| #include <u.h> |
| #include <libc.h> |
| #include <venti.h> |
| |
| int |
| vtparsescore(char *s, char **prefix, uchar score[VtScoreSize]) |
| { |
| int i, c; |
| char *buf, *colon; |
| |
| if((colon = strchr(s, ':')) != nil) |
| buf = colon+1; |
| else |
| buf = s; |
| |
| if(strlen(buf) != 2*VtScoreSize) |
| return -1; |
| |
| memset(score, 0, VtScoreSize); |
| for(i=0; i<2*VtScoreSize; i++){ |
| if(buf[i] >= '0' && buf[i] <= '9') |
| c = buf[i] - '0'; |
| else if(buf[i] >= 'a' && buf[i] <= 'z') |
| c = buf[i] - 'a' + 10; |
| else if(buf[i] >= 'A' && buf[i] <= 'Z') |
| c = buf[i] - 'A' + 10; |
| else |
| return -1; |
| |
| if((i & 1) == 0) |
| c <<= 4; |
| score[i>>1] |= c; |
| } |
| if(colon){ |
| *colon = 0; |
| if(prefix) |
| *prefix = s; |
| }else{ |
| if(prefix) |
| *prefix = nil; |
| } |
| return 0; |
| } |
