version bump: v2.0.2

Previously it couldn't find the currect user/session because the last
newline character was present in the field

CHANGELOG.md

@@ -4,6 +4,10 @@
 <!-- By "very relevant" I mean big features or something manual packagers should know, like leftover files -->
 <!-- Once a release would be opened, group the last bunch of dangling changes, add release version as header and its date -->
 
+# 2.0.2
+
+- fix off-by-one error with launch state save
+
 # 2.0.1
 
 - source and header files can be nested in `src/` and `include/`

Makefile

@@ -1,4 +1,4 @@
-VERSION := 2.0.1
+VERSION := 2.0.2
 .DEFAULT_GOAL := lidm
 
 CDIR = src

src/launch_state.c

@@ -22,16 +22,16 @@ int read_launch_state(struct LaunchState* NNULLABLE state) {
 
   size_t num = 0;
   ssize_t chars = getline(&state->username, &num, state_fd);
-  if (chars < 0) goto fail;
+  if (chars <= 0) goto fail;
-  if (state->username[chars] == '\n') state->username[chars] = 0;
+  if (state->username[chars - 1] == '\n') state->username[chars - 1] = 0;
 
   num = 0;
   chars = getline(&state->session_opt, &num, state_fd);
-  if (chars < 0) {
+  if (chars <= 0) {
     free(state->session_opt);
     goto fail;
   }
-  if (state->session_opt[chars] == '\n') state->session_opt[chars] = 0;
+  if (state->session_opt[chars - 1] == '\n') state->session_opt[chars - 1] = 0;
 
   (void)fclose(state_fd);
   return 0;