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API docs to .h

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This commit is contained in:
Michael Brown 2005-05-19 18:41:54 +00:00
parent 2ddbac101e
commit 8bc4551f5e
2 changed files with 41 additions and 40 deletions
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37
src/core/vsprintf.c
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@ -10,42 +10,7 @@
#define SHRT_SHIFT ((int)((sizeof(unsigned short)*CHAR_BIT) - 4))
#define CHAR_SHIFT ((int)((sizeof(unsigned char)*CHAR_BIT) - 4))
/** @file
*
* printf and friends.
*
* Etherboot's printf() functions understand the following format
* specifiers:
*
* - Hexadecimal integers
* - @c %[#]x - 4 bytes int (8 hex digits, lower case)
* - @c %[#]X - 4 bytes int (8 hex digits, upper case)
* - @c %[#]lx - 8 bytes long (16 hex digits, lower case)
* - @c %[#]lX - 8 bytes long (16 hex digits, upper case)
* - @c %[#]hx - 2 bytes int (4 hex digits, lower case)
* - @c %[#]hX - 2 bytes int (4 hex digits, upper case)
* - @c %[#]hhx - 1 byte int (2 hex digits, lower case)
* - @c %[#]hhX - 1 byte int (2 hex digits, upper case)
* .
* If the optional # prefix is specified, the output will
* be prefixed with 0x (or 0X).
*
* - Other integers
* - @c %d - decimal int
* .
* Note that any width specification (e.g. the @c 02 in @c %02x)
* will be accepted but ignored.
*
* - Strings and characters
* - @c %c - char
* - @c %s - string
* - @c %m - error message text (i.e. strerror(errno))
*
* - Etherboot-specific specifiers
* - @c %@ - IP in ddd.ddd.ddd.ddd notation
* - @c %! - MAC address in xx:xx:xx:xx:xx:xx notation
*
*/
/** @file */
/**
* Write a formatted string to a buffer.

44
src/include/vsprintf.h
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@ -1,10 +1,46 @@
#ifndef VSPRINTF_H
#define VSPRINTF_H
/*
* Note that we cannot use __attribute__ (( format ( printf, ... ) ))
* to get automatic type checking on arguments, because we use
* non-standard format characters such as "%!" and "%@".
/** @file
*
* printf and friends.
*
* Etherboot's printf() functions understand the following format
* specifiers:
*
* - Hexadecimal integers
* - @c %[#]x - 4 bytes int (8 hex digits, lower case)
* - @c %[#]X - 4 bytes int (8 hex digits, upper case)
* - @c %[#]lx - 8 bytes long (16 hex digits, lower case)
* - @c %[#]lX - 8 bytes long (16 hex digits, upper case)
* - @c %[#]hx - 2 bytes int (4 hex digits, lower case)
* - @c %[#]hX - 2 bytes int (4 hex digits, upper case)
* - @c %[#]hhx - 1 byte int (2 hex digits, lower case)
* - @c %[#]hhX - 1 byte int (2 hex digits, upper case)
* .
* If the optional # prefix is specified, the output will
* be prefixed with 0x (or 0X).
*
* - Other integers
* - @c %d - decimal int
* .
* Note that any width specification (e.g. the @c 02 in @c %02x)
* will be accepted but ignored.
*
* - Strings and characters
* - @c %c - char
* - @c %s - string
* - @c %m - error message text (i.e. strerror(errno))
*
* - Etherboot-specific specifiers
* - @c %@ - IP address in ddd.ddd.ddd.ddd notation
* - @c %! - MAC address in xx:xx:xx:xx:xx:xx notation
*
*
* @note Unfortunately, we cannot use <tt> __attribute__ (( format (
* printf, ... ) )) </tt> to get automatic type checking on arguments,
* because we use non-standard format characters such as @c %! and
* @c %@.
*
*/