src/util.c

   1 /* logjam - a GTK client for LiveJournal.
   2  * Copyright (C) 2000-2003 Evan Martin <evan@livejournal.com>
   3  *
   4  * vim: tabstop=4 shiftwidth=4 noexpandtab :
   5  */
   6
   7 #include "glib-all.h"
   8 #include <stdio.h>
   9 #include <ctype.h>
  10 #include <time.h>
  11
  12 #include <stdlib.h>
  13 #include <sys/stat.h>
  14 #include <sys/types.h>
  15 #include <errno.h>
  16 #include <string.h>
  17
  18 #include "util.h"
  19
  20 void
  21 string_replace(char **dest, char *src) {
  22   if (*dest) g_free(*dest);
  23   *dest = src;
  24 }
  25
  26 gboolean
  27 verify_dir(const char *path, GError **err) {
  28   /* mode 0700 so other people can't peek at passwords! */
  29   if (mkdir(path, 0700) < 0 && errno != EEXIST) {
  30     g_set_error(err, 0, 0, /* FIXME domain */
  31         _("Failed to create directory '%s': %s"),
  32         path, g_strerror(errno));
  33     return FALSE;
  34   }
  35   return TRUE;
  36 }
  37
  38 gboolean
  39 verify_path(char *path, int include_last, GError **err) {
  40   int i, len, reallen;
  41
  42   len = reallen = (int)strlen(path);
  43   if (!include_last) {
  44     for (i = len-1; i > 0; i--)
  45       if (path[i] == G_DIR_SEPARATOR)
  46         break;
  47     if (i > 0) {
  48       len = i;
  49       path[len] = 0;
  50     }
  51   }
  52   /* the common case is that the path already exists. */
  53   if (!verify_dir(path, NULL)) {
  54     /* otherwise, start creating parent directories until we succeed. */
  55     for (i = len-1; i > 0; i--) {
  56       if (path[i] == G_DIR_SEPARATOR) {
  57         path[i] = 0;
  58         if (verify_dir(path, NULL)) {
  59           path[i] = G_DIR_SEPARATOR;
  60           break;
  61         }
  62         path[i] = G_DIR_SEPARATOR;
  63       }
  64     }
  65     /* once a parent dir succeeded, create the subdirectories we needed. */
  66     i++;
  67     for ( ; i < len; i++) {
  68       if (path[i] == G_DIR_SEPARATOR) {
  69         path[i] = 0;
  70         if (!verify_dir(path, err))
  71           return FALSE;
  72         path[i] = G_DIR_SEPARATOR;
  73       }
  74     }
  75     if (!verify_dir(path, err))
  76       return FALSE;
  77   }
  78   if (!include_last)
  79     path[len] = G_DIR_SEPARATOR;
  80   return TRUE;
  81 }
  82
  83 void
  84 xml_escape(char **text) {
  85   char *esc;
  86   if (!text || !*text)
  87     return;
  88   esc = g_markup_escape_text(*text, -1);
  89   g_free(*text);
  90   *text = esc;
  91 }