errno.h and Ubuntu 20.04
[geeqie.git] / src / misc.c
index ad90c1b..c117b68 100644 (file)
@@ -22,7 +22,9 @@
 #include "misc.h"
 #include "ui_fileops.h"
 
+#include <errno.h>
 #include <langinfo.h>
+#include <locale.h>
 
 gdouble get_zoom_increment(void)
 {
@@ -177,7 +179,7 @@ gchar *decode_geo_parameters(const gchar *input_text)
        gchar *message;
        gchar *dir;
 
-       message = decode_geo_script(GQ_BIN_DIR, input_text);
+       message = decode_geo_script(gq_bin_dir, input_text);
        if (strstr(message, "Error"))
                {
                g_free(message);
@@ -243,13 +245,32 @@ int runcmd(gchar *cmd)
  * @brief Returns integer representing first_day_of_week
  * @returns Integer in range 1 to 7
  * 
- * Uses current locale to get first day of week
+ * Uses current locale to get first day of week.
+ * If _NL_TIME_FIRST_WEEKDAY is not available, ISO 8601
+ * states first day of week is Monday.
+ * USA, Mexico and Canada (and others) use Sunday as first day of week.
  * 
  * Sunday == 1
  */
 gint date_get_first_day_of_week()
 {
+#ifdef HAVE__NL_TIME_FIRST_WEEKDAY
        return nl_langinfo(_NL_TIME_FIRST_WEEKDAY)[0];
+#else
+       gchar *dot;
+       gchar *current_locale;
+
+       current_locale = setlocale(LC_ALL, NULL);
+       dot = strstr(current_locale, ".");
+       if ((strncmp(dot - 2, "US", 2) == 0) || (strncmp(dot - 2, "MX", 2) == 0) || (strncmp(dot - 2, "CA", 2) == 0))
+               {
+               return 1;
+               }
+       else
+               {
+               return 2;
+               }
+#endif
 }
 
 /**
@@ -301,13 +322,15 @@ gchar *convert_rating_to_stars(gint rating)
 
        if (rating == -1)
                {
-               ret = g_strdup("⨷");
+               str = g_string_append_unichar(str, options->star_rating.rejected);
+               ret = g_strdup(str->str);
+               g_string_free(str, TRUE);
                }
        else if (rating > 0 && rating < 6)
                {
                while (rating > 0)
                        {
-                       str = g_string_append(str, "🟊");
+                       str = g_string_append_unichar(str, options->star_rating.star);
                        rating = rating - 1;
                        }
                ret = g_strdup(str->str);
@@ -321,4 +344,256 @@ gchar *convert_rating_to_stars(gint rating)
        return ret;
 }
 
+gchar *get_symbolic_link(const gchar *path_utf8)
+{
+       gchar *sl;
+       struct stat st;
+       gchar *ret = g_strdup("");
+
+       sl = path_from_utf8(path_utf8);
+
+       if (lstat(sl, &st) == 0 && S_ISLNK(st.st_mode))
+               {
+               gchar *buf;
+               gint l;
+
+               buf = g_malloc(st.st_size + 1);
+               l = readlink(sl, buf, st.st_size);
+
+               if (l == st.st_size)
+                       {
+                       buf[l] = '\0';
+
+                       ret = buf;
+                       }
+               else
+                       {
+                       g_free(buf);
+                       }
+               }
+
+       g_free(sl);
+
+       return ret;
+}
+
+gint get_cpu_cores(void)
+{
+       FILE *cpuinfo = fopen("/proc/cpuinfo", "rb");
+       char *arg = 0;
+       size_t size = 0;
+       int cores = 1;
+       gchar *siblings_line;
+       gchar *siblings_str;
+
+       while(getline(&arg, &size, cpuinfo) != -1)
+               {
+               siblings_line = g_strrstr(arg, "siblings");
+               if (siblings_line)
+                       {
+                       siblings_str = g_strrstr(siblings_line, ":");
+                       if (siblings_str)
+                               {
+                               cores = g_ascii_strtoll(siblings_str + 1, NULL, 0);
+                               }
+                       }
+               }
+       free(arg);
+       fclose(cpuinfo);
+
+       return cores;
+}
+
+void tree_path_free_wrapper(void *data, void *useradata)
+{
+       gtk_tree_path_free(data);
+}
+
+/* Copied from the libarchive .repo. examples */
+
+#ifndef HAVE_ARCHIVE
+gchar *open_archive(FileData *fd)
+{
+       return NULL;
+}
+
+#else
+
+#include <archive.h>
+#include <archive_entry.h>
+
+static void errmsg(const char *);
+static gboolean extract(const char *filename, int do_extract, int flags);
+static int copy_data(struct archive *, struct archive *);
+static void msg(const char *);
+static int verbose = 0;
+
+gchar *open_archive(FileData *fd)
+{
+       int flags;
+       gchar *current_dir;
+       gchar *destination_dir;
+       gboolean success;
+       gint error;
+
+       destination_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, instance_identifier, fd->path, NULL);
+
+       if (!recursive_mkdir_if_not_exists(destination_dir, 0755))
+               {
+               log_printf("%s%s%s", _("Open Archive - Cannot create directory: "), destination_dir, "\n");
+               g_free(destination_dir);
+               return NULL;
+               }
+
+       current_dir = g_get_current_dir();
+       error = chdir(destination_dir);
+       if (error)
+               {
+               log_printf("%s%s%s%s%s", _("Open Archive - Cannot change directory to: "), destination_dir, _("\n  Error code: "), strerror(errno), "\n");
+               g_free(destination_dir);
+               g_free(current_dir);
+               return NULL;
+               }
+
+       flags = ARCHIVE_EXTRACT_TIME;
+       success = extract(fd->path, 1, flags);
+
+       error = chdir(current_dir);
+       if (error)
+               {
+               log_printf("%s%s%s%s%s", _("Open Archive - Cannot change directory to: "), current_dir, _("\n  Error code: "), strerror(errno), "\n");
+               g_free(destination_dir);
+               g_free(current_dir);
+               return NULL;
+               }
+       g_free(current_dir);
+
+       if (!success)
+               {
+               g_free(destination_dir);
+               destination_dir = NULL;
+               }
+
+       return destination_dir;
+}
+
+static gboolean extract(const char *filename, int do_extract, int flags)
+{
+       struct archive *a;
+       struct archive *ext;
+       struct archive_entry *entry;
+       int r;
+
+       a = archive_read_new();
+       ext = archive_write_disk_new();
+       archive_write_disk_set_options(ext, flags);
+       archive_write_disk_set_standard_lookup(ext);
+       archive_read_support_filter_all(a);
+       archive_read_support_format_all(a);
+
+       if (filename != NULL && strcmp(filename, "-") == 0)
+               {
+               filename = NULL;
+               }
+       if ((r = archive_read_open_filename(a, filename, 10240)))
+               {
+               errmsg(archive_error_string(a));
+               errmsg("\n");
+               return(FALSE);
+               }
+       for (;;)
+               {
+               int needcr = 0;
+
+               r = archive_read_next_header(a, &entry);
+               if (r == ARCHIVE_EOF)
+                       {
+                       break;
+                       }
+               if (r != ARCHIVE_OK)
+                       {
+                       errmsg(archive_error_string(a));
+                       errmsg("\n");
+                       return(FALSE);
+                       }
+               if (verbose && do_extract)
+                       {
+                       msg("x ");
+                       }
+               if (verbose || !do_extract)
+                       {
+                       msg(archive_entry_pathname(entry));
+                       msg(" ");
+                       needcr = 1;
+                       }
+               if (do_extract)
+                       {
+                       r = archive_write_header(ext, entry);
+                       if (r != ARCHIVE_OK)
+                               {
+                               errmsg(archive_error_string(a));
+                               needcr = 1;
+                               }
+                       else
+                               {
+                               r = copy_data(a, ext);
+                               if (r != ARCHIVE_OK)
+                                       {
+                                       needcr = 1;
+                                       }
+                               }
+                       }
+               if (needcr)
+                       {
+                       msg("\n");
+                       }
+               }
+       archive_read_close(a);
+       archive_read_free(a);
+
+       archive_write_close(ext);
+       archive_write_free(ext);
+       return(TRUE);
+}
+
+static int copy_data(struct archive *ar, struct archive *aw)
+{
+       int r;
+       const void *buff;
+       size_t size;
+       int64_t offset;
+
+       for (;;)
+               {
+               r = archive_read_data_block(ar, &buff, &size, &offset);
+               if (r == ARCHIVE_EOF)
+                       return (ARCHIVE_OK);
+               if (r != ARCHIVE_OK)
+                       {
+                       errmsg(archive_error_string(ar));
+                       return (r);
+                       }
+               r = archive_write_data_block(aw, buff, size, offset);
+               if (r != ARCHIVE_OK)
+                       {
+                       errmsg(archive_error_string(ar));
+                       return (r);
+                       }
+               }
+}
+
+static void msg(const char *m)
+{
+       log_printf("Open Archive - libarchive error: %s \n", m);
+}
+
+static void errmsg(const char *m)
+{
+       if (m == NULL)
+               {
+               m = "Error: No error description provided.\n";
+               }
+       log_printf("Open Archive - libarchive error: %s \n", m);
+}
+#endif
 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */