use REALLOC_ARRAY for changing the allocation size of arrays

[thirdparty/git.git] / git.c

diff --git a/git.c b/git.c
index 9c495198317bf31ff40785a48bf0a44253548098..d5bb674814ffb4cbebd377a063afaeee4a29bd10 100644 (file)
--- a/git.c
+++ b/git.c
@@ -20,7 +20,7 @@ const char git_more_info_string[] =
 
 static struct startup_info git_startup_info;
 static int use_pager = -1;
-static char orig_cwd[PATH_MAX];
+static char *orig_cwd;
 static const char *env_names[] = {
        GIT_DIR_ENVIRONMENT,
        GIT_WORK_TREE_ENVIRONMENT,
@@ -36,8 +36,7 @@ static void save_env(void)
        if (saved_environment)
                return;
        saved_environment = 1;
-       if (!getcwd(orig_cwd, sizeof(orig_cwd)))
-               die_errno("cannot getcwd");
+       orig_cwd = xgetcwd();
        for (i = 0; i < ARRAY_SIZE(env_names); i++) {
                orig_env[i] = getenv(env_names[i]);
                if (orig_env[i])
@@ -48,8 +47,9 @@ static void save_env(void)
 static void restore_env(void)
 {
        int i;
-       if (*orig_cwd && chdir(orig_cwd))
+       if (orig_cwd && chdir(orig_cwd))
                die_errno("could not move to %s", orig_cwd);
+       free(orig_cwd);
        for (i = 0; i < ARRAY_SIZE(env_names); i++) {
                if (orig_env[i])
                        setenv(env_names[i], orig_env[i], 1);
@@ -161,9 +161,10 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
                        if (envchanged)
                                *envchanged = 1;
                } else if (!strcmp(cmd, "--bare")) {
-                       static char git_dir[PATH_MAX+1];
+                       char *cwd = xgetcwd();
                        is_bare_repository_cfg = 1;
-                       setenv(GIT_DIR_ENVIRONMENT, getcwd(git_dir, sizeof(git_dir)), 0);
+                       setenv(GIT_DIR_ENVIRONMENT, cwd, 0);
+                       free(cwd);
                        setenv(GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, "0", 1);
                        if (envchanged)
                                *envchanged = 1;
@@ -281,8 +282,7 @@ static int handle_alias(int *argcp, const char ***argv)
                                  "trace: alias expansion: %s =>",
                                  alias_command);
 
-               new_argv = xrealloc(new_argv, sizeof(char *) *
-                                   (count + *argcp));
+               REALLOC_ARRAY(new_argv, count + *argcp);
                /* insert after command name */
                memcpy(new_argv + count, *argv + 1, sizeof(char *) * *argcp);