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-rw-r--r--shell/ash.c109
1 files changed, 45 insertions, 64 deletions
diff --git a/shell/ash.c b/shell/ash.c
index 547ad906b..ec33a106c 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -1625,9 +1625,8 @@ static int fmtstr(char *, size_t, const char *, ...)
__attribute__((__format__(__printf__,3,4)));
static void xwrite(int, const void *, size_t);
+static int preverrout_fd; /* save fd2 before print debug if xflag is set. */
-#define outerr(f) ferror(f)
-#define out2c(c) outcslow((c), stderr)
static void out1str(const char *p)
{
@@ -1637,15 +1636,7 @@ static void out1str(const char *p)
static void out2str(const char *p)
{
outstr(p, stderr);
-}
-
-static void out1c(char c)
-{
- char s[2];
-
- s[0] = c;
- s[1] = 0;
- outstr(s, stdout);
+ flushout(stderr);
}
/*
@@ -1988,6 +1979,7 @@ static int nextopt(const char *);
/* flags passed to redirect */
#define REDIR_PUSH 01 /* save previous values of file descriptors */
+#define REDIR_SAVEFD2 03 /* set preverrout */
union node;
static void redirect(union node *, int);
@@ -2674,7 +2666,6 @@ static void evalcommand(union node *, int);
static int evalbltin(const struct builtincmd *, int, char **);
static int evalfun(struct funcnode *, int, char **, int);
static void prehash(union node *);
-static int eprintlist(struct strlist *, int);
static int bltincmd(int, char **);
@@ -2765,7 +2756,7 @@ evaltree(union node *n, int flags)
default:
#ifdef DEBUG
out1fmt("Node type = %d\n", n->type);
- flushout(stdout);
+ fflush(stdout);
break;
#endif
case NNOT:
@@ -3201,7 +3192,7 @@ evalcommand(union node *cmd, int flags)
struct arglist varlist;
char **argv;
int argc;
- struct strlist *sp;
+ const struct strlist *sp;
struct cmdentry cmdentry;
struct job *jp;
char *lastarg;
@@ -3244,8 +3235,9 @@ evalcommand(union node *cmd, int flags)
if (iflag && funcnest == 0 && argc > 0)
lastarg = nargv[-1];
+ preverrout_fd = 2;
expredir(cmd->ncmd.redirect);
- status = redirectsafe(cmd->ncmd.redirect, REDIR_PUSH);
+ status = redirectsafe(cmd->ncmd.redirect, REDIR_PUSH|REDIR_SAVEFD2);
path = vpath.text;
for (argp = cmd->ncmd.assign; argp; argp = argp->narg.next) {
@@ -3266,14 +3258,24 @@ evalcommand(union node *cmd, int flags)
/* Print the command if xflag is set. */
if (xflag) {
- int sep;
+ int n;
+ const char *p = " %s";
- out2str(ps4val());
- sep = 0;
- sep = eprintlist(varlist.list, sep);
- eprintlist(arglist.list, sep);
- out2c('\n');
- flushall();
+ p++;
+ dprintf(preverrout_fd, p, ps4val());
+
+ sp = varlist.list;
+ for(n = 0; n < 2; n++) {
+ while (sp) {
+ dprintf(preverrout_fd, p, sp->text);
+ sp = sp->next;
+ if(*p == '%') {
+ p--;
+ }
+ }
+ sp = arglist.list;
+ }
+ xwrite(preverrout_fd, "\n", 1);
}
cmd_is_exec = 0;
@@ -3418,7 +3420,7 @@ evalbltin(const struct builtincmd *cmd, int argc, char **argv) {
exitstatus = (*cmd->builtin)(argc, argv);
flushall();
cmddone:
- exitstatus |= outerr(stdout);
+ exitstatus |= ferror(stdout);
commandname = savecmdname;
exsig = 0;
handler = savehandler;
@@ -3588,20 +3590,6 @@ execcmd(int argc, char **argv)
}
-static int
-eprintlist(struct strlist *sp, int sep)
-{
- while (sp) {
- const char *p;
-
- p = " %s" + (1 - sep);
- sep |= 1;
- fprintf(stderr, p, sp->text);
- sp = sp->next;
- }
-
- return sep;
-}
/* $NetBSD: exec.c,v 1.35 2003/01/22 20:36:04 dsl Exp $ */
/*
@@ -3632,7 +3620,6 @@ static int builtinloc = -1; /* index in path of %builtin, or -1 */
static void tryexec(char *, char **, char **);
-static void printentry(struct tblentry *);
static void clearcmdentry(int);
static struct tblentry *cmdlookup(const char *, int);
static void delete_cmd_entry(void);
@@ -3797,9 +3784,24 @@ padvance(const char **path, const char *name)
}
-
/*** Command hashing code ***/
+static void
+printentry(struct tblentry *cmdp)
+{
+ int idx;
+ const char *path;
+ char *name;
+
+ idx = cmdp->param.index;
+ path = pathval();
+ do {
+ name = padvance(&path, cmdp->cmdname);
+ stunalloc(name);
+ } while (--idx >= 0);
+ out1fmt("%s%s\n", name, (cmdp->rehash ? "*" : nullstr));
+}
+
static int
hashcmd(int argc, char **argv)
@@ -3838,25 +3840,6 @@ hashcmd(int argc, char **argv)
}
-static void
-printentry(struct tblentry *cmdp)
-{
- int idx;
- const char *path;
- char *name;
-
- idx = cmdp->param.index;
- path = pathval();
- do {
- name = padvance(&path, cmdp->cmdname);
- stunalloc(name);
- } while (--idx >= 0);
- out1str(name);
- out1fmt(snlfmt, cmdp->rehash ? "*" : nullstr);
-}
-
-
-
/*
* Resolve a command name. If you change this routine, you may have to
* change the shellexec routine as well.
@@ -4401,7 +4384,7 @@ describe_command(char *command)
}
out:
- out1c('\n');
+ outstr("\n", stdout);
return 0;
}
@@ -6155,7 +6138,6 @@ check:
if (vflag) {
out2str(parsenextc);
- flushout(stderr);
}
*q = savec;
@@ -9208,9 +9190,8 @@ nextopt(const char *optstring)
return c;
}
-/* $NetBSD: output.c,v 1.27 2002/11/24 22:35:42 christos Exp $ */
-
+/* $NetBSD: output.c,v 1.27 2002/11/24 22:35:42 christos Exp $ */
void
outstr(const char *p, FILE *file)
@@ -9229,7 +9210,6 @@ flushall(void)
INTON;
}
-
void
flushout(FILE *dest)
{
@@ -11119,6 +11099,8 @@ redirect(union node *redir, int flags)
dupredirect(n, newfd);
} while ((n = n->nfile.next));
INTON;
+ if (flags & REDIR_SAVEFD2 && sv && sv->renamed[2] >= 0)
+ preverrout_fd = sv->renamed[2];
}
@@ -12544,7 +12526,6 @@ readcmd(int argc, char **argv)
}
if (prompt && isatty(0)) {
out2str(prompt);
- flushall();
}
if (*(ap = argptr) == NULL)
error("arg count");