Start moving some of the non-parsing stuff out of 'parse.c'

Create a 'main.c' with the main routine and argument "parsing" etc.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

main.c

@@ -0,0 +1,89 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include "dive.h"
+
+static void show_dive(int nr, struct dive *dive)
+{
+	int i;
+	struct tm *tm;
+
+	tm = gmtime(&dive->when);
+
+	printf("At %02d:%02d:%02d %04d-%02d-%02d  (%d ft max, %d minutes)\n",
+		tm->tm_hour, tm->tm_min, tm->tm_sec,
+		tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
+		to_feet(dive->maxdepth), dive->duration.seconds / 60);
+
+	if (!verbose)
+		return;
+
+	for (i = 0; i < dive->samples; i++) {
+		struct sample *s = dive->sample + i;
+
+		printf("%4d:%02d: %3d ft, %2d C, %4d PSI\n",
+			s->time.seconds / 60,
+			s->time.seconds % 60,
+			to_feet(s->depth),
+			to_C(s->temperature),
+			to_PSI(s->tankpressure));
+	}
+}
+
+static int sortfn(const void *_a, const void *_b)
+{
+	const struct dive *a = *(void **)_a;
+	const struct dive *b = *(void **)_b;
+
+	if (a->when < b->when)
+		return -1;
+	if (a->when > b->when)
+		return 1;
+	return 0;
+}
+
+static void report_dives(void)
+{
+	int i;
+
+	qsort(dive_table.dives, dive_table.nr, sizeof(struct dive *), sortfn);
+	for (i = 0; i < dive_table.nr; i++)
+		show_dive(i+1, dive_table.dives[i]);
+}
+
+static void parse_argument(const char *arg)
+{
+	const char *p = arg+1;
+
+	do {
+		switch (*p) {
+		case 'v':
+			verbose++;
+			continue;
+		default:
+			fprintf(stderr, "Bad argument '%s'\n", arg);
+			exit(1);
+		}
+	} while (*++p);
+}
+
+int main(int argc, char **argv)
+{
+	int i;
+
+	parse_xml_init();
+
+	for (i = 1; i < argc; i++) {
+		const char *a = argv[i];
+
+		if (a[0] == '-') {
+			parse_argument(a);
+			continue;
+		}
+		parse_xml_file(a);
+	}
+	report_dives();
+	return 0;
+}
+