/* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2010-2014 Intel Corporation */ #include #include #include #include #include #include #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); }