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136 lines
2.3 KiB
136 lines
2.3 KiB
6 years ago
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "format.h"
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static struct cw_FormatDumpSettings CW_FORMAT_DUMP_SETTINGS = {
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32/*CW_FORMAT_DUMP_ROW_LEN*/, /* rowlen */
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1, /* ascii */
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0, /* settings->invlen */
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"\n\t", /* dump_prefix */
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};
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static int cw_format_dump_row(char *dst, const uint8_t * data, int len){
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char *pdst = dst;
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int i;
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char *sp;
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for (i = 0; i < len; i++) {
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sp = ((i+1)%4==0 && i<len-1) ? "|" : " ";
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pdst += sprintf(pdst, "%02X%s", data[i] & 0xff, sp);
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}
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pdst+=sprintf(pdst," ");
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for (i = 0; i < len; i++) {
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int c = data[i] & 0xff;
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if (c < 0x20 || c > 0x7f)
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c = '.';
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pdst+=sprintf(pdst,"%c",c);
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}
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pdst+=sprintf(pdst,"%s","\n");
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return pdst-dst;
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}
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/**
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* Create an ASCII hex dump of binary data
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*
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* @param data data to dump
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* @param len number of bytes to dump (size of data)
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* @return a character string with the created data ASCII
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* dump (must be released with free).If memory cannot be allocated
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* the return value is NULL.
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*/
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char *cw_format_dump(const uint8_t * data, int len,
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struct cw_FormatDumpSettings *settings)
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{
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int i;
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int row,rows;
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if (!settings)
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settings = &CW_FORMAT_DUMP_SETTINGS;
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rows = len / settings->rowlen;
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printf("Number fo rows: %d\n",rows);
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int md;
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if (settings->ascii)
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md = 2;
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else
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md = 1;
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char *dst = malloc(2 * (md * (len * 3 + (rows * 2) + 8 )));
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if (!dst)
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return NULL;
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if (len % settings->rowlen)
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rows++;
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char *pdst = dst;
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pdst += sprintf(pdst, "%s",settings->dump_prefix);
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/* pdst += 2; */
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char asc_buffer[128];
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char *ascdst = asc_buffer;
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pdst = dst;
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for (row; row<rows; row++){
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int n;
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pdst += cw_format_dump_row(pdst,data+row*settings->rowlen,settings->rowlen);
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}
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return dst;
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for (i = 0; i < len; i++) {
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char *sp = " ";
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if (i == settings->invlen - 1)
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sp = "|";
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pdst += sprintf(pdst, "%02X%s", data[i] & 0xff, sp);
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if (settings->ascii) {
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int c = data[i] & 0xff;
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if (c < 0x20 || c > 0x7f)
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c = '.';
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*ascdst = c;
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ascdst++;
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}
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if ((i + 1) % settings->rowlen == 0) {
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int l;
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if (settings->ascii) {
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*ascdst = 0;
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l = sprintf(pdst, " | %s\n\t", asc_buffer);
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ascdst = asc_buffer;
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} else {
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l = sprintf(pdst, "\n\t");
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}
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pdst += l;
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}
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}
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if (settings->ascii) {
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*ascdst = 0;
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if (strlen(asc_buffer))
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pdst += sprintf(pdst, " | %s", asc_buffer);
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}
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return dst;
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}
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