1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
#include "log_macros.h"
/*
void get_first_char(char** a_pos, char* a_ch) {
char first_character = (*a_pos)[0];
*a_ch = first_character;
}
*/
void get_next_char(char** a_pos, char* a_ch) {
char ch = (*a_pos)[0];
*a_ch = ch; // return character by address
*a_pos += 1; // Increment current position in string
// WARNING: Do not use *a_pos++; There will be precedence issues.
}
int main(int argc, char* argv[]) {
char* s = "AAABBBB"; // 3 x 'A' then 4 x 'B'
char* pos = s;
char current_char;
get_next_char(&pos, ¤t_char);
log_char(current_char);
get_next_char(&pos, ¤t_char);
log_char(current_char);
get_next_char(&pos, ¤t_char);
log_char(current_char);
get_next_char(&pos, ¤t_char);
log_char(current_char);
get_next_char(&pos, ¤t_char);
log_char(current_char);
get_next_char(&pos, ¤t_char);
log_char(current_char);
get_next_char(&pos, ¤t_char);
log_char(current_char);
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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