new debug functions - work on hex dump

FossilOrigin-Name: c76afdd26f14000b912fea5a052abf0338c8515871ae526fef727a828924d2e7

src/cw/cw_format_dump.c

@@ -0,0 +1,135 @@
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "format.h"
+
+
+static struct cw_FormatDumpSettings CW_FORMAT_DUMP_SETTINGS = {
+	32/*CW_FORMAT_DUMP_ROW_LEN*/,	/* rowlen */
+	1,				/* ascii */
+	0,				/* settings->invlen */
+	"\n\t",				/* dump_prefix */
+};
+
+
+
+
+static int cw_format_dump_row(char *dst, const uint8_t * data, int len){
+	char *pdst = dst;
+	int i;
+	char *sp;
+	for (i = 0; i < len; i++) {
+		sp = ((i+1)%4==0 && i<len-1) ? "|" : " ";
+		pdst += sprintf(pdst, "%02X%s", data[i] & 0xff, sp);
+	}
+	
+	pdst+=sprintf(pdst,"   ");
+	
+	for (i = 0; i < len; i++) {
+		int c = data[i] & 0xff;
+		if (c < 0x20 || c > 0x7f)
+			c = '.';
+		pdst+=sprintf(pdst,"%c",c);
+	}
+
+	pdst+=sprintf(pdst,"%s","\n");
+	return pdst-dst;
+}
+
+
+
+/**
+ * Create an ASCII hex dump of binary data
+ * 
+ * @param data data to dump
+ * @param len number of bytes to dump (size of data)
+ * @return a character string with the created data ASCII 
+ * dump (must be released with free).If memory cannot be allocated
+ * the return value is NULL.
+ */
+char *cw_format_dump(const uint8_t * data, int len, 
+	struct cw_FormatDumpSettings *settings)
+{
+	int i;
+
+	int row,rows;
+	
+
+	
+
+	if (!settings)
+		settings = &CW_FORMAT_DUMP_SETTINGS;
+
+	rows = len / settings->rowlen;
+	
+	printf("Number fo rows: %d\n",rows);
+
+	int md;
+	if (settings->ascii)
+		md = 2;
+	else
+		md = 1;
+
+	char *dst = malloc(2 * (md * (len * 3 + (rows * 2) + 8 )));
+	if (!dst)
+		return NULL;
+
+	if (len % settings->rowlen)
+		rows++;
+
+	char *pdst = dst;
+	
+	pdst += sprintf(pdst, "%s",settings->dump_prefix);
+/*	pdst += 2; */
+
+	char asc_buffer[128];
+	char *ascdst = asc_buffer;
+
+	pdst = dst;
+	for (row; row<rows; row++){
+		int n;
+		pdst += cw_format_dump_row(pdst,data+row*settings->rowlen,settings->rowlen);
+	}
+	return dst;
+
+
+	for (i = 0; i < len; i++) {
+		char *sp = " ";
+		if (i == settings->invlen - 1)
+			sp = "|";
+
+		pdst += sprintf(pdst, "%02X%s", data[i] & 0xff, sp);
+		if (settings->ascii) {
+			int c = data[i] & 0xff;
+			if (c < 0x20 || c > 0x7f)
+				c = '.';
+			*ascdst = c;
+			ascdst++;
+		}
+
+		if ((i + 1) % settings->rowlen == 0) {
+			int l;
+			if (settings->ascii) {
+				*ascdst = 0;
+				l = sprintf(pdst, " | %s\n\t", asc_buffer);
+				ascdst = asc_buffer;
+
+			} else {
+				l = sprintf(pdst, "\n\t");
+			}
+			pdst += l;
+		}
+
+	}
+
+	if (settings->ascii) {
+		*ascdst = 0;
+		if (strlen(asc_buffer))
+			pdst += sprintf(pdst, " | %s", asc_buffer);
+	}
+
+	return dst;
+}
+