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-rw-r--r--tools/gpgconf-comp.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/tools/gpgconf-comp.c b/tools/gpgconf-comp.c
index 180fd65c2..641738ebb 100644
--- a/tools/gpgconf-comp.c
+++ b/tools/gpgconf-comp.c
@@ -2573,7 +2573,20 @@ copy_file (const char *src_name, const char *dst_name)
/* Create and verify the new configuration file for the specified
- backend and component. Returns 0 on success and -1 on error. */
+ * backend and component. Returns 0 on success and -1 on error. This
+ * function may store pointers to malloced strings in SRC_FILENAMEP,
+ * DEST_FILENAMEP, and ORIG_FILENAMEP. Those must be freed by the
+ * caller. The strings refer to three versions of the configuration
+ * file:
+ *
+ * SRC_FILENAME: The updated configuration is written to this file.
+ * DEST_FILENAME: Name of the configuration file read by the
+ * component.
+ * ORIG_FILENAME: A backup of the previous configuration file.
+ *
+ * To apply the configuration change, rename SRC_FILENAME to
+ * DEST_FILENAME. To revert to the previous configuration, rename
+ * ORIG_FILENAME to DEST_FILENAME. */
static int
change_options_file (gc_component_t component, gc_backend_t backend,
char **src_filenamep, char **dest_filenamep,
@@ -2882,7 +2895,19 @@ change_options_file (gc_component_t component, gc_backend_t backend,
/* Create and verify the new configuration file for the specified
* backend and component. Returns 0 on success and -1 on error. If
- * VERBATIM is set the profile mode is used. */
+ * VERBATIM is set the profile mode is used. This function may store
+ * pointers to malloced strings in SRC_FILENAMEP, DEST_FILENAMEP, and
+ * ORIG_FILENAMEP. Those must be freed by the caller. The strings
+ * refer to three versions of the configuration file:
+ *
+ * SRC_FILENAME: The updated configuration is written to this file.
+ * DEST_FILENAME: Name of the configuration file read by the
+ * component.
+ * ORIG_FILENAME: A backup of the previous configuration file.
+ *
+ * To apply the configuration change, rename SRC_FILENAME to
+ * DEST_FILENAME. To revert to the previous configuration, rename
+ * ORIG_FILENAME to DEST_FILENAME. */
static int
change_options_program (gc_component_t component, gc_backend_t backend,
char **src_filenamep, char **dest_filenamep,