C++ (Cpp) allowed_in_string Examples

Example #1

File: bgplg.c Project: SylvestreG/bitrig

char *
lg_getenv(const char *name, int *lenp)
{
	size_t len;
	u_int i;
	char *ptr;

	if ((ptr = getenv(name)) == NULL)
		return (NULL);

	lg_urldecode(ptr);

	if (!(len = strlen(ptr)))
		return (NULL);

	if (lenp != NULL)
		*lenp = len;

#define allowed_in_string(_x)                                           \
	(isalnum((unsigned char)_x) || strchr("-_.:/= ", _x))

	for (i = 0; i < len; i++) {
		if (ptr[i] == '&')
			ptr[i] = '\0';
		if (!allowed_in_string(ptr[i])) {
			printf("invalid character in input\n");
			return (NULL);
		}
	}

	return (ptr);
#undef allowed_in_string
}

Example #2

File: bgplgsh.c Project: darksoul42/bitrig

int
lg_checkarg(char *arg)
{
	size_t len;
	u_int i;

	if (!(len = strlen(arg)))
		return (0);

#define allowed_in_string(_x)                                           \
	((isalnum((unsigned char)_x) || isprint((unsigned char)_x)) &&	\
	(_x != '%' && _x != '\\' && _x != ';' && _x != '&' && _x != '|'))

	for (i = 0; i < len; i++) {
		if (!allowed_in_string(arg[i])) {
			fprintf(stderr, "invalid character in input\n");
			return (EPERM);
		}
	}
#undef allowed_in_string
	return (0);
}