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154
Src/nprt_plugin/gecko/1.8/win/include/prprf.h
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Src/nprt_plugin/gecko/1.8/win/include/prprf.h
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef prprf_h___
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#define prprf_h___
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/*
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** API for PR printf like routines. Supports the following formats
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** %d - decimal
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** %u - unsigned decimal
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** %x - unsigned hex
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** %X - unsigned uppercase hex
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** %o - unsigned octal
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** %hd, %hu, %hx, %hX, %ho - 16-bit versions of above
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** %ld, %lu, %lx, %lX, %lo - 32-bit versions of above
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** %lld, %llu, %llx, %llX, %llo - 64 bit versions of above
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** %s - string
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** %c - character
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** %p - pointer (deals with machine dependent pointer size)
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** %f - float
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** %g - float
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*/
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#include "prtypes.h"
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#include "prio.h"
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#include <stdio.h>
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#include <stdarg.h>
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PR_BEGIN_EXTERN_C
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/*
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** sprintf into a fixed size buffer. Guarantees that a NUL is at the end
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** of the buffer. Returns the length of the written output, NOT including
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** the NUL, or (PRUint32)-1 if an error occurs.
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*/
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NSPR_API(PRUint32) PR_snprintf(char *out, PRUint32 outlen, const char *fmt, ...);
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/*
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** sprintf into a PR_MALLOC'd buffer. Return a pointer to the malloc'd
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** buffer on success, NULL on failure. Call "PR_smprintf_free" to release
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** the memory returned.
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*/
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NSPR_API(char*) PR_smprintf(const char *fmt, ...);
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/*
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** Free the memory allocated, for the caller, by PR_smprintf
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*/
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NSPR_API(void) PR_smprintf_free(char *mem);
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/*
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** "append" sprintf into a PR_MALLOC'd buffer. "last" is the last value of
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** the PR_MALLOC'd buffer. sprintf will append data to the end of last,
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** growing it as necessary using realloc. If last is NULL, PR_sprintf_append
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** will allocate the initial string. The return value is the new value of
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** last for subsequent calls, or NULL if there is a malloc failure.
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*/
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NSPR_API(char*) PR_sprintf_append(char *last, const char *fmt, ...);
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/*
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** sprintf into a function. The function "f" is called with a string to
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** place into the output. "arg" is an opaque pointer used by the stuff
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** function to hold any state needed to do the storage of the output
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** data. The return value is a count of the number of characters fed to
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** the stuff function, or (PRUint32)-1 if an error occurs.
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*/
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typedef PRIntn (*PRStuffFunc)(void *arg, const char *s, PRUint32 slen);
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NSPR_API(PRUint32) PR_sxprintf(PRStuffFunc f, void *arg, const char *fmt, ...);
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/*
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** fprintf to a PRFileDesc
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*/
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NSPR_API(PRUint32) PR_fprintf(struct PRFileDesc* fd, const char *fmt, ...);
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/*
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** va_list forms of the above.
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*/
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NSPR_API(PRUint32) PR_vsnprintf(char *out, PRUint32 outlen, const char *fmt, va_list ap);
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NSPR_API(char*) PR_vsmprintf(const char *fmt, va_list ap);
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NSPR_API(char*) PR_vsprintf_append(char *last, const char *fmt, va_list ap);
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NSPR_API(PRUint32) PR_vsxprintf(PRStuffFunc f, void *arg, const char *fmt, va_list ap);
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NSPR_API(PRUint32) PR_vfprintf(struct PRFileDesc* fd, const char *fmt, va_list ap);
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/*
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***************************************************************************
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** FUNCTION: PR_sscanf
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** DESCRIPTION:
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** PR_sscanf() scans the input character string, performs data
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** conversions, and stores the converted values in the data objects
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** pointed to by its arguments according to the format control
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** string.
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**
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** PR_sscanf() behaves the same way as the sscanf() function in the
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** Standard C Library (stdio.h), with the following exceptions:
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** - PR_sscanf() handles the NSPR integer and floating point types,
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** such as PRInt16, PRInt32, PRInt64, and PRFloat64, whereas
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** sscanf() handles the standard C types like short, int, long,
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** and double.
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** - PR_sscanf() has no multibyte character support, while sscanf()
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** does.
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** INPUTS:
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** const char *buf
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** a character string holding the input to scan
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** const char *fmt
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** the format control string for the conversions
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** ...
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** variable number of arguments, each of them is a pointer to
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** a data object in which the converted value will be stored
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** OUTPUTS: none
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** RETURNS: PRInt32
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** The number of values converted and stored.
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** RESTRICTIONS:
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** Multibyte characters in 'buf' or 'fmt' are not allowed.
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***************************************************************************
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*/
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NSPR_API(PRInt32) PR_sscanf(const char *buf, const char *fmt, ...);
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PR_END_EXTERN_C
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#endif /* prprf_h___ */
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