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#include "config.h"
#include "headers.h"
#include "types.h"
#include "error.h"
#include "fd.h"
int set_fl(int fd, int flags)
{
int val;
if ((val = fcntl(fd, F_GETFL, 0)) < 0) {
print_error(stderr, "fcntl() failed");
return(1);
}
val |= flags;
if (fcntl(fd, F_SETFL, val) < 0) {
print_error(stderr, "fcntl() failed");
return(1);
}
return(0);
}
int clr_fl(int fd, int flags)
{
int val;
if ((val = fcntl(fd, F_GETFL, 0)) < 0) {
print_error(stderr, "fcntl() failed");
return(1);
}
val &= ~flags;
if (fcntl(fd, F_SETFL, val) < 0) {
print_error(stderr, "fcntl() failed");
return(1);
}
return(0);
}
int fdBegin(int fd)
{
return(set_fl(fd, O_NONBLOCK));
}
int fdEnd(int fd)
{
return(clr_fl(fd, O_NONBLOCK));
}
int fdIsFile(int fd)
{
struct stat st;
if (fstat(fd, &st) != 0) {
print_error(stderr, "fstat() failed");
return(0);
}
if (S_ISREG(st.st_mode)) return(1);
return(0);
}
int fdFileSize(int fd, uint64 *size)
{
struct stat st;
if (size == 0) {
print_error(stderr, "size == NULL");
return(1);
}
if (fstat(fd, &st) != 0) {
print_error(stderr, "fstat() failed");
return(1);
}
*size = (uint64)st.st_size;
return(0);
}
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