diff options
Diffstat (limited to 'media/webrtc/signaling/src/common/csf_common.h')
-rw-r--r-- | media/webrtc/signaling/src/common/csf_common.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/media/webrtc/signaling/src/common/csf_common.h b/media/webrtc/signaling/src/common/csf_common.h new file mode 100644 index 000000000..f46abf69e --- /dev/null +++ b/media/webrtc/signaling/src/common/csf_common.h @@ -0,0 +1,79 @@ +/* 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 _CSF_COMMON_E58E5677_950A_424c_B6C2_CA180092E6A2_H +#define _CSF_COMMON_E58E5677_950A_424c_B6C2_CA180092E6A2_H + +#include <assert.h> +#include <memory> +#include <vector> +#include <stdlib.h> + +/* + +This header file defines: + +csf_countof +csf_sprintf +csf_vsprintf + +*/ + +/* + General security tip: Ensure that "format" is never a user-defined string. Format should ALWAYS be something that's built into your code, not + user supplied. For example: never write: + + csf_sprintf(buffer, csf_countof(buffer), pUserSuppliedString); + + Instead write: + + csf_sprintf(buffer, csf_countof(buffer), "%s", pUserSuppliedString); + +*/ + +#ifdef WIN32 + #if !defined(_countof) + #if !defined(__cplusplus) + #define _countof(_Array) (sizeof(_Array) / sizeof(_Array[0])) + #else + extern "C++" + { + template <typename _CountofType, size_t _SizeOfArray> + char (*_csf_countof_helper(_CountofType (&_Array)[_SizeOfArray]))[_SizeOfArray]; + #define _countof(_Array) sizeof(*_csf_countof_helper(_Array)) + } + #endif + #endif +#else + #define _countof(_Array) (sizeof(_Array) / sizeof(_Array[0])) +#endif +//csf_countof + +#define csf_countof(anArray) _countof(anArray) + +//csf_sprintf + +#ifdef _WIN32 + //Unlike snprintf, sprintf_s guarantees that the buffer will be null-terminated (unless the buffer size is zero). + #define csf_sprintf(/* char* */ buffer, /* size_t */ sizeOfBufferInCharsInclNullTerm, /* const char * */ format, ...)\ + _snprintf_s (buffer, sizeOfBufferInCharsInclNullTerm, _TRUNCATE, format, __VA_ARGS__) +#else + #define csf_sprintf(/* char */ buffer, /* size_t */ sizeOfBufferInCharsInclNullTerm, /* const char * */ format, ...)\ + snprintf (buffer, sizeOfBufferInCharsInclNullTerm, format, __VA_ARGS__);\ + buffer[sizeOfBufferInCharsInclNullTerm-1] = '\0' +#endif + +//csf_vsprintf + +#ifdef _WIN32 + #define csf_vsprintf(/* char* */ buffer, /* size_t */ sizeOfBufferInCharsInclNullTerm, /* const char * */ format, /* va_list */ vaList)\ + vsnprintf_s (buffer, sizeOfBufferInCharsInclNullTerm, _TRUNCATE, format, vaList);\ + buffer[sizeOfBufferInCharsInclNullTerm-1] = '\0' +#else + #define csf_vsprintf(/* char */ buffer, /* size_t */ sizeOfBufferInCharsInclNullTerm, /* const char * */ format, /* va_list */ vaList)\ + vsprintf (buffer, format, vaList);\ + buffer[sizeOfBufferInCharsInclNullTerm-1] = '\0' +#endif + +#endif |