/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+ *
+ * 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
* * 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
*/
static int
match_inst(cmdline_parse_inst_t *inst, const char *buf,
- unsigned int nb_match_token, void * result_buf)
+ unsigned int nb_match_token, void *resbuf, unsigned resbuf_size)
{
unsigned int token_num=0;
cmdline_parse_token_hdr_t * token_p;
if ( isendofline(*buf) || iscomment(*buf) )
break;
- if (result_buf)
- n = token_hdr.ops->parse(token_p, buf,
- (char *)result_buf +
- token_hdr.offset);
- else
- n = token_hdr.ops->parse(token_p, buf, NULL);
+ if (resbuf == NULL) {
+ n = token_hdr.ops->parse(token_p, buf, NULL, 0);
+ } else {
+ unsigned rb_sz;
+
+ if (token_hdr.offset > resbuf_size) {
+ printf("Parse error(%s:%d): Token offset(%u) "
+ "exceeds maximum size(%u)\n",
+ __FILE__, __LINE__,
+ token_hdr.offset, resbuf_size);
+ return -ENOBUFS;
+ }
+ rb_sz = resbuf_size - token_hdr.offset;
+
+ n = token_hdr.ops->parse(token_p, buf, (char *)resbuf +
+ token_hdr.offset, rb_sz);
+ }
if (n < 0)
break;
unsigned int inst_num=0;
cmdline_parse_inst_t *inst;
const char *curbuf;
- char result_buf[BUFSIZ];
+ char result_buf[CMDLINE_PARSE_RESULT_BUFSIZE];
void (*f)(void *, struct cmdline *, void *) = NULL;
void *data = NULL;
int comment = 0;
}
#ifdef RTE_LIBRTE_CMDLINE_DEBUG
- rte_snprintf(debug_buf, (linelen>64 ? 64 : linelen), "%s", buf);
+ snprintf(debug_buf, (linelen>64 ? 64 : linelen), "%s", buf);
debug_printf("Parse line : len=%d, <%s>\n", linelen, debug_buf);
#endif
debug_printf("INST %d\n", inst_num);
/* fully parsed */
- tok = match_inst(inst, buf, 0, result_buf);
+ tok = match_inst(inst, buf, 0, result_buf, sizeof(result_buf));
if (tok > 0) /* we matched at least one token */
err = CMDLINE_PARSE_BAD_ARGS;
inst = ctx[inst_num];
while (inst) {
/* parse the first tokens of the inst */
- if (nb_token && match_inst(inst, buf, nb_token, NULL))
+ if (nb_token && match_inst(inst, buf, nb_token, NULL, 0))
goto next;
- debug_printf("instruction match \n");
+ debug_printf("instruction match\n");
token_p = inst->tokens[nb_token];
if (token_p)
memcpy(&token_hdr, token_p, sizeof(token_hdr));
if (!strncmp(partial_tok, tmpbuf,
partial_tok_len)) {
if (comp_len == -1) {
- rte_snprintf(comp_buf, sizeof(comp_buf),
+ snprintf(comp_buf, sizeof(comp_buf),
"%s", tmpbuf + partial_tok_len);
comp_len =
strnlen(tmpbuf + partial_tok_len,
if ((unsigned)(comp_len + 1) > size)
return 0;
- rte_snprintf(dst, size, "%s", comp_buf);
+ snprintf(dst, size, "%s", comp_buf);
dst[comp_len] = 0;
return 2;
}
/* we need to redo it */
inst = ctx[inst_num];
- if (nb_token && match_inst(inst, buf, nb_token, NULL))
+ if (nb_token && match_inst(inst, buf, nb_token, NULL, 0))
goto next2;
token_p = inst->tokens[nb_token];
sizeof(tmpbuf));
help_str = inst->help_str;
if (help_str)
- rte_snprintf(dst, size, "[%s]: %s", tmpbuf,
+ snprintf(dst, size, "[%s]: %s", tmpbuf,
help_str);
else
- rte_snprintf(dst, size, "[%s]: No help",
+ snprintf(dst, size, "[%s]: No help",
tmpbuf);
}
else {
- rte_snprintf(dst, size, "[RETURN]");
+ snprintf(dst, size, "[RETURN]");
}
return 1;
}
continue;
}
(*state)++;
- l=rte_snprintf(dst, size, "%s", tmpbuf);
+ l=snprintf(dst, size, "%s", tmpbuf);
if (l>=0 && token_hdr.ops->get_help) {
token_hdr.ops->get_help(token_p, tmpbuf,
sizeof(tmpbuf));
help_str = inst->help_str;
if (help_str)
- rte_snprintf(dst+l, size-l, "[%s]: %s",
+ snprintf(dst+l, size-l, "[%s]: %s",
tmpbuf, help_str);
else
- rte_snprintf(dst+l, size-l,
+ snprintf(dst+l, size-l,
"[%s]: No help", tmpbuf);
}
}
return 0;
}
-