ref: fdd8f1021298e7080e943a4bdbfc4a84952d9c0b
parent: c0a474b6bf77fa260be4b9dbf6ec0e35a5121ea6
parent: 765c1cc184b74e5f3fa52281079afb4a17405227
author: Sigrid Solveig Haflínudóttir <[email protected]>
date: Fri Jan 29 21:56:52 EST 2021
Merge branch 'master' of ssh://git.sr.ht/~ft/9pro
--- a/9pex.c
+++ b/9pex.c
@@ -1,4 +1,8 @@
+#ifdef __linux__
+#define _GNU_SOURCE
+#else
#define _DEFAULT_SOURCE
+#endif
#define _FILE_OFFSET_BITS 64
#include <dirent.h>
#include <errno.h>
@@ -422,11 +426,39 @@
}
static int
+mode2unix(C9mode mode, int qidtype)
+{
+ int omode;
+
+ omode = O_NOFOLLOW;
+ if ((mode & 3) == C9read)
+ omode |= O_RDONLY;
+ else if ((mode & 3) == C9write)
+ omode |= O_WRONLY;
+ else if ((mode & 3) == C9rdwr)
+ omode |= O_RDWR;
+ if (mode & C9trunc)
+ omode |= O_TRUNC;
+#ifdef __linux__
+ if (mode & C9rclose)
+ omode |= O_TMPFILE;
+#endif
+ if ((qidtype & C9qtappend) != 0)
+ omode |= O_APPEND;
+
+ return omode;
+}
+
+static int
openfid(Fid *f, C9mode mode, char **err)
{
struct stat st;
int omode;
+ if (stat(f->path, &st) != 0 || !hasperm(&st, mode, err))
+ goto error;
+ stat2qid(&st, &f->qid, &f->iounit);
+
if ((f->qid.type & C9qtdir) != 0) {
if ((f->dir = opendir(f->path)) == NULL) {
*err = strerror(errno);
@@ -434,29 +466,27 @@
}
f->fd = dirfd(f->dir);
} else {
- omode = O_RDONLY;
- if ((f->qid.type & C9qtappend) != 0)
- omode |= O_APPEND;
+ omode = mode2unix(mode, f->qid.type);
f->fd = open(f->path, omode);
}
- if (f->fd < 0 || fstat(f->fd, &st) != 0 || !hasperm(&st, mode, err)) {
- if (*err == NULL)
- *err = strerror(errno);
-
- if (f->dir != NULL)
- closedir(f->dir);
- else if (f->fd >= 0)
- close(f->fd);
-
- f->dir = NULL;
- f->fd = -1;
- return -1;
- }
- stat2qid(&st, &f->qid, &f->iounit);
+ if (f->fd < 0)
+ goto error;
f->mode = mode;
return 0;
+error:
+ if (*err == NULL)
+ *err = strerror(errno);
+
+ if (f->dir != NULL)
+ closedir(f->dir);
+ else if (f->fd >= 0)
+ close(f->fd);
+
+ f->dir = NULL;
+ f->fd = -1;
+ return -1;
}
static char *
--- a/c9/c9.c
+++ b/c9/c9.c
@@ -5,8 +5,13 @@
* any sense to copy-paste protocol documentation, which
* you can read at http://man.cat-v.org/plan_9/5/, see 'intro'.
*/
+#ifdef __plan9__
+#include <u.h>
+#include <libc.h>
+#else
#include <stdint.h>
#include <string.h>
+#endif
#include "c9.h"
enum
@@ -717,10 +722,9 @@
C9error
s9flush(C9ctx *c, C9tag tag)
{
- uint8_t *b;
C9error err;
- if((b = R(c, 0, Rflush, tag, &err)) != NULL)
+ if(R(c, 0, Rflush, tag, &err) != NULL)
err = c->end(c);
return err;
}
@@ -880,10 +884,9 @@
C9error
s9clunk(C9ctx *c, C9tag tag)
{
- uint8_t *b;
C9error err;
- if((b = R(c, 0, Rclunk, tag, &err)) != NULL)
+ if(R(c, 0, Rclunk, tag, &err) != NULL)
err = c->end(c);
return err;
}
@@ -891,10 +894,9 @@
C9error
s9remove(C9ctx *c, C9tag tag)
{
- uint8_t *b;
C9error err;
- if((b = R(c, 0, Rremove, tag, &err)) != NULL)
+ if(R(c, 0, Rremove, tag, &err) != NULL)
err = c->end(c);
return err;
}
@@ -943,10 +945,9 @@
C9error
s9wstat(C9ctx *c, C9tag tag)
{
- uint8_t *b;
C9error err;
- if((b = R(c, 0, Rwstat, tag, &err)) != NULL)
+ if(R(c, 0, Rwstat, tag, &err) != NULL)
err = c->end(c);
return err;
}
--- a/c9/c9.h
+++ b/c9/c9.h
@@ -1,3 +1,12 @@
+#ifdef __plan9__
+typedef u64int uint64_t;
+typedef u32int uint32_t;
+typedef u16int uint16_t;
+typedef u8int uint8_t;
+#define __attribute__(...)
+#define NULL nil
+#endif
+
struct C9aux;
typedef struct C9r C9r;