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-rw-r--r--snc.c87
1 files changed, 62 insertions, 25 deletions
diff --git a/snc.c b/snc.c
index 4b2b1e5..e321dce 100644
--- a/snc.c
+++ b/snc.c
@@ -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;