* command)
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{
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COMMAND* cmd = cmdfind(cmd_list, command, 0);
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@ -407,16 +355,11 @@ COMMAND* cmdfindmain(COMMAND* cmd_list, char* command)
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}
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/**
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@fn CMDRESULT cmddirectexec(COMMAND* cmd_list, const char* cmd)
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@brief Cmddirectexecs.
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@param [in,out] cmd_list If non-null, list of commands.
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@param cmd The command.
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@return A CMDRESULT.
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*/
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\brief Directly execute a command.
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\param [in,out] cmd_list Command list.
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\param cmd The command to execute.
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\return A CMDRESULT.
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*/
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CMDRESULT cmddirectexec(COMMAND* cmd_list, const char* cmd)
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{
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if(!cmd or !strlen(cmd))
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