/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2014 Intel Corporation
+ * Copyright(c) 2010-2019 Intel Corporation
*/
/**
#endif
#include <stdio.h>
+#include <string.h>
+
+#include <rte_common.h>
/**
* Takes string "string" parameter and splits it at character "delim"
static inline size_t
rte_strlcpy(char *dst, const char *src, size_t size)
{
- return snprintf(dst, size, "%s", src);
+ return (size_t)snprintf(dst, size, "%s", src);
+}
+
+/**
+ * @internal
+ * DPDK-specific version of strlcat for systems without
+ * libc or libbsd copies of the function
+ */
+static inline size_t
+rte_strlcat(char *dst, const char *src, size_t size)
+{
+ size_t l = strnlen(dst, size);
+ if (l < size)
+ return l + rte_strlcpy(&dst[l], src, size - l);
+ return l + strlen(src);
}
/* pull in a strlcpy function */
-#ifdef RTE_EXEC_ENV_BSDAPP
-#include <string.h>
+#ifdef RTE_EXEC_ENV_FREEBSD
#ifndef __BSD_VISIBLE /* non-standard functions are hidden */
#define strlcpy(dst, src, size) rte_strlcpy(dst, src, size)
+#define strlcat(dst, src, size) rte_strlcat(dst, src, size)
#endif
-
#else /* non-BSD platforms */
#ifdef RTE_USE_LIBBSD
#include <bsd/string.h>
#else /* no BSD header files, create own */
#define strlcpy(dst, src, size) rte_strlcpy(dst, src, size)
+#define strlcat(dst, src, size) rte_strlcat(dst, src, size)
#endif /* RTE_USE_LIBBSD */
-#endif /* BSDAPP */
+#endif /* FREEBSD */
+
+/**
+ * Copy string src to buffer dst of size dsize.
+ * At most dsize-1 chars will be copied.
+ * Always NUL-terminates, unless (dsize == 0).
+ * Returns number of bytes copied (terminating NUL-byte excluded) on success ;
+ * negative errno on error.
+ *
+ * @param dst
+ * The destination string.
+ *
+ * @param src
+ * The input string to be copied.
+ *
+ * @param dsize
+ * Length in bytes of the destination buffer.
+ *
+ * @return
+ * The number of bytes copied on success
+ * -E2BIG if the destination buffer is too small.
+ */
+ssize_t
+rte_strscpy(char *dst, const char *src, size_t dsize);
#ifdef __cplusplus
}