#include "str.h"
#include "common.h"

void str_trim_crlf(char *str)
{
	char *p = &str[strlen(str)-1];
	while (*p == '\r' || *p == '\n')
		*p-- = '\0';

}

void str_split(const char *str , char *left, char *right, char c)
{
	char *p = strchr(str, c);
	if (p == NULL)
		strcpy(left, str);
	else {
		strncpy(left, str, p-str);
		strcpy(right, p+1);
	}
}

int str_all_space(const char *str)
{
	while (*str) {
		if (!isspace(*str))
			return 0;
		str++;
	}
	return 1;
}

void str_upper(char *str)
{
	while (*str) {
		*str = toupper(*str);
		str++;
	}
}

long long str_to_longlong(const char *str)
{
	//return atoll(str);
	long long result = 0;
	long long mult = 1;
	unsigned int len = strlen(str);
	int i;

	if (len > 15)
		return 0;

	for (i=len-1; i>=0; i--) {
		char ch = str[i];
		long long val;
		if (ch < '0' || ch > '9')
			return 0;

		val = ch - '0';
		val *= mult;
		result += val;
		mult *= 10;
	}

	return result;
}

unsigned int str_octal_to_uint(const char *str)
{
	unsigned int result = 0;
	int seen_non_zero_digit = 0;

	while (*str) {
		int digit = *str;
		if (!isdigit(digit) || digit > '7')
			break;

		if (digit != '0')
			seen_non_zero_digit = 1;

		if (seen_non_zero_digit) {
			result <<= 3;
			result += (digit - '0');
		}
		str++;
	}
	return result;
}