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comparison src/dumper.c @ 4137:1ce0622a56a3

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[xemacs-hg @ 2007-08-22 15:10:10 by aidan] Patch from Nix; fix buffer overrun in pdump_load() See 87y7r4lzwf.fsf@hades.wkstn.nix , also http://calypso.tux.org/pipermail/xemacs-patches/2006-October/000017.html for explanation
author aidan
date Wed, 22 Aug 2007 15:10:19 +0000
parents a4917b3c97cc
children 1a14c304cb8e
comparison
equal deleted inserted replaced
4136:db22824aa020 4137:1ce0622a56a3
2657 { 2657 {
2658 Wexttext *wexe = MULTIBYTE_TO_WEXTTEXT ((Extbyte *) exe_path); 2658 Wexttext *wexe = MULTIBYTE_TO_WEXTTEXT ((Extbyte *) exe_path);
2659 wext_strcpy (exe_path, wexe); 2659 wext_strcpy (exe_path, wexe);
2660 } 2660 }
2661 #else /* !WIN32_NATIVE */ 2661 #else /* !WIN32_NATIVE */
2662 Wexttext *exe_path; 2662 Wexttext exe_path[PATH_MAX_EXTERNAL];
2663 Wexttext *w; 2663 Wexttext *w;
2664 const Wexttext *dir, *p; 2664 const Wexttext *dir, *p;
2665 2665
2666 #ifdef DUMP_IN_EXEC 2666 #ifdef DUMP_IN_EXEC
2667 if (pdump_ram_try ()) 2667 if (pdump_ram_try ())
2691 p--; 2691 p--;
2692 2692
2693 if (p != dir) 2693 if (p != dir)
2694 { 2694 {
2695 /* invocation-name includes a directory component -- presumably it 2695 /* invocation-name includes a directory component -- presumably it
2696 is relative to cwd, not $PATH */ 2696 is relative to cwd, not $PATH. */
2697 exe_path = alloca_array (Wexttext, 1 + wext_strlen (dir));
2698 wext_strcpy (exe_path, dir); 2697 wext_strcpy (exe_path, dir);
2699 } 2698 }
2700 else 2699 else
2701 { 2700 {
2702 const Wexttext *path = wext_getenv ("PATH"); /* not egetenv -- 2701 const Wexttext *path = wext_getenv ("PATH"); /* not egetenv --
2703 not yet init. */ 2702 not yet init. */
2704 const Wexttext *name = p; 2703 const Wexttext *name = p;
2705 exe_path = alloca_array (Wexttext,
2706 10 + max (wext_strlen (name),
2707 wext_strlen (path)));
2708 for (;;) 2704 for (;;)
2709 { 2705 {
2710 p = path; 2706 p = path;
2711 while (*p && *p != SEPCHAR) 2707 while (*p && *p != SEPCHAR)
2712 p++; 2708 p++;