From afe0498f21ac8b09c7b31ae1d0814fd7006201cf Mon Sep 17 00:00:00 2001
From: Ian Jauslin <ian.jauslin@rutgers.edu>
Date: Thu, 5 Jun 2025 14:55:34 +0200
Subject: [PATCH] Fix remove_entry

---
 src/io.c | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/src/io.c b/src/io.c
index 098734f..0acb358 100644
--- a/src/io.c
+++ b/src/io.c
@@ -258,23 +258,38 @@ int remove_entry(
   char* rw_ptr;
   char* bfr;
   char* entry_ptr=entry;
+  // whether to write the entry
   int go=1;
+  // whether the pointer is at the beginning of the entry
+  int at_top=1;
 
   for(ptr=param_str, rw_ptr=ptr; *ptr!='\0'; ptr++){
-    for(bfr=ptr,entry_ptr=entry; *bfr==*entry_ptr; bfr++, entry_ptr++){
-      // check if reached end of entry
-      if(*(bfr+1)=='=' && *(entry_ptr+1)=='\0'){
-	go=0;
-	break;
+    // only match entries if one is at the beginning of an entry
+    if(at_top==1){
+      // check that the entry under ptr matches entry
+      for(bfr=ptr,entry_ptr=entry; *bfr==*entry_ptr; bfr++, entry_ptr++){
+	// check if reached end of entry
+	if(*(bfr+1)=='=' && *(entry_ptr+1)=='\0'){
+	  // match: do not write entry
+	  go=0;
+	  break;
+	}
       }
     }
+
+    // write entry
     if(go==1){
       *rw_ptr=*ptr;
       rw_ptr++;
     }
+
+    // next iterate will no longer be at the beginning of the entry
+    at_top=0;
+
     //reset
     if(*ptr==';'){
       go=1;
+      at_top=1;
     }
   }
   *rw_ptr='\0';