*/
#include <config.h>
+#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/ctype.h>
* NUL-terminated string that fits in the buffer (unless,
* of course, the buffer size is zero). It does not pad
* out the result like strncpy() does.
+ *
+ * Return: the number of bytes copied
*/
size_t strlcpy(char *dest, const char *src, size_t size)
{
- size_t ret = strlen(src);
-
if (size) {
- size_t len = (ret >= size) ? size - 1 : ret;
+ size_t srclen = strlen(src);
+ size_t len = (srclen >= size) ? size - 1 : srclen;
+
memcpy(dest, src, len);
dest[len] = '\0';
+ return len + 1;
}
- return ret;
+
+ return 0;
}
#endif
}
#endif
+#ifndef __HAVE_ARCH_STRLCAT
+/**
+ * strlcat - Append a length-limited, %NUL-terminated string to another
+ * @dest: The string to be appended to
+ * @src: The string to append to it
+ * @size: The size of @dest
+ *
+ * Compatible with *BSD: the result is always a valid NUL-terminated string that
+ * fits in the buffer (unless, of course, the buffer size is zero). It does not
+ * write past @size like strncat() does.
+ */
+size_t strlcat(char *dest, const char *src, size_t size)
+{
+ size_t len = strnlen(dest, size);
+
+ return len + strlcpy(dest + len, src, size - len);
+}
+#endif
+
#ifndef __HAVE_ARCH_STRCMP
/**
* strcmp - Compare two strings
*
* Do not use memset() to access IO space, use memset_io() instead.
*/
-void * memset(void * s,int c,size_t count)
+__used void * memset(void * s,int c,size_t count)
{
unsigned long *sl = (unsigned long *) s;
char *s8;
* You should not use this function to access IO space, use memcpy_toio()
* or memcpy_fromio() instead.
*/
-void * memcpy(void *dest, const void *src, size_t count)
+__used void * memcpy(void *dest, const void *src, size_t count)
{
unsigned long *dl = (unsigned long *)dest, *sl = (unsigned long *)src;
char *d8, *s8;
*
* Unlike memcpy(), memmove() copes with overlapping areas.
*/
-void * memmove(void * dest,const void *src,size_t count)
+__used void * memmove(void * dest,const void *src,size_t count)
{
char *tmp, *s;
* @ct: Another area of memory
* @count: The size of the area.
*/
-int memcmp(const void * cs,const void * ct,size_t count)
+__used int memcmp(const void * cs,const void * ct,size_t count)
{
const unsigned char *su1, *su2;
int res = 0;
}
#endif
+char *memdup(const void *src, size_t len)
+{
+ char *p;
+
+ p = malloc(len);
+ if (!p)
+ return NULL;
+
+ memcpy(p, src, len);
+
+ return p;
+}
+
#ifndef __HAVE_ARCH_STRSTR
/**
* strstr - Find the first substring in a %NUL terminated string