1 files changed, 79 insertions, 0 deletions
diff --git a/lib9/dirstat-posix.c b/lib9/dirstat-posix.c
new file mode 100644
index 00000000..8925b6da
--- /dev/null
+++ b/lib9/dirstat-posix.c
@@ -0,0 +1,79 @@
+#include "lib9.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <pwd.h>
+#include <grp.h>
+
+static char nullstring[] = "";
+static char Enovmem[] = "out of memory";
+
+static Dir*
+statconv(struct stat *s, char *name)
+{
+	struct passwd *p;
+	struct group *g;
+	Dir *dir;
+	int str;
+	char *n;
+
+	str = 0;
+	p = getpwuid(s->st_uid);
+	if(p)
+		str += strlen(p->pw_name)+1;
+	g = getgrgid(s->st_gid);
+	if(g)
+		str += strlen(g->gr_name)+1;
+	dir = malloc(sizeof(Dir)+str);
+	if(dir == nil){
+		werrstr(Enovmem);
+		return nil;
+	}
+	n = (char*)dir+sizeof(Dir);
+	dir->name = name;
+	dir->uid = dir->gid = dir->muid = nullstring;
+	if(p){
+		dir->uid = n;
+		strcpy(n, p->pw_name);
+		n += strlen(p->pw_name)+1;
+	}
+	if(g){
+		dir->gid = n;
+		strcpy(n, g->gr_name);
+	}
+	dir->qid.type = S_ISDIR(s->st_mode)? QTDIR: QTFILE;
+	dir->qid.path = s->st_ino;
+	dir->qid.vers = s->st_mtime;
+	dir->mode = (dir->qid.type<<24)|(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 = S_ISFIFO(s->st_mode)? '|': 'M';
+	return dir;
+}
+
+Dir*
+dirfstat(int fd)
+{
+	struct stat sbuf;
+
+	if(fstat(fd, &sbuf) < 0)
+		return nil;
+	return statconv(&sbuf, nullstring);
+}
+
+Dir*
+dirstat(char *f)
+{
+	struct stat sbuf;
+	char *p;
+
+	if(stat(f, &sbuf) < 0)
+		return nil;
+	p = strrchr(f, '/');
+	if(p)
+		p++;
+	else
+		p = nullstring;
+	return statconv(&sbuf, p);
+}