Advance pattern recognition.
Why my code doesn't work?
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int rgrep_matches(char *line, char *pattern) {
/*int num = check_slash(line);
int start = 0;
char slice_before[num + 1];
char slice_after[num + 1];
memcpy(slice_before, line + start, (num -1)*sizeof(char)); //after before
memcpy(slice_after, line + num, (num)*sizeof(char)); //after slash
slice_before[num] = 0;
slice_after[num] = 0;*/
//for (int i = check_slash(line); i <= length(line); i++){
//printf("%c",line[i]);
int i = 0;
int j = 0;
int counter = 0;
int slash_counter = 0;
while (1){
if (line[j] == pattern[i]){
i++;
j++;
if(counter == 0){counter++;}}// end of both if loop
else{
if (pattern[i] == '.'){i++;}j++;}
if (pattern[i] == '\0')
{printf("you did it!!");
return 1;}
if (line[j] == '\0'){
printf("you failed!!");
return 0;}
if ((counter == 1) & (line[j] != pattern[i]) & (pattern[i] != '.')){
printf("you failed counter > 1");
return 0;}
}
return 0;
}
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pattern: hello
line: hello
passed!
pattern: hel..lo (dot can mean anything char)
line: hel34lo
passed!
pattern: hello\hello
line: hello\hello
failed! why?
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