xpcom/glue/nsTextFormatter.h@97036ab72558 (annotated)
xpcom/glue/nsTextFormatter.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* |
| michael@0 | 7 | * This code was copied from xpcom/ds/nsTextFormatter r1.3 |
| michael@0 | 8 | * Memory model and Frozen linkage changes only. |
| michael@0 | 9 | * -- Prasad <prasad@medhas.org> |
| michael@0 | 10 | */ |
| michael@0 | 11 | |
| michael@0 | 12 | #ifndef nsTextFormatter_h___ |
| michael@0 | 13 | #define nsTextFormatter_h___ |
| michael@0 | 14 | |
| michael@0 | 15 | /* |
| michael@0 | 16 | ** API for PR printf like routines. Supports the following formats |
| michael@0 | 17 | ** %d - decimal |
| michael@0 | 18 | ** %u - unsigned decimal |
| michael@0 | 19 | ** %x - unsigned hex |
| michael@0 | 20 | ** %X - unsigned uppercase hex |
| michael@0 | 21 | ** %o - unsigned octal |
| michael@0 | 22 | ** %hd, %hu, %hx, %hX, %ho - 16-bit versions of above |
| michael@0 | 23 | ** %ld, %lu, %lx, %lX, %lo - 32-bit versions of above |
| michael@0 | 24 | ** %lld, %llu, %llx, %llX, %llo - 64 bit versions of above |
| michael@0 | 25 | ** %s - utf8 string |
| michael@0 | 26 | ** %S - char16_t string |
| michael@0 | 27 | ** %c - character |
| michael@0 | 28 | ** %p - pointer (deals with machine dependent pointer size) |
| michael@0 | 29 | ** %f - float |
| michael@0 | 30 | ** %g - float |
| michael@0 | 31 | */ |
| michael@0 | 32 | #include "prio.h" |
| michael@0 | 33 | #include <stdio.h> |
| michael@0 | 34 | #include <stdarg.h> |
| michael@0 | 35 | #include "nscore.h" |
| michael@0 | 36 | #include "nsStringGlue.h" |
| michael@0 | 37 | |
| michael@0 | 38 | #ifdef XPCOM_GLUE |
| michael@0 | 39 | #error "nsTextFormatter is not available in the standalone glue due to NSPR dependencies." |
| michael@0 | 40 | #endif |
| michael@0 | 41 | |
| michael@0 | 42 | class NS_COM_GLUE nsTextFormatter { |
| michael@0 | 43 | |
| michael@0 | 44 | public: |
| michael@0 | 45 | |
| michael@0 | 46 | /* |
| michael@0 | 47 | * sprintf into a fixed size buffer. Guarantees that the buffer is null |
| michael@0 | 48 | * terminated. Returns the length of the written output, NOT including the |
| michael@0 | 49 | * null terminator, or (uint32_t)-1 if an error occurs. |
| michael@0 | 50 | */ |
| michael@0 | 51 | static uint32_t snprintf(char16_t *out, uint32_t outlen, const char16_t *fmt, ...); |
| michael@0 | 52 | |
| michael@0 | 53 | /* |
| michael@0 | 54 | * sprintf into a nsMemory::Alloc'd buffer. Return a pointer to |
| michael@0 | 55 | * buffer on success, nullptr on failure. |
| michael@0 | 56 | */ |
| michael@0 | 57 | static char16_t* smprintf(const char16_t *fmt, ...); |
| michael@0 | 58 | |
| michael@0 | 59 | static uint32_t ssprintf(nsAString& out, const char16_t* fmt, ...); |
| michael@0 | 60 | |
| michael@0 | 61 | /* |
| michael@0 | 62 | * va_list forms of the above. |
| michael@0 | 63 | */ |
| michael@0 | 64 | static uint32_t vsnprintf(char16_t *out, uint32_t outlen, const char16_t *fmt, va_list ap); |
| michael@0 | 65 | static char16_t* vsmprintf(const char16_t *fmt, va_list ap); |
| michael@0 | 66 | static uint32_t vssprintf(nsAString& out, const char16_t *fmt, va_list ap); |
| michael@0 | 67 | |
| michael@0 | 68 | /* |
| michael@0 | 69 | * Free the memory allocated, for the caller, by smprintf. |
| michael@0 | 70 | * -- Deprecated -- |
| michael@0 | 71 | * Callers can substitute calling smprintf_free with nsMemory::Free |
| michael@0 | 72 | */ |
| michael@0 | 73 | static void smprintf_free(char16_t *mem); |
| michael@0 | 74 | |
| michael@0 | 75 | }; |
| michael@0 | 76 | |
| michael@0 | 77 | #endif /* nsTextFormatter_h___ */ |
