diff options
| -rw-r--r-- | src/logic/sfrt_map_input.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/logic/sfrt_map_input.c b/src/logic/sfrt_map_input.c index 77cc40e..d73ace6 100644 --- a/src/logic/sfrt_map_input.c +++ b/src/logic/sfrt_map_input.c @@ -29,9 +29,16 @@ int sfrt_map_input( if ((ret = fstat(fd,&st) < 0) && fnew) close(fd); + else if ((st.st_size == 0) && fnew) + close(fd); + if (ret < 0) return SFRT_SYSTEM_ERROR(dctx); + else if (st.st_size == 0) + return SFRT_CUSTOM_ERROR( + dctx,SFRT_ERR_SOURCE_SIZE_ZERO); + map->size = st.st_size; map->addr = mmap(0,map->size,prot,MAP_PRIVATE,fd,0); |