ash: cosmetic fixes, no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/shell/ash.c b/shell/ash.c
index dcac4fe..6befe0f 100644 (file)
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -5687,7 +5687,7 @@ removerecordregions(int endoff)
                return;
 
        if (ifsfirst.endoff > endoff) {
-               while (ifsfirst.next != NULL) {
+               while (ifsfirst.next) {
                        struct ifsregion *ifsp;
                        INT_OFF;
                        ifsp = ifsfirst.next->next;
@@ -5695,9 +5695,9 @@ removerecordregions(int endoff)
                        ifsfirst.next = ifsp;
                        INT_ON;
                }
-               if (ifsfirst.begoff > endoff)
+               if (ifsfirst.begoff > endoff) {
                        ifslastp = NULL;
-               else {
+               } else {
                        ifslastp = &ifsfirst;
                        ifsfirst.endoff = endoff;
                }
@@ -5706,8 +5706,8 @@ removerecordregions(int endoff)
 
        ifslastp = &ifsfirst;
        while (ifslastp->next && ifslastp->next->begoff < endoff)
-               ifslastp=ifslastp->next;
-       while (ifslastp->next != NULL) {
+               ifslastp = ifslastp->next;
+       while (ifslastp->next) {
                struct ifsregion *ifsp;
                INT_OFF;
                ifsp = ifslastp->next->next;
@@ -5884,9 +5884,9 @@ expbackq(union node *cmd, int quoted, int quotes)
 
        if (quoted == 0)
                recordregion(startloc, dest - (char *)stackblock(), 0);
-       TRACE(("evalbackq: size=%d: \"%.*s\"\n",
-               (dest - (char *)stackblock()) - startloc,
-               (dest - (char *)stackblock()) - startloc,
+       TRACE(("evalbackq: size:%d:'%.*s'\n",
+               (int)((dest - (char *)stackblock()) - startloc),
+               (int)((dest - (char *)stackblock()) - startloc),
                stackblock() + startloc));
 }
 
@@ -6105,42 +6105,16 @@ argstr(char *p, int flags, struct strlist *var_str_list)
 }
 
 static char *
-scanleft(char *startp, char *rmesc, char *rmescend UNUSED_PARAM, char *str, int quotes,
-       int zero)
-{
-// This commented out code was added by James Simmons <jsimmons@infradead.org>
-// as part of a larger change when he added support for ${var/a/b}.
-// However, it broke # and % operators:
-//
-//var=ababcdcd
-//                 ok       bad
-//echo ${var#ab}   abcdcd   abcdcd
-//echo ${var##ab}  abcdcd   abcdcd
-//echo ${var#a*b}  abcdcd   ababcdcd  (!)
-//echo ${var##a*b} cdcd     cdcd
-//echo ${var#?}    babcdcd  ababcdcd  (!)
-//echo ${var##?}   babcdcd  babcdcd
-//echo ${var#*}    ababcdcd babcdcd   (!)
-//echo ${var##*}
-//echo ${var%cd}   ababcd   ababcd
-//echo ${var%%cd}  ababcd   abab      (!)
-//echo ${var%c*d}  ababcd   ababcd
-//echo ${var%%c*d} abab     ababcdcd  (!)
-//echo ${var%?}    ababcdc  ababcdc
-//echo ${var%%?}   ababcdc  ababcdcd  (!)
-//echo ${var%*}    ababcdcd ababcdcd
-//echo ${var%%*}
-//
-// Commenting it back out helped. Remove it completely if it really
-// is not needed.
-
-       char *loc, *loc2; //, *full;
+scanleft(char *startp, char *rmesc, char *rmescend UNUSED_PARAM,
+               char *pattern, int quotes, int zero)
+{
+       char *loc, *loc2;
        char c;
 
        loc = startp;
        loc2 = rmesc;
        do {
-               int match; // = strlen(str);
+               int match;
                const char *s = loc2;
 
                c = *loc2;
@@ -6148,35 +6122,22 @@ scanleft(char *startp, char *rmesc, char *rmescend UNUSED_PARAM, char *str, int
                        *loc2 = '\0';
                        s = rmesc;
                }
-               match = pmatch(str, s); // this line was deleted
-
-//             // chop off end if its '*'
-//             full = strrchr(str, '*');
-//             if (full && full != str)
-//                     match--;
-//
-//             // If str starts with '*' replace with s.
-//             if ((*str == '*') && strlen(s) >= match) {
-//                     full = xstrdup(s);
-//                     strncpy(full+strlen(s)-match+1, str+1, match-1);
-//             } else
-//                     full = xstrndup(str, match);
-//             match = strncmp(s, full, strlen(full));
-//             free(full);
-//
+               match = pmatch(pattern, s);
+
                *loc2 = c;
-               if (match) // if (!match)
+               if (match)
                        return loc;
                if (quotes && (unsigned char)*loc == CTLESC)
                        loc++;
                loc++;
                loc2++;
        } while (c);
-       return 0;
+       return NULL;
 }
 
 static char *
-scanright(char *startp, char *rmesc, char *rmescend, char *pattern, int quotes, int match_at_start)
+scanright(char *startp, char *rmesc, char *rmescend,
+               char *pattern, int quotes, int match_at_start)
 {
 #if !ENABLE_ASH_OPTIMIZE_FOR_SIZE
        int try2optimize = match_at_start;
@@ -6242,7 +6203,7 @@ scanright(char *startp, char *rmesc, char *rmescend, char *pattern, int quotes,
                        }
                }
        }
-       return 0;
+       return NULL;
 }
 
 static void varunset(const char *, const char *, const char *, int) NORETURN;
@@ -6262,7 +6223,7 @@ varunset(const char *end, const char *var, const char *umsg, int varflags)
                        msg = umsg;
                }
        }
-       ash_msg_and_raise_error("%.*s: %s%s", end - var - 1, var, msg, tail);
+       ash_msg_and_raise_error("%.*s: %s%s", (int)(end - var - 1), var, msg, tail);
 }
 
 #if ENABLE_ASH_BASH_COMPAT