diff options
Diffstat (limited to 'ext/zip/lib/zip_source_seek.c')
| -rw-r--r-- | ext/zip/lib/zip_source_seek.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/ext/zip/lib/zip_source_seek.c b/ext/zip/lib/zip_source_seek.c index c3f47036ad..92299b8ab2 100644 --- a/ext/zip/lib/zip_source_seek.c +++ b/ext/zip/lib/zip_source_seek.c @@ -17,7 +17,7 @@ 3. The names of the authors may not be used to endorse or promote products derived from this software without specific prior written permission. - + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -39,7 +39,7 @@ ZIP_EXTERN int zip_source_seek(zip_source_t *src, zip_int64_t offset, int whence) { zip_source_args_seek_t args; - + if (src->source_closed) { return -1; } @@ -50,7 +50,7 @@ zip_source_seek(zip_source_t *src, zip_int64_t offset, int whence) args.offset = offset; args.whence = whence; - + return (_zip_source_call(src, &args, sizeof(args), ZIP_SOURCE_SEEK) < 0 ? -1 : 0); } @@ -60,33 +60,33 @@ zip_source_seek_compute_offset(zip_uint64_t offset, zip_uint64_t length, void *d { zip_int64_t new_offset; zip_source_args_seek_t *args = ZIP_SOURCE_GET_ARGS(zip_source_args_seek_t, data, data_length, error); - + if (args == NULL) { return -1; } - + switch (args->whence) { case SEEK_CUR: new_offset = (zip_int64_t)offset + args->offset; break; - + case SEEK_END: new_offset = (zip_int64_t)length + args->offset; break; - + case SEEK_SET: new_offset = args->offset; break; - + default: zip_error_set(error, ZIP_ER_INVAL, 0); return -1; } - + if (new_offset < 0 || (zip_uint64_t)new_offset > length) { zip_error_set(error, ZIP_ER_INVAL, 0); return -1; } - + return new_offset; } |