-/* Copyright (C) 2008 Board of Trustees, Leland Stanford Jr. University.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+/* Copyright (c) 2008 The Board of Trustees of The Leland Stanford
+ * Junior University
+ *
+ * We are making the OpenFlow specification and associated documentation
+ * (Software) available for public use and benefit with the expectation
+ * that others will use, modify and enhance the Software and contribute
+ * those enhancements back to the community. However, since we would
+ * like to make the Software available for broadest use, with as few
+ * restrictions as possible permission is hereby granted, free of
+ * charge, to any person obtaining a copy of this Software to deal in
+ * the Software under the copyrights without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * The name and trademarks of copyright holder(s) may NOT be used in
+ * advertising or publicity pertaining to the Software or any
+ * derivatives without specific, written prior permission.
*/
+#include <config.h>
#include "dynamic-string.h"
#include <assert.h>
#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include "timeval.h"
#include "util.h"
void
ds->allocated = 0;
}
+void
+ds_clear(struct ds *ds)
+{
+ ds->length = 0;
+}
+
+void
+ds_truncate(struct ds *ds, size_t new_length)
+{
+ if (ds->length > new_length) {
+ ds->length = new_length;
+ ds->string[new_length] = '\0';
+ }
+}
+
void
ds_reserve(struct ds *ds, size_t min_length)
{
}
}
+char *
+ds_put_uninit(struct ds *ds, size_t n)
+{
+ ds_reserve(ds, ds->length + n);
+ ds->length += n;
+ ds->string[ds->length] = '\0';
+ return &ds->string[ds->length - n];
+}
+
+void
+ds_put_char(struct ds *ds, char c)
+{
+ *ds_put_uninit(ds, 1) = c;
+}
+
+void
+ds_put_char_multiple(struct ds *ds, char c, size_t n)
+{
+ memset(ds_put_uninit(ds, n), c, n);
+}
+
+void
+ds_put_buffer(struct ds *ds, const char *s, size_t n)
+{
+ memcpy(ds_put_uninit(ds, n), s, n);
+}
+
+void
+ds_put_cstr(struct ds *ds, const char *s)
+{
+ size_t s_len = strlen(s);
+ memcpy(ds_put_uninit(ds, s_len), s, s_len);
+}
+
void
ds_put_format(struct ds *ds, const char *format, ...)
{
}
}
+void
+ds_put_printable(struct ds *ds, const char *s, size_t n)
+{
+ ds_reserve(ds, ds->length + n);
+ while (n-- > 0) {
+ unsigned char c = *s++;
+ if (c < 0x20 || c > 0x7e || c == '\\' || c == '"') {
+ ds_put_format(ds, "\\%03o", (int) c);
+ } else {
+ ds_put_char(ds, c);
+ }
+ }
+}
+
+void
+ds_put_strftime(struct ds *ds, const char *template, const struct tm *tm)
+{
+ if (!tm) {
+ time_t now = time_now();
+ tm = localtime(&now);
+ }
+ for (;;) {
+ size_t avail = ds->string ? ds->allocated - ds->length + 1 : 0;
+ size_t used = strftime(&ds->string[ds->length], avail, template, tm);
+ if (used) {
+ ds->length += used;
+ return;
+ }
+ ds_reserve(ds, ds->length + (avail < 32 ? 64 : 2 * avail));
+ }
+}
+
+int
+ds_get_line(struct ds *ds, FILE *file)
+{
+ ds_clear(ds);
+ for (;;) {
+ int c = getc(file);
+ if (c == EOF) {
+ return ds->length ? 0 : EOF;
+ } else if (c == '\n') {
+ return 0;
+ } else {
+ ds_put_char(ds, c);
+ }
+ }
+}
+
char *
ds_cstr(struct ds *ds)
{
if (!ds->string) {
ds_reserve(ds, 0);
- ds->string[0] = '\0';
}
+ ds->string[ds->length] = '\0';
return ds->string;
}
{
free(ds->string);
}
+
+/* Writes the 'size' bytes in 'buf' to 'string' as hex bytes arranged 16 per
+ * line. Numeric offsets are also included, starting at 'ofs' for the first
+ * byte in 'buf'. If 'ascii' is true then the corresponding ASCII characters
+ * are also rendered alongside. */
+void
+ds_put_hex_dump(struct ds *ds, const void *buf_, size_t size,
+ uintptr_t ofs, bool ascii)
+{
+ const uint8_t *buf = buf_;
+ const size_t per_line = 16; /* Maximum bytes per line. */
+
+ while (size > 0)
+ {
+ size_t start, end, n;
+ size_t i;
+
+ /* Number of bytes on this line. */
+ start = ofs % per_line;
+ end = per_line;
+ if (end - start > size)
+ end = start + size;
+ n = end - start;
+
+ /* Print line. */
+ ds_put_format(ds, "%08jx ", (uintmax_t) ROUND_DOWN(ofs, per_line));
+ for (i = 0; i < start; i++)
+ ds_put_format(ds, " ");
+ for (; i < end; i++)
+ ds_put_format(ds, "%02hhx%c",
+ buf[i - start], i == per_line / 2 - 1? '-' : ' ');
+ if (ascii)
+ {
+ for (; i < per_line; i++)
+ ds_put_format(ds, " ");
+ ds_put_format(ds, "|");
+ for (i = 0; i < start; i++)
+ ds_put_format(ds, " ");
+ for (; i < end; i++) {
+ int c = buf[i - start];
+ ds_put_char(ds, c >= 32 && c < 127 ? c : '.');
+ }
+ for (; i < per_line; i++)
+ ds_put_format(ds, " ");
+ ds_put_format(ds, "|");
+ }
+ ds_put_format(ds, "\n");
+
+ ofs += n;
+ buf += n;
+ size -= n;
+ }
+}
+
+int
+ds_last(const struct ds *ds)
+{
+ return ds->length > 0 ? (unsigned char) ds->string[ds->length - 1] : EOF;
+}
+
+void
+ds_chomp(struct ds *ds, int c)
+{
+ if (ds->length > 0 && ds->string[ds->length - 1] == (char) c) {
+ ds->string[--ds->length] = '\0';
+ }
+}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff