Key data is never written so the parameter can be const, which allows putting fixed keys in .rodata.
Signed-off-by: John Keeping john@metanate.com --- include/rc4.h | 2 +- lib/rc4.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/rc4.h b/include/rc4.h index c1ff1349d4..d1257f20a4 100644 --- a/include/rc4.h +++ b/include/rc4.h @@ -15,6 +15,6 @@ * @len: Length of buffer in bytes * @key: 16-byte key to use */ -void rc4_encode(unsigned char *buf, unsigned int len, unsigned char key[16]); +void rc4_encode(unsigned char *buf, unsigned int len, const unsigned char key[16]);
#endif diff --git a/lib/rc4.c b/lib/rc4.c index 0c00439843..720112d1fd 100644 --- a/lib/rc4.c +++ b/lib/rc4.c @@ -12,7 +12,7 @@ #endif #include <rc4.h>
-void rc4_encode(unsigned char *buf, unsigned int len, unsigned char key[16]) +void rc4_encode(unsigned char *buf, unsigned int len, const unsigned char key[16]) { unsigned char s[256], k[256], temp; unsigned short i, j, t;