[Qt] Terminate string *pszExePath after readlink and without using memset

7 years ago · 3a4401a6b8
parent a90e6d2bff
commit 3a4401a6b8
1 changed files with 3 additions and 2 deletions
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@ -743,9 +743,10 @@ bool SetStartOnSystemStartup(bool fAutoStart)
    else
    {
        char pszExePath[MAX_PATH+1];
-        memset(pszExePath, 0, sizeof(pszExePath));
-        if (readlink("/proc/self/exe", pszExePath, sizeof(pszExePath)-1) == -1)
+        ssize_t r = readlink("/proc/self/exe", pszExePath, sizeof(pszExePath) - 1);
+        if (r == -1)
            return false;
+        pszExePath[r] = '\0';

        fs::create_directories(GetAutostartDir());