diff options
Diffstat (limited to 'src/logic/mdso_map_input.c')
-rw-r--r-- | src/logic/mdso_map_input.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/src/logic/mdso_map_input.c b/src/logic/mdso_map_input.c deleted file mode 100644 index 77401f3..0000000 --- a/src/logic/mdso_map_input.c +++ /dev/null @@ -1,62 +0,0 @@ -/****************************************************************/ -/* mdso: midipix dso scavenger */ -/* Copyright (C) 2015--2017 Z. Gilboa */ -/* Released under GPLv2 and GPLv3; see COPYING.MDSO. */ -/****************************************************************/ - -#include <stdint.h> -#include <stdbool.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/mman.h> -#include <sys/types.h> -#include <sys/stat.h> - -#include <mdso/mdso.h> -#include "mdso_errinfo_impl.h" - -int mdso_map_input( - const struct mdso_driver_ctx * dctx, - int fd, - const char * path, - int prot, - struct mdso_input * map) -{ - struct stat st; - bool fnew; - int ret; - - if ((fnew = (fd < 0))) - fd = open(path,O_RDONLY | O_CLOEXEC); - - if (fd < 0) - return MDSO_SYSTEM_ERROR(dctx); - - if ((ret = fstat(fd,&st) < 0) && fnew) - close(fd); - - else if ((st.st_size == 0) && fnew) - close(fd); - - if (ret < 0) - return MDSO_SYSTEM_ERROR(dctx); - - else if (st.st_size == 0) - return MDSO_CUSTOM_ERROR( - dctx,MDSO_ERR_SOURCE_SIZE_ZERO); - - map->size = st.st_size; - map->addr = mmap(0,map->size,prot,MAP_PRIVATE,fd,0); - - if (fnew) - close(fd); - - return (map->addr == MAP_FAILED) - ? MDSO_SYSTEM_ERROR(dctx) - : 0; -} - -int mdso_unmap_input(struct mdso_input * map) -{ - return munmap(map->addr,map->size); -} |