gzstream: memmove is safer here

Thanks to @fosnola for spotting this.
2023-01-21 11:01:41 -05:00
parent 0e77f56fbb
commit 641bef9f80
1 changed files with 1 additions and 1 deletions
--- a/src/fileio/gzstream/gzstream.cpp
+++ b/src/fileio/gzstream/gzstream.cpp
@@ -85,7 +85,7 @@ int gzstreambuf::underflow() { // used for input buffer only
    int n_putback = gptr() - eback();
    if( n_putback > 4)
        n_putback = 4;
-    memcpy( buffer + (4 - n_putback), gptr() - n_putback, n_putback);
+    memmove( buffer + (4 - n_putback), gptr() - n_putback, n_putback);

    int num = gzread( file, buffer+4, bufferSize-4);
    if(num <= 0) // ERROR or EOF