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authorJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
committerJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
commitfa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch)
treebdda434976bc09c864f2e4fa6f16ba1952b1e555 /sys/libc/getw.c
downloadiraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz
Initial commit
Diffstat (limited to 'sys/libc/getw.c')
-rw-r--r--sys/libc/getw.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/sys/libc/getw.c b/sys/libc/getw.c
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@@ -0,0 +1,28 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+*/
+
+#define import_spp
+#define import_libc
+#define import_stdio
+#include <iraf.h>
+
+
+/* GETW -- Get a word (integer) from the input stream. When used in conjunction
+** with PUTW this permits storage and retrieval of binary words in any file,
+** albeit somewhat inefficiently.
+*/
+int
+getw (
+ FILE *fp /* input file */
+)
+{
+ int word;
+ register char *op = (char *)&word;
+ register int n = sizeof (int);
+
+
+ while (--n >= 0)
+ *op++ = getc (fp);
+
+ return ((fp->_fflags & (_FEOF|_FERR)) ? EOF : word);
+}