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[software/mutt-debian.git] / lib.c

diff --git a/lib.c b/lib.c
index 4dfd5dbcc70f81ce5ce7e94c76d483843afec1ab..c1f124ec9ba34ef58493ac43030f95abd6ac0df9 100644 (file)
--- a/lib.c
+++ b/lib.c
@@ -1,6 +1,6 @@
 /*
- * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
- * Copyright (C) 1999-2000 Thomas Roessler <roessler@does-not-exist.org>
+ * Copyright (C) 1996-2000,2007 Michael R. Elkins <me@mutt.org>
+ * Copyright (C) 1999-2004,2006-7 Thomas Roessler <roessler@does-not-exist.org>
  * 
  *     This program is free software; you can redistribute it
  *     and/or modify it under the terms of the GNU General Public
@@ -41,6 +41,8 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <pwd.h>
+#include <sys/types.h>
+#include <dirent.h>
 
 #ifdef HAVE_SYSEXITS_H
 #include <sysexits.h>
@@ -209,6 +211,24 @@ int safe_fclose (FILE **f)
   return r;
 }
 
+int safe_fsync_close (FILE **f)
+{
+  int r = 0;
+
+  if (*f)
+  {
+    if (fflush (*f) || fsync (fileno (*f)))
+    {
+      r = -1;
+      safe_fclose (f);
+    }
+    else
+      r = safe_fclose (f);
+  }
+
+  return r;
+}
+
 char *safe_strdup (const char *s)
 {
   char *p;
@@ -324,7 +344,7 @@ void mutt_unlink (const char *s)
        fwrite (buf, 1, MIN (sizeof (buf), sb.st_size), f);
        sb.st_size -= MIN (sizeof (buf), sb.st_size);
       }
-      fclose (f);
+      safe_fclose (&f);
     }
   }
 }
@@ -522,7 +542,7 @@ int safe_rename (const char *src, const char *target)
 
 /* Create a temporary directory next to a file name */
 
-int mutt_mkwrapdir (const char *path, char *newfile, size_t nflen, 
+static int mutt_mkwrapdir (const char *path, char *newfile, size_t nflen, 
                    char *newdir, size_t ndlen)
 {
   const char *basename;
@@ -557,7 +577,47 @@ int mutt_mkwrapdir (const char *path, char *newfile, size_t nflen,
   return 0;  
 }
 
-int mutt_put_file_in_place (const char *path, const char *safe_file, const char *safe_dir)
+/* remove a directory and everything under it */
+int mutt_rmtree (const char* path)
+{
+  DIR* dirp;
+  struct dirent* de;
+  char cur[_POSIX_PATH_MAX];
+  struct stat statbuf;
+  int rc = 0;
+
+  if (!(dirp = opendir (path)))
+  {
+    dprint (1, (debugfile, "mutt_rmtree: error opening directory %s\n", path));
+    return -1;
+  }
+  while ((de = readdir (dirp)))
+  {
+    if (!strcmp (".", de->d_name) || !strcmp ("..", de->d_name))
+      continue;
+
+    snprintf (cur, sizeof (cur), "%s/%s", path, de->d_name);
+    /* XXX make nonrecursive version */
+
+    if (stat(cur, &statbuf) == -1)
+    {
+      rc = 1;
+      continue;
+    }
+
+    if (S_ISDIR (statbuf.st_mode))
+      rc |= mutt_rmtree (cur);
+    else
+      rc |= unlink (cur);
+  }
+  closedir (dirp);
+
+  rc |= rmdir (path);
+
+  return rc;
+}
+
+static int mutt_put_file_in_place (const char *path, const char *safe_file, const char *safe_dir)
 {
   int rv;
   
@@ -678,7 +738,7 @@ int mutt_rx_sanitize_string (char *dest, size_t destlen, const char *src)
  * If a line ends with "\", this char and the linefeed is removed,
  * and the next line is read too.
  */
-char *mutt_read_line (char *s, size_t *size, FILE *fp, int *line)
+char *mutt_read_line (char *s, size_t *size, FILE *fp, int *line, int flags)
 {
   size_t offset = 0;
   char *ch;
@@ -699,10 +759,12 @@ char *mutt_read_line (char *s, size_t *size, FILE *fp, int *line)
     if ((ch = strchr (s + offset, '\n')) != NULL)
     {
       (*line)++;
+      if (flags & M_EOL)
+       return s;
       *ch = 0;
       if (ch > s && *(ch - 1) == '\r')
        *--ch = 0;
-      if (ch == s || *(ch - 1) != '\\')
+      if (!(flags & M_CONT) || ch == s || *(ch - 1) != '\\')
        return s;
       offset = ch - s - 1;
     }
@@ -944,3 +1006,58 @@ mutt_strsysexit(int e)
   
   return sysexits_h[i].str;
 }
+
+int mutt_atos (const char *str, short *dst)
+{
+  int rc;
+  long res;
+  short tmp;
+  short *t = dst ? dst : &tmp;
+
+  *t = 0;
+
+  if ((rc = mutt_atol (str, &res)) < 0)
+    return rc;
+  if ((short) res != res)
+    return -2;
+
+  *t = (short) res;
+  return 0;
+}
+
+int mutt_atoi (const char *str, int *dst)
+{
+  int rc;
+  long res;
+  int tmp;
+  int *t = dst ? dst : &tmp;
+
+  *t = 0;
+
+  if ((rc = mutt_atol (str, &res)) < 0)
+    return rc;
+  if ((int) res != res)
+    return -2;
+
+  *t = (int) res;
+  return 0;
+}
+
+int mutt_atol (const char *str, long *dst)
+{
+  long r;
+  long *res = dst ? dst : &r;
+  char *e = NULL;
+
+  /* no input: 0 */
+  if (!str || !*str)
+  {
+    *res = 0;
+    return 0;
+  }
+
+  *res = strtol (str, &e, 10);
+  if (e && *e != '\0')
+    return -1;
+  return 0;
+}