1 files changed, 68 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..23b0471
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,68 @@
+#include <sys/stat.h>
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "errors.h"
+#include "lexer.h"
+
+static char *readfile(const char *, size_t *);
+
+int
+main(int argc, char **argv)
+{
+	if (argc != 2) {
+		fputs("Usage: oryx file\n", stderr);
+		exit(EXIT_FAILURE);
+	}
+
+	struct {
+		char *p;
+		size_t len;
+	} file = {
+		.p = readfile(argv[1], &file.len),
+	};
+
+	struct {
+		struct lexeme *p;
+		size_t len;
+	} toks = {
+		.p = lexstring(file.p, file.len, &toks.len),
+	};
+
+#if DEBUG
+	free(file.p);
+	free(toks.p);
+#endif
+	return EXIT_SUCCESS;
+}
+
+char *
+readfile(const char *filename, size_t *n)
+{
+	int fd = open(filename, O_RDONLY);
+	if (fd == -1)
+		err("open: %s", filename);
+
+	struct stat sb;
+	if (fstat(fd, &sb) == -1)
+		err("fstat: %s", filename);
+
+	char *p = malloc(sb.st_size + 4);
+	if (p == NULL)
+		err("malloc:");
+
+	ssize_t nr;
+	for (size_t off = 0; (nr = read(fd, p + off, sb.st_blksize)) > 0; off += nr)
+		;
+	if (nr == -1)
+		err("read: %s", filename);
+	for (int i = 0; i < 4; i++)
+		p[sb.st_size + i] = 0;
+
+	*n = sb.st_size;
+	close(fd);
+	return p;
+}