diff options
Diffstat (limited to 'src/helper/slbt_map_input.c')
-rw-r--r-- | src/helper/slbt_map_input.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/src/helper/slbt_map_input.c b/src/helper/slbt_map_input.c deleted file mode 100644 index ca0b06b..0000000 --- a/src/helper/slbt_map_input.c +++ /dev/null @@ -1,67 +0,0 @@ -/*******************************************************************/ -/* slibtool: a skinny libtool implementation, written in C */ -/* Copyright (C) 2015--2024 SysDeer Technologies, LLC */ -/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */ -/*******************************************************************/ - -#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 <slibtool/slibtool.h> -#include "slibtool_driver_impl.h" -#include "slibtool_errinfo_impl.h" - -int slbt_map_input( - const struct slbt_driver_ctx * dctx, - int fd, - const char * path, - int prot, - struct slbt_input * map) -{ - int ret; - struct stat st; - bool fnew; - int fdcwd; - - fdcwd = slbt_driver_fdcwd(dctx); - - if ((fnew = (fd < 0))) - fd = openat(fdcwd,path,O_RDONLY | O_CLOEXEC); - - if (fd < 0) - return SLBT_SYSTEM_ERROR(dctx,path); - - if ((ret = fstat(fd,&st) < 0) && fnew) - close(fd); - - else if ((st.st_size == 0) && fnew) - close(fd); - - if (ret < 0) - return SLBT_SYSTEM_ERROR(dctx,path); - - if (st.st_size == 0) { - map->size = 0; - map->addr = 0; - } else { - 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) - ? SLBT_SYSTEM_ERROR(dctx,path) - : 0; -} - -int slbt_unmap_input(struct slbt_input * map) -{ - return map->size ? munmap(map->addr,map->size) : 0; -} |