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xbps_dictionary_from_archive_entry: simplify and sync zlib code with proplib.

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This commit is contained in:
Juan RP 2012-06-20 09:26:00 +02:00
parent 11ca0d481b
commit 54bc92bd97
2 changed files with 16 additions and 17 deletions
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2
include/xbps_api.h
View File

@ -56,7 +56,7 @@
*/
#define XBPS_PKGINDEX_VERSION "1.5"
#define XBPS_API_VERSION "20120618-1"
#define XBPS_API_VERSION "20120620"
#define XBPS_VERSION "0.16"
/**

31
lib/plist_archive_entry.c
View File

@ -1,5 +1,5 @@
/*-
* Copyright (c) 2008-2011 Juan Romero Pardines.
* Copyright (c) 2008-2012 Juan Romero Pardines.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -36,13 +36,13 @@
* Takes a compressed data buffer, decompresses it and returns the
* new buffer uncompressed if all was right.
*/
#define _READ_CHUNK 512
#define _READ_CHUNK 8192
static char *
_xbps_uncompress_plist_data(char *xml, size_t len)
{
z_stream strm;
unsigned char out[_READ_CHUNK];
unsigned char *out;
char *uncomp_xml = NULL;
size_t have;
ssize_t totalsize = 0;
@ -65,12 +65,18 @@ _xbps_uncompress_plist_data(char *xml, size_t len)
strm.next_in = (unsigned char *)xml;
/* Output buffer (uncompressed) */
uncomp_xml = malloc(_READ_CHUNK);
if (uncomp_xml == NULL) {
if ((uncomp_xml = malloc(_READ_CHUNK)) == NULL) {
(void)inflateEnd(&strm);
return NULL;
}
/* temp output buffer for inflate */
if ((out = malloc(_READ_CHUNK)) == NULL) {
(void)inflateEnd(&strm);
free(uncomp_xml);
return NULL;
}
/* Inflate the input buffer and copy into 'uncomp_xml' */
do {
strm.avail_out = _READ_CHUNK;
@ -84,6 +90,7 @@ _xbps_uncompress_plist_data(char *xml, size_t len)
*/
(void)inflateEnd(&strm);
free(uncomp_xml);
free(out);
errno = EAGAIN;
return NULL;
case Z_STREAM_ERROR:
@ -93,6 +100,7 @@ _xbps_uncompress_plist_data(char *xml, size_t len)
case Z_VERSION_ERROR:
(void)inflateEnd(&strm);
free(uncomp_xml);
free(out);
return NULL;
}
have = _READ_CHUNK - strm.avail_out;
@ -103,6 +111,7 @@ _xbps_uncompress_plist_data(char *xml, size_t len)
/* we are done */
(void)inflateEnd(&strm);
free(out);
return uncomp_xml;
}
@ -132,30 +141,20 @@ xbps_dictionary_from_archive_entry(struct archive *ar,
}
uncomp_buf = _xbps_uncompress_plist_data(buf, buflen);
free(buf);
if (uncomp_buf == NULL) {
if (errno && errno != EAGAIN) {
/* Error while decompressing */
free(buf);
return NULL;
} else if (errno == EAGAIN) {
/* Not a compressed data, try again */
errno = 0;
d = prop_dictionary_internalize(buf);
free(buf);
}
} else {
/* We have the uncompressed data */
d = prop_dictionary_internalize(uncomp_buf);
free(uncomp_buf);
free(buf);
}
if (d == NULL)
return NULL;
else if (prop_object_type(d) != PROP_TYPE_DICTIONARY) {
prop_object_release(d);
return NULL;
}
return d;
}