66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef jsprf_h
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#define jsprf_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 - "short" versions of above
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** %ld, %lu, %lx, %lX, %lo - "long" versions of above
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** %lld, %llu, %llx, %llX, %llo - "long long" versions of above
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** %zd, %zo, %zu, %zx, %zX - size_t versions of above
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** %Id, %Io, %Iu, %Ix, %IX - size_t versions of above (for Windows compat)
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** You should use PRI*SIZE macros instead
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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 "mozilla/IntegerPrintfMacros.h"
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#include "mozilla/SizePrintfMacros.h"
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#include <stdarg.h>
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#include "jstypes.h"
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/*
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** sprintf into a malloc'd buffer. Return a pointer to the malloc'd
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** buffer on success, nullptr on failure. Call "JS_smprintf_free" to release
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** the memory returned.
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*/
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extern JS_PUBLIC_API(char*) JS_smprintf(const char* fmt, ...)
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MOZ_FORMAT_PRINTF(1, 2);
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/*
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** Free the memory allocated, for the caller, by JS_smprintf
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*/
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extern JS_PUBLIC_API(void) JS_smprintf_free(char* mem);
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/*
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** "append" sprintf into a malloc'd buffer. "last" is the last value of
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** the 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 nullptr, JS_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 nullptr if there is a malloc failure.
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*/
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extern JS_PUBLIC_API(char*) JS_sprintf_append(char* last, const char* fmt, ...)
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MOZ_FORMAT_PRINTF(2, 3);
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/*
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** va_list forms of the above.
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*/
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extern JS_PUBLIC_API(char*) JS_vsmprintf(const char* fmt, va_list ap);
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extern JS_PUBLIC_API(char*) JS_vsprintf_append(char* last, const char* fmt, va_list ap);
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#endif /* jsprf_h */
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