From 50f345b10e489c3099497c10f493663fee631683 Mon Sep 17 00:00:00 2001
From: Luke Bratch <luke@bratch.co.uk>
Date: Wed, 29 May 2019 21:13:16 +0100
Subject: Don't exit if there's a failure to read/write from/to the replay log
 file.

---
 replay.c | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

(limited to 'replay.c')

diff --git a/replay.c b/replay.c
index 410463b..7201082 100644
--- a/replay.c
+++ b/replay.c
@@ -154,6 +154,7 @@ int replaylines(int seconds, char *basedir) {
   if (fp == NULL) {
     printf("error: could not open replay log '%s'.\n", filename);
     // Assume the file just doesn't exist yet - TODO - Interpret error codes to see what happened.
+    fclose(fp);
     return 0;
   }
 
@@ -198,8 +199,9 @@ int readreplayline(int seconds, int linenum, char *str, char *basedir) {
   fp = fopen(filename, "r");
 
   if (fp == NULL) {
-    printf("error: could not open replay log '%s'.\n", filename);
-    exit(1);
+    debugprint("error: could not open replay log '%s'.\n", filename);
+    fclose(fp);
+    return 0;
   }
 
   // Get the current time for comparison later
@@ -209,8 +211,9 @@ int readreplayline(int seconds, int linenum, char *str, char *basedir) {
     // Read the timestamp from each line
     int timestamp = gettimestamp(line);
     if (timestamp < 1) {
-      printf("Error reading timestamp from replay log file.\n");
-      exit(1);
+      debugprint("Error reading timestamp from replay log file.\n");
+      fclose(fp);
+      return 0;
     }
 
     // If the line is within range of the requested time...
@@ -254,8 +257,9 @@ int writereplayline(char *str, char *basedir) {
   fp = fopen(filename, "a");
 
   if (fp == NULL) {
-    printf("error: could not open replay log '%s' for writing.\n", filename);
-    exit(1);
+    debugprint("error: could not open replay log '%s' for writing.\n", filename);
+    fclose(fp);
+    return 0;
   }
 
   // Get the current time and manipulate it into a C string
@@ -274,8 +278,9 @@ int writereplayline(char *str, char *basedir) {
 
   // Write complete line to file
   if ((bytes = fprintf(fp, "%s", line)) < 0) {
-    printf("error: could not write to replay log file.\n");
-    exit(1);
+    debugprint("error: could not write to replay log file.\n");
+    fclose(fp);
+    return 0;
   }
 
   fclose(fp);
-- 
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