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#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include "7ed.h"
#include "input.h"
#include <stdint.h>
#define VERSION 1
#define USAGE "7ed [OPTION] [FILENAME]\n" \
"\nVALID OPTIONS:\n\n"\
" -v Prints out the version number\n"\
" -i Input file\n"
#define PROGRAM_NAME "7ed"
int main (int argc, char *argv[]) {
if (argc == 1) {
fprintf(stderr, "%s: Please provide a file.\n%s\n", argv[0], USAGE);
return EXIT_FAILURE;
}
int i_used = FALSE_7ED; // These flags are to make sure -v and -i dont get used together. It makes the program feel a bit nicer.
int v_used = FALSE_7ED;
int opt;
int returnval;
char *optarg_copy = NULL; // We will copy optarg to this
while ((opt = getopt(argc, argv, "i:v")) != -1) {
switch (opt) {
case 'i':
optarg_copy = malloc(strlen(optarg) + 1); // malloc memory for optarg_copy
strcpy(optarg_copy, optarg); // Copy optarg to optarg_copy
i_used = TRUE_7ED;
break;
case 'v':
v_used = TRUE_7ED;
break;
}
}
if (i_used == TRUE_7ED && v_used == TRUE_7ED) { // If both flags are used print usage and exit
free(optarg_copy);
fprintf(stderr, "%s", USAGE);
return EXIT_FAILURE;
}
if (i_used == TRUE_7ED) { // enter startmode if we used 'i'
returnval = startmode(optarg_copy);
if (returnval == 1) {
free(optarg_copy);
return EXIT_FAILURE;
}
free(optarg_copy);
}
if (v_used == TRUE_7ED) { // print version
fprintf(stdout, "7Editor Version %d\n", VERSION);
}
return EXIT_SUCCESS;
}
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