X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fio%2Fsg_file.cxx;h=250518d847f5f99f6d26d7070c4521b2d5f10290;hb=427d6c3316e59aa86bbf4d3e51f522e0aba9c4fd;hp=213a17908a66fa5320f9d5b84a750fd441782a50;hpb=d4c7e950927b1e19a7a7622a7919f32233a6b7a8;p=simgear.git

diff --git a/simgear/io/sg_file.cxx b/simgear/io/sg_file.cxx
index 213a1790..250518d8 100644
--- a/simgear/io/sg_file.cxx
+++ b/simgear/io/sg_file.cxx
@@ -25,12 +25,20 @@
 
 #include <string>
 
-#if defined(_MSC_VER) || defined(__MINGW32__)
+#ifdef _WIN32
 #  include <io.h>
 #endif
 
 #include <cstring>
 
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#if !defined(_MSC_VER)
+# include <unistd.h>
+#endif
+
 #include <simgear/misc/stdint.hxx>
 #include <simgear/debug/logstream.hxx>
 
@@ -38,13 +46,20 @@
 
 using std::string;
 
-
-SGFile::SGFile(const string &file, bool repeat_)
-    : file_name(file), fp(-1), eof_flag(true), repeat(repeat_)
+SGFile::SGFile(const string &file, int repeat_)
+    : file_name(file), fp(-1), eof_flag(true), repeat(repeat_), iteration(0)
 {
     set_type( sgFileType );
 }
 
+SGFile::SGFile( int existingFd ) :
+    fp(existingFd),
+    eof_flag(false),
+    repeat(1),
+    iteration(0)
+{
+    set_type( sgFileType );
+}
 
 SGFile::~SGFile() {
 }
@@ -55,7 +70,7 @@ bool SGFile::open( const SGProtocolDir d ) {
     set_dir( d );
 
     if ( get_dir() == SG_IO_OUT ) {
-#if defined(_MSC_VER) || defined(__MINGW32__)
+#ifdef _WIN32
         int mode = 00666;
 #else
         mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
@@ -84,7 +99,8 @@ int SGFile::read( char *buf, int length ) {
     // read a chunk
     ssize_t result = ::read( fp, buf, length );
     if ( length > 0 && result == 0 ) {
-        if (repeat) {
+        if (repeat < 0 || iteration < repeat - 1) {
+            iteration++;
             // loop reading the file, unless it is empty
             off_t fileLen = ::lseek(fp, 0, SEEK_CUR);
             if (fileLen == 0) {
@@ -110,7 +126,8 @@ int SGFile::readline( char *buf, int length ) {
     // read a chunk
     ssize_t result = ::read( fp, buf, length );
     if ( length > 0 && result == 0 ) {
-        if (repeat && pos != 0) {
+        if ((repeat < 0 || iteration < repeat - 1) && pos != 0) {
+            iteration++;
             pos = ::lseek(fp, 0, SEEK_SET);
             result = ::read(fp, buf, length);
         } else {