diff options
| -rw-r--r-- | config.c | 19 | ||||
| -rwxr-xr-x | t/t1303-wacky-config.sh | 64 |
2 files changed, 77 insertions, 6 deletions
@@ -1160,15 +1160,14 @@ int git_config(config_fn_t fn, void *data) * Find all the stuff for git_config_set() below. */ -#define MAX_MATCHES 512 - static struct { int baselen; char *key; int do_not_match; regex_t *value_regex; int multi_replace; - size_t offset[MAX_MATCHES]; + size_t *offset; + unsigned int offset_alloc; enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; int seen; } store; @@ -1191,11 +1190,11 @@ static int store_aux(const char *key, const char *value, void *cb) if (matches(key, value)) { if (store.seen == 1 && store.multi_replace == 0) { warning("%s has multiple values", key); - } else if (store.seen >= MAX_MATCHES) { - error("too many matches for %s", key); - return 1; } + ALLOC_GROW(store.offset, store.seen + 1, + store.offset_alloc); + store.offset[store.seen] = cf->do_ftell(cf); store.seen++; } @@ -1223,11 +1222,15 @@ static int store_aux(const char *key, const char *value, void *cb) * Do not increment matches: this is no match, but we * just made sure we are in the desired section. */ + ALLOC_GROW(store.offset, store.seen + 1, + store.offset_alloc); store.offset[store.seen] = cf->do_ftell(cf); /* fallthru */ case SECTION_END_SEEN: case START: if (matches(key, value)) { + ALLOC_GROW(store.offset, store.seen + 1, + store.offset_alloc); store.offset[store.seen] = cf->do_ftell(cf); store.state = KEY_SEEN; store.seen++; @@ -1235,6 +1238,9 @@ static int store_aux(const char *key, const char *value, void *cb) if (strrchr(key, '.') - key == store.baselen && !strncmp(key, store.key, store.baselen)) { store.state = SECTION_SEEN; + ALLOC_GROW(store.offset, + store.seen + 1, + store.offset_alloc); store.offset[store.seen] = cf->do_ftell(cf); } } @@ -1533,6 +1539,7 @@ int git_config_set_multivar_in_file(const char *config_filename, } } + ALLOC_GROW(store.offset, 1, store.offset_alloc); store.offset[0] = 0; store.state = START; store.seen = 0; diff --git a/t/t1303-wacky-config.sh b/t/t1303-wacky-config.sh index 46103a1..3a2c819 100755 --- a/t/t1303-wacky-config.sh +++ b/t/t1303-wacky-config.sh @@ -3,17 +3,28 @@ test_description='Test wacky input to git config' . ./test-lib.sh +# Leaving off the newline is intentional! setup() { (printf "[section]\n" && printf " key = foo") >.git/config } +# 'check section.key value' verifies that the entry for section.key is +# 'value' check() { echo "$2" >expected git config --get "$1" >actual 2>&1 test_cmp actual expected } +# 'check section.key regex value' verifies that the entry for +# section.key *that matches 'regex'* is 'value' +check_regex() { + echo "$3" >expected + git config --get "$1" "$2" >actual 2>&1 + test_cmp actual expected +} + test_expect_success 'modify same key' ' setup && git config section.key bar && @@ -47,4 +58,57 @@ test_expect_success 'do not crash on special long config line' ' check section.key "$LONG_VALUE" ' +setup_many() { + setup && + # This time we want the newline so that we can tack on more + # entries. + echo >>.git/config && + # Semi-efficient way of concatenating 5^5 = 3125 lines. Note + # that because 'setup' already put one line, this means 3126 + # entries for section.key in the config file. + cat >5to1 <<-\EOF && + key = foo + key = foo + key = foo + key = foo + key = foo + EOF + cat 5to1 5to1 5to1 5to1 5to1 >5to2 && # 25 + cat 5to2 5to2 5to2 5to2 5to2 >5to3 && # 125 + cat 5to3 5to3 5to3 5to3 5to3 >5to4 && # 635 + cat 5to4 5to4 5to4 5to4 5to4 >>.git/config # 3125 +} + +test_expect_success 'get many entries' ' + setup_many && + git config --get-all section.key >actual && + test_line_count = 3126 actual +' + +test_expect_success 'get many entries by regex' ' + setup_many && + git config --get-regexp "sec.*ke." >actual && + test_line_count = 3126 actual +' + +test_expect_success 'add and replace one of many entries' ' + setup_many && + git config --add section.key bar && + check_regex section.key "b.*r" bar && + git config section.key beer "b.*r" && + check_regex section.key "b.*r" beer +' + +test_expect_success 'replace many entries' ' + setup_many && + git config --replace-all section.key bar && + check section.key bar +' + +test_expect_success 'unset many entries' ' + setup_many && + git config --unset-all section.key && + test_must_fail git config section.key +' + test_done |