Do not use an empty hostname.

When trying to connect to a given database libecpg should not try using an
empty hostname if no hostname was given.

diff --git a/src/interfaces/ecpg/ecpglib/connect.c b/src/interfaces/ecpg/ecpglib/connect.c
index 4fe2cf6a4450bb0e2beced46077c7297dcbae9dc..92d25b6fb4a8233e68b96b9422a068439cede871 100644 (file)
--- a/src/interfaces/ecpg/ecpglib/connect.c
+++ b/src/interfaces/ecpg/ecpglib/connect.c
@@ -326,7 +326,7 @@ ECPGconnect(int lineno, int c, const char *name, const char *user, const char *p
 
        if (dbname != NULL)
        {
-               /* get the detail information out of dbname */
+               /* get the detail information from dbname */
                if (strncmp(dbname, "tcp:", 4) == 0 || strncmp(dbname, "unix:", 5) == 0)
                {
                        int                     offset = 0;
@@ -345,7 +345,7 @@ ECPGconnect(int lineno, int c, const char *name, const char *user, const char *p
                                /*------
                                 * new style:
                                 *      <tcp|unix>:postgresql://server[:port|:/unixsocket/path:]
-                                *      [/db name][?options]
+                                *      [/db-name][?options]
                                 *------
                                 */
                                offset += strlen("postgresql://");
@@ -420,8 +420,10 @@ ECPGconnect(int lineno, int c, const char *name, const char *user, const char *p
                                        }
                                }
                                else
-                                       host = ecpg_strdup(dbname + offset, lineno);
-
+                               {
+                                       if (*(dbname + offset) != '\0')
+                                               host = ecpg_strdup(dbname + offset, lineno);
+                               }
                        }
                }
                else