static void numericdate(const char *date,int *year_rtn,int *month_rtn,int *day_rtn)
{
int x;
int year=0;
int month=0;
int day=0;
for(x=0;x!=8;++x)
if(date[x]<'0' || date[x]>'9')
{
fprintf(stderr,"Bad date format\n");
exit(-1);
}
year=year*10+*date++-'0';
year=year*10+*date++-'0';
year=year*10+*date++-'0';
year=year*10+*date++-'0';
month=month*10+*date++-'0';
month=month*10+*date++-'0';
day=day*10+*date++-'0';
day=day*10+*date++-'0';
--month;
--day;
if(checkdate(year,month,day))
{
fprintf(stderr,"Bad date format\n");
exit(-1);
}
*year_rtn=year;
*month_rtn=month;
*day_rtn=day;
}
int isOlder(char *dob1, char *dob2) {
int day1, day2, month1, month2, year1, year2, flag;
if (dob1[2] != '-' || dob1[5] != '-' || dob2[2] != '-' || dob2[5] != '-')
return(-1);
day1 = (dob1[0] - '0') * 10 + (dob1[1] - '0');
day2 = (dob2[0] - '0') * 10 + (dob2[1] - '0');
month1 = (dob1[3] - '0') * 10 + (dob1[4] - '0');
month2 = (dob2[3] - '0') * 10 + (dob2[4] - '0');
year1 = (dob1[6] - '0') * 1000 + (dob1[7] - '0') * 100 + (dob1[8] - '0') * 10 + (dob1[9] - '0');
year2 = (dob2[6] - '0') * 1000 + (dob2[7] - '0') * 100 + (dob2[8] - '0') * 10 + (dob2[9] - '0');
flag = checkdate(day1, day2, month1, month2, year1, year2);
if (flag != -1)
{
if (year1<year2)
{
return(1);
}
else if (year1>year2)
{
return(2);
}
else
{
if (month1<month2)
return(1);
else if (month1>month2)
return(2);
else
{
if (day1<day2)
return(1);
else if(day1>day2)
return(2);
else
return(0);
}
}
}
else
return(-1);
}
int main(){
char s[100];
int a,i=1;
while(i){
printf("1.Press 1 to check integer\n2.Press 2 to check mobile number\n");
printf("3.Press 3 to check 12 digit account number\n4.Press 4 to check password with at least 1 integer,1 upper,1 lower and 1 special\n");
printf("5.Press 5 to check date as dd/mm/yyyy\n6.Press 6 to exit\n");
scanf("%d",&a);
if(a<=6 && a>=1){
switch(a){
case 1: printf("Enter Integer\n");
scanf("%s",s);
checkinteger(s);
break;
case 2: printf("Enter Mobile number\n");
scanf("%s",s);
checkmobileno(s);
break;
case 3: printf("Enter Account number ");
scanf("%s",s);
checkaccountno(s);
break;
case 4: printf("Enter Password\n");
scanf("%s",s);
checkpassword(s);
break;
case 5: printf("Enter Date\n");
scanf("%s",s);
checkdate(s);
break;
case 6: printf("Thank you for using the program\n");
i=0;
}
}
else{
printf("Wrong input,Please try once more\n");
}
}
return 0;
}
int main()
{
char read;
char cislo[80], mod[10];
char * pom1,* pom2;
long rodc, c;
int i=0, modulo, year, month, day;
printf("Enter an identification number:\n");
while((read=getchar()) != '\n'){
strcpy(&cislo[i], &read);
i++;
}
cislo[i] = '\0';
if(strlen(cislo) != 11){
printf("The string is not an identification number.\n");
return EXIT_FAILURE;
}
for(int j=0; j<10; j++){
if(j ==6){
if(cislo[j] != '/'){
printf("The string is not an identification number.\n");
return EXIT_FAILURE;
}
j++;
}
if(isdigit(cislo[j]) !=1){
printf("The string is not an identification number.\n");
return EXIT_FAILURE;
}
}
pom1 = strtok(cislo, "/");
pom2 = pom1;
pom1 = strtok (NULL, "/");
strcat(pom2, pom1);
pom2[10] = '\0';
strncpy(mod, pom2, 9);
mod[9] = '\0';
rodc = strtol(mod, NULL, 10);
c = strtol(&pom2[9], NULL, 10);
modulo = rodc % 11;
if (modulo == 10) modulo = 0;
if (modulo != c){
printf("The string is not an identification number.\n");
return EXIT_FAILURE;
}
year = getintfromstring(pom2, 0);
month = getintfromstring(pom2, 2);
day = getintfromstring(pom2, 4);
if(checkdate(year,month,day) != EXIT_SUCCESS){
printf("The string is not an identification number.\n");
return EXIT_FAILURE;
}
else printf("The string could be an identification number.\n");
return 0;
}
int parsedate(char *date,const char *s)
{
int year= -1, month= -1, day= -1;
int week=0;
long x;
char mbuf[32];
date[0]=0;
while(*s==' ' || *s=='\t' || *s=='\n' || *s==',' || *s=='/' || *s=='\'') s++;
if(!*s) return -1;
if((*s=='w' || *s=='W') && (s[1]==' ' || s[1]=='\t' || s[1]>='0' && s[1]<='9'))
{
++s;
week=1;
}
/* Look for month (or skip over day of week) */
if(!week)
{
if(*s>='a' && *s<='z' || *s>='A' && *s<='Z')
{
for(x=0;
(*s>='A' && *s<='Z' || *s>='a' && *s<='z') && x!=3;
x++,s++)
mbuf[x]=(0x5F&*s)+'a'-'A';
mbuf[x]=0; mbuf[0]&=0x5F;
while(*s>='A' && *s<='Z' || *s>='a' && *s<='z') s++;
for(x=0;x!=12;x++) if(!strcmp(mbuf,months[x]))
{
month=x+1;
break;
}
}
while(*s==' ' || *s=='\t' || *s=='\n' || *s==',' || *s=='/' || *s=='\'') s++;
if(!*s) return -1;
/* Look for month again */
if(*s>='a' && *s<='z' || *s>='A' && *s<='Z')
{
for(x=0;
(*s>='A' && *s<='Z' || *s>='a' && *s<='z') && x!=3;
x++,s++)
mbuf[x]=(0x5F&*s)+'a'-'A';
mbuf[x]=0; mbuf[0]&=0x5F;
while(*s>='A' && *s<='Z' || *s>='a' && *s<='z') s++;
for(x=0;x!=12;x++) if(!strcmp(mbuf,months[x]))
{
month=x+1;
break;
}
}
}
while(*s==' ' || *s=='\t' || *s=='\n' || *s==',' || *s=='/' || *s=='\'') s++;
if(!*s) return -1;
if(month!= -1) goto gotmonth;
/* Look for month */
if(*s>='0' && *s<='9')
{
month=0;
while(*s>='0' && *s<='9') month=month*10+*(s++)-'0';
}
while(*s==' ' || *s=='\t' || *s=='\n' || *s==',' || *s=='/' || *s=='\'') s++;
/* if(!*s) return -1; */
gotmonth:
/* Look for day */
if(!week)
{
if(*s>='0' && *s<='9')
{
day=0;
while(*s>='0' && *s<='9') day=day*10+*(s++)-'0';
}
while(*s==' ' || *s=='\t' || *s=='\n' || *s==',' || *s=='/' || *s=='\'')
s++;
}
/* Look for year */
if(*s>='0' && *s<='9')
{
year=0;
while(*s>='0' && *s<='9') year=year*10+*(s++)-'0';
if(year<50) year+=2000;
if(year<100) year+=1900;
}
/* Fill in current year if none */
if(year== -1)
{
long t=time(NULL);
struct tm *tm=localtime(&t);
year=tm->tm_year+1900;
}
--month;
--day;
if(week) dateofweek(year,month,1,&year,&month,&day);
if(checkdate(year,month,day)) return -1;
sprintf(date,"%4.4d%2.2d%2.2d",year,month+1,day+1);
return 0;
}
