57 lines
921 B
C
57 lines
921 B
C
#include <unistd.h>
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#include <merror.h>
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#include <string.h>
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#include "asm.h"
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void help(void) {
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printf("usage: masm [options] source.asm\n\n");
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printf("options:\n");
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printf("\t-h\t\tprints this help message\n");
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printf("\t-o output\tselect a output file destination\n");
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}
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int main(int argc, char **argv) {
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struct assembler_arguments args = {
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.in_file = NULL,
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.out_file = NULL,
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};
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int c;
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while ((c = getopt(argc, argv, "ho:")) != 1) {
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switch(c) {
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case 'h':
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help();
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return M_SUCCESS;
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case 'o':
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args.out_file = optarg;
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break;
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case '?':
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return M_ERROR;
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default:
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goto next;
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}
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}
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next:
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if (optind < argc - 1) {
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ERROR("too many source files passed");
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return M_ERROR;
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}
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if (optind >= argc) {
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ERROR("no source files passed");
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return M_ERROR;
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}
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args.in_file = argv[optind];
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if (args.out_file == NULL) {
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args.out_file = "out.o";
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}
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return assemble_file(args);
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}
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