Avoid crashing on NULL pointer to strings

pull/30/head
Pawel Jalocha 2020-09-05 18:38:29 +01:00
rodzic fd6ea42f96
commit 6b600f1943
1 zmienionych plików z 8 dodań i 4 usunięć

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@ -12,7 +12,8 @@ void Format_Bytes( void (*Output)(char), const uint8_t *Bytes, uint8_t Len)
}
void Format_String( void (*Output)(char), const char *String)
{ for( ; ; )
{ if(String==0) return;
for( ; ; )
{ uint8_t ch = (*String++); if(ch==0) break;
#ifdef WITH_AUTOCR
if(ch=='\n') (*Output)('\r');
@ -21,7 +22,8 @@ void Format_String( void (*Output)(char), const char *String)
}
uint8_t Format_String(char *Out, const char *String)
{ uint8_t OutLen=0;
{ if(String==0) return 0;
uint8_t OutLen=0;
for( ; ; )
{ char ch = (*String++); if(ch==0) break;
#ifdef WITH_AUTOCR
@ -32,7 +34,8 @@ uint8_t Format_String(char *Out, const char *String)
return OutLen; }
void Format_String( void (*Output)(char), const char *String, uint8_t MinLen, uint8_t MaxLen)
{ if(MaxLen<MinLen) MaxLen=MinLen;
{ if(String==0) return;
if(MaxLen<MinLen) MaxLen=MinLen;
uint8_t Idx;
for(Idx=0; Idx<MaxLen; Idx++)
{ char ch = String[Idx]; if(ch==0) break;
@ -45,7 +48,8 @@ void Format_String( void (*Output)(char), const char *String, uint8_t MinLen, ui
}
uint8_t Format_String(char *Out, const char *String, uint8_t MinLen, uint8_t MaxLen)
{ if(MaxLen<MinLen) MaxLen=MinLen;
{ if(String==0) return 0;
if(MaxLen<MinLen) MaxLen=MinLen;
uint8_t OutLen=0;
uint8_t Idx;
for(Idx=0; Idx<MaxLen; Idx++)