104 lines
2.5 KiB
C
104 lines
2.5 KiB
C
// cut a string into two parts by the first occurence of delimiter
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// and choose the first part (side 0) or the second part (side 1)
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// the chosen part will overwrite the original string
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// cut a string into two parts by delimiter
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// and choose the first part (side 0) or the second part (side 1)
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// the chosen part will overwrite the original string
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#include <string.h>
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#include <stdlib.h>
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void cut_string(char my_string[], char delimiter, int side) {
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char part1[256] = "";
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char part2[256] = "";
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int split = 0;
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int j = 0;
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for (int i = 0; i < strlen(my_string); i++) {
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if (my_string[i] == delimiter) {
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if (split == 0) {
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split = 1;
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continue;
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}
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}
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if (split == 0) {
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part1[i] = my_string[i];
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} else {
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part2[j] = my_string[i];
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j++;
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}
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}
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memset(my_string, '\0', strlen(my_string));
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if (side == 0) {
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strcpy(my_string, part1);
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} else {
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strcpy(my_string, part2);
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}
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}
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// this function removes all new lines and carriage returns from a string
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// you might want to write a new function that replaces '\r' and '\n'
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// with a delimiter of user's choice
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void remove_nl_and_cr(char raw_string[]) {
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char processed_string[strlen(raw_string)];
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// counter for num of elements of processed_string
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int j = 0;
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for (int i = 0; i<strlen(raw_string); i++) {
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if (raw_string[i] == '\n' || raw_string[i] == '\r') {
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continue;
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} else {
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processed_string[j] = raw_string[i];
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j++;
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}
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}
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processed_string[j] = '\0';
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memset(raw_string, '\0', strlen(raw_string));
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strcpy(raw_string, processed_string);
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}
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// remove new lines, carriage returns and spaces
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void remove_whitespace(char raw_string[]) {
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char processed_string[strlen(raw_string)];
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// counter for num of elements of processed_string
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int j = 0;
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for (int i = 0; i<strlen(raw_string); i++) {
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if (raw_string[i] == '\n' || raw_string[i] == '\r' \
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|| raw_string[i] == ' ') {
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continue;
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} else {
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processed_string[j] = raw_string[i];
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j++;
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}
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}
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processed_string[j] = '\0';
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memset(raw_string, '\0', strlen(raw_string));
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strcpy(raw_string, processed_string);
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}
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void remove_until_delim(char raw_string[], char delimiter, int occurence) {
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int chunk = 0;
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int j = 0;
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char *tmp_string = malloc(strlen(raw_string));
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memset(tmp_string, '\0', strlen(raw_string));
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for (int i = 0; i < strlen(raw_string); i++) {
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if (raw_string[i] == delimiter) {
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chunk++;
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}
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if (chunk >= occurence) {
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tmp_string[j] = raw_string[i];
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j++;
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}
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}
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strcpy(raw_string, tmp_string);
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free(tmp_string);
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}
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