Fix dynamic loading (and argv[0]) under AmigaOS

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

diff --git a/mg.c b/mg.c
index f1dc828..54ca044 100644 (file)
--- a/mg.c
+++ b/mg.c
@@ -20,7 +20,7 @@
 # include <unistd.h>
 #endif
 
-#ifdef HAS_GETGROUPS
+#if defined(HAS_GETGROUPS) || defined(HAS_SETGROUPS)
 #  ifndef NGROUPS
 #    define NGROUPS 32
 #  endif
@@ -307,7 +307,7 @@ MAGIC *mg;
            if (rx->subend && (s = rx->endp[0])) {
                i = rx->subend - s;
                if (i >= 0)
-                   return 0;
+                   return i;
            }
        }
        return 0;
@@ -1518,7 +1518,29 @@ MAGIC* mg;
        tainting |= (uid && (euid != uid || egid != gid));
        break;
     case ')':
+#ifdef HAS_SETGROUPS
+       {
+           char *p = SvPV(sv, na);
+           Groups_t gary[NGROUPS];
+
+           SET_NUMERIC_STANDARD();
+           while (isSPACE(*p))
+               ++p;
+           egid = I_V(atof(p));
+           for (i = 0; i < NGROUPS; ++i) {
+               while (*p && !isSPACE(*p))
+                   ++p;
+               while (isSPACE(*p))
+                   ++p;
+               if (!*p)
+                   break;
+               gary[i] = I_V(atof(p));
+           }
+           (void)setgroups(i, gary);
+       }
+#else  /* HAS_SETGROUPS */
        egid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+#endif /* HAS_SETGROUPS */
        if (delaymagic) {
            delaymagic |= DM_EGID;
            break;                              /* don't do magic till later */