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-rw-r--r--lib/common/io_stdin.c79
1 files changed, 0 insertions, 79 deletions
diff --git a/lib/common/io_stdin.c b/lib/common/io_stdin.c
index ea73771..dbdea5f 100644
--- a/lib/common/io_stdin.c
+++ b/lib/common/io_stdin.c
@@ -37,8 +37,6 @@ static int stdinout_truncate(sqfs_file_t *base, sqfs_u64 size)
return SQFS_ERROR_IO;
}
-/*****************************************************************************/
-
static int stdin_read_at(sqfs_file_t *base, sqfs_u64 offset,
void *buffer, size_t size)
{
@@ -148,66 +146,6 @@ static int stdin_write_at(sqfs_file_t *base, sqfs_u64 offset,
return SQFS_ERROR_IO;
}
-/*****************************************************************************/
-
-static int stdout_read_at(sqfs_file_t *base, sqfs_u64 offset,
- void *buffer, size_t size)
-{
- (void)base; (void)offset; (void)buffer; (void)size;
- return SQFS_ERROR_IO;
-}
-
-static int stdout_write_at(sqfs_file_t *base, sqfs_u64 offset,
- const void *buffer, size_t size)
-{
- sqfs_file_stdinout_t *file = (sqfs_file_stdinout_t *)base;
- size_t temp_size = 0;
- sqfs_u8 *temp = NULL;
- sqfs_u64 diff;
- ssize_t ret;
-
- if (offset < file->size)
- return SQFS_ERROR_IO;
-
- if (offset > file->size) {
- temp_size = 1024;
- temp = alloca(temp_size);
- memset(temp, 0, temp_size);
- }
-
- while (size > 0) {
- if (offset > file->size) {
- diff = offset - file->size;
- diff = diff > (sqfs_u64)temp_size ? temp_size : diff;
-
- ret = write(STDOUT_FILENO, temp, diff);
- } else {
- ret = write(STDOUT_FILENO, buffer, size);
- }
-
- if (ret < 0) {
- if (errno == EINTR)
- continue;
- return SQFS_ERROR_IO;
- }
-
- if (ret == 0)
- return SQFS_ERROR_OUT_OF_BOUNDS;
-
- if (offset <= file->size) {
- buffer = (char *)buffer + ret;
- size -= ret;
- offset += ret;
- }
-
- file->size += ret;
- }
-
- return 0;
-}
-
-/*****************************************************************************/
-
sqfs_file_t *sqfs_get_stdin_file(const sparse_map_t *map, sqfs_u64 size)
{
sqfs_file_stdinout_t *file = calloc(1, sizeof(*file));
@@ -231,20 +169,3 @@ sqfs_file_t *sqfs_get_stdin_file(const sparse_map_t *map, sqfs_u64 size)
}
return base;
}
-
-sqfs_file_t *sqfs_get_stdout_file(void)
-{
- sqfs_file_stdinout_t *file = calloc(1, sizeof(*file));
- sqfs_file_t *base = (sqfs_file_t *)file;
-
- if (file == NULL)
- return NULL;
-
- base->destroy = stdinout_destroy;
- base->write_at = stdout_write_at;
- base->get_size = stdinout_get_size;
- base->truncate = stdinout_truncate;
- base->read_at = stdout_read_at;
-
- return base;
-}