1 files changed, 340 insertions, 0 deletions
diff --git a/tools/updater/string.c b/tools/updater/string.c
new file mode 100644
index 0000000..50537a6
--- /dev/null
+++ b/tools/updater/string.c
@@ -0,0 +1,340 @@
+/*
+ *  linux/lib/string.c
+ *
+ *  Copyright (C) 1991, 1992  Linus Torvalds
+ */
+
+/*
+ * stupid library routines.. The optimized versions should generally be found
+ * as inline code in <asm-xx/string.h>
+ *
+ * These are buggy as well..
+ */
+
+#include <linux/types.h>
+#include <linux/string.h>
+#include <malloc.h>
+
+#define __HAVE_ARCH_BCOPY
+#define __HAVE_ARCH_MEMCMP
+#define __HAVE_ARCH_MEMCPY
+#define __HAVE_ARCH_MEMMOVE
+#define __HAVE_ARCH_MEMSET
+#define __HAVE_ARCH_STRCAT
+#define __HAVE_ARCH_STRCMP
+#define __HAVE_ARCH_STRCPY
+#define __HAVE_ARCH_STRLEN
+#define __HAVE_ARCH_STRNCPY
+
+char * ___strtok = NULL;
+
+#ifndef __HAVE_ARCH_STRCPY
+char * strcpy(char * dest,const char *src)
+{
+	char *tmp = dest;
+
+	while ((*dest++ = *src++) != '\0')
+		/* nothing */;
+	return tmp;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRNCPY
+char * strncpy(char * dest,const char *src,size_t count)
+{
+	char *tmp = dest;
+
+	while (count-- && (*dest++ = *src++) != '\0')
+		/* nothing */;
+
+	return tmp;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRCAT
+char * strcat(char * dest, const char * src)
+{
+	char *tmp = dest;
+
+	while (*dest)
+		dest++;
+	while ((*dest++ = *src++) != '\0')
+		;
+
+	return tmp;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRNCAT
+char * strncat(char *dest, const char *src, size_t count)
+{
+	char *tmp = dest;
+
+	if (count) {
+		while (*dest)
+			dest++;
+		while ((*dest++ = *src++)) {
+			if (--count == 0) {
+				*dest = '\0';
+				break;
+			}
+		}
+	}
+
+	return tmp;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRCMP
+int strcmp(const char * cs,const char * ct)
+{
+	register signed char __res;
+
+	while (1) {
+		if ((__res = *cs - *ct++) != 0 || !*cs++)
+			break;
+	}
+
+	return __res;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRNCMP
+int strncmp(const char * cs,const char * ct,size_t count)
+{
+	register signed char __res = 0;
+
+	while (count) {
+		if ((__res = *cs - *ct++) != 0 || !*cs++)
+			break;
+		count--;
+	}
+
+	return __res;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRCHR
+char * strchr(const char * s, int c)
+{
+	for(; *s != (char) c; ++s)
+		if (*s == '\0')
+			return NULL;
+	return (char *) s;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRRCHR
+char * strrchr(const char * s, int c)
+{
+       const char *p = s + strlen(s);
+       do {
+           if (*p == (char)c)
+               return (char *)p;
+       } while (--p >= s);
+       return NULL;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRLEN
+size_t strlen(const char * s)
+{
+	const char *sc;
+
+	for (sc = s; *sc != '\0'; ++sc)
+		/* nothing */;
+	return sc - s;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRNLEN
+size_t strnlen(const char * s, size_t count)
+{
+	const char *sc;
+
+	for (sc = s; count-- && *sc != '\0'; ++sc)
+		/* nothing */;
+	return sc - s;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRDUP
+char * strdup(const char *s)
+{
+	char *new;
+
+	if ((s == NULL)	||
+	    ((new = mon_malloc (strlen(s) + 1)) == NULL) ) {
+		return NULL;
+	}
+
+	strcpy (new, s);
+	return new;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRSPN
+size_t strspn(const char *s, const char *accept)
+{
+	const char *p;
+	const char *a;
+	size_t count = 0;
+
+	for (p = s; *p != '\0'; ++p) {
+		for (a = accept; *a != '\0'; ++a) {
+			if (*p == *a)
+				break;
+		}
+		if (*a == '\0')
+			return count;
+		++count;
+	}
+
+	return count;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRPBRK
+char * strpbrk(const char * cs,const char * ct)
+{
+	const char *sc1,*sc2;
+
+	for( sc1 = cs; *sc1 != '\0'; ++sc1) {
+		for( sc2 = ct; *sc2 != '\0'; ++sc2) {
+			if (*sc1 == *sc2)
+				return (char *) sc1;
+		}
+	}
+	return NULL;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRTOK
+char * strtok(char * s,const char * ct)
+{
+	char *sbegin, *send;
+
+	sbegin  = s ? s : ___strtok;
+	if (!sbegin) {
+		return NULL;
+	}
+	sbegin += strspn(sbegin,ct);
+	if (*sbegin == '\0') {
+		___strtok = NULL;
+		return( NULL );
+	}
+	send = strpbrk( sbegin, ct);
+	if (send && *send != '\0')
+		*send++ = '\0';
+	___strtok = send;
+	return (sbegin);
+}
+#endif
+
+#ifndef __HAVE_ARCH_MEMSET
+void * memset(void * s,char c,size_t count)
+{
+	char *xs = (char *) s;
+
+	while (count--)
+		*xs++ = c;
+
+	return s;
+}
+#endif
+
+#ifndef __HAVE_ARCH_BCOPY
+char * bcopy(const char * src, char * dest, int count)
+{
+	char *tmp = dest;
+
+	while (count--)
+		*tmp++ = *src++;
+
+	return dest;
+}
+#endif
+
+#ifndef __HAVE_ARCH_MEMCPY
+void * memcpy(void * dest,const void *src,size_t count)
+{
+	char *tmp = (char *) dest, *s = (char *) src;
+
+	while (count--)
+		*tmp++ = *s++;
+
+	return dest;
+}
+#endif
+
+#ifndef __HAVE_ARCH_MEMMOVE
+void * memmove(void * dest,const void *src,size_t count)
+{
+	char *tmp, *s;
+
+	if (dest <= src) {
+		tmp = (char *) dest;
+		s = (char *) src;
+		while (count--)
+			*tmp++ = *s++;
+		}
+	else {
+		tmp = (char *) dest + count;
+		s = (char *) src + count;
+		while (count--)
+			*--tmp = *--s;
+		}
+
+	return dest;
+}
+#endif
+
+#ifndef __HAVE_ARCH_MEMCMP
+int memcmp(const void * cs,const void * ct,size_t count)
+{
+	const unsigned char *su1, *su2;
+	signed char res = 0;
+
+	for( su1 = cs, su2 = ct; 0 < count; ++su1, ++su2, count--)
+		if ((res = *su1 - *su2) != 0)
+			break;
+	return res;
+}
+#endif
+
+/*
+ * find the first occurrence of byte 'c', or 1 past the area if none
+ */
+#ifndef __HAVE_ARCH_MEMSCAN
+void * memscan(void * addr, int c, size_t size)
+{
+	unsigned char * p = (unsigned char *) addr;
+
+	while (size) {
+		if (*p == c)
+			return (void *) p;
+		p++;
+		size--;
+	}
+  	return (void *) p;
+}
+#endif
+
+#ifndef __HAVE_ARCH_STRSTR
+char * strstr(const char * s1,const char * s2)
+{
+	int l1, l2;
+
+	l2 = strlen(s2);
+	if (!l2)
+		return (char *) s1;
+	l1 = strlen(s1);
+	while (l1 >= l2) {
+		l1--;
+		if (!memcmp(s1,s2,l2))
+			return (char *) s1;
+		s1++;
+	}
+	return NULL;
+}
+#endif