From ba99b81a7849177c5a91b21af2fe1a51429d6da9 Mon Sep 17 00:00:00 2001
From: Pentium44 <cdorm245@gmail.com>
Date: Mon, 5 Jul 2021 23:26:28 -0700
Subject: [PATCH] Leaky fix to decompress, working fragile example

---
 src/inc/tar.h   | 6 +++---
 src/lexer.c     | 2 +-
 src/lz78/lz78.c | 8 ++++++--
 src/tar.c       | 4 ----
 4 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/inc/tar.h b/src/inc/tar.h
index 5a6c862..885c0dd 100644
--- a/src/inc/tar.h
+++ b/src/inc/tar.h
@@ -58,13 +58,13 @@ extern void tar_free_pool (void);
 
 // tar entry metadata structure (singly-linked list)
 struct tar_t {
-    char original_name[1024];                // original filenme; only availible when writing into a tar
+    char original_name[100];                // original filenme; only availible when writing into a tar
     unsigned int begin;                     // location of data in file (including metadata)
     union {
         union {
             // Pre-POSIX.1-1988 format
             struct {
-                char name[1024];             // file name
+                char name[100];             // file name
                 char mode[8];               // permissions
                 char uid[8];                // user id (octal)
                 char gid[8];                // group id (octal)
@@ -72,7 +72,7 @@ struct tar_t {
                 char mtime[12];             // modification time (octal)
                 char check[8];              // sum of unsigned characters in block, with spaces in the check field while calculation is done (octal)
                 char link;                  // link indicator
-                char link_name[1024];        // name of linked file
+                char link_name[100];        // name of linked file
             };
 
             // UStar format (POSIX IEEE P1003.1)
diff --git a/src/lexer.c b/src/lexer.c
index e1abe54..183c363 100644
--- a/src/lexer.c
+++ b/src/lexer.c
@@ -536,7 +536,7 @@ char *process_line (char *line)
         }
 
         /* Destroyes the wrapper instance */
-        wrapper_destroy(lzwrapper);
+        //wrapper_destroy(lzwrapper);
 
         // open existing file
         if ((fd = open(filedecout, O_RDWR)) < 0) {
diff --git a/src/lz78/lz78.c b/src/lz78/lz78.c
index cc342b7..f988664 100644
--- a/src/lz78/lz78.c
+++ b/src/lz78/lz78.c
@@ -242,7 +242,11 @@ void ht_dictionary_reset(ht_dictionary* d) {
 
 void ht_dictionary_destroy(ht_dictionary* d) {
     if (d != NULL)
-        free(d);
+    {
+        //free(d);
+        printf("I SHOULD BE FREEING MEMORY RIGHT NOW!\n");
+        // This is obviously going to be fixed in due course.
+    }
 }
 
 dictionary* dictionary_new(uint32_t d_size) {
@@ -627,7 +631,7 @@ void lz78_destroy(lz78_instance *lz78) {
             case LZ78_MODE_DECOMPRESS:
                 d = (lz78_d*)&lz78->state;
                 if (d != NULL) {
-                    dictionary_destroy(d->main);
+                    //dictionary_destroy(d->main);
                     ht_dictionary_destroy(d->secondary);
                 }
                 break;
diff --git a/src/tar.c b/src/tar.c
index 9eacee8..c74fdcf 100644
--- a/src/tar.c
+++ b/src/tar.c
@@ -687,15 +687,11 @@ int format_tar_data(struct tar_t * entry, const char * filename, const char verb
     memset(entry, 0, sizeof(struct tar_t));
     strcpy(entry -> original_name, filename);
     strcpy(entry -> name, filename + move);
-    printf("Structure sizes: %d %d %d %d %d\n", sizeof(entry -> mode),
-           sizeof(entry -> uid), sizeof(entry -> gid), sizeof(entry -> size), sizeof(entry -> mtime));
     snprintf(entry -> mode,  sizeof(entry -> mode),  "%07o", st.st_mode & 0777);
     snprintf(entry -> uid,   sizeof(entry -> uid),   "%07o", st.st_uid);
     snprintf(entry -> gid,   sizeof(entry -> gid),   "%07o", st.st_gid);
     snprintf(entry -> size,  sizeof(entry -> size),  "%011o", (int) st.st_size);
     snprintf(entry -> mtime, sizeof(entry -> mtime), "%011o", (int) st.st_mtime);
-    printf("%07o%07o%07o%011o%011o\n", st.st_mode & 0777, st.st_uid, st.st_gid,
-					(int) st.st_size, (int) st.st_mtime);
     strncpy(entry -> group, "None", 5);                     // default value
     memcpy(entry -> ustar, "ustar  \x00", 8);