From 753250b4e8b05a22ecd72d2cacf092faba15562b Mon Sep 17 00:00:00 2001
From: thunder2 <thunder2@users.sourceforge.net>
Date: Tue, 21 Dec 2021 09:03:56 +0100
Subject: [PATCH] Added os specific RsFileUtil::rs_getline

---
 libretroshare/src/tor/TorProcess.cpp |  2 +-
 libretroshare/src/util/rsfile.cc     | 56 ++++++++++++++++++++++++++++
 libretroshare/src/util/rsfile.h      |  3 ++
 3 files changed, 60 insertions(+), 1 deletion(-)

diff --git a/libretroshare/src/tor/TorProcess.cpp b/libretroshare/src/tor/TorProcess.cpp
index 04f62a12a..1836c4f4e 100644
--- a/libretroshare/src/tor/TorProcess.cpp
+++ b/libretroshare/src/tor/TorProcess.cpp
@@ -409,7 +409,7 @@ bool TorProcess::tryReadControlPort()
         char *line = nullptr;
         size_t tmp_buffsize = 0;
 
-        size_t size = getline(&line,&tmp_buffsize,file);
+        size_t size = RsFileUtil::rs_getline(&line,&tmp_buffsize,file);
         ByteArray data = ByteArray((unsigned char*)line,size).trimmed();
         free(line);
 
diff --git a/libretroshare/src/util/rsfile.cc b/libretroshare/src/util/rsfile.cc
index fc9f12c21..6d3f7b1ab 100644
--- a/libretroshare/src/util/rsfile.cc
+++ b/libretroshare/src/util/rsfile.cc
@@ -26,6 +26,7 @@
 #include <wtypes.h>
 #include <io.h>
 #include <namedpipeapi.h>
+#include <errno.h>
 #else
 #include <fcntl.h>
 #endif
@@ -49,3 +50,58 @@ int RsFileUtil::set_fd_nonblock(int fd)
 
     return ret;
 }
+
+ssize_t RsFileUtil::rs_getline(char **lineptr, size_t *n, FILE *stream)
+{
+/******************* OS SPECIFIC PART ******************/
+#ifdef WINDOWS_SYS
+    if (lineptr == nullptr || n == nullptr || stream == nullptr) {
+        errno = EINVAL;
+        return -1;
+    }
+
+    if (*lineptr == nullptr || *n < 1) {
+        *n = BUFSIZ;
+        *lineptr = (char*) malloc(*n);
+        if (*lineptr == nullptr) {
+            *n = 0;
+            return -1;
+        }
+    }
+
+    char *ptr = *lineptr;
+    while (true) {
+        int c = fgetc(stream);
+        if (c == -1) {
+            if (feof(stream)) {
+                *ptr = '\0';
+                return (ssize_t) (ptr - *lineptr);
+            }
+            return -1;
+        }
+
+        *ptr = c;
+        ++ptr;
+
+        if (c == '\n') {
+            *ptr = '\0';
+            return ptr - *lineptr;
+        }
+        if (ptr + 2 >= *lineptr + *n) {
+            size_t new_size = *n * 2;
+            ssize_t diff = ptr - *lineptr;
+
+            char *new_lineptr = (char*) realloc(*lineptr, new_size);
+            if (new_lineptr == nullptr) {
+                return -1;
+            }
+
+            *lineptr = new_lineptr;
+            *n = new_size;
+            ptr = new_lineptr + diff;
+        }
+    }
+#else // ie UNIX
+    return getline(lineptr, n, stream);
+#endif
+}
diff --git a/libretroshare/src/util/rsfile.h b/libretroshare/src/util/rsfile.h
index 7569b5af5..9a23b6a4c 100644
--- a/libretroshare/src/util/rsfile.h
+++ b/libretroshare/src/util/rsfile.h
@@ -22,8 +22,11 @@
 
 #pragma once
 
+#include <stdio.h>
+
 namespace RsFileUtil {
 
 int set_fd_nonblock(int fd);
+ssize_t rs_getline(char **lineptr, size_t *n, FILE *stream);
 
 }