1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/webrtc/signaling/src/common/csf_common.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,79 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef _CSF_COMMON_E58E5677_950A_424c_B6C2_CA180092E6A2_H
1.9 +#define _CSF_COMMON_E58E5677_950A_424c_B6C2_CA180092E6A2_H
1.10 +
1.11 +#include <assert.h>
1.12 +#include <memory>
1.13 +#include <vector>
1.14 +#include <stdlib.h>
1.15 +
1.16 +/*
1.17 +
1.18 +This header file defines:
1.19 +
1.20 +csf_countof
1.21 +csf_sprintf
1.22 +csf_vsprintf
1.23 +
1.24 +*/
1.25 +
1.26 +/*
1.27 + General security tip: Ensure that "format" is never a user-defined string. Format should ALWAYS be something that's built into your code, not
1.28 + user supplied. For example: never write:
1.29 +
1.30 + csf_sprintf(buffer, csf_countof(buffer), pUserSuppliedString);
1.31 +
1.32 + Instead write:
1.33 +
1.34 + csf_sprintf(buffer, csf_countof(buffer), "%s", pUserSuppliedString);
1.35 +
1.36 +*/
1.37 +
1.38 +#ifdef WIN32
1.39 + #if !defined(_countof)
1.40 + #if !defined(__cplusplus)
1.41 + #define _countof(_Array) (sizeof(_Array) / sizeof(_Array[0]))
1.42 + #else
1.43 + extern "C++"
1.44 + {
1.45 + template <typename _CountofType, size_t _SizeOfArray>
1.46 + char (*_csf_countof_helper(_CountofType (&_Array)[_SizeOfArray]))[_SizeOfArray];
1.47 + #define _countof(_Array) sizeof(*_csf_countof_helper(_Array))
1.48 + }
1.49 + #endif
1.50 + #endif
1.51 +#else
1.52 + #define _countof(_Array) (sizeof(_Array) / sizeof(_Array[0]))
1.53 +#endif
1.54 +//csf_countof
1.55 +
1.56 +#define csf_countof(anArray) _countof(anArray)
1.57 +
1.58 +//csf_sprintf
1.59 +
1.60 +#ifdef _WIN32
1.61 + //Unlike snprintf, sprintf_s guarantees that the buffer will be null-terminated (unless the buffer size is zero).
1.62 + #define csf_sprintf(/* char* */ buffer, /* size_t */ sizeOfBufferInCharsInclNullTerm, /* const char * */ format, ...)\
1.63 + _snprintf_s (buffer, sizeOfBufferInCharsInclNullTerm, _TRUNCATE, format, __VA_ARGS__)
1.64 +#else
1.65 + #define csf_sprintf(/* char */ buffer, /* size_t */ sizeOfBufferInCharsInclNullTerm, /* const char * */ format, ...)\
1.66 + snprintf (buffer, sizeOfBufferInCharsInclNullTerm, format, __VA_ARGS__);\
1.67 + buffer[sizeOfBufferInCharsInclNullTerm-1] = '\0'
1.68 +#endif
1.69 +
1.70 +//csf_vsprintf
1.71 +
1.72 +#ifdef _WIN32
1.73 + #define csf_vsprintf(/* char* */ buffer, /* size_t */ sizeOfBufferInCharsInclNullTerm, /* const char * */ format, /* va_list */ vaList)\
1.74 + vsnprintf_s (buffer, sizeOfBufferInCharsInclNullTerm, _TRUNCATE, format, vaList);\
1.75 + buffer[sizeOfBufferInCharsInclNullTerm-1] = '\0'
1.76 +#else
1.77 + #define csf_vsprintf(/* char */ buffer, /* size_t */ sizeOfBufferInCharsInclNullTerm, /* const char * */ format, /* va_list */ vaList)\
1.78 + vsprintf (buffer, format, vaList);\
1.79 + buffer[sizeOfBufferInCharsInclNullTerm-1] = '\0'
1.80 +#endif
1.81 +
1.82 +#endif
