From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- nsprpub/pr/include/prprf.h | 122 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 nsprpub/pr/include/prprf.h (limited to 'nsprpub/pr/include/prprf.h') diff --git a/nsprpub/pr/include/prprf.h b/nsprpub/pr/include/prprf.h new file mode 100644 index 0000000000..759ef4053a --- /dev/null +++ b/nsprpub/pr/include/prprf.h @@ -0,0 +1,122 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef prprf_h___ +#define prprf_h___ + +/* +** API for PR printf like routines. Supports the following formats +** %d - decimal +** %u - unsigned decimal +** %x - unsigned hex +** %X - unsigned uppercase hex +** %o - unsigned octal +** %hd, %hu, %hx, %hX, %ho - 16-bit versions of above +** %ld, %lu, %lx, %lX, %lo - 32-bit versions of above +** %lld, %llu, %llx, %llX, %llo - 64 bit versions of above +** %s - string +** %c - character +** %p - pointer (deals with machine dependent pointer size) +** %f - float +** %g - float +*/ +#include "prtypes.h" +#include "prio.h" +#include +#include + +PR_BEGIN_EXTERN_C + +/* +** sprintf into a fixed size buffer. Guarantees that a NUL is at the end +** of the buffer. Returns the length of the written output, NOT including +** the NUL, or (PRUint32)-1 if an error occurs. +*/ +NSPR_API(PRUint32) PR_snprintf(char *out, PRUint32 outlen, const char *fmt, ...); + +/* +** sprintf into a PR_MALLOC'd buffer. Return a pointer to the malloc'd +** buffer on success, NULL on failure. Call "PR_smprintf_free" to release +** the memory returned. +*/ +NSPR_API(char*) PR_smprintf(const char *fmt, ...); + +/* +** Free the memory allocated, for the caller, by PR_smprintf +*/ +NSPR_API(void) PR_smprintf_free(char *mem); + +/* +** "append" sprintf into a PR_MALLOC'd buffer. "last" is the last value of +** the PR_MALLOC'd buffer. sprintf will append data to the end of last, +** growing it as necessary using realloc. If last is NULL, PR_sprintf_append +** will allocate the initial string. The return value is the new value of +** last for subsequent calls, or NULL if there is a malloc failure. +*/ +NSPR_API(char*) PR_sprintf_append(char *last, const char *fmt, ...); + +/* +** sprintf into a function. The function "f" is called with a string to +** place into the output. "arg" is an opaque pointer used by the stuff +** function to hold any state needed to do the storage of the output +** data. The return value is a count of the number of characters fed to +** the stuff function, or (PRUint32)-1 if an error occurs. +*/ +typedef PRIntn (*PRStuffFunc)(void *arg, const char *s, PRUint32 slen); + +NSPR_API(PRUint32) PR_sxprintf(PRStuffFunc f, void *arg, const char *fmt, ...); + +/* +** fprintf to a PRFileDesc +*/ +NSPR_API(PRUint32) PR_fprintf(struct PRFileDesc* fd, const char *fmt, ...); + +/* +** va_list forms of the above. +*/ +NSPR_API(PRUint32) PR_vsnprintf(char *out, PRUint32 outlen, const char *fmt, va_list ap); +NSPR_API(char*) PR_vsmprintf(const char *fmt, va_list ap); +NSPR_API(char*) PR_vsprintf_append(char *last, const char *fmt, va_list ap); +NSPR_API(PRUint32) PR_vsxprintf(PRStuffFunc f, void *arg, const char *fmt, va_list ap); +NSPR_API(PRUint32) PR_vfprintf(struct PRFileDesc* fd, const char *fmt, va_list ap); + +/* +*************************************************************************** +** FUNCTION: PR_sscanf +** DESCRIPTION: +** PR_sscanf() scans the input character string, performs data +** conversions, and stores the converted values in the data objects +** pointed to by its arguments according to the format control +** string. +** +** PR_sscanf() behaves the same way as the sscanf() function in the +** Standard C Library (stdio.h), with the following exceptions: +** - PR_sscanf() handles the NSPR integer and floating point types, +** such as PRInt16, PRInt32, PRInt64, and PRFloat64, whereas +** sscanf() handles the standard C types like short, int, long, +** and double. +** - PR_sscanf() has no multibyte character support, while sscanf() +** does. +** INPUTS: +** const char *buf +** a character string holding the input to scan +** const char *fmt +** the format control string for the conversions +** ... +** variable number of arguments, each of them is a pointer to +** a data object in which the converted value will be stored +** OUTPUTS: none +** RETURNS: PRInt32 +** The number of values converted and stored. +** RESTRICTIONS: +** Multibyte characters in 'buf' or 'fmt' are not allowed. +*************************************************************************** +*/ + +NSPR_API(PRInt32) PR_sscanf(const char *buf, const char *fmt, ...); + +PR_END_EXTERN_C + +#endif /* prprf_h___ */ -- cgit v1.2.3