a317a553b8
sorting might be a list allocated in ref_default_sorting() (in this case
it's a fixed single item list, which has nevertheless been xcalloc'd),
or it might be a list allocated in parse_opt_ref_sorting(). In either
case we could free these lists - but instead we UNLEAK as we're at the
end of cmd_for_each_ref. (There's no existing implementation of
clear_ref_sorting(), and writing a loop to free the list seems more
trouble than it's worth.)
filter.with_commit/no_commit are populated via
OPT_CONTAINS/OPT_NO_CONTAINS, both of which create new entries via
parse_opt_commits(), and also need to be free'd or UNLEAK'd. Because
free_commit_list() already exists, we choose to use that over an UNLEAK.
LSAN output from t0041:
Direct leak of 16 byte(s) in 1 object(s) allocated from:
#0 0x49a9d2 in calloc ../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:154:3
#1 0x9ac252 in xcalloc wrapper.c:140:8
#2 0x8a4a55 in ref_default_sorting ref-filter.c:2486:32
#3 0x56c6b1 in cmd_for_each_ref builtin/for-each-ref.c:72:13
#4 0x4cd91d in run_builtin git.c:467:11
#5 0x4cb5f3 in handle_builtin git.c:719:3
#6 0x4ccf47 in run_argv git.c:808:4
#7 0x4caf49 in cmd_main git.c:939:19
#8 0x69dabe in main common-main.c:52:11
#9 0x7f2bdc570349 in __libc_start_main (/lib64/libc.so.6+0x24349)
Direct leak of 16 byte(s) in 1 object(s) allocated from:
#0 0x49a85d in malloc ../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:145:3
#1 0x9abf54 in do_xmalloc wrapper.c:41:8
#2 0x9abf2a in xmalloc wrapper.c:62:9
#3 0x717486 in commit_list_insert commit.c:540:33
#4 0x8644cf in parse_opt_commits parse-options-cb.c:98:2
#5 0x869bb5 in get_value parse-options.c:181:11
#6 0x8677dc in parse_long_opt parse-options.c:378:10
#7 0x8659bd in parse_options_step parse-options.c:817:11
#8 0x867fcd in parse_options parse-options.c:870:10
#9 0x56c62b in cmd_for_each_ref builtin/for-each-ref.c:59:2
#10 0x4cd91d in run_builtin git.c:467:11
#11 0x4cb5f3 in handle_builtin git.c:719:3
#12 0x4ccf47 in run_argv git.c:808:4
#13 0x4caf49 in cmd_main git.c:939:19
#14 0x69dabe in main common-main.c:52:11
#15 0x7f2bdc570349 in __libc_start_main (/lib64/libc.so.6+0x24349)
Signed-off-by: Andrzej Hunt <ajrhunt@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
91 lines
3.1 KiB
C
91 lines
3.1 KiB
C
#include "builtin.h"
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#include "cache.h"
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#include "config.h"
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#include "refs.h"
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#include "object.h"
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#include "parse-options.h"
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#include "ref-filter.h"
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static char const * const for_each_ref_usage[] = {
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N_("git for-each-ref [<options>] [<pattern>]"),
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N_("git for-each-ref [--points-at <object>]"),
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N_("git for-each-ref [--merged [<commit>]] [--no-merged [<commit>]]"),
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N_("git for-each-ref [--contains [<commit>]] [--no-contains [<commit>]]"),
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NULL
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};
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int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
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{
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int i;
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struct ref_sorting *sorting = NULL, **sorting_tail = &sorting;
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int maxcount = 0, icase = 0;
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struct ref_array array;
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struct ref_filter filter;
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struct ref_format format = REF_FORMAT_INIT;
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struct option opts[] = {
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OPT_BIT('s', "shell", &format.quote_style,
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N_("quote placeholders suitably for shells"), QUOTE_SHELL),
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OPT_BIT('p', "perl", &format.quote_style,
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N_("quote placeholders suitably for perl"), QUOTE_PERL),
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OPT_BIT(0 , "python", &format.quote_style,
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N_("quote placeholders suitably for python"), QUOTE_PYTHON),
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OPT_BIT(0 , "tcl", &format.quote_style,
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N_("quote placeholders suitably for Tcl"), QUOTE_TCL),
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OPT_GROUP(""),
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OPT_INTEGER( 0 , "count", &maxcount, N_("show only <n> matched refs")),
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OPT_STRING( 0 , "format", &format.format, N_("format"), N_("format to use for the output")),
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OPT__COLOR(&format.use_color, N_("respect format colors")),
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OPT_REF_SORT(sorting_tail),
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OPT_CALLBACK(0, "points-at", &filter.points_at,
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N_("object"), N_("print only refs which points at the given object"),
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parse_opt_object_name),
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OPT_MERGED(&filter, N_("print only refs that are merged")),
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OPT_NO_MERGED(&filter, N_("print only refs that are not merged")),
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OPT_CONTAINS(&filter.with_commit, N_("print only refs which contain the commit")),
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OPT_NO_CONTAINS(&filter.no_commit, N_("print only refs which don't contain the commit")),
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OPT_BOOL(0, "ignore-case", &icase, N_("sorting and filtering are case insensitive")),
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OPT_END(),
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};
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memset(&array, 0, sizeof(array));
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memset(&filter, 0, sizeof(filter));
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format.format = "%(objectname) %(objecttype)\t%(refname)";
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git_config(git_default_config, NULL);
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parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
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if (maxcount < 0) {
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error("invalid --count argument: `%d'", maxcount);
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usage_with_options(for_each_ref_usage, opts);
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}
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if (HAS_MULTI_BITS(format.quote_style)) {
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error("more than one quoting style?");
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usage_with_options(for_each_ref_usage, opts);
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}
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if (verify_ref_format(&format))
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usage_with_options(for_each_ref_usage, opts);
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if (!sorting)
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sorting = ref_default_sorting();
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ref_sorting_set_sort_flags_all(sorting, REF_SORTING_ICASE, icase);
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filter.ignore_case = icase;
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filter.name_patterns = argv;
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filter.match_as_path = 1;
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filter_refs(&array, &filter, FILTER_REFS_ALL | FILTER_REFS_INCLUDE_BROKEN);
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ref_array_sort(sorting, &array);
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if (!maxcount || array.nr < maxcount)
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maxcount = array.nr;
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for (i = 0; i < maxcount; i++)
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show_ref_array_item(array.items[i], &format);
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ref_array_clear(&array);
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free_commit_list(filter.with_commit);
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free_commit_list(filter.no_commit);
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UNLEAK(sorting);
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return 0;
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}
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