1 files changed, 181 insertions, 0 deletions
diff --git a/include/vsprintf.h b/include/vsprintf.h
new file mode 100644
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--- /dev/null
+++ b/include/vsprintf.h
@@ -0,0 +1,181 @@
+/*
+ * (C) Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __VSPRINTF_H
+#define __VSPRINTF_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);
+void panic(const char *fmt, ...)
+		__attribute__ ((format (__printf__, 1, 2), 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 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 vsprintf(char *buf, const char *fmt, va_list args);
+char *simple_itoa(ulong i);
+
+#ifdef CONFIG_SYS_VSNPRINTF
+/**
+ * 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);
+#else
+/*
+ * Use macros to silently drop the size parameter. Note that the 'cn'
+ * versions are the same as the 'n' versions since the functions assume
+ * there is always enough buffer space when !CONFIG_SYS_VSNPRINTF
+ */
+#define snprintf(buf, size, fmt, args...) sprintf(buf, fmt, ##args)
+#define scnprintf(buf, size, fmt, args...) sprintf(buf, fmt, ##args)
+#define vsnprintf(buf, size, fmt, args...) vsprintf(buf, fmt, ##args)
+#define vscnprintf(buf, size, fmt, args...) vsprintf(buf, fmt, ##args)
+#endif /* CONFIG_SYS_VSNPRINTF */
+
+#endif