ITS#7992 cleanup

check for utf8_to_utf16 failures

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 36968efff2295bc43c0fcaeaa993cf08085d13b8..fa0c9e5b9ccd1f2ba6df9daba40bcf3258eee3aa 100644 (file)
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -4470,7 +4470,9 @@ mdb_env_setup_locks(MDB_env *env, char *lpath, int mode, int *excl)
 
 #ifdef _WIN32
        wchar_t *wlpath;
-       utf8_to_utf16(lpath, -1, &wlpath, NULL);
+       rc = utf8_to_utf16(lpath, -1, &wlpath, NULL);
+       if (rc)
+               return rc;
        env->me_lfd = CreateFileW(wlpath, GENERIC_READ|GENERIC_WRITE,
                FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_ALWAYS,
                FILE_ATTRIBUTE_NORMAL, NULL);
@@ -4758,7 +4760,9 @@ mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mdb_mode_t mode
                len = OPEN_ALWAYS;
        }
        mode = FILE_ATTRIBUTE_NORMAL;
-       utf8_to_utf16(dpath, -1, &wpath, NULL);
+       rc = utf8_to_utf16(dpath, -1, &wpath, NULL);
+       if (rc)
+               goto leave;
        env->me_fd = CreateFileW(wpath, oflags, FILE_SHARE_READ|FILE_SHARE_WRITE,
                NULL, len, mode, NULL);
        free(wpath);
@@ -4790,7 +4794,9 @@ mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mdb_mode_t mode
                         */
 #ifdef _WIN32
                        len = OPEN_EXISTING;
-                       utf8_to_utf16(dpath, -1, &wpath, NULL);
+                       rc = utf8_to_utf16(dpath, -1, &wpath, NULL);
+                       if (rc)
+                               goto leave;
                        env->me_mfd = CreateFileW(wpath, oflags,
                                FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, len,
                                mode | FILE_FLAG_WRITE_THROUGH, NULL);
@@ -9281,7 +9287,9 @@ mdb_env_copy2(MDB_env *env, const char *path, unsigned int flags)
         * already in the OS cache.
         */
 #ifdef _WIN32
-       utf8_to_utf16(lpath, -1, &wpath, NULL);
+       rc = utf8_to_utf16(lpath, -1, &wpath, NULL);
+       if (rc)
+               return rc;
        newfd = CreateFileW(wpath, GENERIC_WRITE, 0, NULL, CREATE_NEW,
                                FILE_FLAG_NO_BUFFERING|FILE_FLAG_WRITE_THROUGH, NULL);
        free(wpath);
@@ -10013,6 +10021,8 @@ static int utf8_to_utf16(const char *src, int srcsize, wchar_t **dst, int *dstsi
        if (need == 0)
                return EINVAL;
        result = malloc(sizeof(wchar_t) * need);
+       if (!result)
+               return ENOMEM;
        MultiByteToWideChar(CP_UTF8, 0, src, srcsize, result, need);
        if (dstsize)
                *dstsize = need;