diff options
| author | Alan Modra <amodra@gmail.com> | 2012-10-20 08:27:13 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2012-10-20 08:27:13 +0000 |
| commit | 38b774d28cc047b9b1838ed533e86a149b6f0a9b (patch) | |
| tree | ecb6fbd6b17c9438260293114a71d56bcc425e8b | |
| parent | 4a43d85f8cf38b686666d33e90f9641a979a92a9 (diff) | |
| download | gdb-38b774d28cc047b9b1838ed533e86a149b6f0a9b.zip gdb-38b774d28cc047b9b1838ed533e86a149b6f0a9b.tar.gz gdb-38b774d28cc047b9b1838ed533e86a149b6f0a9b.tar.bz2 | |
* compress.c: Reinstate 2012-10-19 change.
(bfd_get_full_section_contents): Don't free unless we alloc.
Use proper decompress size. Delete some vars, rename others.
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/compress.c | 37 |
2 files changed, 23 insertions, 20 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 76d91c2..95d6c69 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2012-10-20 Alan Modra <amodra@gmail.com> + + * compress.c: Reinstate 2012-10-19 change. + (bfd_get_full_section_contents): Don't free unless we alloc. + Use proper decompress size. Delete some vars, rename others. + 2012-10-19 Tom Tromey <tromey@redhat.com> * compress.c: Revert previous patch. diff --git a/bfd/compress.c b/bfd/compress.c index 17b5928..294bfd3 100644 --- a/bfd/compress.c +++ b/bfd/compress.c @@ -161,11 +161,9 @@ bfd_get_full_section_contents (bfd *abfd, sec_ptr sec, bfd_byte **ptr) bfd_byte *p = *ptr; #ifdef HAVE_ZLIB_H bfd_boolean ret; - bfd_size_type compressed_size; - bfd_size_type uncompressed_size; - bfd_size_type rawsize; + bfd_size_type save_size; + bfd_size_type save_rawsize; bfd_byte *compressed_buffer; - bfd_byte *uncompressed_buffer; #endif if (abfd->direction != write_direction && sec->rawsize != 0) @@ -199,45 +197,44 @@ bfd_get_full_section_contents (bfd *abfd, sec_ptr sec, bfd_byte **ptr) return FALSE; #else /* Read in the full compressed section contents. */ - uncompressed_size = sec->size; - compressed_size = sec->compressed_size; - compressed_buffer = (bfd_byte *) bfd_malloc (compressed_size); + compressed_buffer = (bfd_byte *) bfd_malloc (sec->compressed_size); if (compressed_buffer == NULL) return FALSE; - rawsize = sec->rawsize; + save_rawsize = sec->rawsize; + save_size = sec->size; /* Clear rawsize, set size to compressed size and set compress_status to COMPRESS_SECTION_NONE. If the compressed size is bigger than the uncompressed size, bfd_get_section_contents will fail. */ sec->rawsize = 0; - sec->size = compressed_size; + sec->size = sec->compressed_size; sec->compress_status = COMPRESS_SECTION_NONE; ret = bfd_get_section_contents (abfd, sec, compressed_buffer, - 0, compressed_size); + 0, sec->compressed_size); /* Restore rawsize and size. */ - sec->rawsize = rawsize; - sec->size = uncompressed_size; + sec->rawsize = save_rawsize; + sec->size = save_size; sec->compress_status = DECOMPRESS_SECTION_SIZED; if (!ret) goto fail_compressed; - uncompressed_buffer = (bfd_byte *) bfd_malloc (uncompressed_size); - if (uncompressed_buffer == NULL) + if (p == NULL) + p = (bfd_byte *) bfd_malloc (sz); + if (p == NULL) goto fail_compressed; - if (!decompress_contents (compressed_buffer, compressed_size, - uncompressed_buffer, uncompressed_size)) + if (!decompress_contents (compressed_buffer, sec->compressed_size, p, sz)) { bfd_set_error (bfd_error_bad_value); - free (uncompressed_buffer); + if (p != *ptr) + free (p); fail_compressed: free (compressed_buffer); return FALSE; } free (compressed_buffer); - sec->contents = uncompressed_buffer; - sec->compress_status = COMPRESS_SECTION_DONE; - /* Fall thru */ + *ptr = p; + return TRUE; #endif case COMPRESS_SECTION_DONE: |