git-tar-tree: no more void pointer arithmetic

[git.git] / run-command.c

diff --git a/run-command.c b/run-command.c
index 5787a50..ca67ee9 100644 (file)
--- a/run-command.c
+++ b/run-command.c
@@ -1,15 +1,26 @@
 #include "cache.h"
 #include "run-command.h"
 #include <sys/wait.h>
+#include "exec_cmd.h"
 
-int run_command_v(int argc, char **argv)
+int run_command_v_opt(int argc, const char **argv, int flags)
 {
        pid_t pid = fork();
 
        if (pid < 0)
                return -ERR_RUN_COMMAND_FORK;
        if (!pid) {
-               execvp(argv[0], (char *const*) argv);
+               if (flags & RUN_COMMAND_NO_STDIO) {
+                       int fd = open("/dev/null", O_RDWR);
+                       dup2(fd, 0);
+                       dup2(fd, 1);
+                       close(fd);
+               }
+               if (flags & RUN_GIT_CMD) {
+                       execv_git_cmd(argv);
+               } else {
+                       execvp(argv[0], (char *const*) argv);
+               }
                die("exec %s failed.", argv[0]);
        }
        for (;;) {
@@ -36,10 +47,15 @@ int run_command_v(int argc, char **argv)
        }
 }
 
+int run_command_v(int argc, const char **argv)
+{
+       return run_command_v_opt(argc, argv, 0);
+}
+
 int run_command(const char *cmd, ...)
 {
        int argc;
-       char *argv[MAX_RUN_COMMAND_ARGS];
+       const char *argv[MAX_RUN_COMMAND_ARGS];
        const char *arg;
        va_list param;
 
@@ -54,5 +70,5 @@ int run_command(const char *cmd, ...)
        va_end(param);
        if (MAX_RUN_COMMAND_ARGS <= argc)
                return error("too many args to run %s", cmd);
-       return run_command_v(argc, argv);
+       return run_command_v_opt(argc, argv, 0);
 }