| 18 | */ |
| 19 | |
| 20 | int getoptions( int argc, char * * argv, char * opts, bjam_option * optv ) |
| 21 | { |
| 22 | int i; |
| 23 | int optc = N_OPTS; |
| 24 | |
| 25 | memset( (char *)optv, '\0', sizeof( *optv ) * N_OPTS ); |
| 26 | |
| 27 | for ( i = 0; i < argc; ++i ) |
| 28 | { |
| 29 | char *arg; |
| 30 | |
| 31 | if ( ( argv[ i ][ 0 ] != '-' ) || |
| 32 | ( ( argv[ i ][ 1 ] != '-' ) && !isalpha( argv[ i ][ 1 ] ) ) ) |
| 33 | continue; |
| 34 | |
| 35 | if ( !optc-- ) |
| 36 | { |
| 37 | printf( "too many options (%d max)\n", N_OPTS ); |
| 38 | return -1; |
| 39 | } |
| 40 | |
| 41 | for ( arg = &argv[ i ][ 1 ]; *arg; ++arg ) |
| 42 | { |
| 43 | char * f; |
| 44 | |
| 45 | for ( f = opts; *f; ++f ) |
| 46 | if ( *f == *arg ) |
| 47 | break; |
| 48 | |
| 49 | if ( !*f ) |
| 50 | { |
| 51 | printf( "Invalid option: -%c\n", *arg ); |
| 52 | return -1; |
| 53 | } |
| 54 | |
| 55 | optv->flag = *f; |
| 56 | |
| 57 | if ( f[ 1 ] != ':' ) |
| 58 | { |
| 59 | optv++->val = "true"; |
| 60 | } |
| 61 | else if ( arg[ 1 ] ) |
| 62 | { |
| 63 | optv++->val = &arg[1]; |
| 64 | break; |
| 65 | } |
| 66 | else if ( ++i < argc ) |
| 67 | { |
| 68 | optv++->val = argv[ i ]; |
| 69 | break; |
| 70 | } |
| 71 | else |
| 72 | { |
| 73 | printf( "option: -%c needs argument\n", *f ); |
| 74 | return -1; |
| 75 | } |
| 76 | } |
| 77 | } |