Imported Upstream version 16.04

[deb_dpdk.git] / lib / librte_eal / common / eal_common_hexdump.c

diff --git a/lib/librte_eal/common/eal_common_hexdump.c b/lib/librte_eal/common/eal_common_hexdump.c
new file mode 100644 (file)
index 0000000..d5cbd70
--- /dev/null
+++ b/lib/librte_eal/common/eal_common_hexdump.c
@@ -0,0 +1,120 @@
+/*-
+ *   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.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <rte_hexdump.h>
+#include <rte_string_fns.h>
+
+#define LINE_LEN 128
+
+/**************************************************************************//**
+*
+* rte_hexdump - Dump out memory in a special hex dump format.
+*
+* DESCRIPTION
+* Dump out the message buffer in a special hex dump output format with characters
+* printed for each line of 16 hex values.
+*
+* RETURNS: N/A
+*
+* SEE ALSO:
+*/
+
+void
+rte_hexdump(FILE *f, const char * title, const void * buf, unsigned int len)
+{
+    unsigned int i, out, ofs;
+    const unsigned char *data = buf;
+    char line[LINE_LEN];    /* space needed 8+16*3+3+16 == 75 */
+
+    fprintf(f, "%s at [%p], len=%u\n", (title)? title  : "  Dump data", data, len);
+    ofs = 0;
+    while (ofs < len) {
+        /* format the line in the buffer, then use printf to output to screen */
+        out = snprintf(line, LINE_LEN, "%08X:", ofs);
+        for (i = 0; ((ofs + i) < len) && (i < 16); i++)
+            out += snprintf(line+out, LINE_LEN - out, " %02X", (data[ofs+i] & 0xff));
+        for(; i <= 16; i++)
+            out += snprintf(line+out, LINE_LEN - out, " | ");
+        for(i = 0; (ofs < len) && (i < 16); i++, ofs++) {
+            unsigned char c = data[ofs];
+            if ( (c < ' ') || (c > '~'))
+                c = '.';
+            out += snprintf(line+out, LINE_LEN - out, "%c", c);
+        }
+        fprintf(f, "%s\n", line);
+    }
+    fflush(f);
+}
+
+/**************************************************************************//**
+*
+* rte_memdump - Dump out memory in hex bytes with colons.
+*
+* DESCRIPTION
+* Dump out the message buffer in hex bytes with colons xx:xx:xx:xx:...
+*
+* RETURNS: N/A
+*
+* SEE ALSO:
+*/
+
+void
+rte_memdump(FILE *f, const char * title, const void * buf, unsigned int len)
+{
+    unsigned int i, out;
+    const unsigned char *data = buf;
+    char line[LINE_LEN];
+
+    if ( title )
+       fprintf(f, "%s: ", title);
+
+    line[0] = '\0';
+    for (i = 0, out = 0; i < len; i++) {
+       // Make sure we do not overrun the line buffer length.
+               if ( out >= (LINE_LEN - 4) ) {
+                       fprintf(f, "%s", line);
+                       out = 0;
+                       line[out] = '\0';
+               }
+               out += snprintf(line+out, LINE_LEN - out, "%02x%s",
+                               (data[i] & 0xff), ((i+1) < len)? ":" : "");
+    }
+    if ( out > 0 )
+       fprintf(f, "%s", line);
+    fprintf(f, "\n");
+
+    fflush(f);
+}