# validator.c

Validate command-line arguments.

---

## Includes
```c
#include <stddef.h>

#include "validator.h"
#include "utils.h"
```

---

## Function Description

### `validator_validate_args`

Checks and validates the content of the `t_args` structure, ensuring required
file input and extension arguments are consistent.

#### Parameter
- `args`: Pointer to a `t_args` structure containing command-line arguments.

#### Return Codes

| Code | Meaning													     |
|------|-----------------------------------------------------------------|
| 0	   | Arguments are valid											 |
| 1	   | Both input file and extension are missing						 |
| 2	   | Extension is missing and cannot be inferred from input filename |

#### Implementation
```c
int8_t
validator_validate_args(t_args *args)
{
	if (NULL == args->input)
	{
		if (NULL == args->ext)
			return (1);
		return (0);
	}
	if (NULL == args->ext)
	{
		args->ext = infer_ext_from_filename(args->input);
		if (NULL == args->ext)
			return (2);
	}
	return (0);
}
```