Subject: Re: [PATCH] strstrip incorrectly marked __must_check

[safe/jmp/linux-2.6] / include / linux / string.h

diff --git a/include/linux/string.h b/include/linux/string.h
index 93994c6..651839a 100644 (file)
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -1,22 +1,19 @@
 #ifndef _LINUX_STRING_H_
 #define _LINUX_STRING_H_
 
-/* We don't want strings.h stuff being user by user stuff by accident */
+/* We don't want strings.h stuff being used by user stuff by accident */
 
-#ifdef __KERNEL__
+#ifndef __KERNEL__
+#include <string.h>
+#else
 
 #include <linux/compiler.h>    /* for inline */
 #include <linux/types.h>       /* for size_t */
 #include <linux/stddef.h>      /* for NULL */
+#include <stdarg.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-extern char * strpbrk(const char *,const char *);
-extern char * strsep(char **,const char *);
-extern __kernel_size_t strspn(const char *,const char *);
-extern __kernel_size_t strcspn(const char *,const char *);
+extern char *strndup_user(const char __user *, long);
+extern void *memdup_user(const void __user *, size_t);
 
 /*
  * Include machine specific inline routines
@@ -50,6 +47,12 @@ extern int strncmp(const char *,const char *,__kernel_size_t);
 #ifndef __HAVE_ARCH_STRNICMP
 extern int strnicmp(const char *, const char *, __kernel_size_t);
 #endif
+#ifndef __HAVE_ARCH_STRCASECMP
+extern int strcasecmp(const char *s1, const char *s2);
+#endif
+#ifndef __HAVE_ARCH_STRNCASECMP
+extern int strncasecmp(const char *s1, const char *s2, size_t n);
+#endif
 #ifndef __HAVE_ARCH_STRCHR
 extern char * strchr(const char *,int);
 #endif
@@ -59,6 +62,15 @@ extern char * strnchr(const char *, size_t, int);
 #ifndef __HAVE_ARCH_STRRCHR
 extern char * strrchr(const char *,int);
 #endif
+extern char * __must_check skip_spaces(const char *);
+
+extern char *strim(char *);
+
+static inline __must_check char *strstrip(char *str)
+{
+       return strim(str);
+}
+
 #ifndef __HAVE_ARCH_STRSTR
 extern char * strstr(const char *,const char *);
 #endif
@@ -68,6 +80,18 @@ extern __kernel_size_t strlen(const char *);
 #ifndef __HAVE_ARCH_STRNLEN
 extern __kernel_size_t strnlen(const char *,__kernel_size_t);
 #endif
+#ifndef __HAVE_ARCH_STRPBRK
+extern char * strpbrk(const char *,const char *);
+#endif
+#ifndef __HAVE_ARCH_STRSEP
+extern char * strsep(char **,const char *);
+#endif
+#ifndef __HAVE_ARCH_STRSPN
+extern __kernel_size_t strspn(const char *,const char *);
+#endif
+#ifndef __HAVE_ARCH_STRCSPN
+extern __kernel_size_t strcspn(const char *,const char *);
+#endif
 
 #ifndef __HAVE_ARCH_MEMSET
 extern void * memset(void *,int,__kernel_size_t);
@@ -88,11 +112,32 @@ extern int memcmp(const void *,const void *,__kernel_size_t);
 extern void * memchr(const void *,int,__kernel_size_t);
 #endif
 
-extern char *kstrdup(const char *s, int gfp);
+extern char *kstrdup(const char *s, gfp_t gfp);
+extern char *kstrndup(const char *s, size_t len, gfp_t gfp);
+extern void *kmemdup(const void *src, size_t len, gfp_t gfp);
 
-#ifdef __cplusplus
-}
+extern char **argv_split(gfp_t gfp, const char *str, int *argcp);
+extern void argv_free(char **argv);
+
+extern bool sysfs_streq(const char *s1, const char *s2);
+
+#ifdef CONFIG_BINARY_PRINTF
+int vbin_printf(u32 *bin_buf, size_t size, const char *fmt, va_list args);
+int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf);
+int bprintf(u32 *bin_buf, size_t size, const char *fmt, ...) __printf(3, 4);
 #endif
 
+extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos,
+                       const void *from, size_t available);
+
+/**
+ * strstarts - does @str start with @prefix?
+ * @str: string to examine
+ * @prefix: prefix to look for.
+ */
+static inline bool strstarts(const char *str, const char *prefix)
+{
+       return strncmp(str, prefix, strlen(prefix)) == 0;
+}
 #endif
 #endif /* _LINUX_STRING_H_ */