static int line2args(char *line, char **argv, int maxargs)
{
- char *arg;
- int i = 0;
+ char *arg;
+ int i = 0;
- arg = strtok(line, " \t");
- if ( arg ) {
- argv[i] = arg;
- i++;
- } else
- return 0;
+ arg = strtok(line, " \t");
+ if (arg == NULL || maxargs < 1)
+ return 0;
- while( (arg = strtok(NULL, " \t")) && (i <= maxargs)) {
- argv[i] = arg;
- i++;
- }
- return i;
+ argv[i++] = arg;
+ while ((arg = strtok(NULL, " \t")) != NULL && i < maxargs)
+ argv[i++] = arg;
+ return i;
}
/* find a command -- return it if unique otherwise print alternatives */