Nick: heijligen
E-mail: none
Board: parse_pparam
Contents: 
#include <errno.h>
#include <stdlib.h>
#include <string.h>

/*
 * 0 on success
 * -1 on name not found
 */
static int extract_programmer_param_string(const char *const name, char **string)
{
	char* _string = extract_programmer_param_str(name);
	if (_string)
		return -1;
	*string = _string;
	return 0;
}

/*
 * 0 on success
 * -1 on name not found
 * -2 format error
 */
static int extract_programmer_param_frequency(const char *const name, unsigned long *frequency)
{
	unsigned long _frequency;
	char *param_str;
	char *endptr;

	if (extract_programmer_param_string(name, &param_str))
		return -1;

	errno = 0;
	_frequency = strtoul(param_str, &endptr, 10);
	if (errno !=0) {
		free(param_str);
		return -2;
	}

	if(*endptr != '\0') {
		/* nothing to do */
	}
	else if (!strcasecmp(endptr, "hz")) {
		/* nothing to do */
	}
	else if (!strcasecmp(endptr, "khz")) {
		_frequency *= 1000;
	}
	else if (!strcasecmp(endptr, "mhz")) {
		_frequency *= 1000000;
	}
	else if (!strcasecmp(endptr, "ghz")) {
		_frequency *= 1000000000;
	}
	else {
		free (param_str);
		return -2;
	}

	free(param_str);
	*frequency = _frequency;
	return 0;
}

/*
 * 0 on success
 * -1 on name not found
 * -2 format error
 */
static int extract_programmer_param_long(const char *const name, long *value)
{
	long _value;
	char *param_str;
	char *endptr;

	if (extract_programmer_param_string(name, &param_str))
		return -1;

	errno = 0;
	_value = strtol(param_str, &endptr, 10);
	if (errno || *endptr != '\0') {
		free(param_str);
		return -2;
	}

	free(param_str);
	*value = _value;
	return 0;
}