autoconf: Add link tests to each AC_CHECK_FUNC() test

[git.git] / run-command.c

diff --git a/run-command.c b/run-command.c
index 73d0c312767191a2150b5223806c1733533bc5c2..c90cdc50e3165bcdb798c85b2dc7b929a9b0a144 100644 (file)
--- a/run-command.c
+++ b/run-command.c
@@ -68,6 +68,7 @@ int start_command(struct child_process *cmd)
        trace_argv_printf(cmd->argv, "trace: run_command:");
 
 #ifndef __MINGW32__
+       fflush(NULL);
        cmd->pid = fork();
        if (!cmd->pid) {
                if (cmd->no_stdin)
@@ -121,9 +122,8 @@ int start_command(struct child_process *cmd)
        }
 #else
        int s0 = -1, s1 = -1, s2 = -1;  /* backups of stdin, stdout, stderr */
-       const char *sargv0 = cmd->argv[0];
+       const char **sargv = cmd->argv;
        char **env = environ;
-       struct strbuf git_cmd;
 
        if (cmd->no_stdin) {
                s0 = dup(0);
@@ -167,9 +167,7 @@ int start_command(struct child_process *cmd)
        }
 
        if (cmd->git_cmd) {
-               strbuf_init(&git_cmd, 0);
-               strbuf_addf(&git_cmd, "git-%s", cmd->argv[0]);
-               cmd->argv[0] = git_cmd.buf;
+               cmd->argv = prepare_git_cmd(cmd->argv);
        }
 
        cmd->pid = mingw_spawnvpe(cmd->argv[0], cmd->argv, env);
@@ -177,9 +175,9 @@ int start_command(struct child_process *cmd)
        if (cmd->env)
                free_environ(env);
        if (cmd->git_cmd)
-               strbuf_release(&git_cmd);
+               free(cmd->argv);
 
-       cmd->argv[0] = sargv0;
+       cmd->argv = sargv;
        if (s0 >= 0)
                dup2(s0, 0), close(s0);
        if (s1 >= 0)
@@ -275,14 +273,6 @@ int run_command_v_opt(const char **argv, int opt)
        return run_command(&cmd);
 }
 
-int run_command_v_opt_cd(const char **argv, int opt, const char *dir)
-{
-       struct child_process cmd;
-       prepare_run_command_v_opt(&cmd, argv, opt);
-       cmd.dir = dir;
-       return run_command(&cmd);
-}
-
 int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env)
 {
        struct child_process cmd;
@@ -309,6 +299,9 @@ int start_async(struct async *async)
        async->out = pipe_out[0];
 
 #ifndef __MINGW32__
+       /* Flush stdio before fork() to avoid cloning buffers */
+       fflush(NULL);
+
        async->pid = fork();
        if (async->pid < 0) {
                error("fork (async) failed: %s", strerror(errno));