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Diffstat (limited to 'config.c')
-rw-r--r--config.c116
1 files changed, 67 insertions, 49 deletions
diff --git a/config.c b/config.c
index 44b2c93..9340dfe 100644
--- a/config.c
+++ b/config.c
@@ -12,10 +12,18 @@
#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;
@@ -99,7 +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 */
@@ -110,9 +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';
}
}
@@ -121,23 +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;
}
@@ -148,7 +153,7 @@ static char *parse_value(void)
}
}
for (; space; space--)
- value[len++] = ' ';
+ strbuf_addch(&cf->value, ' ');
if (c == '\\') {
c = get_next_char();
switch (c) {
@@ -170,14 +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);
}
}
@@ -194,7 +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;
@@ -258,7 +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;
@@ -276,7 +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";
@@ -300,7 +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;
@@ -325,7 +330,7 @@ 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)
@@ -376,8 +381,8 @@ 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);
}
@@ -573,7 +578,7 @@ static int git_default_core_config(const char *var, const char *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;
@@ -593,14 +598,14 @@ 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;
}
@@ -797,13 +802,24 @@ 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;
}
@@ -911,6 +927,7 @@ 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:
@@ -922,7 +939,7 @@ 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;
@@ -949,19 +966,19 @@ 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);
}
}
}
@@ -1104,12 +1121,12 @@ 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;
@@ -1146,7 +1163,7 @@ 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;
}
/*
@@ -1202,7 +1219,7 @@ 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;
}
@@ -1216,12 +1233,12 @@ 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;
}
@@ -1249,7 +1266,7 @@ 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;
}
}
@@ -1271,7 +1288,7 @@ 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;
}
@@ -1284,7 +1301,7 @@ 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;
}
@@ -1345,7 +1362,7 @@ 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;
}
@@ -1417,6 +1434,7 @@ 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);