Change to use $^O and &Cwd:cwd

[p5sagit/p5-mst-13.2.git] / doop.c

diff --git a/doop.c b/doop.c
index b189724..c906db7 100644 (file)
--- a/doop.c
+++ b/doop.c
@@ -32,22 +32,22 @@ SV *sv;
 OP *arg;
 {
     register short *tbl;
-    register char *s;
-    register I32 matches = 0;
+    register U8 *s;
+    register U8 *send;
+    register U8 *d;
     register I32 ch;
-    register char *send;
-    register char *d;
+    register I32 matches = 0;
     register I32 squash = op->op_private & OPpTRANS_SQUASH;
     STRLEN len;
 
     if (SvREADONLY(sv))
        croak(no_modify);
-    tbl = (short*) cPVOP->op_pv;
-    s = SvPV(sv, len);
+    tbl = (short*)cPVOP->op_pv;
+    s = (U8*)SvPV(sv, len);
     if (!len)
        return 0;
     if (!SvPOKp(sv))
-       s = SvPV_force(sv, len);
+       s = (U8*)SvPV_force(sv, len);
     (void)SvPOK_only(sv);
     send = s + len;
     if (!tbl || !s)
@@ -55,7 +55,7 @@ OP *arg;
     DEBUG_t( deb("2.TBL\n"));
     if (!op->op_private) {
        while (s < send) {
-           if ((ch = tbl[*s & 0377]) >= 0) {
+           if ((ch = tbl[*s]) >= 0) {
                matches++;
                *s = ch;
            }
@@ -65,7 +65,7 @@ OP *arg;
     else {
        d = s;
        while (s < send) {
-           if ((ch = tbl[*s & 0377]) >= 0) {
+           if ((ch = tbl[*s]) >= 0) {
                *d = ch;
                if (matches++ && squash) {
                    if (d[-1] == *d)
@@ -82,7 +82,7 @@ OP *arg;
        }
        matches += send - d;    /* account for disappeared chars */
        *d = '\0';
-       SvCUR_set(sv, d - SvPVX(sv));
+       SvCUR_set(sv, d - (U8*)SvPVX(sv));
     }
     SvSETMAGIC(sv);
     return matches;
@@ -319,6 +319,10 @@ register SV **sarg;
            }
            /* end of switch, copy results */
            *t = ch;
+           if (xs == buf && xlen >= sizeof(buf)) {     /* Ooops! */
+               fputs("panic: sprintf overflow - memory corrupted!\n",stderr);
+               my_exit(1);
+           }
            SvGROW(sv, SvCUR(sv) + (f - s) + xlen + 1 + pre + post);
            sv_catpvn(sv, s, f - s);
            if (pre) {
@@ -438,10 +442,13 @@ I32
 do_chomp(sv)
 register SV *sv;
 {
-    register I32 count = 0;
+    register I32 count;
     STRLEN len;
     char *s;
-    
+
+    if (RsSNARF(rs))
+       return 0;
+    count = 0;
     if (SvTYPE(sv) == SVt_PVAV) {
        register I32 i;
         I32 max;
@@ -468,7 +475,7 @@ register SV *sv;
        s = SvPV_force(sv, len);
     if (s && len) {
        s += --len;
-       if (rspara) {
+       if (RsPARA(rs)) {
            if (*s != '\n')
                goto nope;
            ++count;
@@ -478,21 +485,24 @@ register SV *sv;
                ++count;
            }
        }
-       else if (rslen == 1) {
-           if (*s != rschar)
-               goto nope;
-           ++count;
-       } 
        else {
-           if (len < rslen - 1)
-               goto nope;
-           len -= rslen - 1;
-           s -= rslen - 1;
-           if (bcmp(s, rs, rslen))
-               goto nope;
-           count += rslen;
+           STRLEN rslen;
+           char *rsptr = SvPV(rs, rslen);
+           if (rslen == 1) {
+               if (*s != *rsptr)
+                   goto nope;
+               ++count;
+           }
+           else {
+               if (len < rslen)
+                   goto nope;
+               len -= rslen - 1;
+               s -= rslen - 1;
+               if (bcmp(s, rsptr, rslen))
+                   goto nope;
+               count += rslen;
+           }
        }
-
        *s = '\0';
        SvCUR_set(sv, len);
        SvNIOK_off(sv);
@@ -530,7 +540,6 @@ SV *right;
        (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1);
     }
     SvCUR_set(sv, len);
-    *SvEND(sv) = '\0';
     (void)SvPOK_only(sv);
 #ifdef LIBERAL
     if (len >= sizeof(long)*4 &&
@@ -600,6 +609,8 @@ SV *right;
                sv_catpvn(sv, rsave + len, rightlen - len);
            else if (leftlen > len)
                sv_catpvn(sv, lsave + len, leftlen - len);
+           else
+               *SvEND(sv) = '\0';
            break;
        }
     }