fast-import: fix segfault in store_tree()

diff --git a/config.c b/config.c
index 3c3e31448e5be385f9302ccce9c6993667014e5b..058505cb8d8d8bb531527b620125b0204732458a 100644 (file)
--- a/config.c
+++ b/config.c
@@ -138,8 +138,7 @@ int git_config_include(const char *var, const char *value, void *data)
        if (ret < 0)
                return ret;
 
-       type = skip_prefix(var, "include.");
-       if (!type)
+       if (!skip_prefix(var, "include.", &type))
                return ret;
 
        if (!strcmp(type, "path"))
@@ -147,12 +146,6 @@ int git_config_include(const char *var, const char *value, void *data)
        return ret;
 }
 
-static void lowercase(char *p)
-{
-       for (; *p; p++)
-               *p = tolower(*p);
-}
-
 void git_config_push_parameter(const char *text)
 {
        struct strbuf env = STRBUF_INIT;
@@ -180,7 +173,7 @@ int git_config_parse_parameter(const char *text,
                strbuf_list_free(pair);
                return error("bogus config parameter: %s", text);
        }
-       lowercase(pair[0]->buf);
+       strbuf_tolower(pair[0]);
        if (fn(pair[0]->buf, pair[1] ? pair[1]->buf : NULL, data) < 0) {
                strbuf_list_free(pair);
                return -1;
@@ -824,14 +817,12 @@ static int git_default_core_config(const char *var, const char *value)
                return git_config_string(&editor_program, var, value);
 
        if (!strcmp(var, "core.commentchar")) {
-               const char *comment;
-               int ret = git_config_string(&comment, var, value);
-               if (ret)
-                       return ret;
-               else if (!strcasecmp(comment, "auto"))
+               if (!value)
+                       return config_error_nonbool(var);
+               else if (!strcasecmp(value, "auto"))
                        auto_comment_line_char = 1;
-               else if (comment[0] && !comment[1]) {
-                       comment_line_char = comment[0];
+               else if (value[0] && !value[1]) {
+                       comment_line_char = value[0];
                        auto_comment_line_char = 0;
                } else
                        return error("core.commentChar should only be one character");
@@ -959,7 +950,7 @@ static int git_default_push_config(const char *var, const char *value)
 static int git_default_mailmap_config(const char *var, const char *value)
 {
        if (!strcmp(var, "mailmap.file"))
-               return git_config_string(&git_mailmap_file, var, value);
+               return git_config_pathname(&git_mailmap_file, var, value);
        if (!strcmp(var, "mailmap.blob"))
                return git_config_string(&git_mailmap_blob, var, value);
 
@@ -1545,7 +1536,7 @@ int git_config_set_multivar_in_file(const char *config_filename,
         * The lock serves a purpose in addition to locking: the new
         * contents of .git/config will be written into it.
         */
-       lock = xcalloc(sizeof(struct lock_file), 1);
+       lock = xcalloc(1, sizeof(struct lock_file));
        fd = hold_lock_file_for_update(lock, config_filename, 0);
        if (fd < 0) {
                error("could not lock config file %s: %s", config_filename, strerror(errno));
@@ -1643,8 +1634,8 @@ int git_config_set_multivar_in_file(const char *config_filename,
                        MAP_PRIVATE, in_fd, 0);
                close(in_fd);
 
-               if (fchmod(fd, st.st_mode & 07777) < 0) {
-                       error("fchmod on %s failed: %s",
+               if (chmod(lock->filename, st.st_mode & 07777) < 0) {
+                       error("chmod on %s failed: %s",
                                lock->filename, strerror(errno));
                        ret = CONFIG_NO_WRITE;
                        goto out_free;
@@ -1808,7 +1799,7 @@ int git_config_rename_section_in_file(const char *config_filename,
        if (!config_filename)
                config_filename = filename_buf = git_pathdup("config");
 
-       lock = xcalloc(sizeof(struct lock_file), 1);
+       lock = xcalloc(1, sizeof(struct lock_file));
        out_fd = hold_lock_file_for_update(lock, config_filename, 0);
        if (out_fd < 0) {
                ret = error("could not lock config file %s", config_filename);
@@ -1822,8 +1813,8 @@ int git_config_rename_section_in_file(const char *config_filename,
 
        fstat(fileno(config_file), &st);
 
-       if (fchmod(out_fd, st.st_mode & 07777) < 0) {
-               ret = error("fchmod on %s failed: %s",
+       if (chmod(lock->filename, st.st_mode & 07777) < 0) {
+               ret = error("chmod on %s failed: %s",
                                lock->filename, strerror(errno));
                goto out;
        }