SRC/ReadOptions.h File Reference

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Data Structures
struct	s_options
Typedefs
typedef struct s_options	t_options
Functions
void	ReadOptions (IN int argc, IN char **argv, OUT t_options *Options)

---

Typedef Documentation

typedef struct s_options t_options

Definition at line 1 of file ReadOptions.h.

---

Function Documentation

void ReadOptions	(	IN int	argc,
		IN char **	argv,
		OUT t_options *	Options
	)

Definition at line 44 of file ReadOptions.c.

{
    char **Args, **head;

    /* Clear values and pointers to zero */
    memset(Options, 0, sizeof(t_options));

    /* Alloc a new pointer list for args with a NULL at end.
     * This makes parsing the same as for archfile for consistency.
     * Skips the first arg as it is the program image path */
    --argc;
    ++argv;
    head = Args = (char **)my_malloc(sizeof(char *) * (argc + 1));
    memcpy(Args, argv, (sizeof(char *) * argc));
    Args[argc] = NULL;

    /* Go through the command line args. If they have hyphens they are 
     * options. Otherwise assume they are part of the four mandatory
     * arguments */
    while(*Args)
        {
            if(strncmp("--", *Args, 2) == 0)
                {
                    *Args += 2; /* Skip the prefix */
                    Args =
                        (char **)ProcessOption((const char *const *)Args,
                                               Options);
                }
            else if(strncmp("-", *Args, 1) == 0)
                {
                    *Args += 1; /* Skip the prefix */
                    Args =
                        (char **)ProcessOption((const char *const *)Args,
                                               Options);
                }
            else if(NULL == Options->NetFile)
                {
                    Options->NetFile = my_strdup(*Args);
                    ++Args;
                }
            else if(NULL == Options->ArchFile)
                {
                    Options->ArchFile = my_strdup(*Args);
                    ++Args;
                }
            else if(NULL == Options->PlaceFile)
                {
                    Options->PlaceFile = my_strdup(*Args);
                    ++Args;
                }
            else if(NULL == Options->RouteFile)
                {
                    Options->RouteFile = my_strdup(*Args);
                    ++Args;
                }
            else
                {
                    /* Not an option and arch and net already specified so fail */
                    Error(*Args);
                }
        }
        free(head);
}

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