diff options
Diffstat (limited to 'futility/futility.h')
| -rw-r--r-- | futility/futility.h | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/futility/futility.h b/futility/futility.h index 652b5fbc..5f9a5b78 100644 --- a/futility/futility.h +++ b/futility/futility.h @@ -85,11 +85,29 @@ int print_hwid_digest(GoogleBinaryBlockHeader *gbb, /* Copies a file or dies with an error message */ void futil_copy_file_or_die(const char *infile, const char *outfile); -/* Wrapper for mmap/munmap. Returns 0 on success. Skips stupidly large files. */ +/* Possible file operation errors */ +enum futil_file_err { + FILE_ERR_NONE, + FILE_ERR_STAT, + FILE_ERR_SIZE, + FILE_ERR_MMAP, + FILE_ERR_MSYNC, + FILE_ERR_MUNMAP, + FILE_ERR_OPEN, + FILE_ERR_CLOSE, + FILE_ERR_DIR, + FILE_ERR_CHR, + FILE_ERR_FIFO, + FILE_ERR_SOCK, +}; + +/* Wrapper for mmap/munmap. Skips stupidly large files. */ #define MAP_RO 0 #define MAP_RW 1 -int futil_map_file(int fd, int writeable, uint8_t **buf, uint32_t *len); -int futil_unmap_file(int fd, int writeable, uint8_t *buf, uint32_t len); +enum futil_file_err futil_map_file(int fd, int writeable, + uint8_t **buf, uint32_t *len); +enum futil_file_err futil_unmap_file(int fd, int writeable, + uint8_t *buf, uint32_t len); /* The CPU architecture is occasionally important */ enum arch_t { |