Mirror of :pserver:cvs@cvs.fefe.de:/cvs libowfat https://www.fefe.de/libowfat/
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#include "buffer.h"
extern ssize_t buffer_stubborn_read(ssize_t (*op)(),int fd,const char* buf, size_t len,void* cookie);
ssize_t buffer_feed(buffer* b) {
if (b->p==b->n) {
ssize_t w;
if ((w=buffer_stubborn_read(b->op,b->fd,b->x,b->a,b))<0)
return -1;
b->n=(size_t)w;
b->p=0;
}
return (ssize_t)(b->n-b->p);
}