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Diffstat (limited to 'config.c')
-rw-r--r--config.c89
1 files changed, 64 insertions, 25 deletions
diff --git a/config.c b/config.c
index 9a5c547..3e72778 100644
--- a/config.c
+++ b/config.c
@@ -13,6 +13,7 @@
static FILE *config_file;
static const char *config_file_name;
static int config_linenr;
+static int config_file_eof;
static int zlib_compression_seen;
static int get_next_char(void)
@@ -34,7 +35,7 @@ static int get_next_char(void)
if (c == '\n')
config_linenr++;
if (c == EOF) {
- config_file = NULL;
+ config_file_eof = 1;
c = '\n';
}
}
@@ -118,7 +119,7 @@ static int get_value(config_fn_t fn, char *name, unsigned int len)
/* Get the full name */
for (;;) {
c = get_next_char();
- if (c == EOF)
+ if (config_file_eof)
break;
if (!iskeychar(c))
break;
@@ -182,7 +183,7 @@ static int get_base_var(char *name)
for (;;) {
int c = get_next_char();
- if (c == EOF)
+ if (config_file_eof)
return -1;
if (c == ']')
return baselen;
@@ -205,8 +206,7 @@ static int git_parse_file(config_fn_t fn)
for (;;) {
int c = get_next_char();
if (c == '\n') {
- /* EOF? */
- if (!config_file)
+ if (config_file_eof)
return 0;
comment = 0;
continue;
@@ -234,17 +234,23 @@ static int git_parse_file(config_fn_t fn)
die("bad config file line %d in %s", config_linenr, config_file_name);
}
-static unsigned long get_unit_factor(const char *end)
+static int parse_unit_factor(const char *end, unsigned long *val)
{
if (!*end)
return 1;
- else if (!strcasecmp(end, "k"))
- return 1024;
- else if (!strcasecmp(end, "m"))
- return 1024 * 1024;
- else if (!strcasecmp(end, "g"))
- return 1024 * 1024 * 1024;
- die("unknown unit: '%s'", end);
+ else if (!strcasecmp(end, "k")) {
+ *val *= 1024;
+ return 1;
+ }
+ else if (!strcasecmp(end, "m")) {
+ *val *= 1024 * 1024;
+ return 1;
+ }
+ else if (!strcasecmp(end, "g")) {
+ *val *= 1024 * 1024 * 1024;
+ return 1;
+ }
+ return 0;
}
int git_parse_long(const char *value, long *ret)
@@ -252,7 +258,10 @@ int git_parse_long(const char *value, long *ret)
if (value && *value) {
char *end;
long val = strtol(value, &end, 0);
- *ret = val * get_unit_factor(end);
+ unsigned long factor = 1;
+ if (!parse_unit_factor(end, &factor))
+ return 0;
+ *ret = val * factor;
return 1;
}
return 0;
@@ -263,7 +272,9 @@ int git_parse_ulong(const char *value, unsigned long *ret)
if (value && *value) {
char *end;
unsigned long val = strtoul(value, &end, 0);
- *ret = val * get_unit_factor(end);
+ if (!parse_unit_factor(end, &val))
+ return 0;
+ *ret = val;
return 1;
}
return 0;
@@ -397,21 +408,29 @@ int git_default_config(const char *var, const char *value)
}
if (!strcmp(var, "user.name")) {
+ if (!value)
+ return config_error_nonbool(var);
strlcpy(git_default_name, value, sizeof(git_default_name));
return 0;
}
if (!strcmp(var, "user.email")) {
+ if (!value)
+ return config_error_nonbool(var);
strlcpy(git_default_email, value, sizeof(git_default_email));
return 0;
}
if (!strcmp(var, "i18n.commitencoding")) {
+ if (!value)
+ return config_error_nonbool(var);
git_commit_encoding = xstrdup(value);
return 0;
}
if (!strcmp(var, "i18n.logoutputencoding")) {
+ if (!value)
+ return config_error_nonbool(var);
git_log_output_encoding = xstrdup(value);
return 0;
}
@@ -423,23 +442,29 @@ int git_default_config(const char *var, const char *value)
}
if (!strcmp(var, "core.pager")) {
+ if (!value)
+ return config_error_nonbool(var);
pager_program = xstrdup(value);
return 0;
}
if (!strcmp(var, "core.editor")) {
+ if (!value)
+ return config_error_nonbool(var);
editor_program = xstrdup(value);
return 0;
}
if (!strcmp(var, "core.excludesfile")) {
if (!value)
- die("core.excludesfile without value");
+ return config_error_nonbool(var);
excludes_file = xstrdup(value);
return 0;
}
if (!strcmp(var, "core.whitespace")) {
+ if (!value)
+ return config_error_nonbool(var);
whitespace_rule_cfg = parse_whitespace_rule(value);
return 0;
}
@@ -458,6 +483,7 @@ int git_config_from_file(config_fn_t fn, const char *filename)
config_file = f;
config_file_name = filename;
config_linenr = 1;
+ config_file_eof = 0;
ret = git_parse_file(fn);
fclose(f);
config_file_name = NULL;
@@ -472,9 +498,9 @@ const char *git_etc_gitconfig(void)
system_wide = ETC_GITCONFIG;
if (!is_absolute_path(system_wide)) {
/* interpret path relative to exec-dir */
- const char *exec_path = git_exec_path();
- system_wide = prefix_path(exec_path, strlen(exec_path),
- system_wide);
+ struct strbuf d = STRBUF_INIT;
+ strbuf_addf(&d, "%s/%s", git_exec_path(), system_wide);
+ system_wide = strbuf_detach(&d, NULL);
}
}
return system_wide;
@@ -689,12 +715,17 @@ static ssize_t find_beginning_of_line(const char* contents, size_t size,
size_t equal_offset = size, bracket_offset = size;
ssize_t offset;
+contline:
for (offset = offset_-2; offset > 0
&& contents[offset] != '\n'; offset--)
switch (contents[offset]) {
case '=': equal_offset = offset; break;
case ']': bracket_offset = offset; break;
}
+ if (offset > 0 && contents[offset-1] == '\\') {
+ offset_ = offset;
+ goto contline;
+ }
if (bracket_offset < equal_offset) {
*found_bracket = 1;
offset = bracket_offset+1;
@@ -907,6 +938,9 @@ int git_config_set_multivar(const char* key, const char* value,
contents, contents_sz,
store.offset[i]-2, &new_line);
+ if (copy_end > 0 && contents[copy_end-1] != '\n')
+ new_line = 1;
+
/* write the first part of the config */
if (copy_end > copy_begin) {
if (write_in_full(fd, contents + copy_begin,
@@ -940,14 +974,12 @@ int git_config_set_multivar(const char* key, const char* value,
munmap(contents, contents_sz);
}
- if (close(fd) || commit_lock_file(lock) < 0) {
+ if (commit_lock_file(lock) < 0) {
fprintf(stderr, "Cannot commit config file!\n");
ret = 4;
goto out_free;
}
- /* fd is closed, so don't try to close it below. */
- fd = -1;
/*
* lock is committed, so don't try to roll it back below.
* NOTE: Since lockfile.c keeps a linked list of all created
@@ -958,8 +990,6 @@ int git_config_set_multivar(const char* key, const char* value,
ret = 0;
out_free:
- if (0 <= fd)
- close(fd);
if (lock)
rollback_lock_file(lock);
free(config_filename);
@@ -1057,9 +1087,18 @@ int git_config_rename_section(const char *old_name, const char *new_name)
}
fclose(config_file);
unlock_and_out:
- if (close(out_fd) || commit_lock_file(lock) < 0)
+ if (commit_lock_file(lock) < 0)
ret = error("Cannot commit config file!");
out:
free(config_filename);
return ret;
}
+
+/*
+ * Call this to report error for your variable that should not
+ * get a boolean value (i.e. "[my] var" means "true").
+ */
+int config_error_nonbool(const char *var)
+{
+ return error("Missing value for '%s'", var);
+}