cmdline: remove useless intermediate buffer

Rather than copy the string, we can use a precision in the format string
given to printf.

Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>

diff --git a/lib/librte_cmdline/cmdline_parse.c b/lib/librte_cmdline/cmdline_parse.c
index 961f9be..9666e90 100644 (file)
--- a/lib/librte_cmdline/cmdline_parse.c
+++ b/lib/librte_cmdline/cmdline_parse.c
@@ -208,9 +208,6 @@ cmdline_parse(struct cmdline *cl, const char * buf)
        int err = CMDLINE_PARSE_NOMATCH;
        int tok;
        cmdline_parse_ctx_t *ctx;
-#ifdef RTE_LIBRTE_CMDLINE_DEBUG
-       char debug_buf[BUFSIZ];
-#endif
        char *result_buf = result.buf;
 
        if (!cl || !buf)
@@ -250,10 +247,8 @@ cmdline_parse(struct cmdline *cl, const char * buf)
                return linelen;
        }
 
-#ifdef RTE_LIBRTE_CMDLINE_DEBUG
-       strlcpy(debug_buf, buf, (linelen > 64 ? 64 : linelen));
-       debug_printf("Parse line : len=%d, <%s>\n", linelen, debug_buf);
-#endif
+       debug_printf("Parse line : len=%d, <%.*s>\n",
+                    linelen, linelen > 64 ? 64 : linelen, buf);
 
        /* parse it !! */
        inst = ctx[inst_num];