2 #include "run-command.h"
5 static int run_external_command(int argc, const char **argv)
10 return -ERR_RUN_COMMAND_FORK;
12 execvp(argv[0], (char *const*) argv);
13 return -ERR_RUN_COMMAND_EXEC;
17 int retval = waitpid(pid, &status, 0);
22 error("waitpid failed (%s)", strerror(retval));
23 return -ERR_RUN_COMMAND_WAITPID;
26 return -ERR_RUN_COMMAND_WAITPID_WRONG_PID;
27 if (WIFSIGNALED(status))
28 return -ERR_RUN_COMMAND_WAITPID_SIGNAL;
30 if (!WIFEXITED(status))
31 return -ERR_RUN_COMMAND_WAITPID_NOEXIT;
32 code = WEXITSTATUS(status);
39 int run_command(const char *cmd, ...)
42 const char *argv[MAX_RUN_COMMAND_ARGS];
46 fprintf(stderr, "run-command %s (%d)\n", cmd, ERR_RUN_COMMAND_EXEC);
51 while (argc < MAX_RUN_COMMAND_ARGS) {
52 arg = argv[argc++] = va_arg(param, char *);
57 if (MAX_RUN_COMMAND_ARGS <= argc)
58 return error("too many args to run %s", cmd);
59 return run_external_command(argc, argv);