X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=config.c;h=b82907cb857c9f745a2afa7abe786ee0c7ae1ff8;hb=355885d531568e144ce5c9a2f65792a3aa8b5528;hp=9a5c5470cc5ac893399bcf2126e4d5ba601718ef;hpb=dfaf75b4698833d820e77e9f42ef93f3b6d3669d;p=git.git

diff --git a/config.c b/config.c
index 9a5c5470c..b82907cb8 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;
@@ -298,6 +309,14 @@ int git_config_bool(const char *name, const char *value)
 	return git_config_int(name, value) != 0;
 }
 
+int git_config_string(const char **dest, const char *var, const char *value)
+{
+	if (!value)
+		return config_error_nonbool(var);
+	*dest = xstrdup(value);
+	return 0;
+}
+
 int git_default_config(const char *var, const char *value)
 {
 	/* This needs a better name */
@@ -397,49 +416,42 @@ 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")) {
-		git_commit_encoding = xstrdup(value);
-		return 0;
-	}
-
-	if (!strcmp(var, "i18n.logoutputencoding")) {
-		git_log_output_encoding = xstrdup(value);
-		return 0;
-	}
+	if (!strcmp(var, "i18n.commitencoding"))
+		return git_config_string(&git_commit_encoding, var, value);
 
+	if (!strcmp(var, "i18n.logoutputencoding"))
+		return git_config_string(&git_log_output_encoding, var, value);
 
 	if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
 		pager_use_color = git_config_bool(var,value);
 		return 0;
 	}
 
-	if (!strcmp(var, "core.pager")) {
-		pager_program = xstrdup(value);
-		return 0;
-	}
+	if (!strcmp(var, "core.pager"))
+		return git_config_string(&pager_program, var, value);
 
-	if (!strcmp(var, "core.editor")) {
-		editor_program = xstrdup(value);
-		return 0;
-	}
+	if (!strcmp(var, "core.editor"))
+		return git_config_string(&editor_program, var, value);
 
-	if (!strcmp(var, "core.excludesfile")) {
-		if (!value)
-			die("core.excludesfile without value");
-		excludes_file = xstrdup(value);
-		return 0;
-	}
+	if (!strcmp(var, "core.excludesfile"))
+		return git_config_string(&excludes_file, var, value);
 
 	if (!strcmp(var, "core.whitespace")) {
+		if (!value)
+			return config_error_nonbool(var);
 		whitespace_rule_cfg = parse_whitespace_rule(value);
 		return 0;
 	}
@@ -458,6 +470,7 @@ 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;
@@ -689,12 +702,17 @@ 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 +925,9 @@ 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 +961,12 @@ 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 +977,6 @@ 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 +1074,18 @@ 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);
+}