X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/37d2e431f35492c14510f9960cac94c2f21b6ecb..35e1f9d9fcbaab51808e05f514e63927f959ae51:/src/unexaix.c

diff --git a/src/unexaix.c b/src/unexaix.c
index 44a824b8c1..fd36e4a73a 100644
--- a/src/unexaix.c
+++ b/src/unexaix.c
@@ -1,5 +1,5 @@
 /* Dump an executable image.
-   Copyright (C) 1985-1988, 1999, 2001-2013 Free Software Foundation,
+   Copyright (C) 1985-1988, 1999, 2001-2014 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
@@ -42,6 +42,7 @@ what you give them.   Help stamp out software-hoarding!  */
 
 #include <config.h>
 #include "unexec.h"
+#include "lisp.h"
 
 #define PERROR(file) report_error (file, new)
 #include <a.out.h>
@@ -54,7 +55,6 @@ what you give them.   Help stamp out software-hoarding!  */
 #include <inttypes.h>
 #include <stdarg.h>
 #include <stdio.h>
-#include <sys/stat.h>
 #include <errno.h>
 #include <unistd.h>
 #include <fcntl.h>
@@ -93,13 +93,10 @@ static int pagemask;
 static _Noreturn void
 report_error (const char *file, int fd)
 {
+  int err = errno;
   if (fd)
-    {
-      int failed_errno = errno;
-      close (fd);
-      errno = failed_errno;
-    }
-  report_file_error ("Cannot unexec", Fcons (build_string (file), Qnil));
+    emacs_close (fd);
+  report_file_errno ("Cannot unexec", build_string (file), err);
 }
 
 #define ERROR0(msg) report_error_1 (new, msg)
@@ -110,7 +107,7 @@ static _Noreturn void ATTRIBUTE_FORMAT_PRINTF (2, 3)
 report_error_1 (int fd, const char *msg, ...)
 {
   va_list ap;
-  close (fd);
+  emacs_close (fd);
   va_start (ap, msg);
   verror (msg, ap);
   va_end (ap);
@@ -132,11 +129,11 @@ unexec (const char *new_name, const char *a_name)
 {
   int new = -1, a_out = -1;
 
-  if (a_name && (a_out = open (a_name, O_RDONLY)) < 0)
+  if (a_name && (a_out = emacs_open (a_name, O_RDONLY, 0)) < 0)
     {
       PERROR (a_name);
     }
-  if ((new = creat (new_name, 0666)) < 0)
+  if ((new = emacs_open (new_name, O_WRONLY | O_CREAT | O_TRUNC, 0777)) < 0)
     {
       PERROR (new_name);
     }
@@ -147,14 +144,13 @@ unexec (const char *new_name, const char *a_name)
       || adjust_lnnoptrs (new, a_out, new_name) < 0
       || unrelocate_symbols (new, a_out, a_name, new_name) < 0)
     {
-      close (new);
+      emacs_close (new);
       return;
     }
 
-  close (new);
+  emacs_close (new);
   if (a_out >= 0)
-    close (a_out);
-  mark_x (new_name);
+    emacs_close (a_out);
 }
 
 /* ****************************************************************
@@ -381,7 +377,7 @@ copy_text_and_data (int new)
   char *ptr;
 
   lseek (new, text_scnptr, SEEK_SET);
-  ptr = _text + text_scnptr;
+  ptr = _text;
   end = ptr + f_ohdr.tsize;
   write_segment (new, ptr, end);
 
@@ -468,29 +464,6 @@ copy_sym (int new, int a_out, const char *a_name, const char *new_name)
   return 0;
 }
 
-/* ****************************************************************
- * mark_x
- *
- * After successfully building the new a.out, mark it executable
- */
-static void
-mark_x (const char *name)
-{
-  struct stat sbuf;
-  int um;
-  int new = 0;  /* for PERROR */
-
-  um = umask (777);
-  umask (um);
-  if (stat (name, &sbuf) == -1)
-    {
-      PERROR (name);
-    }
-  sbuf.st_mode |= 0111 & ~um;
-  if (chmod (name, sbuf.st_mode) == -1)
-    PERROR (name);
-}
-
 static int
 adjust_lnnoptrs (int writedesc, int readdesc, const char *new_name)
 {
@@ -503,7 +476,7 @@ adjust_lnnoptrs (int writedesc, int readdesc, const char *new_name)
   if (!lnnoptr || !f_hdr.f_symptr)
     return 0;
 
-  if ((new = open (new_name, O_RDWR)) < 0)
+  if ((new = emacs_open (new_name, O_RDWR, 0)) < 0)
     {
       PERROR (new_name);
       return -1;
@@ -533,7 +506,7 @@ adjust_lnnoptrs (int writedesc, int readdesc, const char *new_name)
             }
 	}
     }
-  close (new);
+  emacs_close (new);
 
   return 0;
 }
@@ -608,7 +581,7 @@ unrelocate_symbols (int new, int a_out,
 	      PERROR (a_name);
 	    }
 
-          p = (int *) (ldrel.l_vaddr + d_reloc);
+          p = (int *) (intptr_t) (ldrel.l_vaddr + d_reloc);
 
 	  switch (ldrel.l_symndx) {
 	  case SYMNDX_TEXT: