void *grab_file(const char *filename, unsigned long *size)
{
struct stat st;
- void *map;
+ void *map = MAP_FAILED;
int fd;
fd = open(filename, O_RDONLY);
- if (fd < 0 || fstat(fd, &st) != 0)
+ if (fd < 0)
return NULL;
+ if (fstat(fd, &st))
+ goto failed;
*size = st.st_size;
map = mmap(NULL, *size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
- close(fd);
+failed:
+ close(fd);
if (map == MAP_FAILED)
return NULL;
return map;