Use smaller buffer for copying

This commit is contained in:
Juliusz Sosinowicz 2023-07-03 14:30:06 +02:00
parent 3d2db844c1
commit 713670dcc7
1 changed files with 5 additions and 9 deletions

View File

@ -778,7 +778,7 @@ int rem_file(const char* fileName)
int copy_file(const char* in, const char* out)
{
byte buf[2500];
byte buf[100];
XFILE inFile = XBADFILE;
XFILE outFile = XBADFILE;
size_t sz;
@ -792,14 +792,10 @@ int copy_file(const char* in, const char* out)
if (outFile == XBADFILE)
goto cleanup;
sz = XFREAD(buf, 1, sizeof(buf), inFile);
/* 2500 bytes should be more than enough to read the entire files.
* Error out if we can't read the file all at once. */
if (sz == sizeof(buf) || sz == 0)
goto cleanup;
if (XFWRITE(buf, 1, sz, outFile) != sz)
goto cleanup;
while ((sz = XFREAD(buf, 1, sizeof(buf), inFile)) != 0) {
if (XFWRITE(buf, 1, sz, outFile) != sz)
goto cleanup;
}
ret = 0;
cleanup: