[Qemu-devel] [PATCH 15/27] slirp: add slirp own version of pstrcpy

[Marc-André Lureau]

Remove a dependency on qemu util.

Signed-off-by: Marc-André Lureau <address@hidden>
---
 slirp/util.h  |  2 ++
 slirp/slirp.c |  4 ++--
 slirp/tftp.c  |  2 +-
 slirp/util.c  | 17 +++++++++++++++++
 4 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/slirp/util.h b/slirp/util.h
index 782ae8ef0ee..e3332cdcd60 100644
--- a/slirp/util.h
+++ b/slirp/util.h
@@ -89,4 +89,6 @@ static inline int slirp_socket_set_fast_reuse(int fd)
 #endif
 }
 
+void slirp_pstrcpy(char *buf, int buf_size, const char *str);
+
 #endif
diff --git a/slirp/slirp.c b/slirp/slirp.c
index 5450b52dbf4..9e38d3f8cb3 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -320,8 +320,8 @@ Slirp *slirp_init(int restricted, bool in_enabled, struct 
in_addr vnetwork,
     slirp->vprefix_len = vprefix_len;
     slirp->vhost_addr6 = vhost6;
     if (vhostname) {
-        pstrcpy(slirp->client_hostname, sizeof(slirp->client_hostname),
-                vhostname);
+        slirp_pstrcpy(slirp->client_hostname, sizeof(slirp->client_hostname),
+                      vhostname);
     }
     slirp->tftp_prefix = g_strdup(tftp_path);
     slirp->bootp_filename = g_strdup(bootfile);
diff --git a/slirp/tftp.c b/slirp/tftp.c
index 6fb381ef337..f0bcc72c925 100644
--- a/slirp/tftp.c
+++ b/slirp/tftp.c
@@ -216,7 +216,7 @@ static void tftp_send_error(struct tftp_session *spt,
 
   tp->tp_op = htons(TFTP_ERROR);
   tp->x.tp_error.tp_error_code = htons(errorcode);
-  pstrcpy((char *)tp->x.tp_error.tp_msg, sizeof(tp->x.tp_error.tp_msg), msg);
+  slirp_pstrcpy((char *)tp->x.tp_error.tp_msg, sizeof(tp->x.tp_error.tp_msg), 
msg);
 
   m->m_len = sizeof(struct tftp_t) - (TFTP_BLOCKSIZE_MAX + 2) + 3 + strlen(msg)
              - sizeof(struct udphdr);
diff --git a/slirp/util.c b/slirp/util.c
index 499c5cea46f..60f474f0aab 100644
--- a/slirp/util.c
+++ b/slirp/util.c
@@ -186,3 +186,20 @@ int slirp_closesocket(int fd)
     return ret;
 }
 #endif /* WIN32 */
+
+void slirp_pstrcpy(char *buf, int buf_size, const char *str)
+{
+    int c;
+    char *q = buf;
+
+    if (buf_size <= 0)
+        return;
+
+    for(;;) {
+        c = *str++;
+        if (c == 0 || q >= buf + buf_size - 1)
+            break;
+        *q++ = c;
+    }
+    *q = '\0';
+}
-- 
2.20.1.98.gecbdaf0899