X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Funexcw.c;h=81a38b19868222aad82fc00396e6e96b991a8e1d;hb=4722bc54af41d050cb2bf24670d152f3fb0547b7;hp=1b8ad088a985f2b58d6ddf77d84866f42f646c94;hpb=02f4d2761a98c5cb9d5b423d2361160a5d8c9ee4;p=chise%2Fxemacs-chise.git.1

diff --git a/src/unexcw.c b/src/unexcw.c
index 1b8ad08..81a38b1 100644
--- a/src/unexcw.c
+++ b/src/unexcw.c
@@ -54,6 +54,7 @@ unexec (char *, char *, void *, void *,	void *)
 #include <a.out.h>
 #endif
 
+#define STACK_SIZE 0x800000
 #define ALLOC_UNIT 0xFFFF
 #define ALLOC_MASK ~((unsigned long)(ALLOC_UNIT))
 #define ALIGN_ALLOC(addr) \
@@ -340,6 +341,9 @@ copy_executable_and_dump_data_section (int a_out, int a_new)
     }
   f_ohdr.dsize=new_data_size;
   f_ohdr.bsize=BSS_PAD_SIZE;
+  /* Prevent stack overflow with regexp usage. */
+  f_ohdr.SizeOfStackReserve = STACK_SIZE;
+
   if (write(a_new, &f_ohdr, sizeof(f_ohdr)) != sizeof(f_ohdr))
     {
       PERROR("failed to write optional header");