bundle: remove "ref_list" in favor of string-list.c API
Move away from the "struct ref_list" in bundle.c in favor of the almost identical string-list.c API. That API fits this use-case perfectly, but did not exist in its current form when this code was added in2e0afafebd
(Add git-bundle: move objects and references by archive, 2007-02-22), with hindsight we could have used the path-list API, which later got renamed to string-list. See8fd2cb4069
(Extract helper bits from c-merge-recursive work, 2006-07-25) We need to change "name" to "string" and "oid" to "util" to make this conversion, but other than that the APIs are pretty much identical for what bundle.c made use of. Let's also replace the memset(..,0,...) pattern with a more idiomatic "INIT" macro, and finally add a *_release() function so to free the allocated memory. Before this the add_to_ref_list() would leak memory, now e.g. "bundle list-heads" reports no memory leaks at all under valgrind. In the bundle_header_init() function we're using a clever trick to memcpy() what we'd get from the corresponding BUNDLE_HEADER_INIT. There is a concurrent series to make use of that pattern more generally, see [1]. 1. https://lore.kernel.org/git/cover-0.5-00000000000-20210701T104855Z-avarab@gmail.com/ Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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committed by
Junio C Hamano

parent
15e7c7dca6
commit
10b635b773
@ -100,7 +100,7 @@ static int cmd_bundle_create(int argc, const char **argv, const char *prefix) {
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}
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static int cmd_bundle_verify(int argc, const char **argv, const char *prefix) {
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struct bundle_header header;
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struct bundle_header header = BUNDLE_HEADER_INIT;
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int bundle_fd = -1;
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int quiet = 0;
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int ret;
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@ -115,7 +115,6 @@ static int cmd_bundle_verify(int argc, const char **argv, const char *prefix) {
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builtin_bundle_verify_usage, options, &bundle_file);
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/* bundle internals use argv[1] as further parameters */
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memset(&header, 0, sizeof(header));
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if ((bundle_fd = read_bundle_header(bundle_file, &header)) < 0) {
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ret = 1;
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goto cleanup;
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@ -130,11 +129,12 @@ static int cmd_bundle_verify(int argc, const char **argv, const char *prefix) {
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ret = 0;
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cleanup:
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free(bundle_file);
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bundle_header_release(&header);
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return ret;
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}
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static int cmd_bundle_list_heads(int argc, const char **argv, const char *prefix) {
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struct bundle_header header;
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struct bundle_header header = BUNDLE_HEADER_INIT;
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int bundle_fd = -1;
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int ret;
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struct option options[] = {
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@ -146,7 +146,6 @@ static int cmd_bundle_list_heads(int argc, const char **argv, const char *prefix
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builtin_bundle_list_heads_usage, options, &bundle_file);
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/* bundle internals use argv[1] as further parameters */
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memset(&header, 0, sizeof(header));
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if ((bundle_fd = read_bundle_header(bundle_file, &header)) < 0) {
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ret = 1;
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goto cleanup;
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@ -155,11 +154,12 @@ static int cmd_bundle_list_heads(int argc, const char **argv, const char *prefix
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ret = !!list_bundle_refs(&header, argc, argv);
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cleanup:
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free(bundle_file);
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bundle_header_release(&header);
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return ret;
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}
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static int cmd_bundle_unbundle(int argc, const char **argv, const char *prefix) {
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struct bundle_header header;
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struct bundle_header header = BUNDLE_HEADER_INIT;
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int bundle_fd = -1;
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int ret;
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struct option options[] = {
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@ -171,7 +171,6 @@ static int cmd_bundle_unbundle(int argc, const char **argv, const char *prefix)
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builtin_bundle_unbundle_usage, options, &bundle_file);
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/* bundle internals use argv[1] as further parameters */
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memset(&header, 0, sizeof(header));
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if ((bundle_fd = read_bundle_header(bundle_file, &header)) < 0) {
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ret = 1;
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goto cleanup;
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@ -180,6 +179,7 @@ static int cmd_bundle_unbundle(int argc, const char **argv, const char *prefix)
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die(_("Need a repository to unbundle."));
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ret = !!unbundle(the_repository, &header, bundle_fd, 0) ||
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list_bundle_refs(&header, argc, argv);
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bundle_header_release(&header);
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cleanup:
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free(bundle_file);
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return ret;
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