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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /stdio/tstscanf.c
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initial import
Diffstat (limited to 'stdio/tstscanf.c')
-rw-r--r--stdio/tstscanf.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/stdio/tstscanf.c b/stdio/tstscanf.c
new file mode 100644
index 0000000000..53d4b0ac47
--- /dev/null
+++ b/stdio/tstscanf.c
@@ -0,0 +1,100 @@
+/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#ifdef BSD
+#include </usr/include/stdio.h>
+#else
+#include <stdio.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+
+
+int
+DEFUN(main, (argc, argv), int argc AND char **argv)
+{
+ char buf[BUFSIZ];
+ FILE *in = stdin, *out = stdout;
+
+ if (argc == 2 && !strcmp (argv[1], "-opipe"))
+ {
+ out = popen ("/bin/cat", "w");
+ if (out == NULL)
+ {
+ perror ("popen: /bin/cat");
+ exit (EXIT_FAILURE);
+ }
+ }
+ else if (argc == 3 && !strcmp (argv[1], "-ipipe"))
+ {
+ sprintf (buf, "/bin/cat %s", argv[2]);
+ in = popen (buf, "r");
+ }
+
+ {
+ char name[50];
+ fprintf (out,
+ "sscanf (\"thompson\", \"%%s\", name) == %d, name == \"%s\"\n",
+ sscanf ("thompson", "%s", name),
+ name);
+ }
+
+ fputs ("Testing scanf (vfscanf)\n", out);
+
+ fputs ("Test 1:\n", out);
+ {
+ int n, i;
+ float x;
+ char name[50];
+ n = fscanf (in, "%d%f%s", &i, &x, name);
+ fprintf (out, "n = %d, i = %d, x = %f, name = \"%.50s\"\n",
+ n, i, x, name);
+ }
+ fprintf (out, "Residual: \"%s\"\n", fgets (buf, sizeof (buf), in));
+ fputs ("Test 2:\n", out);
+ {
+ int i;
+ float x;
+ char name[50];
+ (void) fscanf (in, "%2d%f%*d %[0123456789]", &i, &x, name);
+ fprintf (out, "i = %d, x = %f, name = \"%.50s\"\n", i, x, name);
+ }
+ fprintf (out, "Residual: \"%s\"\n", fgets (buf, sizeof (buf), in));
+ fputs ("Test 3:\n", out);
+ {
+ float quant;
+ char units[21], item[21];
+ while (!feof (in) && !ferror (in))
+ {
+ int count;
+ quant = 0.0;
+ units[0] = item[0] = '\0';
+ count = fscanf (in, "%f%20s of %20s", &quant, units, item);
+ (void) fscanf (in, "%*[^\n]");
+ fprintf (out, "count = %d, quant = %f, item = %.21s, units = %.21s\n",
+ count, quant, item, units);
+ }
+ }
+ fprintf (out, "Residual: \"%s\"\n", fgets (buf, sizeof (buf), in));
+
+ if (out != stdout)
+ pclose (out);
+
+ exit(EXIT_SUCCESS);
+}