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Change-Id: I86783eba0827b58303b10310e9f6b9625e1a27f1
This commit is contained in:
Kévin Redon
2018-07-08 13:58:12 +02:00
parent 93717e43b3
commit 33d1eb73fd
17 changed files with 1726 additions and 1726 deletions
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174
firmware/libcommon/source/string.c
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@@ -61,33 +61,33 @@
//------------------------------------------------------------------------------
void * memcpy(void *pDestination, const void *pSource, size_t num)
{
unsigned char *pByteDestination;
unsigned char *pByteSource;
unsigned int *pAlignedSource = (unsigned int *) pSource;
unsigned int *pAlignedDestination = (unsigned int *) pDestination;
unsigned char *pByteDestination;
unsigned char *pByteSource;
unsigned int *pAlignedSource = (unsigned int *) pSource;
unsigned int *pAlignedDestination = (unsigned int *) pDestination;
// If num is more than 4 bytes, and both dest. and source are aligned,
// then copy dwords
if ((((unsigned int) pAlignedDestination & 0x3) == 0)
&& (((unsigned int) pAlignedSource & 0x3) == 0)
&& (num >= 4)) {
// If num is more than 4 bytes, and both dest. and source are aligned,
// then copy dwords
if ((((unsigned int) pAlignedDestination & 0x3) == 0)
&& (((unsigned int) pAlignedSource & 0x3) == 0)
&& (num >= 4)) {
while (num >= 4) {
while (num >= 4) {
*pAlignedDestination++ = *pAlignedSource++;
num -= 4;
}
}
*pAlignedDestination++ = *pAlignedSource++;
num -= 4;
}
}
// Copy remaining bytes
pByteDestination = (unsigned char *) pAlignedDestination;
pByteSource = (unsigned char *) pAlignedSource;
while (num--) {
// Copy remaining bytes
pByteDestination = (unsigned char *) pAlignedDestination;
pByteSource = (unsigned char *) pAlignedSource;
while (num--) {
*pByteDestination++ = *pByteSource++;
}
*pByteDestination++ = *pByteSource++;
}
return pDestination;
return pDestination;
}
//------------------------------------------------------------------------------
@@ -99,23 +99,23 @@ void * memcpy(void *pDestination, const void *pSource, size_t num)
//------------------------------------------------------------------------------
void * memset(void *pBuffer, int value, size_t num)
{
unsigned char *pByteDestination;
unsigned int *pAlignedDestination = (unsigned int *) pBuffer;
unsigned int alignedValue = (value << 24) | (value << 16) | (value << 8) | value;
unsigned char *pByteDestination;
unsigned int *pAlignedDestination = (unsigned int *) pBuffer;
unsigned int alignedValue = (value << 24) | (value << 16) | (value << 8) | value;
// Set words if possible
if ((((unsigned int) pAlignedDestination & 0x3) == 0) && (num >= 4)) {
while (num >= 4) {
*pAlignedDestination++ = alignedValue;
num -= 4;
}
}
// Set remaining bytes
pByteDestination = (unsigned char *) pAlignedDestination;
while (num--) {
*pByteDestination++ = value;
}
return pBuffer;
// Set words if possible
if ((((unsigned int) pAlignedDestination & 0x3) == 0) && (num >= 4)) {
while (num >= 4) {
*pAlignedDestination++ = alignedValue;
num -= 4;
}
}
// Set remaining bytes
pByteDestination = (unsigned char *) pAlignedDestination;
while (num--) {
*pByteDestination++ = value;
}
return pBuffer;
}
//-----------------------------------------------------------------------------
@@ -126,16 +126,16 @@ void * memset(void *pBuffer, int value, size_t num)
//-----------------------------------------------------------------------------
char * strchr(const char *pString, int character)
{
char * p = (char *)pString;
char c = character & 0xFF;
char * p = (char *)pString;
char c = character & 0xFF;
while(*p != c) {
if (*p == 0) {
return 0;
}
p++;
}
return p;
while(*p != c) {
if (*p == 0) {
return 0;
}
p++;
}
return p;
}
//-----------------------------------------------------------------------------
@@ -144,12 +144,12 @@ char * strchr(const char *pString, int character)
//-----------------------------------------------------------------------------
size_t strlen(const char *pString)
{
unsigned int length = 0;
unsigned int length = 0;
while(*pString++ != 0) {
length++;
}
return length;
while(*pString++ != 0) {
length++;
}
return length;
}
@@ -161,14 +161,14 @@ size_t strlen(const char *pString)
//-----------------------------------------------------------------------------
char * strrchr(const char *pString, int character)
{
char *p = 0;
char *p = 0;
while(*pString != 0) {
if (*pString++ == character) {
p = (char*)pString;
}
}
return p;
while(*pString != 0) {
if (*pString++ == character) {
p = (char*)pString;
}
}
return p;
}
//-----------------------------------------------------------------------------
@@ -179,10 +179,10 @@ char * strrchr(const char *pString, int character)
//-----------------------------------------------------------------------------
char * strcpy(char *pDestination, const char *pSource)
{
char *pSaveDest = pDestination;
char *pSaveDest = pDestination;
for(; (*pDestination = *pSource) != 0; ++pSource, ++pDestination);
return pSaveDest;
for(; (*pDestination = *pSource) != 0; ++pSource, ++pDestination);
return pSaveDest;
}
//-----------------------------------------------------------------------------
@@ -196,22 +196,22 @@ char * strcpy(char *pDestination, const char *pSource)
//-----------------------------------------------------------------------------
int strncmp(const char *pString1, const char *pString2, size_t count)
{
int r;
int r;
while(count) {
r = *pString1 - *pString2;
if (r == 0) {
if (*pString1 == 0) {
break;
}
pString1++;
pString2++;
count--;
continue;
}
return r;
}
return 0;
while(count) {
r = *pString1 - *pString2;
if (r == 0) {
if (*pString1 == 0) {
break;
}
pString1++;
pString2++;
count--;
continue;
}
return r;
}
return 0;
}
//-----------------------------------------------------------------------------
@@ -223,17 +223,17 @@ int strncmp(const char *pString1, const char *pString2, size_t count)
//-----------------------------------------------------------------------------
char * strncpy(char *pDestination, const char *pSource, size_t count)
{
char *pSaveDest = pDestination;
char *pSaveDest = pDestination;
while (count) {
*pDestination = *pSource;
if (*pSource == 0) {
break;
}
pDestination++;
pSource++;
count--;
}
return pSaveDest;
while (count) {
*pDestination = *pSource;
if (*pSource == 0) {
break;
}
pDestination++;
pSource++;
count--;
}
return pSaveDest;
}