• Jump To … +
    array_of_routines.c array_utils.h print.c arrays_and_pointers.c arrays_basics.c command_line.c fibonacci.c hello_world.c hello_world_correct.c linked_list.c malloc_stuff.c nans_and_other_oddities.c rationals_with_structs.c routine_pointers.c experiments.c naive_sequence_of_longs.c naive_sequence_of_longs.h sequence_of_longs.c sequence_of_longs.h tests.c sizeof_and_arrays.c array_of_doubles.c array_of_doubles.h perform_experiments.c sorting_algorithms.c sorting_algorithms.h string_io.c
  • ¶

    command_line.c – Processamento da linha de comandos

  • ¶ 
    #include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argument_count, char *argument_values[argument_count])
{
	printf("Number of arguments: '%d'\n", argument_count);
	for (int i = 0; i != argument_count; i++)
		printf("Argument %d: '%s'\n", i, argument_values[i]);

	if (argument_count < 3) {
		fprintf(stderr, "Error: Insuficient number of arguments!\n");
		return EXIT_FAILURE;
	}

	if (strcmp(argument_values[1], "bubble") == 0)
		printf("Bubble sort selected!\n");
	else if (strcmp(argument_values[1], "insertion") == 0)
		printf("Insertion sort selected!\n");
	else {
		fprintf(stderr, "Error! Unknown algorithm '%s'!\n",
			argument_values[1]);
		return EXIT_FAILURE;
	}

	FILE *file = fopen(argument_values[2], "r");

	if (file == NULL) {
		fprintf(stderr, "Could not open file '%s'!\n",
			argument_values[2]);
		return EXIT_FAILURE;
	}
  • ¶

    Process file....

    	printf("Processing file '%s'...\n", argument_values[2]);

	fclose(file);

	return EXIT_SUCCESS;
}