1 files changed, 65 insertions, 0 deletions
diff --git a/src/parse-xbm.c b/src/parse-xbm.c
new file mode 100644
index 0000000..facf1ec
--- /dev/null
+++ b/src/parse-xbm.c
@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include "xbm.h"
+
+static void do_help (FILE *os, const char *program_name) {
+	fprintf(os,
+"Load an XBM file from STDIN, print the bits back to the STDOUT\n"
+"Usage: %s [-h]\n"
+"Options:\n"
+"  -h  print this message and exit normally\n"
+	, program_name);
+}
+
+static void do_opts (const int argc, const char **argv) {
+	int o;
+
+	while (true) {
+		o = getopt(argc, (char *const *)argv, "h");
+		if (o < 0) {
+			break;
+		}
+
+		switch (o) {
+		case 'h':
+			do_help(stdout, argv[0]);
+			exit(0);
+			break; // compiler, stfu
+		default:
+			do_help(stderr, argv[0]);
+			exit(2);
+		}
+	}
+}
+
+int main (const int argc, const char **argv) {
+	int ec = 0;
+	unsigned int c;
+	xbm_t xbm;
+	size_t p;
+
+	do_opts(argc, argv);
+
+	init_xbm(&xbm);
+
+	if (!load_xbm(stdin, &xbm, NULL, NULL)) {
+		ec = 1;
+		perror("load_xbm()");
+		goto END;
+	}
+
+	for (size_t i = 0; i < xbm.bits_len; i += 1) {
+		c = (unsigned char)xbm.bits[i];
+		printf("%02x%c", c, (i + 1) % 24 == 0 ? '\n' : ' ');
+	}
+
+	if (p % 24 != 0) {
+		printf("\n");
+	}
+
+END:
+	free_xbm(&xbm);
+
+	return ec;
+}