From 7b05eef61f08f0f34266ac3af4ae22fc72dbc269 Mon Sep 17 00:00:00 2001 From: Timo Teras Date: Wed, 29 Jul 2009 19:16:04 +0300 Subject: tar: make checksumming of inner files conditional and force checksumming only when unpacking archive. otherwise it's extra computation for nothing. --- src/archive.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'src/archive.c') diff --git a/src/archive.c b/src/archive.c index 68ec287..dca99fd 100644 --- a/src/archive.c +++ b/src/archive.c @@ -114,7 +114,7 @@ static void tar_entry_close(void *stream) } int apk_tar_parse(struct apk_istream *is, apk_archive_entry_parser parser, - void *ctx) + void *ctx, int soft_checksums) { struct apk_file_info entry; struct apk_tar_entry_istream teis = { @@ -152,6 +152,7 @@ int apk_tar_parse(struct apk_istream *is, apk_archive_entry_parser parser, .device = makedev(GET_OCTAL(buf.devmajor), GET_OCTAL(buf.devminor)), }; + teis.csum = NULL; switch (buf.typeflag) { case 'L': @@ -170,8 +171,7 @@ int apk_tar_parse(struct apk_istream *is, apk_archive_entry_parser parser, di->size <= sizeof(entry.csum.data)) { entry.csum.type = di->size; memcpy(entry.csum.data, di->digest, di->size); - teis.csum = NULL; - } else { + } else if (soft_checksums) { teis.csum = &entry.csum; } break; @@ -202,7 +202,10 @@ int apk_tar_parse(struct apk_istream *is, apk_archive_entry_parser parser, entry.name = strdup(buf.name); /* callback parser function */ - EVP_DigestInit_ex(&teis.mdctx, apk_default_checksum(), NULL); + if (teis.csum != NULL) + EVP_DigestInit_ex(&teis.mdctx, + apk_default_checksum(), NULL); + r = parser(ctx, &entry, &teis.is); free(entry.name); if (r != 0) -- cgit v1.2.3