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author | rsc <rsc> | 2009-03-08 21:38:30 +0000 |
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committer | rsc <rsc> | 2009-03-08 21:38:30 +0000 |
commit | 8220135362c02b5e4a5532a561c6c1bd4b4d1540 (patch) | |
tree | 8c5d30bc8ec0756c43579a88480fc2cbc5d113a9 | |
parent | c396d065d3f5e5a0f966857d710a434a2f2db066 (diff) | |
download | xv6-labs-8220135362c02b5e4a5532a561c6c1bd4b4d1540.tar.gz xv6-labs-8220135362c02b5e4a5532a561c6c1bd4b4d1540.tar.bz2 xv6-labs-8220135362c02b5e4a5532a561c6c1bd4b4d1540.zip |
xv6: use stosb for memset
-rw-r--r-- | string.c | 8 | ||||
-rw-r--r-- | ulib.c | 7 |
2 files changed, 4 insertions, 11 deletions
@@ -1,14 +1,10 @@ #include "types.h" +#include "x86.h" void* memset(void *dst, int c, uint n) { - char *d; - - d = (char*)dst; - while(n-- > 0) - *d++ = c; - + stosb(dst, c, n); return dst; } @@ -2,6 +2,7 @@ #include "stat.h" #include "fcntl.h" #include "user.h" +#include "x86.h" char* strcpy(char *s, char *t) @@ -35,11 +36,7 @@ strlen(char *s) void* memset(void *dst, int c, uint n) { - char *d; - - d = dst; - while(n-- > 0) - *d++ = c; + stosb(dst, c, n); return dst; } |