aboutsummaryrefslogtreecommitdiffstats
path: root/lib/librte_eal/common/eal_common_hexdump.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/librte_eal/common/eal_common_hexdump.c')
-rw-r--r--lib/librte_eal/common/eal_common_hexdump.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/lib/librte_eal/common/eal_common_hexdump.c b/lib/librte_eal/common/eal_common_hexdump.c
new file mode 100644
index 00000000..d5cbd703
--- /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);
+}