gdb_server: Log both incoming and outgoing GDB packets

[openocd.git] / src / helper / log.c

diff --git a/src/helper/log.c b/src/helper/log.c
index f5a80623f36a2a1e1e24ef65d08c829b1b022a34..36b59fe77198bd528ca81da56be12140a92a05d6 100644 (file)
--- a/src/helper/log.c
+++ b/src/helper/log.c
@@ -518,3 +518,16 @@ void log_socket_error(const char *socket_desc)
        LOG_ERROR("Error on socket '%s': errno==%d, message: %s.", socket_desc, error_code, strerror(error_code));
 #endif
 }
+
+/**
+ * Find the first non-printable character in the char buffer, return a pointer to it.
+ * If no such character exists, return NULL.
+ */
+char *find_nonprint_char(char *buf, unsigned buf_len)
+{
+       for (unsigned int i = 0; i < buf_len; i++) {
+               if (!isprint(buf[i]))
+                       return buf + i;
+       }
+       return NULL;
+}