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libbb: rename run_shell() to exec_shell()

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2020-12-02 21:28:47 +01:00
parent b4f93f562d
commit 2075aa93e0
6 changed files with 16 additions and 16 deletions
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4
include/libbb.h
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@ -1140,7 +1140,6 @@ int BB_EXECVP(const char *file, char *const argv[]) FAST_FUNC;
#define BB_EXECLP(prog,cmd,...) execlp(prog,cmd,__VA_ARGS__)
#endif
void BB_EXECVP_or_die(char **argv) NORETURN FAST_FUNC;
void exec_prog_or_SHELL(char **argv) NORETURN FAST_FUNC;
/* xvfork() can't be a _function_, return after vfork in child mangles stack
* in the parent. It must be a macro. */
@ -1607,7 +1606,8 @@ void bb_do_delay(unsigned seconds) FAST_FUNC;
void msleep(unsigned ms) FAST_FUNC;
void sleep1(void) FAST_FUNC;
void change_identity(const struct passwd *pw) FAST_FUNC;
void run_shell(const char *shell, int loginshell, const char **args) NORETURN FAST_FUNC;
void exec_shell(const char *shell, int loginshell, const char **args) NORETURN FAST_FUNC;
void exec_prog_or_SHELL(char **argv) NORETURN FAST_FUNC;
/* Returns $SHELL, getpwuid(getuid())->pw_shell, or DEFAULT_SHELL.
* Note that getpwuid result might need xstrdup'ing

9
libbb/executable.c
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@ -91,12 +91,3 @@ void FAST_FUNC BB_EXECVP_or_die(char **argv)
xfunc_error_retval = (errno == ENOENT) ? 127 : 126;
bb_perror_msg_and_die("can't execute '%s'", argv[0]);
}
/* Typical idiom for applets which exec *optional* PROG [ARGS] */
void FAST_FUNC exec_prog_or_SHELL(char **argv)
{
if (argv[0]) {
BB_EXECVP_or_die(argv);
}
run_shell(getenv("SHELL"), /*login:*/ 1, NULL);
}

13
libbb/run_shell.c
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@ -48,10 +48,10 @@ void FAST_FUNC set_current_security_context(security_context_t sid)
#endif
/* Run SHELL, or DEFAULT_SHELL if SHELL is "" or NULL.
/* Exec SHELL, or DEFAULT_SHELL if SHELL is "" or NULL.
* If ADDITIONAL_ARGS is not NULL, pass them to the shell.
*/
void FAST_FUNC run_shell(const char *shell, int loginshell, const char **additional_args)
void FAST_FUNC exec_shell(const char *shell, int loginshell, const char **additional_args)
{
const char **args;
@ -84,3 +84,12 @@ void FAST_FUNC run_shell(const char *shell, int loginshell, const char **additio
execv(shell, (char **) args);
bb_perror_msg_and_die("can't execute '%s'", shell);
}
/* Typical idiom for applets which exec *optional* PROG [ARGS] */
void FAST_FUNC exec_prog_or_SHELL(char **argv)
{
if (argv[0]) {
BB_EXECVP_or_die(argv);
}
exec_shell(getenv("SHELL"), /*login:*/ 1, NULL);
}

2
loginutils/login.c
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@ -602,7 +602,7 @@ int login_main(int argc UNUSED_PARAM, char **argv)
signal(SIGINT, SIG_DFL);
/* Exec login shell with no additional parameters */
run_shell(pw->pw_shell, 1, NULL);
exec_shell(pw->pw_shell, 1, NULL);
/* return EXIT_FAILURE; - not reached */
}

2
loginutils/su.c
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@ -204,7 +204,7 @@ int su_main(int argc UNUSED_PARAM, char **argv)
*/
/* Never returns */
run_shell(opt_shell, flags & SU_OPT_l, (const char**)argv);
exec_shell(opt_shell, flags & SU_OPT_l, (const char**)argv);
/* return EXIT_FAILURE; - not reached */
}

2
loginutils/sulogin.c
View File

@ -89,5 +89,5 @@ int sulogin_main(int argc UNUSED_PARAM, char **argv)
shell = pwd->pw_shell;
/* Exec login shell with no additional parameters. Never returns. */
run_shell(shell, 1, NULL);
exec_shell(shell, 1, NULL);
}