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[glibc/history.git] / stdlib / tst-strtol.c
blobdb065d6f0acb50adce8883c1eb6a4ee1e032a78e
1 /* My bet is this was written by Chris Torek.
2 I reformatted and ansidecl-ized it, and tweaked it a little. */
4 #include <ctype.h>
5 #include <stdio.h>
6 #include <errno.h>
7 #include <stdlib.h>
8 #include <string.h>
9 #include <limits.h>
11 struct ltest
13 const char *str; /* Convert this. */
14 unsigned long int expect; /* To get this. */
15 int base; /* Use this base. */
16 char left; /* With this left over. */
17 int err; /* And this in errno. */
19 static const struct ltest tests[] =
21 /* First, signed numbers: */
22 /* simple... */
23 {"123", 123, 0, 0, 0},
24 {"+123", 123, 0, 0, 0},
25 {" 123", 123, 0, 0, 0},
26 {" 123 ", 123, 0, ' ', 0},
27 {" -17", -17, 0, 0, 0},
29 /* implicit base... */
30 {"0123", 0123, 0, 0, 0},
31 {"0123a", 0123, 0, 'a', 0},
32 {"01239", 0123, 0, '9', 0},
33 {"0x123", 0x123, 0, 0, 0},
34 {"-0x123", -0x123, 0, 0, 0},
35 {"0x0xc", 0, 0, 'x', 0},
36 {" +0x123fg", 0x123f, 0, 'g', 0},
38 /* explicit base... */
39 {"123", 0x123, 16, 0, 0},
40 {"0x123", 0x123, 16, 0, 0},
41 {"123", 0123, 8, 0, 0},
42 {"0123", 0123, 8, 0, 0},
43 {"0123", 123, 10, 0, 0},
44 {"0x123", 0, 10, 'x', 0},
46 /* case insensitivity... */
47 {"abcd", 0xabcd, 16, 0, 0},
48 {"AbCd", 0xabcd, 16, 0, 0},
49 {"0xABCD", 0xabcd, 16, 0, 0},
50 {"0Xabcd", 0xabcd, 16, 0, 0},
52 /* odd bases... */
53 {"0xyz", 33 * 35 + 34, 35, 'z', 0},
54 {"yz!", 34 * 36 + 35, 36, '!', 0},
55 {"-yz", -(34*36 + 35), 36, 0, 0},
56 {"GhI4", ((16*20 + 17)*20 + 18)*20 + 4, 20, 0, 0},
58 /* extremes... */
59 #if LONG_MAX == 0x7fffffff
60 {"2147483647", 2147483647, 0, 0, 0},
61 {"2147483648", 2147483647, 0, 0, ERANGE},
62 {"214748364888", 2147483647, 0, 0, ERANGE},
63 {"2147483650", 2147483647, 0, 0, ERANGE},
64 {"-2147483648", 0x80000000, 0, 0, 0},
65 {"-2147483649", 0x80000000, 0, 0, ERANGE},
66 {"0x1122334455z", 2147483647, 16, 'z', ERANGE},
67 #else
68 {"9223372036854775807", 9223372036854775807, 0, 0, 0},
69 {"9223372036854775808", 9223372036854775807, 0, 0, ERANGE},
70 {"922337203685477580777", 9223372036854775807, 0, 0, ERANGE},
71 {"9223372036854775810", 9223372036854775807, 0, 0, ERANGE},
72 {"-2147483648", -2147483648, 0, 0, 0},
73 {"-9223372036854775808", 0x8000000000000000, 0, 0, 0},
74 {"-9223372036854775809", 0x8000000000000000, 0, 0, ERANGE},
75 {"0x112233445566778899z", 9223372036854775807, 16, 'z', ERANGE},
76 {"0xFFFFFFFFFFFF00FF" , 9223372036854775807, 0, 0, ERANGE},
77 #endif
78 {NULL, 0, 0, 0, 0},
80 /* Then unsigned. */
81 {" 0", 0, 0, 0, 0},
82 {"0xffffffffg", 0xffffffff, 0, 'g', 0},
83 #if LONG_MAX == 0x7fffffff
84 {"-0xfedcba98", 0x01234568, 0, 0, 0},
85 {"0xf1f2f3f4f5", 0xffffffff, 0, 0, ERANGE},
86 {"-0x123456789", 0xffffffff, 0, 0, ERANGE},
87 #else
88 {"0xffffffffffffffffg", 0xffffffffffffffff, 0, 'g', 0},
89 {"-0xfedcba987654321", 0xf0123456789abcdf, 0, 0, 0},
90 {"0xf1f2f3f4f5f6f7f8f9", 0xffffffffffffffff, 0, 0, ERANGE},
91 {"-0x123456789abcdef01", 0xffffffffffffffff, 0, 0, ERANGE},
92 #endif
93 {NULL, 0, 0, 0, 0},
96 /* Prototypes for local functions. */
97 static void expand (char *dst, int c);
99 int
100 main (void)
102 register const struct ltest *lt;
103 char *ep;
104 int status = 0;
105 int save_errno;
107 for (lt = tests; lt->str != NULL; ++lt)
109 register long int l;
111 errno = 0;
112 l = strtol (lt->str, &ep, lt->base);
113 save_errno = errno;
114 printf ("strtol(\"%s\", , %d) test %u",
115 lt->str, lt->base, (unsigned int) (lt - tests));
116 if (l == (long int) lt->expect && *ep == lt->left
117 && save_errno == lt->err)
118 puts("\tOK");
119 else
121 puts("\tBAD");
122 if (l != (long int) lt->expect)
123 printf(" returns %ld, expected %ld\n",
124 l, (long int) lt->expect);
125 if (lt->left != *ep)
127 char exp1[5], exp2[5];
128 expand (exp1, *ep);
129 expand (exp2, lt->left);
130 printf (" leaves '%s', expected '%s'\n", exp1, exp2);
132 if (save_errno != lt->err)
133 printf (" errno %d (%s) instead of %d (%s)\n",
134 save_errno, strerror (save_errno),
135 lt->err, strerror (lt->err));
136 status = 1;
140 for (++lt; lt->str != NULL; lt++)
142 register unsigned long int ul;
144 errno = 0;
145 ul = strtoul (lt->str, &ep, lt->base);
146 save_errno = errno;
147 printf ("strtoul(\"%s\", , %d) test %u",
148 lt->str, lt->base, (unsigned int) (lt - tests));
149 if (ul == lt->expect && *ep == lt->left && save_errno == lt->err)
150 puts("\tOK");
151 else
153 puts ("\tBAD");
154 if (ul != lt->expect)
155 printf (" returns %lu, expected %lu\n",
156 ul, lt->expect);
157 if (lt->left != *ep)
159 char exp1[5], exp2[5];
160 expand (exp1, *ep);
161 expand (exp2, lt->left);
162 printf (" leaves '%s', expected '%s'\n", exp1, exp2);
164 if (save_errno != lt->err)
165 printf (" errno %d (%s) instead of %d (%s)\n",
166 save_errno, strerror (save_errno),
167 lt->err, strerror (lt->err));
168 status = 1;
172 return status ? EXIT_FAILURE : EXIT_SUCCESS;
175 static void
176 expand (dst, c)
177 char *dst;
178 int c;
180 if (isprint (c))
182 dst[0] = c;
183 dst[1] = '\0';
185 else
186 (void) sprintf (dst, "%#.3o", (unsigned int) c);