string: Add strchrnul()

[u-boot] / include / linux / string.h

diff --git a/include/linux/string.h b/include/linux/string.h
index 62390399b0b1b7e160001abd437fd2020bfee808..718c3720a12be743a08bd4087f921b9faa5f797e 100644 (file)
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -26,6 +26,9 @@ extern char * strcpy(char *,const char *);
 #ifndef __HAVE_ARCH_STRNCPY
 extern char * strncpy(char *,const char *, __kernel_size_t);
 #endif
+#ifndef __HAVE_ARCH_STRLCPY
+size_t strlcpy(char *, const char *, size_t);
+#endif
 #ifndef __HAVE_ARCH_STRCAT
 extern char * strcat(char *, const char *);
 #endif
@@ -38,15 +41,32 @@ extern int strcmp(const char *,const char *);
 #ifndef __HAVE_ARCH_STRNCMP
 extern int strncmp(const char *,const char *,__kernel_size_t);
 #endif
-#if 0 /* not used - was: #ifndef __HAVE_ARCH_STRNICMP */
-extern int strnicmp(const char *, const char *, __kernel_size_t);
+#ifndef __HAVE_ARCH_STRCASECMP
+int strcasecmp(const char *s1, const char *s2);
+#endif
+#ifndef __HAVE_ARCH_STRNCASECMP
+extern int strncasecmp(const char *s1, const char *s2, __kernel_size_t len);
 #endif
 #ifndef __HAVE_ARCH_STRCHR
 extern char * strchr(const char *,int);
 #endif
+
+/**
+ * strchrnul() - return position of a character in the string, or end of string
+ *
+ * The strchrnul() function is like strchr() except that if c is not found
+ * in s, then it returns a pointer to the nul byte at the end of s, rather than
+ * NULL
+ * @s: string to search
+ * @c: character to search for
+ * @return position of @c in @s, or end of @s if not found
+ */
+const char *strchrnul(const char *s, int c);
+
 #ifndef __HAVE_ARCH_STRRCHR
 extern char * strrchr(const char *,int);
 #endif
+#include <linux/linux_string.h>
 #ifndef __HAVE_ARCH_STRSTR
 extern char * strstr(const char *,const char *);
 #endif
@@ -81,6 +101,12 @@ extern int memcmp(const void *,const void *,__kernel_size_t);
 #ifndef __HAVE_ARCH_MEMCHR
 extern void * memchr(const void *,int,__kernel_size_t);
 #endif
+#ifndef __HAVE_ARCH_MEMCHR_INV
+void *memchr_inv(const void *, int, size_t);
+#endif
+
+unsigned long ustrtoul(const char *cp, char **endp, unsigned int base);
+unsigned long long ustrtoull(const char *cp, char **endp, unsigned int base);
 
 #ifdef __cplusplus
 }