Single-threaded plumber that can run "start" rules.

Thanks to Caerwyn Jones.

1 files changed, 83 insertions, 0 deletions

diff --git a/src/lib9/dirstat.c b/src/lib9/dirstat.c
new file mode 100644
index 00000000..fb9cd0ac
--- /dev/null
+++ b/src/lib9/dirstat.c
@@ -0,0 +1,83 @@
+#include "u.h"
+#include "libc.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <pwd.h>
+#include <grp.h>
+
+static void
+statconv(Dir *dir, struct stat *s)
+{
+	struct passwd *p;
+	struct group *g;
+	ulong q;
+
+	p = getpwuid(s->st_uid);
+	if (p)
+		strncpy(dir->uid, p->pw_name, NAMELEN);
+	g = getgrgid(s->st_gid);
+	if (g)
+		strncpy(dir->gid, g->gr_name, NAMELEN);
+	q = 0;
+	if(S_ISDIR(s->st_mode))
+		q = CHDIR;
+	q |= s->st_ino & 0x00FFFFFFUL;
+	dir->qid.path = q;
+	dir->qid.vers = s->st_mtime;
+	dir->mode = (dir->qid.path&CHDIR)|(s->st_mode&0777);
+	dir->atime = s->st_atime;
+	dir->mtime = s->st_mtime;
+	dir->length = s->st_size;
+	dir->dev = s->st_dev;
+	dir->type = 'M';
+	if(S_ISFIFO(s->st_mode))
+		dir->type = '|';
+}
+
+int
+dirfstat(int fd, Dir *d)
+{
+	struct stat sbuf;
+
+	if(fstat(fd, &sbuf) < 0)
+		return -1;
+	statconv(d, &sbuf);
+	return 0;
+}
+
+static char *
+lelem(char *path)
+{	
+	char *pr;
+
+	pr = utfrrune(path, '/');
+	if(pr)
+		pr++;
+	else
+		pr = path;
+	return pr;
+}
+
+int
+dirstat(char *f, Dir *d)
+{
+	struct stat sbuf;
+
+	if(stat(f, &sbuf) < 0)
+		return -1;
+	statconv(d, &sbuf);
+	strncpy(d->name, lelem(f), NAMELEN);
+	return 0;
+}
+
+int
+dirfwstat(int fd, Dir *d)
+{
+	return -1;
+}
+
+int
+dirwstat(char *name, Dir *d)
+{
+	return -1;
+}