Constify a lot more items.

[libsigrok.git] / src / libsigrok-internal.h

diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h
index 4f44b53b70c6a871f9aa6f435c9a6bf8ba152b1f..84ad295ef61de0ee1204e83c54299668cf6fe1b6 100644 (file)
--- a/src/libsigrok-internal.h
+++ b/src/libsigrok-internal.h
@@ -288,7 +288,7 @@ struct sr_input_module {
         * Returns a NULL-terminated list of options this module can take.
         * Can be NULL, if the module has no options.
         */
-       struct sr_option *(*options) (void);
+       const struct sr_option *(*options) (void);
 
        /**
         * Check if this input module can load and parse the specified stream.
@@ -383,7 +383,7 @@ struct sr_output_module {
         * A unique ID for this output module, suitable for use in command-line
         * clients, [a-z0-9-]. Must not be NULL.
         */
-       char *id;
+       const char *id;
 
        /**
         * A unique name for this output module, suitable for use in GUI
@@ -397,7 +397,7 @@ struct sr_output_module {
         * This can be displayed by frontends, e.g. when selecting the output
         * module for saving a file.
         */
-       char *desc;
+       const char *desc;
 
        /**
         * A NULL terminated array of strings containing a list of file name
@@ -491,7 +491,7 @@ struct sr_transform_module {
         * A unique ID for this transform module, suitable for use in
         * command-line clients, [a-z0-9-]. Must not be NULL.
         */
-       char *id;
+       const char *id;
 
        /**
         * A unique name for this transform module, suitable for use in GUI
@@ -505,7 +505,7 @@ struct sr_transform_module {
         * This can be displayed by frontends, e.g. when selecting
         * which transform module(s) to add.
         */
-       char *desc;
+       const char *desc;
 
        /**
         * Returns a NULL-terminated list of options this transform module