Introduced colored loggin.

FossilOrigin-Name: 55fc8222563fd1a327c866a216bf590a28190fed0d9509ac35667b349637619b

src/capwap/dbg.c

@@ -68,3 +68,95 @@ void cw_dbg_packet(struct conn *conn, uint8_t * packet, int len)
 }
 
 
+void cw_log_dbg_dmp_(int level, const char *file, int line,
+		     const uint8_t * data, int len, const char *format, ...)
+{
+
+	if (!(level & cw_dbg_opt_level))
+		return;
+
+
+	int maxtlen = 2048;
+	int i;
+	int rowlen = CW_LOG_DUMP_ROW_LEN;
+	int rows = len / rowlen;
+	int tlen = 0;
+
+	int md;
+	if (cw_dbg_opt_detail & DBG_DETAIL_ASC_DMP)
+		md = 2;
+	else
+		md = 1;
+
+
+
+	char *dst = malloc(md * (len * 3 + (rows * 2) + 8 + maxtlen));
+	if (!dst)
+		return;
+
+	if (format != NULL) {
+		va_list args;
+		va_start(args, format);
+		tlen = vsnprintf(dst, maxtlen, format, args);
+		va_end(args);
+	}
+
+
+
+	if (len % CW_LOG_DUMP_ROW_LEN)
+		rows++;
+
+
+
+	char *pdst = dst + tlen;
+	sprintf(pdst, "\n\t");
+	pdst += 2;
+
+	char asc_buffer[128];
+	char *ascdst = asc_buffer;
+
+	for (i = 0; i < len; i++) {
+		sprintf(pdst, "%02X ", data[i] & 0xff);
+
+		if (cw_dbg_opt_detail & DBG_DETAIL_ASC_DMP) {
+			int c = data[i] & 0xff;
+			if (c < 0x20 || c > 0x80)
+				c = '.';
+			*ascdst = c;
+			ascdst++;
+		}
+
+		pdst += 3;
+		if ((i + 1) % rowlen == 0) {
+			int l;
+			if (cw_dbg_opt_detail & DBG_DETAIL_ASC_DMP) {
+				*ascdst = 0;
+				l = sprintf(pdst, " | %s\n\t", asc_buffer);
+				ascdst = asc_buffer;
+
+			} else {
+				l = sprintf(pdst, "\n\t");
+			}
+			pdst += l;
+		}
+
+	}
+
+	if (cw_dbg_opt_detail & DBG_DETAIL_ASC_DMP) {
+		*ascdst = 0;
+		if (strlen(asc_buffer))
+			pdst += sprintf(pdst, " | %s", asc_buffer);
+
+	}
+
+	if (cw_dbg_opt_detail & DBG_DETAIL_LINE_NUMBERS)
+		cw_log(LOG_DEBUG, "%s:%d: %s", file, line, dst);
+	else
+		cw_log(LOG_DEBUG, dst);
+
+	free(dst);
+	return;
+}
+
+
+