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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/gets.c
downloadiraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz
Initial commit
Diffstat (limited to 'sys/libc/gets.c')
-rw-r--r--sys/libc/gets.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/sys/libc/gets.c b/sys/libc/gets.c
new file mode 100644
index 00000000..309efa11
--- /dev/null
+++ b/sys/libc/gets.c
@@ -0,0 +1,34 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+*/
+
+#define import_spp
+#define import_libc
+#define import_stdio
+#include <iraf.h>
+
+
+/* GETS -- Read a newline terminated sequence from the standard input and
+** return the resultant string minus the newline to the user.
+*/
+char *
+gets (
+ char *buf /* user supplied output buffer */
+)
+{
+ register FILE *fp = stdin;
+ register char *op = buf;
+ register int ch;
+
+
+ while ((ch = getc (fp)) != EOF) {
+ if (ch == '\n')
+ break;
+ *op++ = ch;
+ }
+ *op = EOS;
+
+ if (ch == EOF && op == buf)
+ return ((char *) NULL);
+ else
+ return (buf);
+}