[X2Go-Commits] [libx2goclient] 08/09: src/x2goclient-network-ssh.c: replace older code with x2goclient_str_to_int ().

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x2go pushed a commit to branch master
in repository libx2goclient.

commit 7a24c133398a7b8e17273ff51ee9887fb88f6444
Author: Mihai Moldovan <io...@ionic.de>
Date:   Sat Mar 28 09:42:20 2020 +0100

    src/x2goclient-network-ssh.c: replace older code with x2goclient_str_to_int 
().
---
 src/x2goclient-network-ssh.c | 45 ++++++++++++++++++++++++--------------------
 1 file changed, 25 insertions(+), 20 deletions(-)

diff --git a/src/x2goclient-network-ssh.c b/src/x2goclient-network-ssh.c
index a3762a1..0f72712 100644
--- a/src/x2goclient-network-ssh.c
+++ b/src/x2goclient-network-ssh.c
@@ -45,6 +45,7 @@
 
 #include "x2goclient.h"
 #include "x2goclient-network-ssh.h"
+#include "x2goclient-utils.h"
 
 
 struct _X2GoClientNetworkOptionsSSH {
@@ -219,28 +220,32 @@ static guint16 x2goclient_network_ssh_parse_sockspec_port 
(const GString *portsp
      * In the worst case, portspec->str[1] will point to a terminating NULL
      * character, but that's non-critical.
      */
-    gchar *err_msg = NULL;
-    errno = 0;
-    int saved_errno = 0;
-    long long conv = strtoll (portspec->str + 1, NULL, 10);
-    saved_errno = errno;
-
-    if (0 != saved_errno) {
-      err_msg = "Not a valid number.";
-    }
-    else if ((1 << 16) <= conv)  {
-      err_msg = "Port specifier out of range: too big.";
-    }
-    else if (0 >= conv) {
-      err_msg = "Port specifier out of range: negative or zero.";
+    _Bool conv_err = TRUE,
+          min_err = TRUE,
+          max_err = TRUE;
+    long long conv = x2goclient_str_to_int (portspec->str + 1, TRUE, 1, TRUE, 
((1 << 16) - 1), NULL, &conv_err, &min_err, &max_err);
+
+    if (conv_err) {
+      if (min_err) {
+        g_set_error_literal (gerr, X2GOCLIENT_NETWORK_SSH_ERROR, 
X2GOCLIENT_NETWORK_SSH_ERROR_PORT_CONV_UNDERFLOW, "Port specifier too small to 
fit into long long type.");
+      }
+      else if (max_err) {
+        g_set_error_literal (gerr, X2GOCLIENT_NETWORK_SSH_ERROR, 
X2GOCLIENT_NETWORK_SSH_ERROR_PORT_CONV_OVERFLOW, "Port specifier too big to fit 
into long long type.");
+      }
+      else {
+        g_set_error_literal (gerr, X2GOCLIENT_NETWORK_SSH_ERROR, 
X2GOCLIENT_NETWORK_SSH_ERROR_PORT_CONV_NOT_NUMERIC, "Port specifier is not 
numeric.");
+      }
     }
     else {
-      ret = conv;
-    }
-
-    if (err_msg) {
-      g_set_error_literal (gerr, X2GOCLIENT_NETWORK_SSH_ERROR, 
X2GOCLIENT_NETWORK_SSH_ERROR_PORT_CONV, err_msg);
-      err_msg = NULL;
+      if (min_err) {
+        g_set_error_literal (gerr, X2GOCLIENT_NETWORK_SSH_ERROR, 
X2GOCLIENT_NETWORK_SSH_ERROR_PORT_CONV_NEGATIVE_ZERO, "Port specifier out of 
range: negative or zero.");
+      }
+      else if (max_err) {
+        g_set_error_literal (gerr, X2GOCLIENT_NETWORK_SSH_ERROR, 
X2GOCLIENT_NETWORK_SSH_ERROR_PORT_CONV_TOO_BIG, "Port specifier out of range: 
negative or zero.");
+      }
+      else {
+        ret = conv;
+      }
     }
   }
   else {

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