From 9b4d09c6733e088410f1e7b0c1372fd2b8fe182e Mon Sep 17 00:00:00 2001
From: Kevin Day <thekevinday@gmail.com>
Date: Tue, 9 Nov 2021 21:58:44 -0600
Subject: [PATCH] Regression: NULL is being printed and fix inline function.

The NULL character should not be printed for "safely" print functions.

The private inline functions should be made static.
---
 level_0/f_print/c/print_to.c         |  2 +-
 level_0/f_print/c/private-print.c    | 33 ++++++++++++++++++++++++++++++---
 level_0/f_print/c/private-print_to.c | 35 +++++++++++++++++++++++++++++++----
 3 files changed, 62 insertions(+), 8 deletions(-)

diff --git a/level_0/f_print/c/print_to.c b/level_0/f_print/c/print_to.c
index 59e6e8c..fab6fa8 100644
--- a/level_0/f_print/c/print_to.c
+++ b/level_0/f_print/c/print_to.c
@@ -14,7 +14,7 @@ extern "C" {
  * @return
  *   The appropriate status.
  */
-inline f_status_t private_inline_f_print_to_error() {
+static inline f_status_t private_inline_f_print_to_error() {
   if (errno == EAGAIN || errno == EWOULDBLOCK) return F_status_set_error(F_block);
   if (errno == EBADF) return F_status_set_error(F_file_descriptor);
   if (errno == EDESTADDRREQ) return F_status_set_error(F_socket_not);
diff --git a/level_0/f_print/c/private-print.c b/level_0/f_print/c/private-print.c
index 980c2cb..393124b 100644
--- a/level_0/f_print/c/private-print.c
+++ b/level_0/f_print/c/private-print.c
@@ -305,7 +305,16 @@ extern "C" {
         safe = private_f_print_character_safely_get(string[i]);
       }
       else {
-        safe = 0;
+        if (total) {
+          if (fwrite_unlocked(string + start, 1, total, output) == -1) {
+            return F_status_set_error(F_output);
+          }
+
+          total = 0;
+        }
+
+        start = ++i;
+        continue;
       }
 
       width = macro_f_utf_character_t_width(string[i]);
@@ -463,7 +472,16 @@ extern "C" {
         safe = private_f_print_character_safely_get(string[i]);
       }
       else {
-        safe = 0;
+        if (total) {
+          if (fwrite_unlocked(string + start, 1, total, output) == -1) {
+            return F_status_set_error(F_output);
+          }
+
+          total = 0;
+        }
+
+        start = ++i;
+        continue;
       }
 
       width = macro_f_utf_character_t_width(string[i]);
@@ -592,7 +610,16 @@ extern "C" {
         safe = private_f_print_character_safely_get(string[i]);
       }
       else {
-        safe = 0;
+        if (total) {
+          if (fwrite_unlocked(string + start, 1, total, output) == -1) {
+            return F_status_set_error(F_output);
+          }
+
+          total = 0;
+        }
+
+        start = ++i;
+        continue;
       }
 
       width = macro_f_utf_character_t_width(string[i]);
diff --git a/level_0/f_print/c/private-print_to.c b/level_0/f_print/c/private-print_to.c
index 30d2dce..00c81ce 100644
--- a/level_0/f_print/c/private-print_to.c
+++ b/level_0/f_print/c/private-print_to.c
@@ -14,7 +14,7 @@ extern "C" {
  * @return
  *   The appropriate status.
  */
-inline f_status_t private_inline_f_print_to_error() {
+static inline f_status_t private_inline_f_print_to_error() {
   if (errno == EAGAIN || errno == EWOULDBLOCK) return F_status_set_error(F_block);
   if (errno == EBADF) return F_status_set_error(F_file_descriptor);
   if (errno == EDESTADDRREQ) return F_status_set_error(F_socket_not);
@@ -218,7 +218,16 @@ inline f_status_t private_inline_f_print_to_error() {
         safe = private_f_print_character_safely_get(string[i]);
       }
       else {
-        safe = 0;
+        if (total) {
+          if (write(id, string + start, total) == -1) {
+            return private_inline_f_print_to_error();
+          }
+
+          total = 0;
+        }
+
+        start = ++i;
+        continue;
       }
 
       if (safe) {
@@ -489,7 +498,16 @@ inline f_status_t private_inline_f_print_to_error() {
         safe = private_f_print_character_safely_get(string[i]);
       }
       else {
-        safe = 0;
+        if (total) {
+          if (write(id, string + start, total) == -1) {
+            return private_inline_f_print_to_error();
+          }
+
+          total = 0;
+        }
+
+        start = ++i;
+        continue;
       }
 
       if (safe) {
@@ -623,7 +641,16 @@ inline f_status_t private_inline_f_print_to_error() {
         safe = private_f_print_character_safely_get(string[i]);
       }
       else {
-        safe = 0;
+        if (total) {
+          if (write(id, string + start, total) == -1) {
+            return private_inline_f_print_to_error();
+          }
+
+          total = 0;
+        }
+
+        start = ++i;
+        continue;
       }
 
       if (safe) {
-- 
1.8.3.1