ash: fix for buglet in DEBUG code (Nguyen Thai Ngoc Duy <pclouds@gmail.com>)

diff --git a/shell/ash.c b/shell/ash.c
index f33ff4d..bf0fd65 100644 (file)
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -840,23 +840,24 @@ shcmd(union node *cmd, FILE *fp)
 
        first = 1;
        for (np = cmd->ncmd.args; np; np = np->narg.next) {
-               if (! first)
-                       putchar(' ');
+               if (!first)
+                       putc(' ', fp);
                sharg(np, fp);
                first = 0;
        }
        for (np = cmd->ncmd.redirect; np; np = np->nfile.next) {
-               if (! first)
-                       putchar(' ');
+               if (!first)
+                       putc(' ', fp);
+               dftfd = 0;
                switch (np->nfile.type) {
-               case NTO:       s = ">";  dftfd = 1; break;
-               case NCLOBBER:  s = ">|"; dftfd = 1; break;
-               case NAPPEND:   s = ">>"; dftfd = 1; break;
-               case NTOFD:     s = ">&"; dftfd = 1; break;
-               case NFROM:     s = "<";  dftfd = 0; break;
-               case NFROMFD:   s = "<&"; dftfd = 0; break;
-               case NFROMTO:   s = "<>"; dftfd = 0; break;
-               default:        s = "*error*"; dftfd = 0; break;
+               case NTO:      s = ">>"+1; dftfd = 1; break;
+               case NCLOBBER: s = ">|"; dftfd = 1; break;
+               case NAPPEND:  s = ">>"; dftfd = 1; break;
+               case NTOFD:    s = ">&"; dftfd = 1; break;
+               case NFROM:    s = "<";  break;
+               case NFROMFD:  s = "<&"; break;
+               case NFROMTO:  s = "<>"; break;
+               default:       s = "*error*"; break;
                }
                if (np->nfile.fd != dftfd)
                        fprintf(fp, "%d", np->nfile.fd);
@@ -3774,7 +3775,7 @@ showjob(FILE *out, struct job *jp, int mode)
        struct procstat *ps;
        struct procstat *psend;
        int col;
-       int indent;
+       int indent_col;
        char s[80];
 
        ps = jp->ps;
@@ -3786,7 +3787,7 @@ showjob(FILE *out, struct job *jp, int mode)
        }
 
        col = fmtstr(s, 16, "[%d]   ", jobno(jp));
-       indent = col;
+       indent_col = col;
 
        if (jp == curjob)
                s[col - 2] = '+';
@@ -3812,7 +3813,7 @@ showjob(FILE *out, struct job *jp, int mode)
 
        do {
                /* for each process */
-               col = fmtstr(s, 48, " |\n%*c%d ", indent, ' ', ps->pid) - 3;
+               col = fmtstr(s, 48, " |\n%*c%d ", indent_col, ' ', ps->pid) - 3;
  start:
                fprintf(out, "%s%*c%s",
                        s, 33 - col >= 0 ? 33 - col : 0, ' ', ps->cmd