#endif
#include <stdio.h>
#include <stdlib.h>
+#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
return retval;
}
+
+static gchar *
+g_build_pathv (const gchar *separator,
+ const gchar *first_element,
+ va_list args)
+{
+ GString *result;
+ gint separator_len = strlen (separator);
+ gboolean is_first = TRUE;
+ const gchar *next_element;
+
+ result = g_string_new (NULL);
+
+ next_element = first_element;
+
+ while (TRUE)
+ {
+ const gchar *element;
+ const gchar *start;
+ const gchar *end;
+
+ if (next_element)
+ {
+ element = next_element;
+ next_element = va_arg (args, gchar *);
+ }
+ else
+ break;
+
+ start = element;
+
+ if (is_first)
+ is_first = FALSE;
+ else if (separator_len)
+ {
+ while (start &&
+ strncmp (start, separator, separator_len) == 0)
+ start += separator_len;
+ }
+
+ end = start + strlen (start);
+
+ if (next_element && separator_len)
+ {
+ while (end > start + separator_len &&
+ strncmp (end - separator_len, separator, separator_len) == 0)
+ end -= separator_len;
+ }
+
+ if (end > start)
+ {
+ if (result->len > 0)
+ g_string_append (result, separator);
+
+ g_string_append_len (result, start, end - start);
+ }
+ }
+
+ return g_string_free (result, FALSE);
+}
+
+/**
+ * g_build_path:
+ * @separator: a string used to separator the elements of the path.
+ * @first_element: the first element in the path
+ *
+ * Create a path from a series of elements using @separator as the
+ * separator between elements. At the boundary between two elements,
+ * any trailing occurrences of separator in the first element, or
+ * leading occurrences of separator in the second element are removed
+ * and exactly one copy of the separator is inserted.
+ *
+ * Return value: a newly allocated string that must be freed with g_free().
+ **/
+gchar *
+g_build_path (const gchar *separator,
+ const gchar *first_element,
+ ...)
+{
+ gchar *str;
+ va_list args;
+
+ g_return_val_if_fail (separator != NULL, NULL);
+
+ va_start (args, first_element);
+ str = g_build_pathv (separator, first_element, args);
+ va_end (args);
+
+ return str;
+}
+
+/**
+ * g_build_filename:
+ * @first_element: the first element in the path
+ *
+ * Create a filename from a series of elements using the correct
+ * separator for filenames. This function behaves identically
+ * to g_build_path (G_DIR_SEPARATOR_S, first_element, ....)
+ *
+ * No attempt is made to force the resulting filename to be an absolute
+ * path. If the first element is a relative path, the result will
+ * be a relative path.
+ *
+ * Return value: a newly allocated string that must be freed with g_free().
+ **/
+gchar *
+g_build_filename (const gchar *first_element,
+ ...)
+{
+ gchar *str;
+ va_list args;
+
+ va_start (args, first_element);
+ str = g_build_pathv (G_DIR_SEPARATOR_S, first_element, args);
+ va_end (args);
+
+ return str;
+}
}
static gboolean
+str_check (gchar *str,
+ gchar *expected)
+{
+ gboolean ok = (strcmp (str, expected) == 0);
+
+ g_free (str);
+
+ return ok;
+}
+
+static gboolean
test_isalnum (gchar c)
{
return g_ascii_isalnum (c);
#undef TEST_DIGIT
+ /* Tests for g_build_path, g_build_filename */
+
+ TEST (NULL, str_check (g_build_path ("", NULL), ""));
+ TEST (NULL, str_check (g_build_path ("", "", NULL), ""));
+ TEST (NULL, str_check (g_build_path ("", "x", NULL), "x"));
+ TEST (NULL, str_check (g_build_path ("", "x", "y", NULL), "xy"));
+ TEST (NULL, str_check (g_build_path ("", "x", "y", "z", NULL), "xyz"));
+
+ TEST (NULL, str_check (g_build_path (":", NULL), ""));
+ TEST (NULL, str_check (g_build_path (":", ":", NULL), ":"));
+ TEST (NULL, str_check (g_build_path (":", ":x", NULL), ":x"));
+ TEST (NULL, str_check (g_build_path (":", "x:", NULL), "x:"));
+ TEST (NULL, str_check (g_build_path (":", "x", "y", NULL), "x:y"));
+ TEST (NULL, str_check (g_build_path (":", ":x", "y", NULL), ":x:y"));
+ TEST (NULL, str_check (g_build_path (":", "x", "y:", NULL), "x:y:"));
+ TEST (NULL, str_check (g_build_path (":", ":x:", ":y:", NULL), ":x:y:"));
+ TEST (NULL, str_check (g_build_path (":", ":x::", "::y:", NULL), ":x:y:"));
+ TEST (NULL, str_check (g_build_path (":", "x", "y", "z", NULL), "x:y:z"));
+ TEST (NULL, str_check (g_build_path (":", ":x:", ":y:", ":z:", NULL), ":x:y:z:"));
+ TEST (NULL, str_check (g_build_path (":", "::x::", "::y::", "::z::", NULL), "::x:y:z::"));
+
+ TEST (NULL, str_check (g_build_path ("::", NULL), ""));
+ TEST (NULL, str_check (g_build_path ("::", "::", NULL), "::"));
+ TEST (NULL, str_check (g_build_path ("::", "::x", NULL), "::x"));
+ TEST (NULL, str_check (g_build_path ("::", "x::", NULL), "x::"));
+ TEST (NULL, str_check (g_build_path ("::", "x", "y", NULL), "x::y"));
+ TEST (NULL, str_check (g_build_path ("::", "::x", "y", NULL), "::x::y"));
+ TEST (NULL, str_check (g_build_path ("::", "x", "y::", NULL), "x::y::"));
+ TEST (NULL, str_check (g_build_path ("::", "::x::", "::y::", NULL), "::x::y::"));
+ TEST (NULL, str_check (g_build_path ("::", "::x:::", ":::y::", NULL), "::x::::y::"));
+ TEST (NULL, str_check (g_build_path ("::", "::x::::", "::::y::", NULL), "::x::y::"));
+ TEST (NULL, str_check (g_build_path ("::", "x", "y", "z", NULL), "x::y::z"));
+ TEST (NULL, str_check (g_build_path ("::", "::x::", "::y::", "::z::", NULL), "::x::y::z::"));
+ TEST (NULL, str_check (g_build_path ("::", ":::x:::", ":::y:::", ":::z:::", NULL), ":::x::::y::::z:::"));
+ TEST (NULL, str_check (g_build_path ("::", "::::x::::", "::::y::::", "::::z::::", NULL), "::::x::y::z::::"));
+
+#define S G_DIR_SEPARATOR_S
+
+ TEST (NULL, str_check (g_build_filename (NULL), ""));
+ TEST (NULL, str_check (g_build_filename (S, NULL), S));
+ TEST (NULL, str_check (g_build_filename (S"x", NULL), S"x"));
+ TEST (NULL, str_check (g_build_filename ("x"S, NULL), "x"S));
+ TEST (NULL, str_check (g_build_filename ("x", "y", NULL), "x"S"y"));
+ TEST (NULL, str_check (g_build_filename (S"x", "y", NULL), S"x"S"y"));
+ TEST (NULL, str_check (g_build_filename ("x", "y"S, NULL), "x"S"y"S));
+ TEST (NULL, str_check (g_build_filename (S"x"S, S"y"S, NULL), S"x"S"y"S));
+ TEST (NULL, str_check (g_build_filename (S"x"S S, S S"y"S, NULL), S"x"S"y"S));
+ TEST (NULL, str_check (g_build_filename ("x", "y", "z", NULL), "x"S"y"S"z"));
+ TEST (NULL, str_check (g_build_filename (S"x"S, S"y"S, S"z"S, NULL), S"x"S"y"S"z"S));
+ TEST (NULL, str_check (g_build_filename (S S"x"S S, S S"y"S S, S S"z"S S, NULL), S S"x"S"y"S"z"S S));
+
+#undef S
+
return any_failed;
}