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Diffstat (limited to 'config.c')
-rw-r--r--config.c282
1 files changed, 167 insertions, 115 deletions
diff --git a/config.c b/config.c
index 0abcada938..40f9c6d103 100644
--- a/config.c
+++ b/config.c
@@ -12,22 +12,22 @@
#define MAXNAME (256)
-static FILE *config_file;
-static const char *config_file_name;
-static int config_linenr;
-static int config_file_eof;
+typedef struct config_file {
+ struct config_file *prev;
+ FILE *f;
+ const char *name;
+ int linenr;
+ int eof;
+ struct strbuf value;
+ char var[MAXNAME];
+} config_file;
+
+static config_file *cf;
+
static int zlib_compression_seen;
const char *config_exclusive_filename = NULL;
-struct config_item {
- struct config_item *next;
- char *name;
- char *value;
-};
-static struct config_item *config_parameters;
-static struct config_item **config_parameters_tail = &config_parameters;
-
static void lowercase(char *p)
{
for (; *p; p++)
@@ -47,34 +47,31 @@ void git_config_push_parameter(const char *text)
strbuf_release(&env);
}
-int git_config_parse_parameter(const char *text)
+int git_config_parse_parameter(const char *text,
+ config_fn_t fn, void *data)
{
- struct config_item *ct;
- struct strbuf tmp = STRBUF_INIT;
struct strbuf **pair;
- strbuf_addstr(&tmp, text);
- pair = strbuf_split(&tmp, '=');
+ pair = strbuf_split_str(text, '=', 2);
+ if (!pair[0])
+ return error("bogus config parameter: %s", text);
if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=')
strbuf_setlen(pair[0], pair[0]->len - 1);
strbuf_trim(pair[0]);
if (!pair[0]->len) {
strbuf_list_free(pair);
- return -1;
+ return error("bogus config parameter: %s", text);
}
- ct = xcalloc(1, sizeof(struct config_item));
- ct->name = strbuf_detach(pair[0], NULL);
- if (pair[1]) {
- strbuf_trim(pair[1]);
- ct->value = strbuf_detach(pair[1], NULL);
+ lowercase(pair[0]->buf);
+ if (fn(pair[0]->buf, pair[1] ? pair[1]->buf : NULL, data) < 0) {
+ strbuf_list_free(pair);
+ return -1;
}
strbuf_list_free(pair);
- lowercase(ct->name);
- *config_parameters_tail = ct;
- config_parameters_tail = &ct->next;
return 0;
}
-int git_config_parse_environment(void) {
+int git_config_from_parameters(config_fn_t fn, void *data)
+{
const char *env = getenv(CONFIG_DATA_ENVIRONMENT);
char *envw;
const char **argv = NULL;
@@ -92,8 +89,7 @@ int git_config_parse_environment(void) {
}
for (i = 0; i < nr; i++) {
- if (git_config_parse_parameter(argv[i]) < 0) {
- error("bogus config parameter: %s", argv[i]);
+ if (git_config_parse_parameter(argv[i], fn, data) < 0) {
free(argv);
free(envw);
return -1;
@@ -102,7 +98,7 @@ int git_config_parse_environment(void) {
free(argv);
free(envw);
- return 0;
+ return nr > 0;
}
static int get_next_char(void)
@@ -111,7 +107,7 @@ static int get_next_char(void)
FILE *f;
c = '\n';
- if ((f = config_file) != NULL) {
+ if (cf && ((f = cf->f) != NULL)) {
c = fgetc(f);
if (c == '\r') {
/* DOS like systems */
@@ -122,9 +118,9 @@ static int get_next_char(void)
}
}
if (c == '\n')
- config_linenr++;
+ cf->linenr++;
if (c == EOF) {
- config_file_eof = 1;
+ cf->eof = 1;
c = '\n';
}
}
@@ -133,23 +129,20 @@ static int get_next_char(void)
static char *parse_value(void)
{
- static char value[1024];
- int quote = 0, comment = 0, len = 0, space = 0;
+ int quote = 0, comment = 0, space = 0;
+ strbuf_reset(&cf->value);
for (;;) {
int c = get_next_char();
- if (len >= sizeof(value) - 1)
- return NULL;
if (c == '\n') {
if (quote)
return NULL;
- value[len] = 0;
- return value;
+ return cf->value.buf;
}
if (comment)
continue;
if (isspace(c) && !quote) {
- if (len)
+ if (cf->value.len)
space++;
continue;
}
@@ -160,7 +153,7 @@ static char *parse_value(void)
}
}
for (; space; space--)
- value[len++] = ' ';
+ strbuf_addch(&cf->value, ' ');
if (c == '\\') {
c = get_next_char();
switch (c) {
@@ -182,14 +175,14 @@ static char *parse_value(void)
default:
return NULL;
}
- value[len++] = c;
+ strbuf_addch(&cf->value, c);
continue;
}
if (c == '"') {
quote = 1-quote;
continue;
}
- value[len++] = c;
+ strbuf_addch(&cf->value, c);
}
}
@@ -206,7 +199,7 @@ static int get_value(config_fn_t fn, void *data, char *name, unsigned int len)
/* Get the full name */
for (;;) {
c = get_next_char();
- if (config_file_eof)
+ if (cf->eof)
break;
if (!iskeychar(c))
break;
@@ -270,7 +263,7 @@ static int get_base_var(char *name)
for (;;) {
int c = get_next_char();
- if (config_file_eof)
+ if (cf->eof)
return -1;
if (c == ']')
return baselen;
@@ -288,7 +281,7 @@ static int git_parse_file(config_fn_t fn, void *data)
{
int comment = 0;
int baselen = 0;
- static char var[MAXNAME];
+ char *var = cf->var;
/* U+FEFF Byte Order Mark in UTF8 */
static const unsigned char *utf8_bom = (unsigned char *) "\xef\xbb\xbf";
@@ -312,7 +305,7 @@ static int git_parse_file(config_fn_t fn, void *data)
}
}
if (c == '\n') {
- if (config_file_eof)
+ if (cf->eof)
return 0;
comment = 0;
continue;
@@ -337,10 +330,10 @@ static int git_parse_file(config_fn_t fn, void *data)
if (get_value(fn, data, var, baselen+1) < 0)
break;
}
- die("bad config file line %d in %s", config_linenr, config_file_name);
+ die("bad config file line %d in %s", cf->linenr, cf->name);
}
-static int parse_unit_factor(const char *end, unsigned long *val)
+static int parse_unit_factor(const char *end, uintmax_t *val)
{
if (!*end)
return 1;
@@ -363,11 +356,23 @@ static int git_parse_long(const char *value, long *ret)
{
if (value && *value) {
char *end;
- long val = strtol(value, &end, 0);
- unsigned long factor = 1;
+ intmax_t val;
+ uintmax_t uval;
+ uintmax_t factor = 1;
+
+ errno = 0;
+ val = strtoimax(value, &end, 0);
+ if (errno == ERANGE)
+ return 0;
if (!parse_unit_factor(end, &factor))
return 0;
- *ret = val * factor;
+ uval = abs(val);
+ uval *= factor;
+ if ((uval > maximum_signed_value_of_type(long)) ||
+ (abs(val) > uval))
+ return 0;
+ val *= factor;
+ *ret = val;
return 1;
}
return 0;
@@ -377,9 +382,19 @@ int git_parse_ulong(const char *value, unsigned long *ret)
{
if (value && *value) {
char *end;
- unsigned long val = strtoul(value, &end, 0);
+ uintmax_t val;
+ uintmax_t oldval;
+
+ errno = 0;
+ val = strtoumax(value, &end, 0);
+ if (errno == ERANGE)
+ return 0;
+ oldval = val;
if (!parse_unit_factor(end, &val))
return 0;
+ if ((val > maximum_unsigned_value_of_type(long)) ||
+ (oldval > val))
+ return 0;
*ret = val;
return 1;
}
@@ -388,8 +403,8 @@ int git_parse_ulong(const char *value, unsigned long *ret)
static void die_bad_config(const char *name)
{
- if (config_file_name)
- die("bad config value for '%s' in %s", name, config_file_name);
+ if (cf && cf->name)
+ die("bad config value for '%s' in %s", name, cf->name);
die("bad config value for '%s'", name);
}
@@ -498,6 +513,9 @@ static int git_default_core_config(const char *var, const char *value)
return 0;
}
+ if (!strcmp(var, "core.attributesfile"))
+ return git_config_pathname(&git_attributes_file, var, value);
+
if (!strcmp(var, "core.bare")) {
is_bare_repository_cfg = git_config_bool(var, value);
return 0;
@@ -557,7 +575,7 @@ static int git_default_core_config(const char *var, const char *value)
if (!strcmp(var, "core.packedgitwindowsize")) {
int pgsz_x2 = getpagesize() * 2;
- packed_git_window_size = git_config_int(var, value);
+ packed_git_window_size = git_config_ulong(var, value);
/* This value must be multiple of (pagesize * 2) */
packed_git_window_size /= pgsz_x2;
@@ -567,19 +585,27 @@ static int git_default_core_config(const char *var, const char *value)
return 0;
}
+ if (!strcmp(var, "core.bigfilethreshold")) {
+ big_file_threshold = git_config_ulong(var, value);
+ return 0;
+ }
+
if (!strcmp(var, "core.packedgitlimit")) {
- packed_git_limit = git_config_int(var, value);
+ packed_git_limit = git_config_ulong(var, value);
return 0;
}
if (!strcmp(var, "core.deltabasecachelimit")) {
- delta_base_cache_limit = git_config_int(var, value);
+ delta_base_cache_limit = git_config_ulong(var, value);
return 0;
}
+ if (!strcmp(var, "core.logpackaccess"))
+ return git_config_string(&log_pack_access, var, value);
+
if (!strcmp(var, "core.autocrlf")) {
if (value && !strcasecmp(value, "input")) {
- if (eol == EOL_CRLF)
+ if (core_eol == EOL_CRLF)
return error("core.autocrlf=input conflicts with core.eol=crlf");
auto_crlf = AUTO_CRLF_INPUT;
return 0;
@@ -599,14 +625,14 @@ static int git_default_core_config(const char *var, const char *value)
if (!strcmp(var, "core.eol")) {
if (value && !strcasecmp(value, "lf"))
- eol = EOL_LF;
+ core_eol = EOL_LF;
else if (value && !strcasecmp(value, "crlf"))
- eol = EOL_CRLF;
+ core_eol = EOL_CRLF;
else if (value && !strcasecmp(value, "native"))
- eol = EOL_NATIVE;
+ core_eol = EOL_NATIVE;
else
- eol = EOL_UNSET;
- if (eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT)
+ core_eol = EOL_UNSET;
+ if (core_eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT)
return error("core.autocrlf=input conflicts with core.eol=crlf");
return 0;
}
@@ -792,6 +818,10 @@ int git_default_config(const char *var, const char *value, void *dummy)
return 0;
}
+ if (!strcmp(var, "pack.packsizelimit")) {
+ pack_size_limit_cfg = git_config_ulong(var, value);
+ return 0;
+ }
/* Add other config variables here and to Documentation/config.txt. */
return 0;
}
@@ -803,13 +833,24 @@ int git_config_from_file(config_fn_t fn, const char *filename, void *data)
ret = -1;
if (f) {
- config_file = f;
- config_file_name = filename;
- config_linenr = 1;
- config_file_eof = 0;
+ config_file top;
+
+ /* push config-file parsing state stack */
+ top.prev = cf;
+ top.f = f;
+ top.name = filename;
+ top.linenr = 1;
+ top.eof = 0;
+ strbuf_init(&top.value, 1024);
+ cf = &top;
+
ret = git_parse_file(fn, data);
+
+ /* pop config-file parsing state stack */
+ strbuf_release(&top.value);
+ cf = top.prev;
+
fclose(f);
- config_file_name = NULL;
}
return ret;
}
@@ -833,22 +874,6 @@ int git_config_system(void)
return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
}
-int git_config_from_parameters(config_fn_t fn, void *data)
-{
- static int loaded_environment;
- const struct config_item *ct;
-
- if (!loaded_environment) {
- if (git_config_parse_environment() < 0)
- return -1;
- loaded_environment = 1;
- }
- for (ct = config_parameters; ct; ct = ct->next)
- if (fn(ct->name, ct->value, data) < 0)
- return -1;
- return 0;
-}
-
int git_config_early(config_fn_t fn, void *data, const char *repo_config)
{
int ret = 0, found = 0;
@@ -865,12 +890,12 @@ int git_config_early(config_fn_t fn, void *data, const char *repo_config)
home = getenv("HOME");
if (home) {
- char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
+ char buf[PATH_MAX];
+ char *user_config = mksnpath(buf, sizeof(buf), "%s/.gitconfig", home);
if (!access(user_config, R_OK)) {
ret += git_config_from_file(fn, user_config, data);
found += 1;
}
- free(user_config);
}
if (repo_config && !access(repo_config, R_OK)) {
@@ -878,9 +903,16 @@ int git_config_early(config_fn_t fn, void *data, const char *repo_config)
found += 1;
}
- ret += git_config_from_parameters(fn, data);
- if (config_parameters)
- found += 1;
+ switch (git_config_from_parameters(fn, data)) {
+ case -1: /* error */
+ die("unable to parse command-line config");
+ break;
+ case 0: /* found nothing */
+ break;
+ default: /* found at least one item */
+ found++;
+ break;
+ }
return ret == 0 ? found : ret;
}
@@ -926,6 +958,7 @@ static int store_aux(const char *key, const char *value, void *cb)
{
const char *ep;
size_t section_len;
+ FILE *f = cf->f;
switch (store.state) {
case KEY_SEEN:
@@ -937,7 +970,7 @@ static int store_aux(const char *key, const char *value, void *cb)
return 1;
}
- store.offset[store.seen] = ftell(config_file);
+ store.offset[store.seen] = ftell(f);
store.seen++;
}
break;
@@ -964,19 +997,19 @@ 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.
*/
- store.offset[store.seen] = ftell(config_file);
+ store.offset[store.seen] = ftell(f);
/* fallthru */
case SECTION_END_SEEN:
case START:
if (matches(key, value)) {
- store.offset[store.seen] = ftell(config_file);
+ store.offset[store.seen] = ftell(f);
store.state = KEY_SEEN;
store.seen++;
} else {
if (strrchr(key, '.') - key == store.baselen &&
!strncmp(key, store.key, store.baselen)) {
store.state = SECTION_SEEN;
- store.offset[store.seen] = ftell(config_file);
+ store.offset[store.seen] = ftell(f);
}
}
}
@@ -1090,6 +1123,12 @@ contline:
return offset;
}
+int git_config_set_in_file(const char *config_filename,
+ const char *key, const char *value)
+{
+ return git_config_set_multivar_in_file(config_filename, key, value, NULL, 0);
+}
+
int git_config_set(const char *key, const char *value)
{
return git_config_set_multivar(key, value, NULL, 0);
@@ -1119,12 +1158,12 @@ int git_config_parse_key(const char *key, char **store_key, int *baselen_)
if (last_dot == NULL || last_dot == key) {
error("key does not contain a section: %s", key);
- return -2;
+ return -CONFIG_NO_SECTION_OR_NAME;
}
if (!last_dot[1]) {
error("key does not contain variable name: %s", key);
- return -2;
+ return -CONFIG_NO_SECTION_OR_NAME;
}
baselen = last_dot - key;
@@ -1161,7 +1200,7 @@ int git_config_parse_key(const char *key, char **store_key, int *baselen_)
out_free_ret_1:
free(*store_key);
- return -1;
+ return -CONFIG_INVALID_KEY;
}
/*
@@ -1187,19 +1226,14 @@ out_free_ret_1:
* - the config file is removed and the lock file rename()d to it.
*
*/
-int git_config_set_multivar(const char *key, const char *value,
- const char *value_regex, int multi_replace)
+int git_config_set_multivar_in_file(const char *config_filename,
+ const char *key, const char *value,
+ const char *value_regex, int multi_replace)
{
int fd = -1, in_fd;
int ret;
- char *config_filename;
struct lock_file *lock = NULL;
- if (config_exclusive_filename)
- config_filename = xstrdup(config_exclusive_filename);
- else
- config_filename = git_pathdup("config");
-
/* parse-key returns negative; flip the sign to feed exit(3) */
ret = 0 - git_config_parse_key(key, &store.key, &store.baselen);
if (ret)
@@ -1217,7 +1251,7 @@ int git_config_set_multivar(const char *key, const char *value,
if (fd < 0) {
error("could not lock config file %s: %s", config_filename, strerror(errno));
free(store.key);
- ret = -1;
+ ret = CONFIG_NO_LOCK;
goto out_free;
}
@@ -1231,12 +1265,12 @@ int git_config_set_multivar(const char *key, const char *value,
if ( ENOENT != errno ) {
error("opening %s: %s", config_filename,
strerror(errno));
- ret = 3; /* same as "invalid config file" */
+ ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */
goto out_free;
}
/* if nothing to unset, error out */
if (value == NULL) {
- ret = 5;
+ ret = CONFIG_NOTHING_SET;
goto out_free;
}
@@ -1264,7 +1298,7 @@ int git_config_set_multivar(const char *key, const char *value,
REG_EXTENDED)) {
error("invalid pattern: %s", value_regex);
free(store.value_regex);
- ret = 6;
+ ret = CONFIG_INVALID_PATTERN;
goto out_free;
}
}
@@ -1286,7 +1320,7 @@ int git_config_set_multivar(const char *key, const char *value,
regfree(store.value_regex);
free(store.value_regex);
}
- ret = 3;
+ ret = CONFIG_INVALID_FILE;
goto out_free;
}
@@ -1299,7 +1333,7 @@ int git_config_set_multivar(const char *key, const char *value,
/* if nothing to unset, or too many matches, error out */
if ((store.seen == 0 && value == NULL) ||
(store.seen > 1 && multi_replace == 0)) {
- ret = 5;
+ ret = CONFIG_NOTHING_SET;
goto out_free;
}
@@ -1360,7 +1394,7 @@ int git_config_set_multivar(const char *key, const char *value,
if (commit_lock_file(lock) < 0) {
error("could not commit config file %s", config_filename);
- ret = 4;
+ ret = CONFIG_NO_WRITE;
goto out_free;
}
@@ -1376,7 +1410,6 @@ int git_config_set_multivar(const char *key, const char *value,
out_free:
if (lock)
rollback_lock_file(lock);
- free(config_filename);
return ret;
write_err_out:
@@ -1385,6 +1418,24 @@ write_err_out:
}
+int git_config_set_multivar(const char *key, const char *value,
+ const char *value_regex, int multi_replace)
+{
+ const char *config_filename;
+ char *buf = NULL;
+ int ret;
+
+ if (config_exclusive_filename)
+ config_filename = config_exclusive_filename;
+ else
+ config_filename = buf = git_pathdup("config");
+
+ ret = git_config_set_multivar_in_file(config_filename, key, value,
+ value_regex, multi_replace);
+ free(buf);
+ return ret;
+}
+
static int section_name_match (const char *buf, const char *name)
{
int i = 0, j = 0, dot = 0;
@@ -1432,6 +1483,7 @@ int git_config_rename_section(const char *old_name, const char *new_name)
struct lock_file *lock = xcalloc(sizeof(struct lock_file), 1);
int out_fd;
char buf[1024];
+ FILE *config_file;
if (config_exclusive_filename)
config_filename = xstrdup(config_exclusive_filename);
@@ -1496,10 +1548,10 @@ int git_config_rename_section(const char *old_name, const char *new_name)
}
}
fclose(config_file);
- unlock_and_out:
+unlock_and_out:
if (commit_lock_file(lock) < 0)
ret = error("could not commit config file %s", config_filename);
- out:
+out:
free(config_filename);
return ret;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 05:40:32 +0000