2024-12-01 16:48:51 -06:00

46 lines
647 B
C

#include <stdbool.h>
#include "parse.h"
const char * parse_skip(const char * s, char c)
{
while (*s == c) {
s++;
}
return s;
}
static int base10_digit(char c)
{
switch (c) {
case '0': return 0;
case '1': return 1;
case '2': return 2;
case '3': return 3;
case '4': return 4;
case '5': return 5;
case '6': return 6;
case '7': return 7;
case '8': return 8;
case '9': return 9;
default: return -1;
}
}
const char * parse_base10(const char * s, int * n)
{
*n = 0;
while (true) {
int digit = base10_digit(*s);
if (digit == -1)
break;
*n *= 10;
*n += digit;
s++;
}
return s;
}