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-rw-r--r--shell/ash.c153
1 files changed, 76 insertions, 77 deletions
diff --git a/shell/ash.c b/shell/ash.c
index 069909118..580918ceb 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -2472,7 +2472,7 @@ docd(const char *dest, int flags)
}
static int
-cdcmd(int argc, char **argv)
+cdcmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
const char *dest;
const char *path;
@@ -2536,7 +2536,7 @@ cdcmd(int argc, char **argv)
}
static int
-pwdcmd(int argc, char **argv)
+pwdcmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
int flags;
const char *dir = curdir;
@@ -3138,19 +3138,20 @@ printalias(const struct alias *ap)
* TODO - sort output
*/
static int
-aliascmd(int argc, char **argv)
+aliascmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
char *n, *v;
int ret = 0;
struct alias *ap;
- if (argc == 1) {
+ if (!argv[1]) {
int i;
- for (i = 0; i < ATABSIZE; i++)
+ for (i = 0; i < ATABSIZE; i++) {
for (ap = atab[i]; ap; ap = ap->next) {
printalias(ap);
}
+ }
return 0;
}
while ((n = *++argv) != NULL) {
@@ -3172,7 +3173,7 @@ aliascmd(int argc, char **argv)
}
static int
-unaliascmd(int argc, char **argv)
+unaliascmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
int i;
@@ -3245,7 +3246,7 @@ struct job {
static pid_t backgndpid; /* pid of last background process */
static smallint job_warning; /* user was warned about stopped jobs (can be 2, 1 or 0). */
-static struct job *makejob(union node *, int);
+static struct job *makejob(/*union node *,*/ int);
static int forkshell(struct job *, union node *, int);
static int waitforjob(struct job *);
@@ -3612,8 +3613,8 @@ setjobctl(int on)
static int
killcmd(int argc, char **argv)
{
+ int i = 1;
if (argv[1] && strcmp(argv[1], "-l") != 0) {
- int i = 1;
do {
if (argv[i][0] == '%') {
struct job *jp = getjob(argv[i], 0);
@@ -3675,7 +3676,7 @@ restartjob(struct job *jp, int mode)
}
static int
-fg_bgcmd(int argc, char **argv)
+fg_bgcmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
struct job *jp;
FILE *out;
@@ -3962,7 +3963,7 @@ showjobs(FILE *out, int mode)
}
static int
-jobscmd(int argc, char **argv)
+jobscmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
int mode, m;
@@ -4015,7 +4016,7 @@ getstatus(struct job *job)
}
static int
-waitcmd(int argc, char **argv)
+waitcmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
struct job *job;
int retval;
@@ -4121,7 +4122,7 @@ growjobtab(void)
* Called with interrupts off.
*/
static struct job *
-makejob(union node *node, int nprocs)
+makejob(/*union node *node,*/ int nprocs)
{
int i;
struct job *jp;
@@ -4156,7 +4157,7 @@ makejob(union node *node, int nprocs)
if (nprocs > 1) {
jp->ps = ckmalloc(nprocs * sizeof(struct procstat));
}
- TRACE(("makejob(0x%lx, %d) returns %%%d\n", (long)node, nprocs,
+ TRACE(("makejob(%d) returns %%%d\n", nprocs,
jobno(jp)));
return jp;
}
@@ -4484,7 +4485,7 @@ static void closescript(void);
/* Called after fork(), in child */
static void
-forkchild(struct job *jp, union node *n, int mode)
+forkchild(struct job *jp, /*union node *n,*/ int mode)
{
int oldlvl;
@@ -4584,7 +4585,7 @@ forkshell(struct job *jp, union node *n, int mode)
ash_msg_and_raise_error("cannot fork");
}
if (pid == 0)
- forkchild(jp, n, mode);
+ forkchild(jp, /*n,*/ mode);
else
forkparent(jp, n, mode, pid);
return pid;
@@ -5371,7 +5372,7 @@ evalbackcmd(union node *n, struct backcmd *result)
if (pipe(pip) < 0)
ash_msg_and_raise_error("pipe call failed");
- jp = makejob(n, 1);
+ jp = makejob(/*n,*/ 1);
if (forkshell(jp, n, FORK_NOJOB) == 0) {
FORCE_INT_ON;
close(pip[0]);
@@ -5668,7 +5669,7 @@ argstr(char *p, int flag, struct strlist *var_str_list)
}
static char *
-scanleft(char *startp, char *rmesc, char *rmescend, char *str, int quotes,
+scanleft(char *startp, char *rmesc, char *rmescend ATTRIBUTE_UNUSED, char *str, int quotes,
int zero)
{
char *loc;
@@ -6407,7 +6408,7 @@ expsort(struct strlist *str)
}
static void
-expandmeta(struct strlist *str, int flag)
+expandmeta(struct strlist *str /*, int flag*/)
{
static const char metachars[] ALIGN1 = {
'*', '?', '[', 0
@@ -6488,7 +6489,7 @@ expandarg(union node *arg, struct arglist *arglist, int flag)
ifsbreakup(p, &exparg);
*exparg.lastp = NULL;
exparg.lastp = &exparg.list;
- expandmeta(exparg.list, flag);
+ expandmeta(exparg.list /*, flag*/);
} else {
if (flag & EXP_REDIR) /*XXX - for now, just remove escapes */
rmescapes(p);
@@ -6838,7 +6839,7 @@ addcmdentry(char *name, struct cmdentry *entry)
}
static int
-hashcmd(int argc, char **argv)
+hashcmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
struct tblentry **pp;
struct tblentry *cmdp;
@@ -7139,7 +7140,7 @@ describe_command(char *command, int describe_command_verbose)
}
static int
-typecmd(int argc, char **argv)
+typecmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
int i = 1;
int err = 0;
@@ -7150,7 +7151,7 @@ typecmd(int argc, char **argv)
i++;
verbose = 0;
}
- while (i < argc) {
+ while (argv[i]) {
err |= describe_command(argv[i++], verbose);
}
return err;
@@ -7158,7 +7159,7 @@ typecmd(int argc, char **argv)
#if ENABLE_ASH_CMDCMD
static int
-commandcmd(int argc, char **argv)
+commandcmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
int c;
enum {
@@ -7768,7 +7769,7 @@ evalsubshell(union node *n, int flags)
if (!backgnd && flags & EV_EXIT && !trap[0])
goto nofork;
INT_OFF;
- jp = makejob(n, 1);
+ jp = makejob(/*n,*/ 1);
if (forkshell(jp, n, backgnd) == 0) {
INT_ON;
flags |= EV_EXIT;
@@ -7843,7 +7844,7 @@ evalpipe(union node *n, int flags)
pipelen++;
flags |= EV_EXIT;
INT_OFF;
- jp = makejob(n, pipelen);
+ jp = makejob(/*n,*/ pipelen);
prevfd = -1;
for (lp = n->npipe.cmdlist; lp; lp = lp->next) {
prehash(lp->n);
@@ -8098,7 +8099,7 @@ mklocal(char *name)
* The "local" command.
*/
static int
-localcmd(int argc, char **argv)
+localcmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
char *name;
@@ -8110,21 +8111,21 @@ localcmd(int argc, char **argv)
}
static int
-falsecmd(int argc, char **argv)
+falsecmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
return 1;
}
static int
-truecmd(int argc, char **argv)
+truecmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
return 0;
}
static int
-execcmd(int argc, char **argv)
+execcmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
- if (argc > 1) {
+ if (argv[1]) {
iflag = 0; /* exit on error */
mflag = 0;
optschanged();
@@ -8137,7 +8138,7 @@ execcmd(int argc, char **argv)
* The return command.
*/
static int
-returncmd(int argc, char **argv)
+returncmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
/*
* If called outside a function, do what ksh does;
@@ -8296,7 +8297,7 @@ isassignment(const char *p)
return *q == '=';
}
static int
-bltincmd(int argc, char **argv)
+bltincmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
/* Preserve exitstatus of a previous possible redirection
* as POSIX mandates */
@@ -8466,7 +8467,7 @@ evalcommand(union node *cmd, int flags)
/* Fork off a child process if necessary. */
if (!(flags & EV_EXIT) || trap[0]) {
INT_OFF;
- jp = makejob(cmd, 1);
+ jp = makejob(/*cmd,*/ 1);
if (forkshell(jp, cmd, FORK_FG) != 0) {
exitstatus = waitforjob(jp);
INT_ON;
@@ -8596,9 +8597,9 @@ prehash(union node *n)
* in the standard shell so we don't make it one here.
*/
static int
-breakcmd(int argc, char **argv)
+breakcmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
- int n = argc > 1 ? number(argv[1]) : 1;
+ int n = argv[1] ? number(argv[1]) : 1;
if (n <= 0)
ash_msg_and_raise_error(illnum, argv[1]);
@@ -9095,7 +9096,7 @@ chkmail(void)
}
static void
-changemail(const char *val)
+changemail(const char *val ATTRIBUTE_UNUSED)
{
mail_var_path_changed = 1;
}
@@ -9247,13 +9248,13 @@ options(int cmdline)
* The shift builtin command.
*/
static int
-shiftcmd(int argc, char **argv)
+shiftcmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
int n;
char **ap1, **ap2;
n = 1;
- if (argc > 1)
+ if (argv[1])
n = number(argv[1]);
if (n > shellparam.nparam)
ash_msg_and_raise_error("can't shift that many");
@@ -9308,11 +9309,11 @@ showvars(const char *sep_prefix, int on, int off)
* The set command builtin.
*/
static int
-setcmd(int argc, char **argv)
+setcmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
int retval;
- if (argc == 1)
+ if (!argv[1])
return showvars(nullstr, 0, VUNSET);
INT_OFF;
retval = 1;
@@ -11015,20 +11016,19 @@ evalstring(char *s, int mask)
* The eval command.
*/
static int
-evalcmd(int argc, char **argv)
+evalcmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
char *p;
char *concat;
- char **ap;
- if (argc > 1) {
+ if (argv[1]) {
p = argv[1];
- if (argc > 2) {
+ argv += 2;
+ if (argv[0]) {
STARTSTACKSTR(concat);
- ap = argv + 2;
for (;;) {
concat = stack_putstr(p, concat);
- p = *ap++;
+ p = *argv++;
if (p == NULL)
break;
STPUTC(' ', concat);
@@ -11139,16 +11139,15 @@ dotcmd(int argc, char **argv)
for (sp = cmdenviron; sp; sp = sp->next)
setvareq(ckstrdup(sp->text), VSTRFIXED | VTEXTFIXED);
- if (argc >= 2) { /* That's what SVR2 does */
- char *fullname;
-
- fullname = find_dot_file(argv[1]);
-
- if (argc > 2) {
+ if (argv[1]) { /* That's what SVR2 does */
+ char *fullname = find_dot_file(argv[1]);
+ argv += 2;
+ argc -= 2;
+ if (argc) { /* argc > 0, argv[0] != NULL */
saveparam = shellparam;
shellparam.malloced = 0;
- shellparam.nparam = argc - 2;
- shellparam.p = argv + 2;
+ shellparam.nparam = argc;
+ shellparam.p = argv;
};
setinputfile(fullname, INPUT_PUSH_FILE);
@@ -11156,7 +11155,7 @@ dotcmd(int argc, char **argv)
cmdloop(0);
popfile();
- if (argc > 2) {
+ if (argc) {
freeparam(&shellparam);
shellparam = saveparam;
};
@@ -11166,11 +11165,11 @@ dotcmd(int argc, char **argv)
}
static int
-exitcmd(int argc, char **argv)
+exitcmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
if (stoppedjobs())
return 0;
- if (argc > 1)
+ if (argv[1])
exitstatus = number(argv[1]);
raise_exception(EXEXIT);
/* NOTREACHED */
@@ -11404,7 +11403,7 @@ find_command(char *name, struct cmdentry *entry, int act, const char *path)
* The trap builtin.
*/
static int
-trapcmd(int argc, char **argv)
+trapcmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
char *action;
char **ap;
@@ -11457,7 +11456,7 @@ trapcmd(int argc, char **argv)
* Lists available builtins
*/
static int
-helpcmd(int argc, char **argv)
+helpcmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
int col, i;
@@ -11492,7 +11491,7 @@ helpcmd(int argc, char **argv)
* The export and readonly commands.
*/
static int
-exportcmd(int argc, char **argv)
+exportcmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
struct var *vp;
char *name;
@@ -11543,7 +11542,7 @@ unsetfunc(const char *name)
* with the same name.
*/
static int
-unsetcmd(int argc, char **argv)
+unsetcmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
char **ap;
int i;
@@ -11581,7 +11580,7 @@ static const unsigned char timescmd_str[] ALIGN1 = {
};
static int
-timescmd(int ac, char **av)
+timescmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
long clk_tck, s, t;
const unsigned char *p;
@@ -11633,17 +11632,16 @@ dash_arith(const char *s)
* Copyright (C) 2003 Vladimir Oleynik <dzo@simtreas.ru>
*/
static int
-letcmd(int argc, char **argv)
+letcmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
- char **ap;
- arith_t i = 0;
+ arith_t i;
- ap = argv + 1;
- if (!*ap)
+ argv++;
+ if (!*argv)
ash_msg_and_raise_error("expression expected");
- for (ap = argv + 1; *ap; ap++) {
- i = dash_arith(*ap);
- }
+ do {
+ i = dash_arith(*argv);
+ } while (*++argv);
return !i;
}
@@ -11668,7 +11666,7 @@ typedef enum __rlimit_resource rlim_t;
* This uses unbuffered input, which may be avoidable in some cases.
*/
static int
-readcmd(int argc, char **argv)
+readcmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
char **ap;
int backslash;
@@ -11859,7 +11857,7 @@ readcmd(int argc, char **argv)
}
static int
-umaskcmd(int argc, char **argv)
+umaskcmd(int argc ATTRIBUTE_UNUSED, char **argv)
{
static const char permuser[3] ALIGN1 = "ugo";
static const char permmode[3] ALIGN1 = "rwx";
@@ -12034,7 +12032,7 @@ printlim(enum limtype how, const struct rlimit *limit,
}
static int
-ulimitcmd(int argc, char **argv)
+ulimitcmd(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
int c;
rlim_t val = 0;
@@ -12868,7 +12866,7 @@ init(void)
* Process the shell command line arguments.
*/
static void
-procargs(int argc, char **argv)
+procargs(char **argv)
{
int i;
const char *xminusc;
@@ -12876,7 +12874,7 @@ procargs(int argc, char **argv)
xargv = argv;
arg0 = xargv[0];
- if (argc > 0)
+ /* if (xargv[0]) - mmm, this is always true! */
xargv++;
for (i = 0; i < NOPTS; i++)
optlist[i] = 2;
@@ -12976,7 +12974,7 @@ extern int etext();
* is used to figure out how far we had gotten.
*/
int ash_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int ash_main(int argc, char **argv)
+int ash_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
char *shinit;
volatile int state;
@@ -13039,7 +13037,8 @@ int ash_main(int argc, char **argv)
#endif
init();
setstackmark(&smark);
- procargs(argc, argv);
+ procargs(argv);
+
#if ENABLE_FEATURE_EDITING_SAVEHISTORY
if (iflag) {
const char *hp = lookupvar("HISTFILE");
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-23 04:54:08 +0000