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tried to improve the documentation of the function utils_removeChars + made it more defensive + fixed the testcases

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prozessorkern
2020-06-02 18:40:24 +02:00
parent 2060cd61eb
commit f5f9c62493
2 changed files with 7 additions and 6 deletions
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5
src/shellmatta_utils.c
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@@ -215,13 +215,14 @@ void utils_insertChars( shellmatta_instance_t *inst,
* position
* @param[in] inst pointer to a shellmatta instance
* @param[in] length number of characters to remove
* @param[in] backspace remove characters left of the cursor
* @param[in] backspace true ==> remove characters left of the cursor
* false ==> remove characters right of the cursor
*/
void utils_removeChars( shellmatta_instance_t *inst,
uint32_t length,
bool backspace)
{
if(0u != length)
if((0u != length) && (inst->inputCount >= inst->cursor))
{
/** -# rewind the cursor in case of backspace */
if(true == backspace)