-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#include <string.h>
#include <rte_string_fns.h>
-/* safe version os snprintf */
-int
-rte_snprintf(char *buffer, int buflen, const char *format, ...)
-{
- int len;
- va_list ap;
-
- if (buffer == NULL && buflen != 0)
- goto einval_error;
- if (format == NULL) {
- if (buflen > 0)
- buffer[0] = '\0';
- goto einval_error;
- }
-
- va_start(ap, format);
- len = vsnprintf(buffer, buflen, format, ap);
- va_end(ap);
- if (len >= buflen && buflen > 0)
- buffer[buflen - 1] = '\0';
-
- return len;
-
-einval_error:
- errno = EINVAL;
- return -1;
-}
-
/* split string into tokens */
int
rte_strsplit(char *string, int stringlen,
errno = EINVAL;
return -1;
}
+
+/* Copy src string into dst.
+ *
+ * Return negative value and NUL-terminate if dst is too short,
+ * Otherwise return number of bytes copied.
+ */
+ssize_t
+rte_strscpy(char *dst, const char *src, size_t dsize)
+{
+ size_t nleft = dsize;
+ size_t res = 0;
+
+ /* Copy as many bytes as will fit. */
+ while (nleft != 0) {
+ dst[res] = src[res];
+ if (src[res] == '\0')
+ return res;
+ res++;
+ nleft--;
+ }
+
+ /* Not enough room in dst, set NUL and return error. */
+ if (res != 0)
+ dst[res - 1] = '\0';
+ return -E2BIG;
+}