我有一个复杂的C和C++旧项目。 广泛使用Cstrings和strcpy,strcat,strncpy,strncat 等等。 我发现了一些缓冲溢流,我也希望利用更为安全的职能,例如<代码>strcpy_s。 MSVC包括这些职能,但我需要一些在各种平台上工作——至少是气球、os和窗户。
我确实知道strlcpy,但正如许多人指出的那样(example),这确实是一种改进。
So: Are there any free implementations of strcpy_s, strcat_s, etc, or of the entire TR24731-1?
我需要的是<代码>公共领域或BSD的内容,但如果你知道其他许可证的执行情况,则要走下去并列出这些内容——我确信其他人会受益。
Try with the Safe C Library. http://www. opensource.org/licenses/MIT"rel=“noretinger”>,麻省理工学院许可证,根据, • 履行你的职责:
The Safe C Library provides bound checking memory and string functions per ISO/IEC TR24731. These functions are alternative functions to the existing standard C library that promote safer, more secure programming
您可使用<代码>memcpy和memset等,这些编号可操作且比舱载功能更安全。
为什么不使用<代码>strncpy和strncat? 与<代码>strlcpy和strlcat相反,它们是标准C功能。 这些职能并不完美,但你可以安全地使用这些职能。
并且还注意到,在本标准中,约束-核对代码_的功能是任择的。
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