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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /xpcom/glue/nsTextFormatter.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
download | uxp-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz |
Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/glue/nsTextFormatter.h')
-rw-r--r-- | xpcom/glue/nsTextFormatter.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/xpcom/glue/nsTextFormatter.h b/xpcom/glue/nsTextFormatter.h new file mode 100644 index 0000000000..4cd44be320 --- /dev/null +++ b/xpcom/glue/nsTextFormatter.h @@ -0,0 +1,80 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +/* + * This code was copied from xpcom/ds/nsTextFormatter r1.3 + * Memory model and Frozen linkage changes only. + * -- Prasad <prasad@medhas.org> + */ + +#ifndef nsTextFormatter_h___ +#define nsTextFormatter_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 - utf8 string + ** %S - char16_t string + ** %c - character + ** %p - pointer (deals with machine dependent pointer size) + ** %f - float + ** %g - float + */ +#include "prio.h" +#include <stdio.h> +#include <stdarg.h> +#include "nscore.h" +#include "nsStringGlue.h" + +#ifdef XPCOM_GLUE +#error "nsTextFormatter is not available in the standalone glue due to NSPR dependencies." +#endif + +class nsTextFormatter +{ +public: + + /* + * sprintf into a fixed size buffer. Guarantees that the buffer is null + * terminated. Returns the length of the written output, NOT including the + * null terminator, or (uint32_t)-1 if an error occurs. + */ + static uint32_t snprintf(char16_t* aOut, uint32_t aOutLen, + const char16_t* aFmt, ...); + + /* + * sprintf into a moz_xmalloc'd buffer. Return a pointer to + * buffer on success, nullptr on failure. + */ + static char16_t* smprintf(const char16_t* aFmt, ...); + + static uint32_t ssprintf(nsAString& aOut, const char16_t* aFmt, ...); + + /* + * va_list forms of the above. + */ + static uint32_t vsnprintf(char16_t* aOut, uint32_t aOutLen, const char16_t* aFmt, + va_list aAp); + static char16_t* vsmprintf(const char16_t* aFmt, va_list aAp); + static uint32_t vssprintf(nsAString& aOut, const char16_t* aFmt, va_list aAp); + + /* + * Free the memory allocated, for the caller, by smprintf. + * -- Deprecated -- + * Callers can substitute calling smprintf_free with free + */ + static void smprintf_free(char16_t* aMem); + +}; + +#endif /* nsTextFormatter_h___ */ |