[Qemu-devel] [PULL 04/65] slirp: use a dedicated field for chardev pointer

[Samuel Thibault]

From: Marc-André Lureau <address@hidden>

Let's not mix command line and chardev pointers.

Signed-off-by: Marc-André Lureau <address@hidden>
Signed-off-by: Samuel Thibault <address@hidden>
---
 net/slirp.c      |  8 ++++----
 slirp/libslirp.h |  2 +-
 slirp/misc.c     | 11 +++++++----
 slirp/misc.h     |  4 ++--
 slirp/slirp.c    |  5 +++--
 slirp/tcp_subr.c |  2 +-
 6 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/net/slirp.c b/net/slirp.c
index dd06b0189e..58d880de8d 100644
--- a/net/slirp.c
+++ b/net/slirp.c
@@ -709,8 +709,8 @@ static int slirp_smb(SlirpState* s, const char 
*exported_dir,
              CONFIG_SMBD_COMMAND, s->smb_dir, smb_conf);
     g_free(smb_conf);
 
-    if (slirp_add_exec(s->slirp, 0, smb_cmdline, &vserver_addr, 139) < 0 ||
-        slirp_add_exec(s->slirp, 0, smb_cmdline, &vserver_addr, 445) < 0) {
+    if (slirp_add_exec(s->slirp, NULL, smb_cmdline, &vserver_addr, 139) < 0 ||
+        slirp_add_exec(s->slirp, NULL, smb_cmdline, &vserver_addr, 445) < 0) {
         slirp_smb_cleanup(s);
         g_free(smb_cmdline);
         error_setg(errp, "Conflicting/invalid smbserver address");
@@ -774,7 +774,7 @@ static int slirp_guestfwd(SlirpState *s, const char 
*config_str, Error **errp)
     snprintf(buf, sizeof(buf), "guestfwd.tcp.%d", port);
 
     if ((strlen(p) > 4) && !strncmp(p, "cmd:", 4)) {
-        if (slirp_add_exec(s->slirp, 0, &p[4], &server, port) < 0) {
+        if (slirp_add_exec(s->slirp, NULL, &p[4], &server, port) < 0) {
             error_setg(errp, "Conflicting/invalid host:port in guest "
                        "forwarding rule '%s'", config_str);
             return -1;
@@ -801,7 +801,7 @@ static int slirp_guestfwd(SlirpState *s, const char 
*config_str, Error **errp)
             return -1;
         }
 
-        if (slirp_add_exec(s->slirp, 3, &fwd->hd, &server, port) < 0) {
+        if (slirp_add_exec(s->slirp, &fwd->hd, NULL, &server, port) < 0) {
             error_setg(errp, "Conflicting/invalid host:port in guest "
                        "forwarding rule '%s'", config_str);
             g_free(fwd);
diff --git a/slirp/libslirp.h b/slirp/libslirp.h
index 52dbb9feb5..3e88dbaa01 100644
--- a/slirp/libslirp.h
+++ b/slirp/libslirp.h
@@ -35,7 +35,7 @@ int slirp_add_hostfwd(Slirp *slirp, int is_udp,
                       struct in_addr guest_addr, int guest_port);
 int slirp_remove_hostfwd(Slirp *slirp, int is_udp,
                          struct in_addr host_addr, int host_port);
-int slirp_add_exec(Slirp *slirp, int do_pty, const void *args,
+int slirp_add_exec(Slirp *slirp, void *chardev, const char *cmdline,
                    struct in_addr *guest_addr, int guest_port);
 
 void slirp_connection_info(Slirp *slirp, Monitor *mon);
diff --git a/slirp/misc.c b/slirp/misc.c
index 8f0b6004bd..2784fc420f 100644
--- a/slirp/misc.c
+++ b/slirp/misc.c
@@ -37,7 +37,7 @@ remque(void *a)
   element->qh_rlink = NULL;
 }
 
-int add_exec(struct ex_list **ex_ptr, int do_pty, char *exec,
+int add_exec(struct ex_list **ex_ptr, void *chardev, const char *cmdline,
              struct in_addr addr, int port)
 {
        struct ex_list *tmp_ptr;
@@ -50,11 +50,14 @@ int add_exec(struct ex_list **ex_ptr, int do_pty, char 
*exec,
        }
 
        tmp_ptr = *ex_ptr;
-       *ex_ptr = g_new(struct ex_list, 1);
+       *ex_ptr = g_new0(struct ex_list, 1);
        (*ex_ptr)->ex_fport = port;
        (*ex_ptr)->ex_addr = addr;
-       (*ex_ptr)->ex_chardev = do_pty == 3;
-       (*ex_ptr)->ex_exec = (do_pty == 3) ? exec : g_strdup(exec);
+       if (chardev) {
+               (*ex_ptr)->ex_chardev = chardev;
+       } else {
+               (*ex_ptr)->ex_exec = g_strdup(cmdline);
+       }
        (*ex_ptr)->ex_next = tmp_ptr;
        return 0;
 }
diff --git a/slirp/misc.h b/slirp/misc.h
index 1f8d11def6..64ca88c3b7 100644
--- a/slirp/misc.h
+++ b/slirp/misc.h
@@ -9,7 +9,7 @@
 #define MISC_H
 
 struct ex_list {
-       int ex_chardev;
+       void *ex_chardev;
        struct in_addr ex_addr;         /* Server address */
        int ex_fport;                   /* Port to telnet to */
        const char *ex_exec;            /* Command line of what to exec */
@@ -52,7 +52,7 @@ struct slirp_quehead {
 
 void slirp_insque(void *, void *);
 void slirp_remque(void *);
-int add_exec(struct ex_list **, int, char *, struct in_addr, int);
+int add_exec(struct ex_list **, void *, const char *, struct in_addr, int);
 int fork_exec(struct socket *so, const char *ex);
 
 #endif
diff --git a/slirp/slirp.c b/slirp/slirp.c
index 0498a092b9..0de46084c0 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -1068,7 +1068,7 @@ int slirp_add_hostfwd(Slirp *slirp, int is_udp, struct 
in_addr host_addr,
     return 0;
 }
 
-int slirp_add_exec(Slirp *slirp, int do_pty, const void *args,
+int slirp_add_exec(Slirp *slirp, void *chardev, const char *cmdline,
                    struct in_addr *guest_addr, int guest_port)
 {
     if (!guest_addr->s_addr) {
@@ -1081,7 +1081,8 @@ int slirp_add_exec(Slirp *slirp, int do_pty, const void 
*args,
         guest_addr->s_addr == slirp->vnameserver_addr.s_addr) {
         return -1;
     }
-    return add_exec(&slirp->exec_list, do_pty, (char *)args, *guest_addr,
+
+    return add_exec(&slirp->exec_list, chardev, cmdline, *guest_addr,
                     htons(guest_port));
 }
 
diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c
index dc19eea55a..e7b2baa087 100644
--- a/slirp/tcp_subr.c
+++ b/slirp/tcp_subr.c
@@ -962,7 +962,7 @@ int tcp_ctl(struct socket *so)
                 so->so_faddr.s_addr == ex_ptr->ex_addr.s_addr) {
                 if (ex_ptr->ex_chardev) {
                     so->s = -1;
-                    so->extra = (void *)ex_ptr->ex_exec;
+                    so->extra = ex_ptr->ex_chardev;
                     return 1;
                 }
                 DEBUG_MISC((dfd, " executing %s\n", ex_ptr->ex_exec));
-- 
2.20.1