Ticket #307: __spawnve_arg0.diff

src/lib/sys/__spawnve.c

@@ -570 +578 @@
                     }
                 }
 
+                /* Squeeze the interpreter name into argv[0] */
+                cchPgmName = strlen(pszPgmName);
+
+                /* grow and shift the argument buffer. */
+                fQuote = strpbrk(pszPgmName, " \t") != NULL;
+                cch = cchPgmName + 1 + 2 * fQuote;
+                cbToMove = cbArgs; /* (ADD modifies cbArgs) */
+                ADD(cch);
+                psz = pszArgsBuf;
+                memmove(psz + cch, psz + strlen(psz) + 1, cbToMove);
+
+                /* interpreter name */
+                if (fQuote)
+                    *psz++ = '"';
+                memcpy(psz, pszPgmName, cchPgmName);
+                psz += cchPgmName;
+                if (fQuote)
+                    *psz++ = '"';
+                *psz = '\0';
+
                 /*
                  * Try execute it.
                  */