1 files changed, 112 insertions, 0 deletions
diff --git a/ldso/ldso/ld_string.h b/ldso/ldso/ld_string.h
new file mode 100644
index 000000000..1ea8fd7ae
--- /dev/null
+++ b/ldso/ldso/ld_string.h
@@ -0,0 +1,112 @@
+#ifndef _LINUX_STRING_H_
+#define _LINUX_STRING_H_
+
+#include <linux/types.h>	/* for size_t */
+
+#ifndef NULL
+#define NULL ((void *) 0)
+#endif
+
+extern inline char * _dl_strcpy(char * dst,const char *src)
+{
+	register char *ptr = dst;
+
+	while (*src)
+		*dst++ = *src++;
+	*dst = '\0';
+
+	return ptr;
+}
+ 
+extern inline int _dl_strcmp(const char * s1,const char * s2)
+{
+	unsigned register char c1, c2;
+
+	do {
+		c1 = (unsigned char) *s1++;
+		c2 = (unsigned char) *s2++;
+		if (c1 == '\0')
+			return c1 - c2;
+	}
+	while (c1 == c2);
+
+	return c1 - c2;
+}
+
+extern inline int _dl_strncmp(const char * s1,const char * s2,size_t len)
+{
+	unsigned register char c1 = '\0';
+	unsigned register char c2 = '\0';
+
+	while (len > 0) {
+		c1 = (unsigned char) *s1++;
+		c2 = (unsigned char) *s2++;
+		if (c1 == '\0' || c1 != c2)
+			return c1 - c2;
+		len--;
+	}
+
+	return c1 - c2;
+}
+
+extern inline char * _dl_strchr(const char * str,int c)
+{
+	register char ch;
+
+	do {
+		if ((ch = *str) == c)
+			return (char *) str;
+		str++;
+	}
+	while (ch);
+
+	return 0;
+}
+
+
+extern inline size_t _dl_strlen(const char * str)
+{
+	register char *ptr = (char *) str;
+
+	while (*ptr)
+		ptr++;
+	return (ptr - str);
+}
+
+extern inline void * _dl_memcpy(void * dst, const void * src, size_t len)
+{
+	register char *a = dst;
+	register const char *b = src;
+
+	while (len--)
+		*a++ = *b++;
+
+	return dst;
+}
+
+
+extern inline int _dl_memcmp(const void * s1,const void * s2,size_t len)
+{
+	unsigned char *c1 = (unsigned char *)s1;
+	unsigned char *c2 = (unsigned char *)s2;
+
+	while (len--) {
+		if (*c1 != *c2) 
+			return *c1 - *c2;
+		c1++;
+		c2++;
+	}
+	return 0;
+}
+
+extern inline void * _dl_memset(void * str,int c,size_t len)
+{
+	register char *a = str;
+
+	while (len--)
+		*a++ = c;
+
+	return str;
+}
+
+#endif