diff options
Diffstat (limited to 'stdio/tstscanf.c')
-rw-r--r-- | stdio/tstscanf.c | 100 |
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); +} |