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system/Open: add OpenWriteOnly(), OpenDirectory()

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This commit is contained in:
Max Kellermann 2019-02-19 12:16:41 +01:00
parent 5965f62b56
commit db144a43ad
2 changed files with 48 additions and 0 deletions
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34
src/system/Open.cxx
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@ -43,6 +43,30 @@ OpenReadOnly(const char *path)
return fd; return fd;
} }
UniqueFileDescriptor
OpenWriteOnly(const char *path, int flags)
{
UniqueFileDescriptor fd;
if (!fd.Open(path, O_WRONLY|flags))
throw FormatErrno("Failed to open '%s'", path);
return fd;
}
#ifndef _WIN32
UniqueFileDescriptor
OpenDirectory(const char *path, int flags)
{
UniqueFileDescriptor fd;
if (!fd.Open(path, O_DIRECTORY|O_RDONLY|flags))
throw FormatErrno("Failed to open '%s'", path);
return fd;
}
#endif
#ifdef __linux__ #ifdef __linux__
UniqueFileDescriptor UniqueFileDescriptor
@ -75,6 +99,16 @@ OpenReadOnly(FileDescriptor directory, const char *name, int flags)
return fd; return fd;
} }
UniqueFileDescriptor
OpenWriteOnly(FileDescriptor directory, const char *name, int flags)
{
UniqueFileDescriptor fd;
if (!fd.Open(directory, name, O_WRONLY|flags))
throw FormatErrno("Failed to open '%s'", name);
return fd;
}
UniqueFileDescriptor UniqueFileDescriptor
OpenDirectory(FileDescriptor directory, const char *name, int flags) OpenDirectory(FileDescriptor directory, const char *name, int flags)
{ {

14
src/system/Open.hxx
View File

@ -36,6 +36,17 @@ class UniqueFileDescriptor;
UniqueFileDescriptor UniqueFileDescriptor
OpenReadOnly(const char *path); OpenReadOnly(const char *path);
UniqueFileDescriptor
OpenWriteOnly(const char *path, int flags=0);
#ifndef _WIN32
UniqueFileDescriptor
OpenDirectory(const char *name, int flags=0);
#endif
#ifdef __linux__ #ifdef __linux__
UniqueFileDescriptor UniqueFileDescriptor
@ -47,6 +58,9 @@ OpenPath(FileDescriptor directory, const char *name, int flags=0);
UniqueFileDescriptor UniqueFileDescriptor
OpenReadOnly(FileDescriptor directory, const char *name, int flags=0); OpenReadOnly(FileDescriptor directory, const char *name, int flags=0);
UniqueFileDescriptor
OpenWriteOnly(FileDescriptor directory, const char *name, int flags=0);
UniqueFileDescriptor UniqueFileDescriptor
OpenDirectory(FileDescriptor directory, const char *name, int flags=0); OpenDirectory(FileDescriptor directory, const char *name, int flags=0);