1 files changed, 215 insertions, 0 deletions
diff --git a/include/vsprintf.h b/include/vsprintf.h
new file mode 100644
index 0000000..d1740a3
--- /dev/null
+++ b/include/vsprintf.h
@@ -0,0 +1,215 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ */
+
+#ifndef __VSPRINTF_H
+#define __VSPRINTF_H
+
+#include <stdarg.h>
+#include <linux/types.h>
+
+ulong simple_strtoul(const char *cp, char **endp, unsigned int base);
+
+/**
+ * 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 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.
+ *
+ * strict_strtoul converts a string to an unsigned long only if the
+ * string is really an unsigned long string, any string containing
+ * any invalid char at the tail will be rejected and -EINVAL is returned,
+ * only a newline char at the tail is acceptible because people generally
+ * change a module parameter in the following way:
+ *
+ *      echo 1024 > /sys/module/e1000/parameters/copybreak
+ *
+ * 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.
+ *
+ * Copied this function from Linux 2.6.38 commit ID:
+ * 521cb40b0c44418a4fd36dc633f575813d59a43d
+ *
+ */
+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);
+
+/**
+ * trailing_strtol() - extract a trailing integer from a string
+ *
+ * Given a string this finds a trailing number on the string and returns it.
+ * For example, "abc123" would return 123.
+ *
+ * @str:	String to exxamine
+ * @return training number if found, else -1
+ */
+long trailing_strtol(const char *str);
+
+/**
+ * trailing_strtoln() - extract a trailing integer from a fixed-length string
+ *
+ * Given a fixed-length string this finds a trailing number on the string
+ * and returns it. For example, "abc123" would return 123. Only the
+ * characters between @str and @end - 1 are examined. If @end is NULL, it is
+ * set to str + strlen(str).
+ *
+ * @str:	String to exxamine
+ * @end:	Pointer to end of string to examine, or NULL to use the
+ *		whole string
+ * @return training number if found, else -1
+ */
+long trailing_strtoln(const char *str, const char *end);
+
+/**
+ * panic() - Print a message and reset/hang
+ *
+ * Prints a message on the console(s) and then resets. If CONFIG_PANIC_HANG is
+ * defined, then it will hang instead of resetting.
+ *
+ * @param fmt:	printf() format string for message, which should not include
+ *		\n, followed by arguments
+ */
+void panic(const char *fmt, ...)
+		__attribute__ ((format (__printf__, 1, 2), noreturn));
+
+/**
+ * panic_str() - Print a message and reset/hang
+ *
+ * Prints a message on the console(s) and then resets. If CONFIG_PANIC_HANG is
+ * defined, then it will hang instead of resetting.
+ *
+ * This function can be used instead of panic() when your board does not
+ * already use printf(), * to keep code size small.
+ *
+ * @param fmt:	string to display, which should not include \n
+ */
+void panic_str(const char *str) __attribute__ ((noreturn));
+
+/**
+ * Format a string and place it in a buffer
+ *
+ * @param buf	The buffer to place the result into
+ * @param fmt	The format string to use
+ * @param ...	Arguments for the format string
+ *
+ * The function returns the number of characters written
+ * into @buf.
+ *
+ * See the vsprintf() documentation for format string extensions over C99.
+ */
+int sprintf(char *buf, const char *fmt, ...)
+		__attribute__ ((format (__printf__, 2, 3)));
+
+/**
+ * Format a string and place it in a buffer (va_list version)
+ *
+ * @param buf	The buffer to place the result into
+ * @param fmt	The format string to use
+ * @param args	Arguments for the format string
+ * @return the number of characters which have been written into
+ * the @buf not including the trailing '\0'.
+ *
+ * If you're not already dealing with a va_list consider using scnprintf().
+ *
+ * See the vsprintf() documentation for format string extensions over C99.
+ */
+int vsprintf(char *buf, const char *fmt, va_list args);
+char *simple_itoa(ulong i);
+
+/**
+ * Format a string and place it in a buffer
+ *
+ * @param buf	The buffer to place the result into
+ * @param size	The size of the buffer, including the trailing null space
+ * @param fmt	The format string to use
+ * @param ...	Arguments for the format string
+ * @return the number of characters which would be
+ * generated for the given input, excluding the trailing null,
+ * as per ISO C99.  If the return is greater than or equal to
+ * @size, the resulting string is truncated.
+ *
+ * See the vsprintf() documentation for format string extensions over C99.
+ */
+int snprintf(char *buf, size_t size, const char *fmt, ...)
+		__attribute__ ((format (__printf__, 3, 4)));
+
+/**
+ * Format a string and place it in a buffer
+ *
+ * @param buf	The buffer to place the result into
+ * @param size	The size of the buffer, including the trailing null space
+ * @param fmt	The format string to use
+ * @param ...	Arguments for the format string
+ *
+ * The return value is the number of characters written into @buf not including
+ * the trailing '\0'. If @size is == 0 the function returns 0.
+ *
+ * See the vsprintf() documentation for format string extensions over C99.
+ */
+int scnprintf(char *buf, size_t size, const char *fmt, ...)
+		__attribute__ ((format (__printf__, 3, 4)));
+
+/**
+ * Format a string and place it in a buffer (base function)
+ *
+ * @param buf	The buffer to place the result into
+ * @param size	The size of the buffer, including the trailing null space
+ * @param fmt	The format string to use
+ * @param args	Arguments for the format string
+ * @return The number characters which would be generated for the given
+ * input, excluding the trailing '\0', as per ISO C99. Note that fewer
+ * characters may be written if this number of characters is >= size.
+ *
+ * This function follows C99 vsnprintf, but has some extensions:
+ * %pS output the name of a text symbol
+ * %pF output the name of a function pointer
+ * %pR output the address range in a struct resource
+ *
+ * The function returns the number of characters which would be
+ * generated for the given input, excluding the trailing '\0',
+ * as per ISO C99.
+ *
+ * Call this function if you are already dealing with a va_list.
+ * You probably want snprintf() instead.
+ */
+int vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
+
+/**
+ * Format a string and place it in a buffer (va_list version)
+ *
+ * @param buf	The buffer to place the result into
+ * @param size	The size of the buffer, including the trailing null space
+ * @param fmt	The format string to use
+ * @param args	Arguments for the format string
+ * @return the number of characters which have been written into
+ * the @buf not including the trailing '\0'. If @size is == 0 the function
+ * returns 0.
+ *
+ * If you're not already dealing with a va_list consider using scnprintf().
+ *
+ * See the vsprintf() documentation for format string extensions over C99.
+ */
+int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
+
+/**
+ * print_grouped_ull() - print a value with digits grouped by ','
+ *
+ * This prints a value with grouped digits, like 12,345,678 to make it easier
+ * to read.
+ *
+ * @val:	Value to print
+ * @digits:	Number of digiits to print
+ */
+void print_grouped_ull(unsigned long long int_val, int digits);
+
+bool str2off(const char *p, loff_t *num);
+bool str2long(const char *p, ulong *num);
+#endif