From 106e75f7121b009c069733dcb8a70fe5e4380ab0 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sun, 6 May 2012 09:03:19 -0400 Subject: [PATCH] add isastream (obsolete STREAMS junk) apparently some packages see stropts.h and want to be able to use this. the implementation checks that the file descriptor is valid by using fcntl/F_GETFD so it can report an error if not (as specified). --- include/stropts.h | 3 ++- src/misc/isastream.c | 7 +++++++ 2 files changed, 9 insertions(+), 1 deletion(-) create mode 100644 src/misc/isastream.c diff --git a/include/stropts.h b/include/stropts.h index 36d84bbb..c99c922e 100644 --- a/include/stropts.h +++ b/include/stropts.h @@ -129,7 +129,8 @@ struct str_list { struct str_mlist *sl_modlist; }; -int ioctl (int, int, ...); +int isastream(int); +int ioctl(int, int, ...); #ifdef __cplusplus } diff --git a/src/misc/isastream.c b/src/misc/isastream.c new file mode 100644 index 00000000..4dafdb08 --- /dev/null +++ b/src/misc/isastream.c @@ -0,0 +1,7 @@ +#include +#include + +int isastream(int fd) +{ + return fcntl(fd, F_GETFD) < 0 ? -1 : 0; +}