diff options
Diffstat (limited to 'checkpasswd/byte_diff.c')
-rw-r--r-- | checkpasswd/byte_diff.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/checkpasswd/byte_diff.c b/checkpasswd/byte_diff.c new file mode 100644 index 0000000..cdbd760 --- /dev/null +++ b/checkpasswd/byte_diff.c @@ -0,0 +1,16 @@ +#include "byte.h" + +int byte_diff(s,n,t) +register char *s; +register unsigned int n; +register char *t; +{ + for (;;) { + if (!n) return 0; if (*s != *t) break; ++s; ++t; --n; + if (!n) return 0; if (*s != *t) break; ++s; ++t; --n; + if (!n) return 0; if (*s != *t) break; ++s; ++t; --n; + if (!n) return 0; if (*s != *t) break; ++s; ++t; --n; + } + return ((int)(unsigned int)(unsigned char) *s) + - ((int)(unsigned int)(unsigned char) *t); +} |