vodz, last patch 103

git-svn-id: svn://busybox.net/trunk/busybox@7278 69ca8d6d-28ef-0310-b511-8ec308f3f277

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");