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glibc/stdio-common/tstscanf.c
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/* Copyright (C) 1991-2016 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 Lesser General Public | |
License as published by the Free Software Foundation; either | |
version 2.1 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 | |
Lesser General Public License for more details. | |
You should have received a copy of the GNU Lesser General Public | |
License along with the GNU C Library; if not, see | |
<http://www.gnu.org/licenses/>. */ | |
#ifdef BSD | |
#include </usr/include/stdio.h> | |
#else | |
#include <stdio.h> | |
#endif | |
#include <math.h> | |
#include <stdlib.h> | |
#include <string.h> | |
int | |
main (int argc, char **argv) | |
{ | |
char buf[BUFSIZ]; | |
FILE *in = stdin, *out = stdout; | |
int x; | |
int result = 0; | |
if (sscanf ("0", "%d", &x) != 1) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
if (sscanf ("08905x", "%9[0-9]", buf) != 1 | |
|| strcmp (buf, "08905") != 0) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
if (sscanf ("", "%10[a-z]", buf) != EOF) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
sscanf ("conversion] Zero flag Ze]ro#\n", "%*[^]] %[^#]\n", buf); | |
if (strcmp (buf, "] Zero flag Ze]ro") != 0) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
if (argc == 2 && !strcmp (argv[1], "-opipe")) | |
{ | |
out = popen ("/bin/cat", "w"); | |
if (out == NULL) | |
{ | |
perror ("popen: /bin/cat"); | |
result = 1; | |
} | |
} | |
else if (argc == 3 && !strcmp (argv[1], "-ipipe")) | |
{ | |
sprintf (buf, "/bin/cat %s", argv[2]); | |
in = popen (buf, "r"); | |
if (in == NULL) | |
{ | |
perror ("popen: /bin/cat"); | |
result = 1; | |
} | |
} | |
{ | |
char name[50]; | |
fprintf (out, | |
"sscanf (\"thompson\", \"%%s\", name) == %d, name == \"%s\"\n", | |
sscanf ("thompson", "%s", name), | |
name); | |
if (strcmp (name, "thompson") != 0) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
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); | |
if (n != 3 || i != 25 || x != 5.432F || strcmp (name, "thompson")) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
fprintf (out, "Residual: \"%s\"\n", fgets (buf, sizeof (buf), in)); | |
if (strcmp (buf, "\n")) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
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); | |
if (i != 56 || x != 789.0F || strcmp (name, "56")) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
fprintf (out, "Residual: \"%s\"\n", fgets (buf, sizeof (buf), in)); | |
if (strcmp (buf, "a72\n")) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
fputs ("Test 3:\n", out); | |
{ | |
static struct { | |
int count; | |
float quant; | |
const char *units; | |
const char *item; | |
} ok[] = { | |
{ 3, 2.0F, "quarts", "oil" }, | |
{ 2, -12.8F, "degrees", "" }, | |
{ 0, 0.0F, "", "" }, | |
{ 3, 10.0F, "LBS", "fertilizer" }, | |
{ 3, 100.0F, "rgs", "energy" }, | |
{ -1, 0.0F, "", "" }}; | |
size_t rounds = 0; | |
float quant; | |
char units[21], item[21]; | |
while (!feof (in) && !ferror (in)) | |
{ | |
int count; | |
if (rounds++ >= sizeof (ok) / sizeof (ok[0])) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
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); | |
if (count != ok[rounds-1].count || quant != ok[rounds-1].quant | |
|| strcmp (item, ok[rounds-1].item) | |
|| strcmp (units, ok[rounds-1].units)) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
} | |
buf[0] = '\0'; | |
fprintf (out, "Residual: \"%s\"\n", fgets (buf, sizeof (buf), in)); | |
if (strcmp (buf, "")) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
if (out != stdout) | |
pclose (out); | |
fputs ("Test 4:\n", out); | |
{ | |
int res, val, n; | |
res = sscanf ("-242", "%3o%n", &val, &n); | |
printf ("res = %d, val = %d, n = %d\n", res, val, n); | |
if (res != 1 || val != -20 || n != 3) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
fputs ("Test 5:\n", out); | |
{ | |
double a = 0, b = 0; | |
int res, n; | |
res = sscanf ("1234567", "%3lg%3lg%n", &a, &b, &n); | |
printf ("res = %d, a = %g, b = %g, n = %d\n", res, a, b, n); | |
if (res != 2 || a != 123 || b != 456 || n != 6) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
res = sscanf ("0", "%lg", &a); | |
printf ("res = %d, a = %g\n", res, a); | |
if (res != 1 || a != 0) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
res = sscanf ("1e3", "%lg%n", &a, &n); | |
printf ("res = %d, a = %g, n = %d\n", res, a, n); | |
if (res != 1 || a != 1000 || n != 3) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
fputs ("Test 6:\n", stdout); | |
{ | |
char *p = (char *) -1; | |
int res; | |
sprintf (buf, "%p", NULL); | |
res = sscanf (buf, "%p", &p); | |
printf ("sscanf (\"%s\", \"%%p\", &p) = %d, p == %p\n", buf, res, p); | |
if (res != 1 || p != NULL) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
fputs ("Test 7:\n", stdout); | |
{ | |
short a[2] = { -1, -1 }; | |
int res; | |
res = sscanf ("32767 1234", "%hd %hd", &a[0], &a[1]); | |
printf ("res = %d, a[0] = %d, a[1] = %d\n", res, a[0], a[1]); | |
if (res != 2 || a[0] != 32767 || a[1] != 1234) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
fputs ("Test 8:\n", stdout); | |
{ | |
double d = 123456.789; | |
int res; | |
res = sscanf ("0x1234", "%lf", &d); | |
printf ("res = %d, d = %f\n", res, d); | |
if (res != 1 || d != 4660) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
fputs ("Test 9:\n", stdout); | |
{ | |
/* From PR libc/1313 reported by Ben Caradoc-Davies <bmcd@physics.otago.ac.nz>. */ | |
float value; | |
int res; | |
res = sscanf ("0123", "%2f", &value); | |
if (res != 1 || value != 1.0) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
fputs ("Test 10:\n", stdout); | |
{ | |
float value; | |
int res; | |
res = sscanf ("--", "%f", &value); | |
if (res != 0) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
fputs ("Test 11:\n", stdout); | |
{ | |
char uart[50]; | |
int res; | |
res = sscanf ("uart:16550A tx:0", "uart:%31s tx:%*u", uart); | |
if (res != 1) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
fputs ("Test 12:\n", stdout); | |
{ | |
char uart[50]; | |
int res; | |
res = sscanf ("uart:16550A", "uart:%31s tx:%*u", uart); | |
if (res != 1) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
fputs ("Test 13:\n", stdout); | |
{ | |
float value; | |
int res; | |
res = sscanf ("-InF", "%f", &value); | |
if (res != 1 || isinf (value) != -1) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
res = sscanf ("+InfiNiTY", "%f", &value); | |
if (res != 1 || isinf (value) != 1) | |
{ | |
fputs ("test failed!\n", stdout); | |
result = 1; | |
} | |
} | |
return result; | |
} |