记录一些重要的运行时函数
Summary of Kernel-Mode Safe String Functions
The following table summarizes the safe string functions that are available to kernel-mode drivers, and it indicates the C/C++ language runtime library functions that they replace. If a function's name contains Cb, the function treats strings as byte-counted. If a function's name contains Cch, the function treats strings as character-counted.
Functions | Purpose | Replaces |
---|---|---|
RtlStringCbCat RtlStringCbCatEx RtlStringCchCat RtlStringCchCatEx RtlUnicodeStringCat RtlUnicodeStringCatEx RtlUnicodeStringCatString RtlUnicodeStringCatStringEx RtlUnicodeStringCbCatStringN RtlUnicodeStringCbCatStringNEx RtlUnicodeStringCchCatStringN RtlUnicodeStringCchCatStringNEx |
Concatenate two strings. | strcat wcscat |
RtlStringCbCatN RtlStringCbCatNEx RtlStringCchCatN RtlStringCchCatNEx RtlUnicodeStringCbCatN RtlUnicodeStringCbCatNEx RtlUnicodeStringCchCatN RtlUnicodeStringCchCatNEx |
Concatenate two byte-counted strings, while limiting the size of the appended string. | strncat wcsncat |
RtlStringCbCopy RtlStringCbCopyEx RtlStringCbCopyUnicodeString RtlStringCbCopyUnicodeStringEx RtlStringCchCopy RtlStringCchCopyEx RtlStringCchCopyUnicodeString RtlStringCchCopyUnicodeStringEx RtlUnicodeStringCopy RtlUnicodeStringCopyEx RtlUnicodeStringCopyString RtlUnicodeStringCopyStringEx |
Copy a string into a buffer. | strcpy wcscpy |
RtlStringCbCopyN RtlStringCbCopyNEx RtlStringCchCopyN RtlStringCchCopyNEx RtlUnicodeStringCbCopyN RtlUnicodeStringCbCopyNEx RtlUnicodeStringCchCopyN RtlUnicodeStringCchCopyNEx RtlUnicodeStringCbCopyStringN RtlUnicodeStringCbCopyStringNEx RtlUnicodeStringCchCopyStringN RtlUnicodeStringCchCopyStringNEx |
Copy a string into a buffer, while limiting the size of the copied string. | strncpy wcsncpy |
RtlStringCbLength RtlStringCchLength RtlUnalignedStringCbLength RtlUnalignedStringCchLength |
Determine the length of a supplied string. | strlen wcslen |
RtlStringCbPrintf RtlStringCbPrintfEx RtlStringCchPrintf RtlStringCchPrintfEx RtlUnicodeStringPrintf RtlUnicodeStringPrintfEx |
Create a formatted text string that is based on a format string and a set of additional function arguments. | sprintf swprintf _snprintf _snwprintf |
RtlStringCbVPrintf RtlStringCbVPrintfEx RtlStringCchVPrintf RtlStringCchVPrintfEx RtlUnicodeStringVPrintf RtlUnicodeStringVPrintfEx |
Create a formatted text string that is based on a format string and one additional function argument. | vsprintf vswprintf _vsnprintf _vsnwprintf |
RtlUnicodeStringInit RtlUnicodeStringInitEx RtlUnicodeStringValidate RtlUnicodeStringValidateEx |
Initialize or validate a UNICODE_STRING structure. | None |