/* $NetBSD: rtstr.c,v 1.1.1.3 2021/09/30 18:50:09 jmcneill Exp $ */ /*++ Copyright (c) 1998 Intel Corporation Module Name: str.c Abstract: String runtime functions Revision History --*/ #include "lib.h" #ifndef __GNUC__ #pragma RUNTIME_CODE(RtStrCmp) #endif INTN RUNTIMEFUNCTION RtStrCmp ( IN CONST CHAR16 *s1, IN CONST CHAR16 *s2 ) // compare strings { while (*s1) { if (*s1 != *s2) { break; } s1 += 1; s2 += 1; } return *s1 - *s2; } #ifndef __GNUC__ #pragma RUNTIME_CODE(RtStrCpy) #endif VOID RUNTIMEFUNCTION RtStrCpy ( IN CHAR16 *Dest, IN CONST CHAR16 *Src ) // copy strings { while (*Src) { *(Dest++) = *(Src++); } *Dest = 0; } #ifndef __GNUC__ #pragma RUNTIME_CODE(RtStrnCpy) #endif VOID RUNTIMEFUNCTION RtStrnCpy ( IN CHAR16 *Dest, IN CONST CHAR16 *Src, IN UINTN Len ) // copy strings { UINTN Size = RtStrnLen(Src, Len); if (Size != Len) RtSetMem(Dest + Size, (Len - Size) * sizeof(CHAR16), '\0'); RtCopyMem(Dest, Src, Size * sizeof(CHAR16)); } #ifndef __GNUC__ #pragma RUNTIME_CODE(RtStpCpy) #endif CHAR16 * RUNTIMEFUNCTION RtStpCpy ( IN CHAR16 *Dest, IN CONST CHAR16 *Src ) // copy strings { while (*Src) { *(Dest++) = *(Src++); } *Dest = 0; return Dest; } #ifndef __GNUC__ #pragma RUNTIME_CODE(RtStpnCpy) #endif CHAR16 * RUNTIMEFUNCTION RtStpnCpy ( IN CHAR16 *Dest, IN CONST CHAR16 *Src, IN UINTN Len ) // copy strings { UINTN Size = RtStrnLen(Src, Len); if (Size != Len) RtSetMem(Dest + Size, (Len - Size) * sizeof(CHAR16), '\0'); RtCopyMem(Dest, Src, Size * sizeof(CHAR16)); return Dest + Size; } #ifndef __GNUC__ #pragma RUNTIME_CODE(RtStrCat) #endif VOID RUNTIMEFUNCTION RtStrCat ( IN CHAR16 *Dest, IN CONST CHAR16 *Src ) { RtStrCpy(Dest+RtStrLen(Dest), Src); } #ifndef __GNUC__ #pragma RUNTIME_CODE(RtStrnCat) #endif VOID RUNTIMEFUNCTION RtStrnCat ( IN CHAR16 *Dest, IN CONST CHAR16 *Src, IN UINTN Len ) { UINTN DestSize, Size; DestSize = RtStrLen(Dest); Size = RtStrnLen(Src, Len); RtCopyMem(Dest + DestSize, Src, Size * sizeof(CHAR16)); Dest[DestSize + Size] = '\0'; } #ifndef __GNUC__ #pragma RUNTIME_CODE(RtStrLen) #endif UINTN RUNTIMEFUNCTION RtStrLen ( IN CONST CHAR16 *s1 ) // string length { UINTN len; for (len=0; *s1; s1+=1, len+=1) ; return len; } #ifndef __GNUC__ #pragma RUNTIME_CODE(RtStrnLen) #endif UINTN RUNTIMEFUNCTION RtStrnLen ( IN CONST CHAR16 *s1, IN UINTN Len ) // string length { UINTN i; for (i = 0; *s1 && i < Len; i++) s1++; return i; } #ifndef __GNUC__ #pragma RUNTIME_CODE(RtStrSize) #endif UINTN RUNTIMEFUNCTION RtStrSize ( IN CONST CHAR16 *s1 ) // string size { UINTN len; for (len=0; *s1; s1+=1, len+=1) ; return (len + 1) * sizeof(CHAR16); } #ifndef __GNUC__ #pragma RUNTIME_CODE(RtBCDtoDecimal) #endif UINT8 RUNTIMEFUNCTION RtBCDtoDecimal( IN UINT8 BcdValue ) { UINTN High, Low; High = BcdValue >> 4; Low = BcdValue - (High << 4); return ((UINT8)(Low + (High * 10))); } #ifndef __GNUC__ #pragma RUNTIME_CODE(RtDecimaltoBCD) #endif UINT8 RUNTIMEFUNCTION RtDecimaltoBCD ( IN UINT8 DecValue ) { UINTN High, Low; High = DecValue / 10; Low = DecValue - (High * 10); return ((UINT8)(Low + (High << 4))); }