X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FLibraries%2Fld-acess.so_src%2Flib.c;h=a3192bc82e2e59b5774dcfa2c594fa31339af3ec;hb=2826faf8dc09e92249a315b6a0c4ca5048c08a33;hp=3acc129d0fe1728632710498e5c1685537644d88;hpb=466eda7c917791866a29c253c6c22197faf41bf7;p=tpg%2Facess2.git

diff --git a/Usermode/Libraries/ld-acess.so_src/lib.c b/Usermode/Libraries/ld-acess.so_src/lib.c
index 3acc129d..a3192bc8 100644
--- a/Usermode/Libraries/ld-acess.so_src/lib.c
+++ b/Usermode/Libraries/ld-acess.so_src/lib.c
@@ -1,62 +1,200 @@
-/*
- AcessOS 1
- Dynamic Loader
- By thePowersGang
-*/
-#include "common.h"
-
-// === CODE ===
-char *strcpy(char *dest, const char *src)
-{
-	char	*ret = dest;
-	while(*src) {
-		*dest = *src;
-		src ++;	dest ++;
-	}
-	*dest = '\0';
-	return ret;
-}
-
-char *strcat(char *dest, const char *src)
-{
-	char	*ret = dest;
-	while(*dest)	dest++;
-	while(*src)		*dest++ = *src++;
-	*dest = '\0';
-	return ret;
-}
-
-/**
- * \fn int strcmp(const char *s1, const char *s2)
- * \brief Compare two strings
+/*
+ AcessOS 1
+ Dynamic Loader
+ By thePowersGang
+*/
+#include "common.h"
+#include <stdint.h>
+
+// === CODE ===
+char *strcpy(char *dest, const char *src)
+{
+	char	*ret = dest;
+	while(*src) {
+		*dest = *src;
+		src ++;	dest ++;
+	}
+	*dest = '\0';
+	return ret;
+}
+
+char *strcat(char *dest, const char *src)
+{
+	char	*ret = dest;
+	while(*dest)	dest++;
+	while(*src)		*dest++ = *src++;
+	*dest = '\0';
+	return ret;
+}
+
+/**
+ * \fn int strcmp(const char *s1, const char *s2)
+ * \brief Compare two strings
  */
 int strcmp(const char *s1, const char *s2)
 {
 	while(*s1 && *s1 == *s2) s1++,s2++;
 	return *s1-*s2;
-}
-
-/**
- * \fn int strlen(const char *str)
- * \brief 
- */
-int strlen(const char *str)
-{
-	 int	len = 0;
-	while(*str)	len++,str++;
-	return len;
-}
-
-/**
- * \fn int file_exists(char *filename)
- * \brief Checks if a file exists
+}
+
+/**
+ * \fn int strlen(const char *str)
+ * \brief 
  */
-int file_exists(char *filename)
-{
-	 int	fd;
-	 //fd = open(filename, OPENFLAG_READ);
-	 fd = open(filename, 0);
-	 if(fd == -1)	return 0;
-	 close(fd);
-	 return 1;
-}
+int strlen(const char *str)
+{
+	 int	len = 0;
+	while(*str)	len++,str++;
+	return len;
+}
+
+int memcmp(const void *p1, const void *p2, int len)
+{
+	const char	*b1 = p1, *b2 = p2;
+	while(len --)
+	{
+		if(b1 != b2)	return b1 - b2;
+	}
+	return 0;
+}
+
+void *memcpy(void *dest, const void *src, size_t len)
+{
+	uint8_t	*d=dest, *s=src;
+	while(len--)	*d++ = *s++;
+	return dest;
+}
+
+/**
+ * \fn int file_exists(char *filename)
+ * \brief Checks if a file exists
+ */
+int file_exists(const char *filename)
+{
+	 int	fd;
+	//fd = open(filename, OPENFLAG_READ);
+	fd = open(filename, 0);
+	if(fd == -1)	return 0;
+	close(fd);
+	return 1;
+}
+
+uint64_t __divmod64(uint64_t Num, uint64_t Den, uint64_t *Rem)
+{
+	uint64_t	ret = 0, add = 1;
+
+	if( Den == 0 ) {
+		if(Rem)	*Rem = 0;
+		return -1;
+	}
+
+	// Find what power of two times Den is > Num
+	while( Num >= Den )
+	{
+		Den <<= 1;
+		add <<= 1;
+	}
+
+	// Search backwards
+	while( add > 1 )
+	{
+		add >>= 1;
+		Den >>= 1;
+		// If the numerator is >= Den, subtract and add to return value
+		if( Num >= Den )
+		{
+			ret += add;
+			Num -= Den;
+		}
+	}
+	if(Rem)	*Rem = Num;
+	return ret;
+}
+
+uint32_t __divmod32(uint32_t Num, uint32_t Den, uint32_t *Rem)
+{
+	uint32_t	ret = 0, add = 1;
+
+	if( Den == 0 ) {
+		if(Rem)	*Rem = 0;
+		return -1;
+	}
+
+	// Find what power of two times Den is > Num
+	while( Num >= Den )
+	{
+		Den <<= 1;
+		add <<= 1;
+	}
+
+	// Search backwards
+	while( add > 1 )
+	{
+		add >>= 1;
+		Den >>= 1;
+		// If the numerator is >= Den, subtract and add to return value
+		if( Num >= Den )
+		{
+			ret += add;
+			Num -= Den;
+		}
+	}
+	if(Rem)	*Rem = Num;
+	return ret;
+}
+
+uint64_t __udivdi3(uint64_t Num, uint64_t Den)
+{
+	return __divmod64(Num, Den, NULL);
+}
+
+uint64_t __umoddi3(uint64_t Num, uint64_t Den)
+{
+	uint64_t	ret;
+	__divmod64(Num, Den, &ret);
+	return ret;
+}
+
+int32_t __divsi3(int32_t Num, int32_t Den)
+{
+	int32_t sign = 1;
+	if(Num < 0) {
+		Num = -Num;
+		sign = -sign;
+	}
+	if(Den < 0) {
+		Den = -Den;
+		sign = -sign;
+	}
+	return sign * __divmod32(Num, Den, NULL);
+}
+
+int32_t __modsi3(int32_t Num, int32_t Den)
+{
+	int32_t sign = 1;
+	uint32_t tmp;
+	if(Num < 0) {
+		Num = -Num;
+		sign = -sign;
+	}
+	if(Den < 0) {
+		Den = -Den;
+		sign = -sign;
+	}
+	__divmod32(Num, Den, &tmp);
+	return ((int32_t)tmp)*sign;
+}
+
+uint32_t __udivsi3(uint32_t Num, uint32_t Den)
+{
+	return __divmod32(Num, Den, NULL);
+}
+
+
+uint32_t __umodsi3(uint32_t Num, uint32_t Den)
+{
+	uint32_t	ret;
+	__divmod32(Num, Den, &ret);
+	return ret;
+}
+