first version

1 files changed, 402 insertions, 0 deletions

diff --git a/src/dpdk_lib18/librte_cmdline/cmdline_parse_num.c b/src/dpdk_lib18/librte_cmdline/cmdline_parse_num.c
new file mode 100755
index 00000000..d8cf37f0
--- /dev/null
+++ b/src/dpdk_lib18/librte_cmdline/cmdline_parse_num.c
@@ -0,0 +1,402 @@
+/*-
+ *   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.
+ */
+
+/*
+ * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
+ * 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 the University of California, Berkeley 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 REGENTS 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 REGENTS AND 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.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <rte_string_fns.h>
+
+#include "cmdline_parse.h"
+#include "cmdline_parse_num.h"
+
+#ifdef RTE_LIBRTE_CMDLINE_DEBUG
+#define debug_printf(args...) printf(args)
+#else
+#define debug_printf(args...) do {} while(0)
+#endif
+
+struct cmdline_token_ops cmdline_token_num_ops = {
+	.parse = cmdline_parse_num,
+	.complete_get_nb = NULL,
+	.complete_get_elt = NULL,
+	.get_help = cmdline_get_help_num,
+};
+
+
+enum num_parse_state_t {
+	START,
+	DEC_NEG,
+	BIN,
+	HEX,
+
+	ERROR,
+
+	FIRST_OK, /* not used */
+	ZERO_OK,
+	HEX_OK,
+	OCTAL_OK,
+	BIN_OK,
+	DEC_NEG_OK,
+	DEC_POS_OK,
+};
+
+/* Keep it sync with enum in .h */
+static const char * num_help[] = {
+	"UINT8", "UINT16", "UINT32", "UINT64",
+	"INT8", "INT16", "INT32", "INT64",
+};
+
+static inline int
+add_to_res(unsigned int c, uint64_t *res, unsigned int base)
+{
+	/* overflow */
+	if ( (UINT64_MAX - c) / base < *res ) {
+		return -1;
+	}
+
+	*res = (uint64_t) (*res * base + c);
+	return 0;
+}
+
+static int
+check_res_size(struct cmdline_token_num_data *nd, unsigned ressize)
+{
+	switch (nd->type) {
+	case INT8:
+	case UINT8:
+		if (ressize < sizeof(int8_t))
+			return -1;
+		break;
+	case INT16:
+	case UINT16:
+		if (ressize < sizeof(int16_t))
+			return -1;
+		break;
+	case INT32:
+	case UINT32:
+		if (ressize < sizeof(int32_t))
+			return -1;
+		break;
+	case INT64:
+	case UINT64:
+		if (ressize < sizeof(int64_t))
+			return -1;
+		break;
+	default:
+		return -1;
+	}
+	return 0;
+}
+
+/* parse an int */
+int
+cmdline_parse_num(cmdline_parse_token_hdr_t *tk, const char *srcbuf, void *res,
+	unsigned ressize)
+{
+	struct cmdline_token_num_data nd;
+	enum num_parse_state_t st = START;
+	const char * buf;
+	char c;
+	uint64_t res1 = 0;
+
+	if (!tk)
+		return -1;
+
+	if (!srcbuf || !*srcbuf)
+		return -1;
+
+	buf = srcbuf;
+	c = *buf;
+
+	memcpy(&nd, &((struct cmdline_token_num *)tk)->num_data, sizeof(nd));
+
+	/* check that we have enough room in res */
+	if (res) {
+		if (check_res_size(&nd, ressize) < 0)
+			return -1;
+	}
+
+	while ( st != ERROR && c && ! cmdline_isendoftoken(c) ) {
+		debug_printf("%c %x -> ", c, c);
+		switch (st) {
+		case START:
+			if (c == '-') {
+				st = DEC_NEG;
+			}
+			else if (c == '0') {
+				st = ZERO_OK;
+			}
+			else if (c >= '1' && c <= '9') {
+				if (add_to_res(c - '0', &res1, 10) < 0)
+					st = ERROR;
+				else
+					st = DEC_POS_OK;
+			}
+			else  {
+				st = ERROR;
+			}
+			break;
+
+		case ZERO_OK:
+			if (c == 'x') {
+				st = HEX;
+			}
+			else if (c == 'b') {
+				st = BIN;
+			}
+			else if (c >= '0' && c <= '7') {
+				if (add_to_res(c - '0', &res1, 10) < 0)
+					st = ERROR;
+				else
+					st = OCTAL_OK;
+			}
+			else  {
+				st = ERROR;
+			}
+			break;
+
+		case DEC_NEG:
+			if (c >= '0' && c <= '9') {
+				if (add_to_res(c - '0', &res1, 10) < 0)
+					st = ERROR;
+				else
+					st = DEC_NEG_OK;
+			}
+			else {
+				st = ERROR;
+			}
+			break;
+
+		case DEC_NEG_OK:
+			if (c >= '0' && c <= '9') {
+				if (add_to_res(c - '0', &res1, 10) < 0)
+					st = ERROR;
+			}
+			else {
+				st = ERROR;
+			}
+			break;
+
+		case DEC_POS_OK:
+			if (c >= '0' && c <= '9') {
+				if (add_to_res(c - '0', &res1, 10) < 0)
+					st = ERROR;
+			}
+			else {
+				st = ERROR;
+			}
+			break;
+
+		case HEX:
+			st = HEX_OK;
+			/* no break */
+		case HEX_OK:
+			if (c >= '0' && c <= '9') {
+				if (add_to_res(c - '0', &res1, 16) < 0)
+					st = ERROR;
+			}
+			else if (c >= 'a' && c <= 'f') {
+				if (add_to_res(c - 'a' + 10, &res1, 16) < 0)
+					st = ERROR;
+			}
+			else if (c >= 'A' && c <= 'F') {
+				if (add_to_res(c - 'A' + 10, &res1, 16) < 0)
+					st = ERROR;
+			}
+			else {
+				st = ERROR;
+			}
+			break;
+
+
+		case OCTAL_OK:
+			if (c >= '0' && c <= '7') {
+				if (add_to_res(c - '0', &res1, 8) < 0)
+					st = ERROR;
+			}
+			else {
+				st = ERROR;
+			}
+			break;
+
+		case BIN:
+			st = BIN_OK;
+			/* no break */
+		case BIN_OK:
+			if (c >= '0' && c <= '1') {
+				if (add_to_res(c - '0', &res1, 2) < 0)
+					st = ERROR;
+			}
+			else {
+				st = ERROR;
+			}
+			break;
+		default:
+			debug_printf("not impl ");
+
+		}
+
+		debug_printf("(%"PRIu64")\n", res1);
+
+		buf ++;
+		c = *buf;
+
+		/* token too long */
+		if (buf-srcbuf > 127)
+			return -1;
+	}
+
+	switch (st) {
+	case ZERO_OK:
+	case DEC_POS_OK:
+	case HEX_OK:
+	case OCTAL_OK:
+	case BIN_OK:
+		if ( nd.type == INT8 && res1 <= INT8_MAX ) {
+			if (res) *(int8_t *)res = (int8_t) res1;
+			return (buf-srcbuf);
+		}
+		else if ( nd.type == INT16 && res1 <= INT16_MAX ) {
+			if (res) *(int16_t *)res = (int16_t) res1;
+			return (buf-srcbuf);
+		}
+		else if ( nd.type == INT32 && res1 <= INT32_MAX ) {
+			if (res) *(int32_t *)res = (int32_t) res1;
+			return (buf-srcbuf);
+		}
+		else if ( nd.type == INT64 && res1 <= INT64_MAX ) {
+			if (res) *(int64_t *)res = (int64_t) res1;
+			return (buf-srcbuf);
+		}
+		else if ( nd.type == UINT8 && res1 <= UINT8_MAX ) {
+			if (res) *(uint8_t *)res = (uint8_t) res1;
+			return (buf-srcbuf);
+		}
+		else if (nd.type == UINT16  && res1 <= UINT16_MAX ) {
+			if (res) *(uint16_t *)res = (uint16_t) res1;
+			return (buf-srcbuf);
+		}
+		else if ( nd.type == UINT32 && res1 <= UINT32_MAX ) {
+			if (res) *(uint32_t *)res = (uint32_t) res1;
+			return (buf-srcbuf);
+		}
+		else if ( nd.type == UINT64 ) {
+			if (res) *(uint64_t *)res = res1;
+			return (buf-srcbuf);
+		}
+		else {
+			return -1;
+		}
+		break;
+
+	case DEC_NEG_OK:
+		if ( nd.type == INT8 && res1 <= INT8_MAX + 1 ) {
+			if (res) *(int8_t *)res = (int8_t) (-res1);
+			return (buf-srcbuf);
+		}
+		else if ( nd.type == INT16 && res1 <= (uint16_t)INT16_MAX + 1 ) {
+			if (res) *(int16_t *)res = (int16_t) (-res1);
+			return (buf-srcbuf);
+		}
+		else if ( nd.type == INT32 && res1 <= (uint32_t)INT32_MAX + 1 ) {
+			if (res) *(int32_t *)res = (int32_t) (-res1);
+			return (buf-srcbuf);
+		}
+		else if ( nd.type == INT64 && res1 <= (uint64_t)INT64_MAX + 1 ) {
+			if (res) *(int64_t *)res = (int64_t) (-res1);
+			return (buf-srcbuf);
+		}
+		else {
+			return -1;
+		}
+		break;
+	default:
+		debug_printf("error\n");
+		return -1;
+	}
+}
+
+
+/* parse an int */
+int
+cmdline_get_help_num(cmdline_parse_token_hdr_t *tk, char *dstbuf, unsigned int size)
+{
+	struct cmdline_token_num_data nd;
+	int ret;
+
+	if (!tk)
+		return -1;
+
+	memcpy(&nd, &((struct cmdline_token_num *)tk)->num_data, sizeof(nd));
+
+	/* should not happen.... don't so this test */
+	/* if (nd.type >= (sizeof(num_help)/sizeof(const char *))) */
+	/* return -1; */
+
+	ret = snprintf(dstbuf, size, "%s", num_help[nd.type]);
+	if (ret < 0)
+		return -1;
+	dstbuf[size-1] = '\0';
+	return 0;
+}