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Annotation of sbbs/include/mozilla/nspr/prprf.h, revision 1.1

1.1     ! root        1: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
        !             2: /* 
        !             3:  * The contents of this file are subject to the Mozilla Public
        !             4:  * License Version 1.1 (the "License"); you may not use this file
        !             5:  * except in compliance with the License. You may obtain a copy of
        !             6:  * the License at http://www.mozilla.org/MPL/
        !             7:  * 
        !             8:  * Software distributed under the License is distributed on an "AS
        !             9:  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
        !            10:  * implied. See the License for the specific language governing
        !            11:  * rights and limitations under the License.
        !            12:  * 
        !            13:  * The Original Code is the Netscape Portable Runtime (NSPR).
        !            14:  * 
        !            15:  * The Initial Developer of the Original Code is Netscape
        !            16:  * Communications Corporation.  Portions created by Netscape are 
        !            17:  * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
        !            18:  * Rights Reserved.
        !            19:  * 
        !            20:  * Contributor(s):
        !            21:  * 
        !            22:  * Alternatively, the contents of this file may be used under the
        !            23:  * terms of the GNU General Public License Version 2 or later (the
        !            24:  * "GPL"), in which case the provisions of the GPL are applicable 
        !            25:  * instead of those above.  If you wish to allow use of your 
        !            26:  * version of this file only under the terms of the GPL and not to
        !            27:  * allow others to use your version of this file under the MPL,
        !            28:  * indicate your decision by deleting the provisions above and
        !            29:  * replace them with the notice and other provisions required by
        !            30:  * the GPL.  If you do not delete the provisions above, a recipient
        !            31:  * may use your version of this file under either the MPL or the
        !            32:  * GPL.
        !            33:  */
        !            34: 
        !            35: #ifndef prprf_h___
        !            36: #define prprf_h___
        !            37: 
        !            38: /*
        !            39: ** API for PR printf like routines. Supports the following formats
        !            40: ** %d - decimal
        !            41: ** %u - unsigned decimal
        !            42: ** %x - unsigned hex
        !            43: ** %X - unsigned uppercase hex
        !            44: ** %o - unsigned octal
        !            45: ** %hd, %hu, %hx, %hX, %ho - 16-bit versions of above
        !            46: ** %ld, %lu, %lx, %lX, %lo - 32-bit versions of above
        !            47: ** %lld, %llu, %llx, %llX, %llo - 64 bit versions of above
        !            48: ** %s - string
        !            49: ** %c - character
        !            50: ** %p - pointer (deals with machine dependent pointer size)
        !            51: ** %f - float
        !            52: ** %g - float
        !            53: */
        !            54: #include "prtypes.h"
        !            55: #include "prio.h"
        !            56: #include <stdio.h>
        !            57: #include <stdarg.h>
        !            58: 
        !            59: PR_BEGIN_EXTERN_C
        !            60: 
        !            61: /*
        !            62: ** sprintf into a fixed size buffer. Guarantees that a NUL is at the end
        !            63: ** of the buffer. Returns the length of the written output, NOT including
        !            64: ** the NUL, or (PRUint32)-1 if an error occurs.
        !            65: */
        !            66: NSPR_API(PRUint32) PR_snprintf(char *out, PRUint32 outlen, const char *fmt, ...);
        !            67: 
        !            68: /*
        !            69: ** sprintf into a PR_MALLOC'd buffer. Return a pointer to the malloc'd
        !            70: ** buffer on success, NULL on failure. Call "PR_smprintf_free" to release
        !            71: ** the memory returned.
        !            72: */
        !            73: NSPR_API(char*) PR_smprintf(const char *fmt, ...);
        !            74: 
        !            75: /*
        !            76: ** Free the memory allocated, for the caller, by PR_smprintf
        !            77: */
        !            78: NSPR_API(void) PR_smprintf_free(char *mem);
        !            79: 
        !            80: /*
        !            81: ** "append" sprintf into a PR_MALLOC'd buffer. "last" is the last value of
        !            82: ** the PR_MALLOC'd buffer. sprintf will append data to the end of last,
        !            83: ** growing it as necessary using realloc. If last is NULL, PR_sprintf_append
        !            84: ** will allocate the initial string. The return value is the new value of
        !            85: ** last for subsequent calls, or NULL if there is a malloc failure.
        !            86: */
        !            87: NSPR_API(char*) PR_sprintf_append(char *last, const char *fmt, ...);
        !            88: 
        !            89: /*
        !            90: ** sprintf into a function. The function "f" is called with a string to
        !            91: ** place into the output. "arg" is an opaque pointer used by the stuff
        !            92: ** function to hold any state needed to do the storage of the output
        !            93: ** data. The return value is a count of the number of characters fed to
        !            94: ** the stuff function, or (PRUint32)-1 if an error occurs.
        !            95: */
        !            96: typedef PRIntn (*PRStuffFunc)(void *arg, const char *s, PRUint32 slen);
        !            97: 
        !            98: NSPR_API(PRUint32) PR_sxprintf(PRStuffFunc f, void *arg, const char *fmt, ...);
        !            99: 
        !           100: /*
        !           101: ** fprintf to a PRFileDesc
        !           102: */
        !           103: NSPR_API(PRUint32) PR_fprintf(struct PRFileDesc* fd, const char *fmt, ...);
        !           104: 
        !           105: /*
        !           106: ** va_list forms of the above.
        !           107: */
        !           108: NSPR_API(PRUint32) PR_vsnprintf(char *out, PRUint32 outlen, const char *fmt, va_list ap);
        !           109: NSPR_API(char*) PR_vsmprintf(const char *fmt, va_list ap);
        !           110: NSPR_API(char*) PR_vsprintf_append(char *last, const char *fmt, va_list ap);
        !           111: NSPR_API(PRUint32) PR_vsxprintf(PRStuffFunc f, void *arg, const char *fmt, va_list ap);
        !           112: NSPR_API(PRUint32) PR_vfprintf(struct PRFileDesc* fd, const char *fmt, va_list ap);
        !           113: 
        !           114: /*
        !           115: ***************************************************************************
        !           116: ** FUNCTION: PR_sscanf
        !           117: ** DESCRIPTION:
        !           118: **     PR_sscanf() scans the input character string, performs data
        !           119: **     conversions, and stores the converted values in the data objects
        !           120: **     pointed to by its arguments according to the format control
        !           121: **     string.
        !           122: **
        !           123: **     PR_sscanf() behaves the same way as the sscanf() function in the
        !           124: **     Standard C Library (stdio.h), with the following exceptions:
        !           125: **     - PR_sscanf() handles the NSPR integer and floating point types,
        !           126: **       such as PRInt16, PRInt32, PRInt64, and PRFloat64, whereas
        !           127: **       sscanf() handles the standard C types like short, int, long,
        !           128: **       and double.
        !           129: **     - PR_sscanf() has no multibyte character support, while sscanf()
        !           130: **       does.
        !           131: ** INPUTS:
        !           132: **     const char *buf
        !           133: **         a character string holding the input to scan
        !           134: **     const char *fmt
        !           135: **         the format control string for the conversions
        !           136: **     ...
        !           137: **         variable number of arguments, each of them is a pointer to
        !           138: **         a data object in which the converted value will be stored
        !           139: ** OUTPUTS: none
        !           140: ** RETURNS: PRInt32
        !           141: **     The number of values converted and stored.
        !           142: ** RESTRICTIONS:
        !           143: **    Multibyte characters in 'buf' or 'fmt' are not allowed.
        !           144: ***************************************************************************
        !           145: */
        !           146: 
        !           147: NSPR_API(PRInt32) PR_sscanf(const char *buf, const char *fmt, ...);
        !           148: 
        !           149: PR_END_EXTERN_C
        !           150: 
        !           151: #endif /* prprf_h___ */

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