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/*
* (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __VSPRINTF_H
#define __VSPRINTF_H
#include <stdarg.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 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);
/**
* 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
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