X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FLibraries%2Fld-acess.so_src%2Flib.c;h=3acc129d0fe1728632710498e5c1685537644d88;hb=fe313c1dda9bd0e062f5ce88c3d990199799aa1b;hp=d327213f440cf14c0191daa6907d4ebfe6faface;hpb=17e16b3110b4c5124b0707435e0427993d696545;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 d327213f..3acc129d 100644
--- a/Usermode/Libraries/ld-acess.so_src/lib.c
+++ b/Usermode/Libraries/ld-acess.so_src/lib.c
@@ -6,25 +6,57 @@
 #include "common.h"
 
 // === CODE ===
-void strcpy(char *dest, char *src)
+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;
 }
-
-int strcmp(char *s1, char *s2)
+
+/**
+ * \fn int strcmp(const char *s1, const char *s2)
+ * \brief Compare two strings
+ */
+int strcmp(const char *s1, const char *s2)
 {
-	while(*s1 == *s2 && *s1 != 0) s1++,s2++;
+	while(*s1 && *s1 == *s2) s1++,s2++;
 	return *s1-*s2;
 }
 
-int strlen(char *str)
+/**
+ * \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
+ */
+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;
+}