diff options
Diffstat (limited to 'src/file_posix.c')
| -rw-r--r-- | src/file_posix.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/src/file_posix.c b/src/file_posix.c index 0ffbf5e..e6915a5 100644 --- a/src/file_posix.c +++ b/src/file_posix.c @@ -3,6 +3,9 @@ #include <fcntl.h> #include <unistd.h> #include <string.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> static const bh_io_table_t bh_file_table = { (int (*)(struct bh_io_s *, int)) bh_file_open_base, @@ -88,23 +91,33 @@ int bh_file_open_base(bh_file_t *file, return BH_INVALID; /* Determine open mode */ - switch (mode & BH_IO_MASK) + switch (mode & (BH_IO_CREATE | BH_IO_OPEN)) { - case BH_IO_OPEN: break; - case BH_IO_CREATE: open_flags |= O_CREAT | O_EXCL; break; - case BH_IO_APPEND: open_flags |= O_CREAT | O_APPEND; break; - case BH_IO_TRUNCATE: open_flags |= O_CREAT | O_TRUNC; break; - default: - return BH_NO_IMPL; + case 0: open_flags |= O_CREAT; break; + case BH_IO_CREATE: open_flags |= O_CREAT | O_EXCL; break; + case BH_IO_OPEN: /* Do nothing */ break; } + if (mode & BH_IO_APPEND) + open_flags |= O_APPEND; + + if (mode & BH_IO_TRUNCATE) + open_flags |= O_TRUNC; + /* Open file */ file->handle = open(file->path, open_flags, open_mode); /* Check for errors */ if (file->handle == -1) - return BH_ERROR; + { + switch (errno) + { + case EEXIST: return BH_FOUND; + case ENOENT: return BH_NOT_FOUND; + default: return BH_ERROR; + } + } return BH_OK; } @@ -210,7 +223,7 @@ int bh_file_seek_base(bh_file_t *file, return BH_ERROR; /* Seek to desired location */ - if (lseek(file->handle, pos, dir) == -1); + if (lseek(file->handle, pos, dir) == -1) return BH_ERROR; return BH_OK; |