From efceadecd1bc48e2169bdf693058b2be25249827 Mon Sep 17 00:00:00 2001
From: Oskar <open7software@gmail.com>
Date: Wed, 3 Apr 2024 22:22:19 +0200
Subject: new check_length_fix_stdin. It checks length of buffers and seems to
 also fix the situation where if i input more characters in to fgets than
 allowed the characters sort of get stuck in stdin and thats a problem. Seems
 like this function fixes this.

---
 input.c                   | 30 +++++++++++++++++++-----------
 input.h                   |  1 +
 process_multiples.c       |  5 +++--
 test/testgrounds/file.txt |  2 +-
 4 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/input.c b/input.c
index db1fef7..86e0d36 100644
--- a/input.c
+++ b/input.c
@@ -8,26 +8,34 @@
 #include "i_validation.h"
 #include <stdint.h>
 
-int smode_input(char *single, char **multiple, uint64_t focus) { // This function is for input then calls the appropriate validator 
-
-    // char *single is for p, e, c, q, a
-    // char **multiple is for L, n, x and d. Although it can be expanded to be used in p and e. 
-
-    char smode_buf[SMODE_MAX_SIZE] = { '\0' }; // Smode buffer
-    fprintf(stdout, "(%lu): ", focus); // UI
-    fgets(smode_buf, SMODE_MAX_SIZE, stdin); // Read user input
+int check_length_fix_stdin(char *smode_buf) {
     
     int sbl = 0;
-    for ( ; sbl < SMODE_MAX_SIZE ; sbl++) {
-        if(smode_buf[sbl] == '\0') {
+    for ( ; sbl < SMODE_MAX_INPUT_SIZE ; sbl++) {
+        if(smode_buf[sbl] == '\0' || smode_buf[sbl] == '\n') {
             break;
         }
     }
     if (sbl >= SMODE_MAX_INPUT_SIZE) {
-        fprintf(stderr, "sbl > SMODE_MAX_SIZE\n");
+        char c;
+        while ((c = getchar()) != '\n');
+        //fprintf (stderr, "sbl > SMODE_MAX_SIZE\n");
         return _FAIL;
     }
 
+    return 0;
+}
+
+int smode_input(char *single, char **multiple, uint64_t focus) { // This function is for input then calls the appropriate validator 
+
+    // char *single is for p, e, c, q, a
+    // char **multiple is for L, n, x and d. Although it can be expanded to be used in p and e. 
+
+    char smode_buf[SMODE_MAX_SIZE] = { '\0' }; // Smode buffer
+    fprintf(stdout, "(%lu): ", focus); // UI
+    fgets(smode_buf, SMODE_MAX_SIZE, stdin); // Read user input
+    if(check_length_fix_stdin(smode_buf) == _FAIL) { return _FAIL; }
+
     switch (smode_buf[0]) {
                 // from L to D there will be the 'Multiple' options. In their respective cases i will check if the input is valid or not.
                 // I will not make the program clean the input because that could lead to assumptions.
diff --git a/input.h b/input.h
index cd4ef19..c2b87ef 100644
--- a/input.h
+++ b/input.h
@@ -19,3 +19,4 @@
                     // _FAIL and _INVALID are sorta tied to eachother
 
 int smode_input(char *single, char **multiple, uint64_t focus);
+int check_length_fix_stdin(char *smode_buf);
diff --git a/process_multiples.c b/process_multiples.c
index 0acd82d..5abbdfa 100644
--- a/process_multiples.c
+++ b/process_multiples.c
@@ -33,9 +33,10 @@ uint64_t call_L_plus_minus_continue(char *multiple) {
 
 uint64_t call_L_only(uint64_t focus, uint64_t Flines) {
 
-    char buf[32] = { '\0' };
+    char buf[33] = { '\0' };
     fprintf(stdout, "(L): ");
-    fgets(buf, 30, stdin);
+    fgets(buf, 32, stdin);
+    if(check_length_fix_stdin(buf) == _FAIL) { return _FAIL; }
 
     if (buf[0] == '\n') {
         return focus;
diff --git a/test/testgrounds/file.txt b/test/testgrounds/file.txt
index 42bd85b..9a366a7 100644
--- a/test/testgrounds/file.txt
+++ b/test/testgrounds/file.txt
@@ -1,7 +1,7 @@
 what!
 
 
-
+hello
 
 
 lksdjflsdjfls209432+093+20943????01+230+2,.,-.,-,-.,-.,.,..,.,.,¨.¨,¨.,¨.´.´,´.,´.,´.´,.´,.´.´,´.????`?`?`?`?`?`?`?`?`???????!!!!!!!!
-- 
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