diff options
| author | Sean Anderson <[email protected]> | 2021-03-11 00:15:42 -0500 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2021-04-12 17:44:55 -0400 |
| commit | 9af869c4145a668b6db9accdea554eb57895a25e (patch) | |
| tree | e37d12c248da4ec31b1569e1973598b924bb818b /include/linux | |
| parent | d3358ecc54be0bc3b4dd11f7a63eab0a2842f772 (diff) | |
lib: string: Implement strlcat
This introduces strlcat, which provides a safer interface than strncat. It
never copies more than its size bytes, including the terminating nul. In
addition, it never reads past dest[size - 1], even if dest is not
nul-terminated.
This also removes the stub for dwc3 now that we have a proper
implementation.
Signed-off-by: Sean Anderson <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/string.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/string.h b/include/linux/string.h index d67998e5c41..dd255f21633 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -35,6 +35,9 @@ extern char * strcat(char *, const char *); #ifndef __HAVE_ARCH_STRNCAT extern char * strncat(char *, const char *, __kernel_size_t); #endif +#ifndef __HAVE_ARCH_STRLCAT +size_t strlcat(char *, const char *, size_t); +#endif #ifndef __HAVE_ARCH_STRCMP extern int strcmp(const char *,const char *); #endif |