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config: plug various memory leaks

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Now that memory ownership rules around `git_config_string()` and
`git_config_pathname()` are clearer, it also got easier to spot that
the returned memory needs to be free'd. Plug a subset of those cases and
mark now-passing tests as leak free.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt 2024-05-27 13:46:44 +02:00 committed by Junio C Hamano
parent 1b261c20ed
commit 49eb597ce0
13 changed files with 40 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
alias.c
View File

@ -21,9 +21,11 @@ static int config_alias_cb(const char *key, const char *value,
return 0;
if (data->alias) {
if (!strcasecmp(p, data->alias))
if (!strcasecmp(p, data->alias)) {
FREE_AND_NULL(data->v);
return git_config_string(&data->v,
key, value);
}
} else if (data->list) {
string_list_append(data->list, p);
}

36
config.c
View File

@ -1414,8 +1414,10 @@ static int git_default_core_config(const char *var, const char *value,
return 0;
}
if (!strcmp(var, "core.attributesfile"))
if (!strcmp(var, "core.attributesfile")) {
FREE_AND_NULL(git_attributes_file);
return git_config_pathname(&git_attributes_file, var, value);
}
if (!strcmp(var, "core.hookspath")) {
if (ctx->kvi && ctx->kvi->scope == CONFIG_SCOPE_LOCAL &&
@ -1428,6 +1430,7 @@ static int git_default_core_config(const char *var, const char *value,
"again with "
"`GIT_CLONE_PROTECTION_ACTIVE=false`"),
value);
FREE_AND_NULL(git_hooks_path);
return git_config_pathname(&git_hooks_path, var, value);
}
@ -1576,8 +1579,10 @@ static int git_default_core_config(const char *var, const char *value,
return 0;
}
if (!strcmp(var, "core.editor"))
if (!strcmp(var, "core.editor")) {
FREE_AND_NULL(editor_program);
return git_config_string(&editor_program, var, value);
}
if (!strcmp(var, "core.commentchar") ||
!strcmp(var, "core.commentstring")) {
@ -1595,11 +1600,13 @@ static int git_default_core_config(const char *var, const char *value,
return 0;
}
if (!strcmp(var, "core.askpass"))
if (!strcmp(var, "core.askpass")) {
FREE_AND_NULL(askpass_program);
return git_config_string(&askpass_program, var, value);
}
if (!strcmp(var, "core.excludesfile")) {
free(excludes_file);
FREE_AND_NULL(excludes_file);
return git_config_pathname(&excludes_file, var, value);
}
@ -1702,11 +1709,15 @@ static int git_default_sparse_config(const char *var, const char *value)
static int git_default_i18n_config(const char *var, const char *value)
{
if (!strcmp(var, "i18n.commitencoding"))
if (!strcmp(var, "i18n.commitencoding")) {
FREE_AND_NULL(git_commit_encoding);
return git_config_string(&git_commit_encoding, var, value);
}
if (!strcmp(var, "i18n.logoutputencoding"))
if (!strcmp(var, "i18n.logoutputencoding")) {
FREE_AND_NULL(git_log_output_encoding);
return git_config_string(&git_log_output_encoding, var, value);
}
/* Add other config variables here and to Documentation/config.txt. */
return 0;
@ -1779,10 +1790,15 @@ static int git_default_push_config(const char *var, const char *value)
static int git_default_mailmap_config(const char *var, const char *value)
{
if (!strcmp(var, "mailmap.file"))
if (!strcmp(var, "mailmap.file")) {
FREE_AND_NULL(git_mailmap_file);
return git_config_pathname(&git_mailmap_file, var, value);
if (!strcmp(var, "mailmap.blob"))
}
if (!strcmp(var, "mailmap.blob")) {
FREE_AND_NULL(git_mailmap_blob);
return git_config_string(&git_mailmap_blob, var, value);
}
/* Add other config variables here and to Documentation/config.txt. */
return 0;
@ -1790,8 +1806,10 @@ static int git_default_mailmap_config(const char *var, const char *value)
static int git_default_attr_config(const char *var, const char *value)
{
if (!strcmp(var, "attr.tree"))
if (!strcmp(var, "attr.tree")) {
FREE_AND_NULL(git_attr_tree);
return git_config_string(&git_attr_tree, var, value);
}
/*
* Add other attribute related config variables here and to

1
t/t1306-xdg-files.sh
View File

@ -7,6 +7,7 @@
test_description='Compatibility with $XDG_CONFIG_HOME/git/ files'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'read config: xdg file exists and ~/.gitconfig doesn'\''t' '

1
t/t1350-config-hooks-path.sh
View File

@ -2,6 +2,7 @@
test_description='Test the core.hooksPath configuration variable'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'set up a pre-commit hook in core.hooksPath' '

1
t/t3415-rebase-autosquash.sh
View File

@ -5,6 +5,7 @@ test_description='auto squash'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-rebase.sh

1
t/t4041-diff-submodule-option.sh
View File

@ -12,6 +12,7 @@ This test tries to verify the sanity of the --submodule option of git diff.
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
# Tested non-UTF-8 encoding

1
t/t4060-diff-submodule-option-diff-format.sh
View File

@ -10,6 +10,7 @@ test_description='Support for diff format verbose submodule difference in git di
This test tries to verify the sanity of --submodule=diff option of git diff.
'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
# Tested non-UTF-8 encoding

2
t/t4210-log-i18n.sh
View File

@ -1,6 +1,8 @@
#!/bin/sh
test_description='test log with i18n features'
TEST_PASSES_SANITIZE_LEAK=true
. ./lib-gettext.sh
# two forms of é

1
t/t6006-rev-list-format.sh
View File

@ -8,6 +8,7 @@ test_description='git rev-list --pretty=format test'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-terminal.sh

1
t/t7005-editor.sh
View File

@ -2,6 +2,7 @@
test_description='GIT_EDITOR, core.editor, and stuff'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
unset EDITOR VISUAL GIT_EDITOR

1
t/t7102-reset.sh
View File

@ -10,6 +10,7 @@ Documented tests for git reset'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
commit_msg () {

1
t/t9129-git-svn-i18n-commitencoding.sh
View File

@ -4,7 +4,6 @@
test_description='git svn honors i18n.commitEncoding in config'
TEST_FAILS_SANITIZE_LEAK=true
. ./lib-git-svn.sh
compare_git_head_with () {

1
t/t9139-git-svn-non-utf8-commitencoding.sh
View File

@ -4,7 +4,6 @@
test_description='git svn refuses to dcommit non-UTF8 messages'
TEST_FAILS_SANITIZE_LEAK=true
. ./lib-git-svn.sh
# ISO-2022-JP can pass for valid UTF-8, so skipping that in this test