Merge tag 'v2021.10-rc4' into next

[platform/kernel/u-boot.git] / include / vsprintf.h

diff --git a/include/vsprintf.h b/include/vsprintf.h
index 56844dd..83d187e 100644 (file)
--- a/include/vsprintf.h
+++ b/include/vsprintf.h
@@ -10,12 +10,57 @@
 #include <stdarg.h>
 #include <linux/types.h>
 
+/**
+ * simple_strtoul - convert a string to an unsigned long
+ *
+ * @param cp   The string to be converted
+ * @param endp Updated to point to the first character not converted
+ * @param base The number base to use (0 for the default)
+ * @return value decoded from string (0 if invalid)
+ *
+ * Converts a string to an unsigned long. If there are invalid characters at
+ * the end these are ignored. In the worst case, if all characters are invalid,
+ * 0 is returned
+ *
+ * A hex prefix is supported (e.g. 0x123) regardless of the value of @base.
+ * If found, the base is set to hex (16).
+ *
+ * If @base is 0:
+ *    - an octal '0' prefix (e.g. 0777) sets the base to octal (8).
+ *    - otherwise the base defaults to decimal (10).
+ */
 ulong simple_strtoul(const char *cp, char **endp, unsigned int base);
 
 /**
+ * hex_strtoul - convert a string in hex to an unsigned long
+ *
+ * @param cp   The string to be converted
+ * @param endp Updated to point to the first character not converted
+ * @return value decoded from string (0 if invalid)
+ *
+ * Converts a hex string to an unsigned long. If there are invalid characters at
+ * the end these are ignored. In the worst case, if all characters are invalid,
+ * 0 is returned
+ */
+unsigned long hextoul(const char *cp, char **endp);
+
+/**
+ * dec_strtoul - convert a string in decimal to an unsigned long
+ *
+ * @param cp   The string to be converted
+ * @param endp Updated to point to the first character not converted
+ * @return value decoded from string (0 if invalid)
+ *
+ * Converts a decimal string to an unsigned long. If there are invalid
+ * characters at the end these are ignored. In the worst case, if all characters
+ * are invalid, 0 is returned
+ */
+unsigned long dectoul(const char *cp, char **endp);
+
+/**
  * strict_strtoul - convert a string to an unsigned long strictly
  * @param cp   The string to be converted
- * @param base The number base to use
+ * @param base The number base to use (0 for the default)
  * @param res  The converted result value
  * @return 0 if conversion is successful and *res is set to the converted
  * value, otherwise it returns -EINVAL and *res is set to 0.
@@ -30,8 +75,12 @@ ulong simple_strtoul(const char *cp, char **endp, unsigned int base);
  *
  * echo will append a newline to the tail.
  *
- * simple_strtoul just ignores the successive invalid characters and
- * return the converted value of prefix part of the string.
+ * A hex prefix is supported (e.g. 0x123) regardless of the value of @base.
+ * If found, the base is set to hex (16).
+ *
+ * If @base is 0:
+ *    - an octal '0' prefix (e.g. 0777) sets the base to octal (8).
+ *    - otherwise the base defaults to decimal (10).
  *
  * Copied this function from Linux 2.6.38 commit ID:
  * 521cb40b0c44418a4fd36dc633f575813d59a43d
@@ -41,6 +90,7 @@ int strict_strtoul(const char *cp, unsigned int base, unsigned long *res);
 unsigned long long simple_strtoull(const char *cp, char **endp,
                                        unsigned int base);
 long simple_strtol(const char *cp, char **endp, unsigned int base);
+long long simple_strtoll(const char *cp, char **endp, unsigned int base);
 
 /**
  * trailing_strtol() - extract a trailing integer from a string
@@ -222,4 +272,24 @@ bool str2long(const char *p, ulong *num);
  * @hz: Value to convert
  */
 char *strmhz(char *buf, unsigned long hz);
+
+/**
+ * str_to_upper() - Convert a string to upper case
+ *
+ * This simply uses toupper() on each character of the string.
+ *
+ * @in: String to convert (must be large enough to hold the output string)
+ * @out: Buffer to put converted string
+ * @len: Number of bytes available in @out (SIZE_MAX for all)
+ */
+void str_to_upper(const char *in, char *out, size_t len);
+
+/**
+ * sscanf - Unformat a buffer into a list of arguments
+ * @buf:       input buffer
+ * @fmt:       formatting of buffer
+ * @...:       resulting arguments
+ */
+int sscanf(const char *buf, const char *fmt, ...);
+
 #endif