diff options
-rw-r--r-- | snc.c | 87 |
1 files changed, 62 insertions, 25 deletions
@@ -215,7 +215,7 @@ int main(int argc, char *argv[]) return 0; } - int result; + int opt; const char short_options[] = "hi:o:a:A"; const struct option long_options[] = { {"help", no_argument, NULL, 'h'}, @@ -228,20 +228,30 @@ int main(int argc, char *argv[]) int convert_from; int convert_to = SNC_ARABIC; - //int input_base = 10; - //int output_base = 10; + int input_base = 10; + int output_base = 10; - while((result = getopt_long(argc, argv, short_options, + while((opt = getopt_long(argc, argv, short_options, long_options, NULL)) != -1) { - switch(result) { + switch(opt) { case 'h': { usage(); return 0; } case 'i': { + input_base = atoi(optarg); + if(input_base == 0) { + printf("Uncorrect input base\n"); + return 1; + } break; } case 'o': { + output_base = atoi(optarg); + if(output_base == 0) { + printf("Uncorrect output base\n"); + return 1; + } break; } case 'a': { @@ -269,32 +279,59 @@ int main(int argc, char *argv[]) return 1; } - if(atoi(argv[optind]) == 0) - convert_from = SNC_ROMAN; - else + if(convert_to == SNC_ROMAN && output_base != 10) { + printf("Roman alphabet support only ten base\n"); + return 1; + } + + if(atoi(str_number)) convert_from = SNC_ARABIC; + else { + convert_from = SNC_ROMAN; + if(input_base != 10) { + printf("Roman alphabet support only ten base\n"); + return 1; + } + } - if(convert_to != convert_from) { - if(convert_to == SNC_ROMAN) { - char *answer = arabicToRoman(str_number); - if(!answer) { - printf("%s is not correct arabic number.\n", str_number); - return 1; - } - printf("%s\n", answer); - free(answer); + char *str_arabic = str_number; + char *str_tenbase; + char *str_roman; + int tb_number; + + if(convert_to != convert_from && convert_from == SNC_ROMAN) { + int temp = romanToArabic(str_number); + if(temp == -1) { + printf("%s is not correct roman number.\n", str_number); + return 1; } - else { - int answer = romanToArabic(str_number); - if(answer == -1) { - printf("%s is not correct roman number.\n", str_number); - return 1; - } - printf("%d\n", answer); + str_arabic = malloc(sizeof(char) * (4+1)); // how define 4? + sprintf(str_arabic, "%d", temp); + } + + tb_number = toTenBase(input_base, str_arabic); + if(str_arabic != str_number) + free(str_arabic); + if(tb_number == -1) { + printf("%s contains not valid chars for %d base system.\n", + str_number, input_base); + return 1; + } + + str_tenbase = fromTenBaseTo(output_base, tb_number); + if(convert_to != convert_from && convert_from == SNC_ARABIC) { + str_roman = arabicToRoman(str_tenbase); + free(str_tenbase); + if(!str_roman) { + printf("%s is not correct arabic number.\n", str_roman); + return 1; } + printf("%s\n", str_roman); + free(str_roman); } else { - printf("%s\n", str_number); + printf("%s\n", str_tenbase); + free(str_tenbase); } return 0; |