/*
- * Copyright (c) 2008, 2009, 2010 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
}
void
-ds_clear(struct ds *ds)
+ds_clear(struct ds *ds)
{
ds->length = 0;
}
if (needed < available) {
ds->length += needed;
} else {
- size_t available;
-
ds_reserve(ds, ds->length + needed);
va_copy(args, args_);
}
void
-ds_put_printable(struct ds *ds, const char *s, size_t n)
+ds_put_printable(struct ds *ds, const char *s, size_t n)
{
ds_reserve(ds, ds->length + n);
while (n-- > 0) {
ds_put_strftime(struct ds *ds, const char *template, const struct tm *tm)
{
if (!tm) {
- time_t now = time_now();
+ time_t now = time_wall();
tm = localtime(&now);
}
for (;;) {
ds->length += used;
return;
}
- ds_reserve(ds, ds->length + (avail < 32 ? 64 : 2 * avail));
+ ds_reserve(ds, ds->length + (avail < 32 ? 64 : 2 * avail));
}
}
}
}
+/* Reads a line from 'file' into 'ds', clearing anything initially in 'ds'.
+ * Deletes comments introduced by "#" and skips lines that contains only white
+ * space (after deleting comments).
+ *
+ * Returns 0 if successful, EOF if no non-blank line was found. */
+int
+ds_get_preprocessed_line(struct ds *ds, FILE *file)
+{
+ while (!ds_get_line(ds, file)) {
+ char *line = ds_cstr(ds);
+ char *comment;
+
+ /* Delete comments. */
+ comment = strchr(line, '#');
+ if (comment) {
+ *comment = '\0';
+ }
+
+ /* Return successfully unless the line is all spaces. */
+ if (line[strspn(line, " \t\n")] != '\0') {
+ return 0;
+ }
+ }
+ return EOF;
+}
+
char *
ds_cstr(struct ds *ds)
{