reorganization: first steps

1 files changed, 50 insertions, 0 deletions

diff --git a/src/libc/sysstat.c b/src/libc/sysstat.c
new file mode 100644
index 0000000..97bb50b
--- /dev/null
+++ b/src/libc/sysstat.c
@@ -0,0 +1,50 @@
+#include <camellia.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+int fstat(int fd, struct stat *sb) {
+	(void)fd;
+	memset(sb, 0, sizeof sb);
+	// TODO save info if it was a dir
+	sb->st_mode = 0777 | S_IFREG;
+	return 0;
+}
+
+int stat(const char *restrict path, struct stat *restrict sb) {
+	int fd, ret;
+	fd = camellia_open(path, OPEN_READ);
+	if (fd < 0) {
+		return -1;
+	}
+	ret = fstat(fd, sb);
+	close(fd);
+	return ret;
+}
+
+int lstat(const char *restrict path, struct stat *restrict sb) {
+	// TODO assumes no symlink support
+	return stat(path, sb);
+}
+
+int mkdir(const char *path, mode_t mode) {
+	// TODO error when directory already exits
+	// TODO fopen-like wrapper that calls open() with a processed path
+	(void)mode;
+	size_t plen = strlen(path);
+	char *tmp = NULL;
+	/* ensure trailing slash */
+	if (plen >= 1 && path[plen - 1] != '/') {
+		tmp = malloc(plen + 2);
+		memcpy(tmp, path, plen);
+		tmp[plen] = '/';
+		tmp[plen + 1] = '\0';
+		path = tmp;
+	}
+	FILE *f = fopen(path, "a"); /* sets errno */
+	if (f) fclose(f);
+	free(tmp);
+	return f == NULL ? -1 : 0;
+}