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Annotation of sbbs/include/mozilla/js/jsprf.h, revision 1.1

1.1     ! root        1: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
        !             2: /* ***** BEGIN LICENSE BLOCK *****
        !             3:  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
        !             4:  *
        !             5:  * The contents of this file are subject to the Mozilla Public License Version
        !             6:  * 1.1 (the "License"); you may not use this file except in compliance with
        !             7:  * the License. You may obtain a copy of the License at
        !             8:  * http://www.mozilla.org/MPL/
        !             9:  *
        !            10:  * Software distributed under the License is distributed on an "AS IS" basis,
        !            11:  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
        !            12:  * for the specific language governing rights and limitations under the
        !            13:  * License.
        !            14:  *
        !            15:  * The Original Code is Mozilla Communicator client code, released
        !            16:  * March 31, 1998.
        !            17:  *
        !            18:  * The Initial Developer of the Original Code is
        !            19:  * Netscape Communications Corporation.
        !            20:  * Portions created by the Initial Developer are Copyright (C) 1998
        !            21:  * the Initial Developer. All Rights Reserved.
        !            22:  *
        !            23:  * Contributor(s):
        !            24:  *
        !            25:  * Alternatively, the contents of this file may be used under the terms of
        !            26:  * either of the GNU General Public License Version 2 or later (the "GPL"),
        !            27:  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
        !            28:  * in which case the provisions of the GPL or the LGPL are applicable instead
        !            29:  * of those above. If you wish to allow use of your version of this file only
        !            30:  * under the terms of either the GPL or the LGPL, and not to allow others to
        !            31:  * use your version of this file under the terms of the MPL, indicate your
        !            32:  * decision by deleting the provisions above and replace them with the notice
        !            33:  * and other provisions required by the GPL or the LGPL. If you do not delete
        !            34:  * the provisions above, a recipient may use your version of this file under
        !            35:  * the terms of any one of the MPL, the GPL or the LGPL.
        !            36:  *
        !            37:  * ***** END LICENSE BLOCK ***** */
        !            38: 
        !            39: #ifndef jsprf_h___
        !            40: #define jsprf_h___
        !            41: 
        !            42: /*
        !            43: ** API for PR printf like routines. Supports the following formats
        !            44: ** %d - decimal
        !            45: ** %u - unsigned decimal
        !            46: ** %x - unsigned hex
        !            47: ** %X - unsigned uppercase hex
        !            48: ** %o - unsigned octal
        !            49: ** %hd, %hu, %hx, %hX, %ho - 16-bit versions of above
        !            50: ** %ld, %lu, %lx, %lX, %lo - 32-bit versions of above
        !            51: ** %lld, %llu, %llx, %llX, %llo - 64 bit versions of above
        !            52: ** %s - string
        !            53: ** %c - character
        !            54: ** %p - pointer (deals with machine dependent pointer size)
        !            55: ** %f - float
        !            56: ** %g - float
        !            57: */
        !            58: #include "jstypes.h"
        !            59: #include <stdio.h>
        !            60: #include <stdarg.h>
        !            61: 
        !            62: JS_BEGIN_EXTERN_C
        !            63: 
        !            64: /*
        !            65: ** sprintf into a fixed size buffer. Guarantees that a NUL is at the end
        !            66: ** of the buffer. Returns the length of the written output, NOT including
        !            67: ** the NUL, or (JSUint32)-1 if an error occurs.
        !            68: */
        !            69: extern JS_PUBLIC_API(JSUint32) JS_snprintf(char *out, JSUint32 outlen, const char *fmt, ...);
        !            70: 
        !            71: /*
        !            72: ** sprintf into a malloc'd buffer. Return a pointer to the malloc'd
        !            73: ** buffer on success, NULL on failure. Call "JS_smprintf_free" to release
        !            74: ** the memory returned.
        !            75: */
        !            76: extern JS_PUBLIC_API(char*) JS_smprintf(const char *fmt, ...);
        !            77: 
        !            78: /*
        !            79: ** Free the memory allocated, for the caller, by JS_smprintf
        !            80: */
        !            81: extern JS_PUBLIC_API(void) JS_smprintf_free(char *mem);
        !            82: 
        !            83: /*
        !            84: ** "append" sprintf into a malloc'd buffer. "last" is the last value of
        !            85: ** the malloc'd buffer. sprintf will append data to the end of last,
        !            86: ** growing it as necessary using realloc. If last is NULL, JS_sprintf_append
        !            87: ** will allocate the initial string. The return value is the new value of
        !            88: ** last for subsequent calls, or NULL if there is a malloc failure.
        !            89: */
        !            90: extern JS_PUBLIC_API(char*) JS_sprintf_append(char *last, const char *fmt, ...);
        !            91: 
        !            92: /*
        !            93: ** sprintf into a function. The function "f" is called with a string to
        !            94: ** place into the output. "arg" is an opaque pointer used by the stuff
        !            95: ** function to hold any state needed to do the storage of the output
        !            96: ** data. The return value is a count of the number of characters fed to
        !            97: ** the stuff function, or (JSUint32)-1 if an error occurs.
        !            98: */
        !            99: typedef JSIntn (*JSStuffFunc)(void *arg, const char *s, JSUint32 slen);
        !           100: 
        !           101: extern JS_PUBLIC_API(JSUint32) JS_sxprintf(JSStuffFunc f, void *arg, const char *fmt, ...);
        !           102: 
        !           103: /*
        !           104: ** va_list forms of the above.
        !           105: */
        !           106: extern JS_PUBLIC_API(JSUint32) JS_vsnprintf(char *out, JSUint32 outlen, const char *fmt, va_list ap);
        !           107: extern JS_PUBLIC_API(char*) JS_vsmprintf(const char *fmt, va_list ap);
        !           108: extern JS_PUBLIC_API(char*) JS_vsprintf_append(char *last, const char *fmt, va_list ap);
        !           109: extern JS_PUBLIC_API(JSUint32) JS_vsxprintf(JSStuffFunc f, void *arg, const char *fmt, va_list ap);
        !           110: 
        !           111: /*
        !           112: ***************************************************************************
        !           113: ** FUNCTION: JS_sscanf
        !           114: ** DESCRIPTION:
        !           115: **     JS_sscanf() scans the input character string, performs data
        !           116: **     conversions, and stores the converted values in the data objects
        !           117: **     pointed to by its arguments according to the format control
        !           118: **     string.
        !           119: **
        !           120: **     JS_sscanf() behaves the same way as the sscanf() function in the
        !           121: **     Standard C Library (stdio.h), with the following exceptions:
        !           122: **     - JS_sscanf() handles the NSPR integer and floating point types,
        !           123: **       such as JSInt16, JSInt32, JSInt64, and JSFloat64, whereas
        !           124: **       sscanf() handles the standard C types like short, int, long,
        !           125: **       and double.
        !           126: **     - JS_sscanf() has no multibyte character support, while sscanf()
        !           127: **       does.
        !           128: ** INPUTS:
        !           129: **     const char *buf
        !           130: **         a character string holding the input to scan
        !           131: **     const char *fmt
        !           132: **         the format control string for the conversions
        !           133: **     ...
        !           134: **         variable number of arguments, each of them is a pointer to
        !           135: **         a data object in which the converted value will be stored
        !           136: ** OUTPUTS: none
        !           137: ** RETURNS: JSInt32
        !           138: **     The number of values converted and stored.
        !           139: ** RESTRICTIONS:
        !           140: **    Multibyte characters in 'buf' or 'fmt' are not allowed.
        !           141: ***************************************************************************
        !           142: */
        !           143: 
        !           144: extern JS_PUBLIC_API(JSInt32) JS_sscanf(const char *buf, const char *fmt, ...);
        !           145: 
        !           146: JS_END_EXTERN_C
        !           147: 
        !           148: #endif /* jsprf_h___ */

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