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Allow for bigger map-packs. Hopefully everyone is running a 64bit system now...

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@6091 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2021-10-31 18:20:22 +00:00
parent 660f128569
commit b676f9c3e2

View file

@ -1773,9 +1773,9 @@ typedef struct
vfsfile_t funcs;
char *data;
int maxlen;
unsigned int writepos;
unsigned int readpos;
size_t maxlen;
size_t writepos;
size_t readpos;
void *mutex;
int refs;
qboolean terminate; //one end has closed, make the other report failures now that its no longer needed.
@ -1842,6 +1842,8 @@ static int QDECL VFSPIPE_ReadBytes(vfsfile_t *f, void *buffer, int len)
static int QDECL VFSPIPE_WriteBytes(vfsfile_t *f, const void *buffer, int len)
{
vfspipe_t *p = (vfspipe_t*)f;
if (len < 0)
return -1;
Sys_LockMutex(p->mutex);
if (p->terminate)
{ //if we started with 2 refs, and we're down to one, and we're writing, then its the reader that closed. that means writing is redundant and we should signal an error.
@ -1860,15 +1862,15 @@ static int QDECL VFSPIPE_WriteBytes(vfsfile_t *f, const void *buffer, int len)
p->maxlen = p->writepos + len;
if (p->maxlen < (p->writepos-p->readpos)*2) //over-allocate a little
p->maxlen = (p->writepos-p->readpos)*2;
if (p->maxlen > 0x8000000)
if (p->maxlen > 0x8000000 && p->data)
{
p->maxlen = 0x8000000;
len = p->maxlen - p->writepos;
if (!len)
p->maxlen = max(p->writepos,0x8000000);
if (p->maxlen <= p->writepos)
{
Sys_UnlockMutex(p->mutex);
return -1; //try and get the caller to stop
}
len = min(len, p->maxlen - p->writepos);
}
p->data = realloc(p->data, p->maxlen);
}