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determine the length of the input command abd compare the length with the length of the known commands

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This commit is contained in:
prozessorkern 2019-07-28 22:33:45 +02:00
parent e5bf8572c2
commit 21212d05b8
1 changed files with 17 additions and 5 deletions
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22
src/shellmatta.c
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@ -193,6 +193,7 @@ shellmatta_retCode_t shellmatta_processData(shellmatta_handle_t handle,
{
shellmatta_cmd_t *cmd;
uint8_t cmdExecuted = 0u;
uint32_t cmdLen;
shellmatta_retCode_t ret = SHELLMATTA_OK;
shellmatta_instance_t *inst = (shellmatta_instance_t*)handle;
@ -225,16 +226,27 @@ shellmatta_retCode_t shellmatta_processData(shellmatta_handle_t handle,
history_storeCmd(inst);
history_reset(inst);
/** -# determine the cmd len (chars until first space or \0 is found */
cmdLen = 0u;
while( (cmdLen < inst->inputCount)
&& (' ' != inst->buffer[cmdLen])
&& ('\0' != inst->buffer[cmdLen]))
{
cmdLen ++;
}
/** -# search for a matching command */
while (NULL != cmd)
{
/* only compare the length of the command -1 (to avoid comparing the \0 */
if ( (0 == strncmp( inst->buffer,
/** -# compare command string and length */
if ( ((0 == strncmp( inst->buffer,
cmd->cmd,
strlen(cmd->cmd)))
|| (0 == strncmp( inst->buffer,
cmdLen))
&& (cmdLen == strlen(cmd->cmd)))
|| ((0 == strncmp( inst->buffer,
cmd->cmdAlias,
strlen(cmd->cmdAlias))))
cmdLen))
&& (cmdLen == strlen(cmd->cmdAlias))))
{
inst->write("\r\n", 2u);