src/misc.c

   1 /*
   2  * Geeqie
   3  * Copyright (C) 2008 - 2012 The Geeqie Team
   4  *
   5  * Authors: Vladimir Nadvornik / Laurent Monin
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12 #include "main.h"
  13 #include "misc.h"
  14
  15 gdouble get_zoom_increment(void)
  16 {
  17         return ((options->image.zoom_increment != 0) ? (gdouble)options->image.zoom_increment / 10.0 : 1.0);
  18 }
  19
  20 gchar *utf8_validate_or_convert(const gchar *text)
  21 {
  22         gint len;
  23
  24         if (!text) return NULL;
  25
  26         len = strlen(text);
  27         if (!g_utf8_validate(text, len, NULL))
  28                 return g_convert(text, len, "UTF-8", "ISO-8859-1", NULL, NULL, NULL);
  29
  30         return g_strdup(text);
  31 }
  32
  33 gint utf8_compare(const gchar *s1, const gchar *s2, gboolean case_sensitive)
  34 {
  35         gchar *s1_key, *s2_key;
  36         gchar *s1_t, *s2_t;
  37         gint ret;
  38
  39         g_assert(g_utf8_validate(s1, -1, NULL));
  40         g_assert(g_utf8_validate(s2, -1, NULL));
  41
  42         if (!case_sensitive)
  43                 {
  44                 s1_t = g_utf8_casefold(s1, -1);
  45                 s2_t = g_utf8_casefold(s2, -1);
  46                 }
  47         else
  48                 {
  49                 s1_t = (gchar *) s1;
  50                 s2_t = (gchar *) s2;
  51                 }
  52
  53         s1_key = g_utf8_collate_key(s1_t, -1);
  54         s2_key = g_utf8_collate_key(s2_t, -1);
  55
  56         ret = strcmp(s1_key, s2_key);
  57
  58         g_free(s1_key);
  59         g_free(s2_key);
  60
  61         if (!case_sensitive)
  62                 {
  63                 g_free(s1_t);
  64                 g_free(s2_t);
  65                 }
  66
  67         return ret;
  68 }
  69
  70 /* Borrowed from gtkfilesystemunix.c */
  71 gchar *expand_tilde(const gchar *filename)
  72 {
  73 #ifndef G_OS_UNIX
  74         return g_strdup(filename);
  75 #else
  76         const gchar *notilde;
  77         const gchar *slash;
  78         const gchar *home;
  79
  80         if (filename[0] != '~')
  81                 return g_strdup(filename);
  82
  83         notilde = filename + 1;
  84         slash = strchr(notilde, G_DIR_SEPARATOR);
  85         if (slash == notilde || !*notilde)
  86                 {
  87                 home = g_get_home_dir();
  88                 if (!home)
  89                         return g_strdup(filename);
  90                 }
  91         else
  92                 {
  93                 gchar *username;
  94                 struct passwd *passwd;
  95
  96                 if (slash)
  97                         username = g_strndup(notilde, slash - notilde);
  98                 else
  99                         username = g_strdup(notilde);
 100
 101                 passwd = getpwnam(username);
 102                 g_free(username);
 103
 104                 if (!passwd)
 105                         return g_strdup(filename);
 106
 107                 home = passwd->pw_dir;
 108                 }
 109
 110         if (slash)
 111                 return g_build_filename(home, G_DIR_SEPARATOR_S, slash + 1, NULL);
 112         else
 113                 return g_build_filename(home, G_DIR_SEPARATOR_S, NULL);
 114 #endif
 115 }
 116
 117
 118 /* Run a command like system() but may output debug messages. */
 119 int runcmd(gchar *cmd)
 120 {
 121 #if 1
 122         return system(cmd);
 123         return 0;
 124 #else
 125         /* For debugging purposes */
 126         int retval = -1;
 127         FILE *in;
 128
 129         DEBUG_1("Running command: %s", cmd);
 130
 131         in = popen(cmd, "r");
 132         if (in)
 133                 {
 134                 int status;
 135                 const gchar *msg;
 136                 gchar buf[2048];
 137
 138                 while (fgets(buf, sizeof(buf), in) != NULL )
 139                         {
 140                         DEBUG_1("Output: %s", buf);
 141                         }
 142
 143                 status = pclose(in);
 144
 145                 if (WIFEXITED(status))
 146                         {
 147                         msg = "Command terminated with exit code";
 148                         retval = WEXITSTATUS(status);
 149                         }
 150                 else if (WIFSIGNALED(status))
 151                         {
 152                         msg = "Command was killed by signal";
 153                         retval = WTERMSIG(status);
 154                         }
 155                 else
 156                         {
 157                         msg = "pclose() returned";
 158                         retval = status;
 159                         }
 160
 161                 DEBUG_1("%s : %d\n", msg, retval);
 162         }
 163
 164         return retval;
 165 #endif
 166 }
 167
 168
 169 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */