X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/f02de746f64f0879e1d8dc754293a121b686646b..8699f1cc:/sbr/m_mktemp.c?ds=inline

diff --git a/sbr/m_mktemp.c b/sbr/m_mktemp.c
index 17cf7458..d4b8fde0 100644
--- a/sbr/m_mktemp.c
+++ b/sbr/m_mktemp.c
@@ -1,5 +1,4 @@
-/*
- * m_mktemp.c -- Construct a temporary file.
+/* m_mktemp.c -- Construct a temporary file.
  *
  * This code is Copyright (c) 2010, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for
@@ -9,6 +8,8 @@
 #include <h/mh.h>
 #include <h/utils.h>
 #include <h/signals.h>
+#include "m_maildir.h"
+#include "m_mktemp.h"
 
 static void register_for_removal(const char *);
 
@@ -155,10 +156,9 @@ m_mktemps(
 
     if (suffix == NULL) {
         if ((tmpfil = m_mktemp2(NULL, pfx_in, fd_ret, fp_ret))) {
-            return add(tmpfil, NULL);
-        } else {
-            return NULL;
+            return mh_xstrdup(tmpfil);
         }
+        return NULL;
     }
 
 #if HAVE_MKSTEMPS
@@ -170,7 +170,7 @@ m_mktemps(
 
     fd = mkstemps(tmpfil, (int) strlen(suffix));
 #else  /* ! HAVE_MKSTEMPS */
-    /* Solaris 10, e.g. */
+    /* NetBSD, Solaris 10 */
 
     if (pfx_in == NULL) {
         tmpfil = concat(get_temp_dir(), "/nmhXXXXXX", NULL);
@@ -181,31 +181,15 @@ m_mktemps(
     fd = mkstemp(tmpfil);
     {
         char *oldfilename = tmpfil;
-
         tmpfil = concat(oldfilename, suffix, NULL);
 
-        /* link(2) requires that the new path not exist.  And if we
-           have to resort to rename(2), at least try to remove a file
-           that would be in the way. */
-        if (unlink(tmpfil) != 0  &&  errno != ENOENT) {
-            advise("unlink", "Failed to unlink \"%s\"", tmpfil);
-            (void) unlink(oldfilename);
-            free(oldfilename);
-            free(tmpfil);
-            return NULL;
-        }
-
-        /* link() doesn't always work, such as on Windows FAT
-           filesystems.  If it fails, try rename(). */
-        if (link(oldfilename, tmpfil) != 0  &&
-            rename(oldfilename, tmpfil) != 0) {
+        if (rename(oldfilename, tmpfil) != 0) {
             (void) unlink(oldfilename);
             free(oldfilename);
             free(tmpfil);
             return NULL;
         }
 
-        (void) unlink(oldfilename);
         free(oldfilename);
     }
 #endif /* ! HAVE_MKSTEMPS */
@@ -246,7 +230,7 @@ m_mktemps(
 
 
 char *
-get_temp_dir()
+get_temp_dir(void)
 {
     /* Ignore envvars if we are setuid */
     if ((getuid()==geteuid()) && (getgid()==getegid())) {
@@ -274,7 +258,7 @@ static svector_t exit_filelist = NULL;
 static void
 register_for_removal(const char *pathname) {
     if (exit_filelist == NULL) exit_filelist = svector_create(20);
-    (void) svector_push_back(exit_filelist, add(pathname, NULL));
+    (void) svector_push_back(exit_filelist, mh_xstrdup(pathname));
 }
 
 /*
@@ -337,7 +321,7 @@ m_unlink(const char *pathname) {
  * Remove all registered temporary files.
  */
 void
-remove_registered_files_atexit() {
+remove_registered_files_atexit(void) {
     unregister_for_removal(1);
 }
 
@@ -371,13 +355,13 @@ remove_registered_files(int sig) {
 
         exit(1);
     } else {
+        remove_registered_files_atexit();
+
         act.sa_handler = SIG_DFL;
         (void) sigemptyset(&act.sa_mask);
         act.sa_flags = 0;
         (void) sigaction(sig, &act, 0);
 
-        remove_registered_files_atexit();
-
         (void) raise(sig);
     }
 }