--- /dev/null
+/* Tester for string functions.
+ Copyright (C) 1995-2000, 2001 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+/* Make sure we don't test the optimized inline functions if we want to
+ test the real implementation. */
+#if !defined DO_STRING_INLINES
+#undef __USE_STRING_INLINES
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <fcntl.h>
+
+#define STREQ(a, b) (strcmp((a), (b)) == 0)
+
+const char *it = "<UNSET>"; /* Routine name for message routines. */
+size_t errors = 0;
+
+/* Complain if condition is not true. */
+static void
+check (int thing, int number)
+{
+ if (!thing)
+ {
+ printf("%s flunked test %d\n", it, number);
+ ++errors;
+ }
+}
+
+/* Complain if first two args don't strcmp as equal. */
+static void
+equal (const char *a, const char *b, int number)
+{
+ check(a != NULL && b != NULL && STREQ (a, b), number);
+}
+
+char one[50];
+char two[50];
+char *cp;
+
+static void
+test_strcmp (void)
+{
+ it = "strcmp";
+ check (strcmp ("", "") == 0, 1); /* Trivial case. */
+ check (strcmp ("a", "a") == 0, 2); /* Identity. */
+ check (strcmp ("abc", "abc") == 0, 3); /* Multicharacter. */
+ check (strcmp ("abc", "abcd") < 0, 4); /* Length mismatches. */
+ check (strcmp ("abcd", "abc") > 0, 5);
+ check (strcmp ("abcd", "abce") < 0, 6); /* Honest miscompares. */
+ check (strcmp ("abce", "abcd") > 0, 7);
+ check (strcmp ("a\203", "a") > 0, 8); /* Tricky if char signed. */
+ check (strcmp ("a\203", "a\003") > 0, 9);
+
+ {
+ char buf1[0x40], buf2[0x40];
+ int i, j;
+ for (i=0; i < 0x10; i++)
+ for (j = 0; j < 0x10; j++)
+ {
+ int k;
+ for (k = 0; k < 0x3f; k++)
+ {
+ buf1[j] = '0' ^ (k & 4);
+ buf2[j] = '4' ^ (k & 4);
+ }
+ buf1[i] = buf1[0x3f] = 0;
+ buf2[j] = buf2[0x3f] = 0;
+ for (k = 0; k < 0xf; k++)
+ {
+ int cnum = 0x10+0x10*k+0x100*j+0x1000*i;
+ check (strcmp (buf1+i,buf2+j) == 0, cnum);
+ buf1[i+k] = 'A' + i + k;
+ buf1[i+k+1] = 0;
+ check (strcmp (buf1+i,buf2+j) > 0, cnum+1);
+ check (strcmp (buf2+j,buf1+i) < 0, cnum+2);
+ buf2[j+k] = 'B' + i + k;
+ buf2[j+k+1] = 0;
+ check (strcmp (buf1+i,buf2+j) < 0, cnum+3);
+ check (strcmp (buf2+j,buf1+i) > 0, cnum+4);
+ buf2[j+k] = 'A' + i + k;
+ buf1[i] = 'A' + i + 0x80;
+ check (strcmp (buf1+i,buf2+j) > 0, cnum+5);
+ check (strcmp (buf2+j,buf1+i) < 0, cnum+6);
+ buf1[i] = 'A' + i;
+ }
+ }
+ }
+}
+
+#define SIMPLE_COPY(fn, n, str, ntest) \
+ do { \
+ int __n; \
+ char *cp; \
+ for (__n = 0; __n < (int) sizeof (one); ++__n) \
+ one[__n] = 'Z'; \
+ fn (one, str); \
+ for (cp = one, __n = 0; __n < n; ++__n, ++cp) \
+ check (*cp == '0' + (n % 10), ntest); \
+ check (*cp == '\0', ntest); \
+ } while (0)
+
+static void
+test_strcpy (void)
+{
+ int i;
+ it = "strcpy";
+ check (strcpy (one, "abcd") == one, 1); /* Returned value. */
+ equal (one, "abcd", 2); /* Basic test. */
+
+ (void) strcpy (one, "x");
+ equal (one, "x", 3); /* Writeover. */
+ equal (one+2, "cd", 4); /* Wrote too much? */
+
+ (void) strcpy (two, "hi there");
+ (void) strcpy (one, two);
+ equal (one, "hi there", 5); /* Basic test encore. */
+ equal (two, "hi there", 6); /* Stomped on source? */
+
+ (void) strcpy (one, "");
+ equal (one, "", 7); /* Boundary condition. */
+
+ for (i = 0; i < 16; i++)
+ {
+ (void) strcpy (one + i, "hi there"); /* Unaligned destination. */
+ equal (one + i, "hi there", 8 + (i * 2));
+ (void) strcpy (two, one + i); /* Unaligned source. */
+ equal (two, "hi there", 9 + (i * 2));
+ }
+
+ SIMPLE_COPY(strcpy, 0, "", 41);
+ SIMPLE_COPY(strcpy, 1, "1", 42);
+ SIMPLE_COPY(strcpy, 2, "22", 43);
+ SIMPLE_COPY(strcpy, 3, "333", 44);
+ SIMPLE_COPY(strcpy, 4, "4444", 45);
+ SIMPLE_COPY(strcpy, 5, "55555", 46);
+ SIMPLE_COPY(strcpy, 6, "666666", 47);
+ SIMPLE_COPY(strcpy, 7, "7777777", 48);
+ SIMPLE_COPY(strcpy, 8, "88888888", 49);
+ SIMPLE_COPY(strcpy, 9, "999999999", 50);
+ SIMPLE_COPY(strcpy, 10, "0000000000", 51);
+ SIMPLE_COPY(strcpy, 11, "11111111111", 52);
+ SIMPLE_COPY(strcpy, 12, "222222222222", 53);
+ SIMPLE_COPY(strcpy, 13, "3333333333333", 54);
+ SIMPLE_COPY(strcpy, 14, "44444444444444", 55);
+ SIMPLE_COPY(strcpy, 15, "555555555555555", 56);
+ SIMPLE_COPY(strcpy, 16, "6666666666666666", 57);
+}
+
+static void
+test_stpcpy (void)
+{
+ it = "stpcpy";
+ check ((stpcpy (one, "a") - one) == 1, 1);
+ equal (one, "a", 2);
+
+ check ((stpcpy (one, "ab") - one) == 2, 3);
+ equal (one, "ab", 4);
+
+ check ((stpcpy (one, "abc") - one) == 3, 5);
+ equal (one, "abc", 6);
+
+ check ((stpcpy (one, "abcd") - one) == 4, 7);
+ equal (one, "abcd", 8);
+
+ check ((stpcpy (one, "abcde") - one) == 5, 9);
+ equal (one, "abcde", 10);
+
+ check ((stpcpy (one, "abcdef") - one) == 6, 11);
+ equal (one, "abcdef", 12);
+
+ check ((stpcpy (one, "abcdefg") - one) == 7, 13);
+ equal (one, "abcdefg", 14);
+
+ check ((stpcpy (one, "abcdefgh") - one) == 8, 15);
+ equal (one, "abcdefgh", 16);
+
+ check ((stpcpy (one, "abcdefghi") - one) == 9, 17);
+ equal (one, "abcdefghi", 18);
+
+ check ((stpcpy (one, "x") - one) == 1, 19);
+ equal (one, "x", 20); /* Writeover. */
+ equal (one+2, "cdefghi", 21); /* Wrote too much? */
+
+ check ((stpcpy (one, "xx") - one) == 2, 22);
+ equal (one, "xx", 23); /* Writeover. */
+ equal (one+3, "defghi", 24); /* Wrote too much? */
+
+ check ((stpcpy (one, "xxx") - one) == 3, 25);
+ equal (one, "xxx", 26); /* Writeover. */
+ equal (one+4, "efghi", 27); /* Wrote too much? */
+
+ check ((stpcpy (one, "xxxx") - one) == 4, 28);
+ equal (one, "xxxx", 29); /* Writeover. */
+ equal (one+5, "fghi", 30); /* Wrote too much? */
+
+ check ((stpcpy (one, "xxxxx") - one) == 5, 31);
+ equal (one, "xxxxx", 32); /* Writeover. */
+ equal (one+6, "ghi", 33); /* Wrote too much? */
+
+ check ((stpcpy (one, "xxxxxx") - one) == 6, 34);
+ equal (one, "xxxxxx", 35); /* Writeover. */
+ equal (one+7, "hi", 36); /* Wrote too much? */
+
+ check ((stpcpy (one, "xxxxxxx") - one) == 7, 37);
+ equal (one, "xxxxxxx", 38); /* Writeover. */
+ equal (one+8, "i", 39); /* Wrote too much? */
+
+ check ((stpcpy (stpcpy (stpcpy (one, "a"), "b"), "c") - one) == 3, 40);
+ equal (one, "abc", 41);
+ equal (one + 4, "xxx", 42);
+
+ SIMPLE_COPY(stpcpy, 0, "", 43);
+ SIMPLE_COPY(stpcpy, 1, "1", 44);
+ SIMPLE_COPY(stpcpy, 2, "22", 45);
+ SIMPLE_COPY(stpcpy, 3, "333", 46);
+ SIMPLE_COPY(stpcpy, 4, "4444", 47);
+ SIMPLE_COPY(stpcpy, 5, "55555", 48);
+ SIMPLE_COPY(stpcpy, 6, "666666", 49);
+ SIMPLE_COPY(stpcpy, 7, "7777777", 50);
+ SIMPLE_COPY(stpcpy, 8, "88888888", 51);
+ SIMPLE_COPY(stpcpy, 9, "999999999", 52);
+ SIMPLE_COPY(stpcpy, 10, "0000000000", 53);
+ SIMPLE_COPY(stpcpy, 11, "11111111111", 54);
+ SIMPLE_COPY(stpcpy, 12, "222222222222", 55);
+ SIMPLE_COPY(stpcpy, 13, "3333333333333", 56);
+ SIMPLE_COPY(stpcpy, 14, "44444444444444", 57);
+ SIMPLE_COPY(stpcpy, 15, "555555555555555", 58);
+ SIMPLE_COPY(stpcpy, 16, "6666666666666666", 59);
+}
+
+static void
+test_stpncpy (void)
+{
+ it = "stpncpy";
+ memset (one, 'x', sizeof (one));
+ check (stpncpy (one, "abc", 2) == one + 2, 1);
+ check (stpncpy (one, "abc", 3) == one + 3, 2);
+ check (stpncpy (one, "abc", 4) == one + 3, 3);
+ check (one[3] == '\0' && one[4] == 'x', 4);
+ check (stpncpy (one, "abcd", 5) == one + 4, 5);
+ check (one[4] == '\0' && one[5] == 'x', 6);
+ check (stpncpy (one, "abcd", 6) == one + 4, 7);
+ check (one[4] == '\0' && one[5] == '\0' && one[6] == 'x', 8);
+}
+
+static void
+test_strcat (void)
+{
+ it = "strcat";
+ (void) strcpy (one, "ijk");
+ check (strcat (one, "lmn") == one, 1); /* Returned value. */
+ equal (one, "ijklmn", 2); /* Basic test. */
+
+ (void) strcpy (one, "x");
+ (void) strcat (one, "yz");
+ equal (one, "xyz", 3); /* Writeover. */
+ equal (one+4, "mn", 4); /* Wrote too much? */
+
+ (void) strcpy (one, "gh");
+ (void) strcpy (two, "ef");
+ (void) strcat (one, two);
+ equal (one, "ghef", 5); /* Basic test encore. */
+ equal (two, "ef", 6); /* Stomped on source? */
+
+ (void) strcpy (one, "");
+ (void) strcat (one, "");
+ equal (one, "", 7); /* Boundary conditions. */
+ (void) strcpy (one, "ab");
+ (void) strcat (one, "");
+ equal (one, "ab", 8);
+ (void) strcpy (one, "");
+ (void) strcat (one, "cd");
+ equal (one, "cd", 9);
+}
+
+static void
+test_strncat (void)
+{
+ /* First test it as strcat, with big counts, then test the count
+ mechanism. */
+ it = "strncat";
+ (void) strcpy (one, "ijk");
+ check (strncat (one, "lmn", 99) == one, 1); /* Returned value. */
+ equal (one, "ijklmn", 2); /* Basic test. */
+
+ (void) strcpy (one, "x");
+ (void) strncat (one, "yz", 99);
+ equal (one, "xyz", 3); /* Writeover. */
+ equal (one+4, "mn", 4); /* Wrote too much? */
+
+ (void) strcpy (one, "gh");
+ (void) strcpy (two, "ef");
+ (void) strncat (one, two, 99);
+ equal (one, "ghef", 5); /* Basic test encore. */
+ equal (two, "ef", 6); /* Stomped on source? */
+
+ (void) strcpy (one, "");
+ (void) strncat (one, "", 99);
+ equal (one, "", 7); /* Boundary conditions. */
+ (void) strcpy (one, "ab");
+ (void) strncat (one, "", 99);
+ equal (one, "ab", 8);
+ (void) strcpy (one, "");
+ (void) strncat (one, "cd", 99);
+ equal (one, "cd", 9);
+
+ (void) strcpy (one, "ab");
+ (void) strncat (one, "cdef", 2);
+ equal (one, "abcd", 10); /* Count-limited. */
+
+ (void) strncat (one, "gh", 0);
+ equal (one, "abcd", 11); /* Zero count. */
+
+ (void) strncat (one, "gh", 2);
+ equal (one, "abcdgh", 12); /* Count and length equal. */
+
+ (void) strncat (one, "ij", (size_t)-1); /* set sign bit in count */
+ equal (one, "abcdghij", 13);
+}
+
+static void
+test_strncmp (void)
+{
+ /* First test as strcmp with big counts, then test count code. */
+ it = "strncmp";
+ check (strncmp ("", "", 99) == 0, 1); /* Trivial case. */
+ check (strncmp ("a", "a", 99) == 0, 2); /* Identity. */
+ check (strncmp ("abc", "abc", 99) == 0, 3); /* Multicharacter. */
+ check (strncmp ("abc", "abcd", 99) < 0, 4); /* Length unequal. */
+ check (strncmp ("abcd", "abc", 99) > 0, 5);
+ check (strncmp ("abcd", "abce", 99) < 0, 6); /* Honestly unequal. */
+ check (strncmp ("abce", "abcd", 99) > 0, 7);
+ check (strncmp ("a\203", "a", 2) > 0, 8); /* Tricky if '\203' < 0 */
+ check (strncmp ("a\203", "a\003", 2) > 0, 9);
+ check (strncmp ("abce", "abcd", 3) == 0, 10); /* Count limited. */
+ check (strncmp ("abce", "abc", 3) == 0, 11); /* Count == length. */
+ check (strncmp ("abcd", "abce", 4) < 0, 12); /* Nudging limit. */
+ check (strncmp ("abc", "def", 0) == 0, 13); /* Zero count. */
+ check (strncmp ("abc", "", (size_t)-1) > 0, 14); /* set sign bit in count */
+ check (strncmp ("abc", "abc", (size_t)-2) == 0, 15);
+}
+
+static void
+test_strncpy (void)
+{
+ /* Testing is a bit different because of odd semantics. */
+ it = "strncpy";
+ check (strncpy (one, "abc", 4) == one, 1); /* Returned value. */
+ equal (one, "abc", 2); /* Did the copy go right? */
+
+ (void) strcpy (one, "abcdefgh");
+ (void) strncpy (one, "xyz", 2);
+ equal (one, "xycdefgh", 3); /* Copy cut by count. */
+
+ (void) strcpy (one, "abcdefgh");
+ (void) strncpy (one, "xyz", 3); /* Copy cut just before NUL. */
+ equal (one, "xyzdefgh", 4);
+
+ (void) strcpy (one, "abcdefgh");
+ (void) strncpy (one, "xyz", 4); /* Copy just includes NUL. */
+ equal (one, "xyz", 5);
+ equal (one+4, "efgh", 6); /* Wrote too much? */
+
+ (void) strcpy (one, "abcdefgh");
+ (void) strncpy (one, "xyz", 5); /* Copy includes padding. */
+ equal (one, "xyz", 7);
+ equal (one+4, "", 8);
+ equal (one+5, "fgh", 9);
+
+ (void) strcpy (one, "abc");
+ (void) strncpy (one, "xyz", 0); /* Zero-length copy. */
+ equal (one, "abc", 10);
+
+ (void) strncpy (one, "", 2); /* Zero-length source. */
+ equal (one, "", 11);
+ equal (one+1, "", 12);
+ equal (one+2, "c", 13);
+
+ (void) strcpy (one, "hi there");
+ (void) strncpy (two, one, 9);
+ equal (two, "hi there", 14); /* Just paranoia. */
+ equal (one, "hi there", 15); /* Stomped on source? */
+}
+
+static void
+test_strlen (void)
+{
+ it = "strlen";
+ check (strlen ("") == 0, 1); /* Empty. */
+ check (strlen ("a") == 1, 2); /* Single char. */
+ check (strlen ("abcd") == 4, 3); /* Multiple chars. */
+ {
+ char buf[4096];
+ int i;
+ char *p;
+ for (i=0; i < 0x100; i++)
+ {
+ p = (char *) ((unsigned long int)(buf + 0xff) & ~0xff) + i;
+ strcpy (p, "OK");
+ strcpy (p+3, "BAD/WRONG");
+ check (strlen (p) == 2, 4+i);
+ }
+ }
+}
+
+static void
+test_strnlen (void)
+{
+ it = "strnlen";
+ check (strnlen ("", 10) == 0, 1); /* Empty. */
+ check (strnlen ("a", 10) == 1, 2); /* Single char. */
+ check (strnlen ("abcd", 10) == 4, 3); /* Multiple chars. */
+ check (strnlen ("foo", (size_t)-1) == 3, 4); /* limits of n. */
+
+ {
+ char buf[4096];
+ int i;
+ char *p;
+ for (i=0; i < 0x100; i++)
+ {
+ p = (char *) ((unsigned long int)(buf + 0xff) & ~0xff) + i;
+ strcpy (p, "OK");
+ strcpy (p+3, "BAD/WRONG");
+ check (strnlen (p, 100) == 2, 5+i);
+ }
+ }
+}
+
+static void
+test_strchr (void)
+{
+ it = "strchr";
+ check (strchr ("abcd", 'z') == NULL, 1); /* Not found. */
+ (void) strcpy (one, "abcd");
+ check (strchr (one, 'c') == one+2, 2); /* Basic test. */
+ check (strchr (one, 'd') == one+3, 3); /* End of string. */
+ check (strchr (one, 'a') == one, 4); /* Beginning. */
+ check (strchr (one, '\0') == one+4, 5); /* Finding NUL. */
+ (void) strcpy (one, "ababa");
+ check (strchr (one, 'b') == one+1, 6); /* Finding first. */
+ (void) strcpy (one, "");
+ check (strchr (one, 'b') == NULL, 7); /* Empty string. */
+ check (strchr (one, '\0') == one, 8); /* NUL in empty string. */
+ {
+ char buf[4096];
+ int i;
+ char *p;
+ for (i=0; i < 0x100; i++)
+ {
+ p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i;
+ strcpy (p, "OK");
+ strcpy (p+3, "BAD/WRONG");
+ check (strchr (p, '/') == NULL, 9+i);
+ }
+ }
+}
+
+static void
+test_strchrnul (void)
+{
+ const char *os;
+ it = "strchrnul";
+ cp = strchrnul ((os = "abcd"), 'z');
+ check (*cp == '\0', 1); /* Not found. */
+ check (cp == os + 4, 2);
+ (void) strcpy (one, "abcd");
+ check (strchrnul (one, 'c') == one+2, 3); /* Basic test. */
+ check (strchrnul (one, 'd') == one+3, 4); /* End of string. */
+ check (strchrnul (one, 'a') == one, 5); /* Beginning. */
+ check (strchrnul (one, '\0') == one+4, 6); /* Finding NUL. */
+ (void) strcpy (one, "ababa");
+ check (strchrnul (one, 'b') == one+1, 7); /* Finding first. */
+ (void) strcpy (one, "");
+ check (strchrnul (one, 'b') == one, 8); /* Empty string. */
+ check (strchrnul (one, '\0') == one, 9); /* NUL in empty string. */
+ {
+ char buf[4096];
+ int i;
+ char *p;
+ for (i=0; i < 0x100; i++)
+ {
+ p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i;
+ strcpy (p, "OK");
+ strcpy (p+3, "BAD/WRONG");
+ cp = strchrnul (p, '/');
+ check (*cp == '\0', 9+2*i);
+ check (cp == p+2, 10+2*i);
+ }
+ }
+}
+
+static void
+test_rawmemchr (void)
+{
+ it = "rawmemchr";
+ (void) strcpy (one, "abcd");
+ check (rawmemchr (one, 'c') == one+2, 1); /* Basic test. */
+ check (rawmemchr (one, 'd') == one+3, 2); /* End of string. */
+ check (rawmemchr (one, 'a') == one, 3); /* Beginning. */
+ check (rawmemchr (one, '\0') == one+4, 4); /* Finding NUL. */
+ (void) strcpy (one, "ababa");
+ check (rawmemchr (one, 'b') == one+1, 5); /* Finding first. */
+ (void) strcpy (one, "");
+ check (rawmemchr (one, '\0') == one, 6); /* NUL in empty string. */
+ {
+ char buf[4096];
+ int i;
+ char *p;
+ for (i=0; i < 0x100; i++)
+ {
+ p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i;
+ strcpy (p, "OK");
+ strcpy (p+3, "BAD/WRONG");
+ check (rawmemchr (p, 'R') == p+8, 6+i);
+ }
+ }
+}
+
+static void
+test_index (void)
+{
+ it = "index";
+ check (index ("abcd", 'z') == NULL, 1); /* Not found. */
+ (void) strcpy (one, "abcd");
+ check (index (one, 'c') == one+2, 2); /* Basic test. */
+ check (index (one, 'd') == one+3, 3); /* End of string. */
+ check (index (one, 'a') == one, 4); /* Beginning. */
+ check (index (one, '\0') == one+4, 5); /* Finding NUL. */
+ (void) strcpy (one, "ababa");
+ check (index (one, 'b') == one+1, 6); /* Finding first. */
+ (void) strcpy (one, "");
+ check (index (one, 'b') == NULL, 7); /* Empty string. */
+ check (index (one, '\0') == one, 8); /* NUL in empty string. */
+}
+
+static void
+test_strrchr (void)
+{
+ it = "strrchr";
+ check (strrchr ("abcd", 'z') == NULL, 1); /* Not found. */
+ (void) strcpy (one, "abcd");
+ check (strrchr (one, 'c') == one+2, 2); /* Basic test. */
+ check (strrchr (one, 'd') == one+3, 3); /* End of string. */
+ check (strrchr (one, 'a') == one, 4); /* Beginning. */
+ check (strrchr (one, '\0') == one+4, 5); /* Finding NUL. */
+ (void) strcpy (one, "ababa");
+ check (strrchr (one, 'b') == one+3, 6); /* Finding last. */
+ (void) strcpy (one, "");
+ check (strrchr (one, 'b') == NULL, 7); /* Empty string. */
+ check (strrchr (one, '\0') == one, 8); /* NUL in empty string. */
+ {
+ char buf[4096];
+ int i;
+ char *p;
+ for (i=0; i < 0x100; i++)
+ {
+ p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i;
+ strcpy (p, "OK");
+ strcpy (p+3, "BAD/WRONG");
+ check (strrchr (p, '/') == NULL, 9+i);
+ }
+ }
+}
+
+static void
+test_memrchr (void)
+{
+ size_t l;
+ it = "memrchr";
+ check (memrchr ("abcd", 'z', 5) == NULL, 1); /* Not found. */
+ (void) strcpy (one, "abcd");
+ l = strlen (one) + 1;
+ check (memrchr (one, 'c', l) == one+2, 2); /* Basic test. */
+ check (memrchr (one, 'd', l) == one+3, 3); /* End of string. */
+ check (memrchr (one, 'a', l) == one, 4); /* Beginning. */
+ check (memrchr (one, '\0', l) == one+4, 5); /* Finding NUL. */
+ (void) strcpy (one, "ababa");
+ l = strlen (one) + 1;
+ check (memrchr (one, 'b', l) == one+3, 6); /* Finding last. */
+ (void) strcpy (one, "");
+ l = strlen (one) + 1;
+ check (memrchr (one, 'b', l) == NULL, 7); /* Empty string. */
+ check (memrchr (one, '\0', l) == one, 8); /* NUL in empty string. */
+
+ /* now test all possible alignment and length combinations to catch
+ bugs due to unrolled loops (assuming unrolling is limited to no
+ more than 128 byte chunks: */
+ {
+ char buf[128 + sizeof(long)];
+ long align, len, i, pos;
+
+ for (align = 0; align < (long) sizeof(long); ++align) {
+ for (len = 0; len < (long) (sizeof(buf) - align); ++len) {
+ for (i = 0; i < len; ++i)
+ buf[align + i] = 'x'; /* don't depend on memset... */
+
+ for (pos = len - 1; pos >= 0; --pos) {
+#if 0
+ printf("align %d, len %d, pos %d\n", align, len, pos);
+#endif
+ check(memrchr(buf + align, 'x', len) == buf + align + pos, 9);
+ check(memrchr(buf + align + pos + 1, 'x', len - (pos + 1)) == NULL,
+ 10);
+ buf[align + pos] = '-';
+ }
+ }
+ }
+ }
+}
+
+static void
+test_rindex (void)
+{
+ it = "rindex";
+ check (rindex ("abcd", 'z') == NULL, 1); /* Not found. */
+ (void) strcpy (one, "abcd");
+ check (rindex (one, 'c') == one+2, 2); /* Basic test. */
+ check (rindex (one, 'd') == one+3, 3); /* End of string. */
+ check (rindex (one, 'a') == one, 4); /* Beginning. */
+ check (rindex (one, '\0') == one+4, 5); /* Finding NUL. */
+ (void) strcpy (one, "ababa");
+ check (rindex (one, 'b') == one+3, 6); /* Finding last. */
+ (void) strcpy (one, "");
+ check (rindex (one, 'b') == NULL, 7); /* Empty string. */
+ check (rindex (one, '\0') == one, 8); /* NUL in empty string. */
+}
+
+static void
+test_strpbrk (void)
+{
+ it = "strpbrk";
+ check(strpbrk("abcd", "z") == NULL, 1); /* Not found. */
+ (void) strcpy(one, "abcd");
+ check(strpbrk(one, "c") == one+2, 2); /* Basic test. */
+ check(strpbrk(one, "d") == one+3, 3); /* End of string. */
+ check(strpbrk(one, "a") == one, 4); /* Beginning. */
+ check(strpbrk(one, "") == NULL, 5); /* Empty search list. */
+ check(strpbrk(one, "cb") == one+1, 6); /* Multiple search. */
+ (void) strcpy(one, "abcabdea");
+ check(strpbrk(one, "b") == one+1, 7); /* Finding first. */
+ check(strpbrk(one, "cb") == one+1, 8); /* With multiple search. */
+ check(strpbrk(one, "db") == one+1, 9); /* Another variant. */
+ (void) strcpy(one, "");
+ check(strpbrk(one, "bc") == NULL, 10); /* Empty string. */
+ (void) strcpy(one, "");
+ check(strpbrk(one, "bcd") == NULL, 11); /* Empty string. */
+ (void) strcpy(one, "");
+ check(strpbrk(one, "bcde") == NULL, 12); /* Empty string. */
+ check(strpbrk(one, "") == NULL, 13); /* Both strings empty. */
+ (void) strcpy(one, "abcabdea");
+ check(strpbrk(one, "befg") == one+1, 14); /* Finding first. */
+ check(strpbrk(one, "cbr") == one+1, 15); /* With multiple search. */
+ check(strpbrk(one, "db") == one+1, 16); /* Another variant. */
+ check(strpbrk(one, "efgh") == one+6, 17); /* And yet another. */
+}
+
+static void
+test_strstr (void)
+{
+ it = "strstr";
+ check(strstr("abcd", "z") == NULL, 1); /* Not found. */
+ check(strstr("abcd", "abx") == NULL, 2); /* Dead end. */
+ (void) strcpy(one, "abcd");
+ check(strstr(one, "c") == one+2, 3); /* Basic test. */
+ check(strstr(one, "bc") == one+1, 4); /* Multichar. */
+ check(strstr(one, "d") == one+3, 5); /* End of string. */
+ check(strstr(one, "cd") == one+2, 6); /* Tail of string. */
+ check(strstr(one, "abc") == one, 7); /* Beginning. */
+ check(strstr(one, "abcd") == one, 8); /* Exact match. */
+ check(strstr(one, "abcde") == NULL, 9); /* Too long. */
+ check(strstr(one, "de") == NULL, 10); /* Past end. */
+ check(strstr(one, "") == one, 11); /* Finding empty. */
+ (void) strcpy(one, "ababa");
+ check(strstr(one, "ba") == one+1, 12); /* Finding first. */
+ (void) strcpy(one, "");
+ check(strstr(one, "b") == NULL, 13); /* Empty string. */
+ check(strstr(one, "") == one, 14); /* Empty in empty string. */
+ (void) strcpy(one, "bcbca");
+ check(strstr(one, "bca") == one+2, 15); /* False start. */
+ (void) strcpy(one, "bbbcabbca");
+ check(strstr(one, "bbca") == one+1, 16); /* With overlap. */
+}
+
+static void
+test_strspn (void)
+{
+ it = "strspn";
+ check(strspn("abcba", "abc") == 5, 1); /* Whole string. */
+ check(strspn("abcba", "ab") == 2, 2); /* Partial. */
+ check(strspn("abc", "qx") == 0, 3); /* None. */
+ check(strspn("", "ab") == 0, 4); /* Null string. */
+ check(strspn("abc", "") == 0, 5); /* Null search list. */
+}
+
+static void
+test_strcspn (void)
+{
+ it = "strcspn";
+ check(strcspn("abcba", "qx") == 5, 1); /* Whole string. */
+ check(strcspn("abcba", "cx") == 2, 2); /* Partial. */
+ check(strcspn("abc", "abc") == 0, 3); /* None. */
+ check(strcspn("", "ab") == 0, 4); /* Null string. */
+ check(strcspn("abc", "") == 3, 5); /* Null search list. */
+}
+
+static void
+test_strtok (void)
+{
+ it = "strtok";
+ (void) strcpy(one, "first, second, third");
+ equal(strtok(one, ", "), "first", 1); /* Basic test. */
+ equal(one, "first", 2);
+ equal(strtok((char *)NULL, ", "), "second", 3);
+ equal(strtok((char *)NULL, ", "), "third", 4);
+ check(strtok((char *)NULL, ", ") == NULL, 5);
+ (void) strcpy(one, ", first, ");
+ equal(strtok(one, ", "), "first", 6); /* Extra delims, 1 tok. */
+ check(strtok((char *)NULL, ", ") == NULL, 7);
+ (void) strcpy(one, "1a, 1b; 2a, 2b");
+ equal(strtok(one, ", "), "1a", 8); /* Changing delim lists. */
+ equal(strtok((char *)NULL, "; "), "1b", 9);
+ equal(strtok((char *)NULL, ", "), "2a", 10);
+ (void) strcpy(two, "x-y");
+ equal(strtok(two, "-"), "x", 11); /* New string before done. */
+ equal(strtok((char *)NULL, "-"), "y", 12);
+ check(strtok((char *)NULL, "-") == NULL, 13);
+ (void) strcpy(one, "a,b, c,, ,d");
+ equal(strtok(one, ", "), "a", 14); /* Different separators. */
+ equal(strtok((char *)NULL, ", "), "b", 15);
+ equal(strtok((char *)NULL, " ,"), "c", 16); /* Permute list too. */
+ equal(strtok((char *)NULL, " ,"), "d", 17);
+ check(strtok((char *)NULL, ", ") == NULL, 18);
+ check(strtok((char *)NULL, ", ") == NULL, 19); /* Persistence. */
+ (void) strcpy(one, ", ");
+ check(strtok(one, ", ") == NULL, 20); /* No tokens. */
+ (void) strcpy(one, "");
+ check(strtok(one, ", ") == NULL, 21); /* Empty string. */
+ (void) strcpy(one, "abc");
+ equal(strtok(one, ", "), "abc", 22); /* No delimiters. */
+ check(strtok((char *)NULL, ", ") == NULL, 23);
+ (void) strcpy(one, "abc");
+ equal(strtok(one, ""), "abc", 24); /* Empty delimiter list. */
+ check(strtok((char *)NULL, "") == NULL, 25);
+ (void) strcpy(one, "abcdefgh");
+ (void) strcpy(one, "a,b,c");
+ equal(strtok(one, ","), "a", 26); /* Basics again... */
+ equal(strtok((char *)NULL, ","), "b", 27);
+ equal(strtok((char *)NULL, ","), "c", 28);
+ check(strtok((char *)NULL, ",") == NULL, 29);
+ equal(one+6, "gh", 30); /* Stomped past end? */
+ equal(one, "a", 31); /* Stomped old tokens? */
+ equal(one+2, "b", 32);
+ equal(one+4, "c", 33);
+}
+
+static void
+test_strtok_r (void)
+{
+ it = "strtok_r";
+ (void) strcpy(one, "first, second, third");
+ cp = NULL; /* Always initialize cp to make sure it doesn't point to some old data. */
+ equal(strtok_r(one, ", ", &cp), "first", 1); /* Basic test. */
+ equal(one, "first", 2);
+ equal(strtok_r((char *)NULL, ", ", &cp), "second", 3);
+ equal(strtok_r((char *)NULL, ", ", &cp), "third", 4);
+ check(strtok_r((char *)NULL, ", ", &cp) == NULL, 5);
+ (void) strcpy(one, ", first, ");
+ cp = NULL;
+ equal(strtok_r(one, ", ", &cp), "first", 6); /* Extra delims, 1 tok. */
+ check(strtok_r((char *)NULL, ", ", &cp) == NULL, 7);
+ (void) strcpy(one, "1a, 1b; 2a, 2b");
+ cp = NULL;
+ equal(strtok_r(one, ", ", &cp), "1a", 8); /* Changing delim lists. */
+ equal(strtok_r((char *)NULL, "; ", &cp), "1b", 9);
+ equal(strtok_r((char *)NULL, ", ", &cp), "2a", 10);
+ (void) strcpy(two, "x-y");
+ cp = NULL;
+ equal(strtok_r(two, "-", &cp), "x", 11); /* New string before done. */
+ equal(strtok_r((char *)NULL, "-", &cp), "y", 12);
+ check(strtok_r((char *)NULL, "-", &cp) == NULL, 13);
+ (void) strcpy(one, "a,b, c,, ,d");
+ cp = NULL;
+ equal(strtok_r(one, ", ", &cp), "a", 14); /* Different separators. */
+ equal(strtok_r((char *)NULL, ", ", &cp), "b", 15);
+ equal(strtok_r((char *)NULL, " ,", &cp), "c", 16); /* Permute list too. */
+ equal(strtok_r((char *)NULL, " ,", &cp), "d", 17);
+ check(strtok_r((char *)NULL, ", ", &cp) == NULL, 18);
+ check(strtok_r((char *)NULL, ", ", &cp) == NULL, 19); /* Persistence. */
+ (void) strcpy(one, ", ");
+ cp = NULL;
+ check(strtok_r(one, ", ", &cp) == NULL, 20); /* No tokens. */
+ (void) strcpy(one, "");
+ cp = NULL;
+ check(strtok_r(one, ", ", &cp) == NULL, 21); /* Empty string. */
+ check(strtok_r((char *)NULL, ", ", &cp) == NULL, 22); /* Persistence. */
+ (void) strcpy(one, "abc");
+ cp = NULL;
+ equal(strtok_r(one, ", ", &cp), "abc", 23); /* No delimiters. */
+ check(strtok_r((char *)NULL, ", ", &cp) == NULL, 24);
+ (void) strcpy(one, "abc");
+ cp = NULL;
+ equal(strtok_r(one, "", &cp), "abc", 25); /* Empty delimiter list. */
+ check(strtok_r((char *)NULL, "", &cp) == NULL, 26);
+ (void) strcpy(one, "abcdefgh");
+ (void) strcpy(one, "a,b,c");
+ cp = NULL;
+ equal(strtok_r(one, ",", &cp), "a", 27); /* Basics again... */
+ equal(strtok_r((char *)NULL, ",", &cp), "b", 28);
+ equal(strtok_r((char *)NULL, ",", &cp), "c", 29);
+ check(strtok_r((char *)NULL, ",", &cp) == NULL, 30);
+ equal(one+6, "gh", 31); /* Stomped past end? */
+ equal(one, "a", 32); /* Stomped old tokens? */
+ equal(one+2, "b", 33);
+ equal(one+4, "c", 34);
+}
+
+static void
+test_strsep (void)
+{
+ char *ptr;
+ it = "strsep";
+ cp = strcpy(one, "first, second, third");
+ equal(strsep(&cp, ", "), "first", 1); /* Basic test. */
+ equal(one, "first", 2);
+ equal(strsep(&cp, ", "), "", 3);
+ equal(strsep(&cp, ", "), "second", 4);
+ equal(strsep(&cp, ", "), "", 5);
+ equal(strsep(&cp, ", "), "third", 6);
+ check(strsep(&cp, ", ") == NULL, 7);
+ cp = strcpy(one, ", first, ");
+ equal(strsep(&cp, ", "), "", 8);
+ equal(strsep(&cp, ", "), "", 9);
+ equal(strsep(&cp, ", "), "first", 10); /* Extra delims, 1 tok. */
+ equal(strsep(&cp, ", "), "", 11);
+ equal(strsep(&cp, ", "), "", 12);
+ check(strsep(&cp, ", ") == NULL, 13);
+ cp = strcpy(one, "1a, 1b; 2a, 2b");
+ equal(strsep(&cp, ", "), "1a", 14); /* Changing delim lists. */
+ equal(strsep(&cp, ", "), "", 15);
+ equal(strsep(&cp, "; "), "1b", 16);
+ equal(strsep(&cp, ", "), "", 17);
+ equal(strsep(&cp, ", "), "2a", 18);
+ cp = strcpy(two, "x-y");
+ equal(strsep(&cp, "-"), "x", 19); /* New string before done. */
+ equal(strsep(&cp, "-"), "y", 20);
+ check(strsep(&cp, "-") == NULL, 21);
+ cp = strcpy(one, "a,b, c,, ,d ");
+ equal(strsep(&cp, ", "), "a", 22); /* Different separators. */
+ equal(strsep(&cp, ", "), "b", 23);
+ equal(strsep(&cp, " ,"), "", 24);
+ equal(strsep(&cp, " ,"), "c", 25); /* Permute list too. */
+ equal(strsep(&cp, " ,"), "", 26);
+ equal(strsep(&cp, " ,"), "", 27);
+ equal(strsep(&cp, " ,"), "", 28);
+ equal(strsep(&cp, " ,"), "d", 29);
+ equal(strsep(&cp, " ,"), "", 30);
+ check(strsep(&cp, ", ") == NULL, 31);
+ check(strsep(&cp, ", ") == NULL, 32); /* Persistence. */
+ cp = strcpy(one, ", ");
+ equal(strsep(&cp, ", "), "", 33);
+ equal(strsep(&cp, ", "), "", 34);
+ equal(strsep(&cp, ", "), "", 35);
+ check(strsep(&cp, ", ") == NULL, 36); /* No tokens. */
+ cp = strcpy(one, "");
+ equal(strsep(&cp, ", "), "", 37);
+ check(strsep(&cp, ", ") == NULL, 38); /* Empty string. */
+ cp = strcpy(one, "abc");
+ equal(strsep(&cp, ", "), "abc", 39); /* No delimiters. */
+ check(strsep(&cp, ", ") == NULL, 40);
+ cp = strcpy(one, "abc");
+ equal(strsep(&cp, ""), "abc", 41); /* Empty delimiter list. */
+ check(strsep(&cp, "") == NULL, 42);
+ (void) strcpy(one, "abcdefgh");
+ cp = strcpy(one, "a,b,c");
+ equal(strsep(&cp, ","), "a", 43); /* Basics again... */
+ equal(strsep(&cp, ","), "b", 44);
+ equal(strsep(&cp, ","), "c", 45);
+ check(strsep(&cp, ",") == NULL, 46);
+ equal(one+6, "gh", 47); /* Stomped past end? */
+ equal(one, "a", 48); /* Stomped old tokens? */
+ equal(one+2, "b", 49);
+ equal(one+4, "c", 50);
+
+ {
+ char text[] = "This,is,a,test";
+ char *list = strdupa (text);
+ equal (strsep (&list, ","), "This", 51);
+ equal (strsep (&list, ","), "is", 52);
+ equal (strsep (&list, ","), "a", 53);
+ equal (strsep (&list, ","), "test", 54);
+ check (strsep (&list, ",") == NULL, 55);
+ }
+
+ cp = strcpy(one, "a,b, c,, ,d,");
+ equal(strsep(&cp, ","), "a", 56); /* Different separators. */
+ equal(strsep(&cp, ","), "b", 57);
+ equal(strsep(&cp, ","), " c", 58); /* Permute list too. */
+ equal(strsep(&cp, ","), "", 59);
+ equal(strsep(&cp, ","), " ", 60);
+ equal(strsep(&cp, ","), "d", 61);
+ equal(strsep(&cp, ","), "", 62);
+ check(strsep(&cp, ",") == NULL, 63);
+ check(strsep(&cp, ",") == NULL, 64); /* Persistence. */
+
+ cp = strcpy(one, "a,b, c,, ,d,");
+ equal(strsep(&cp, "xy,"), "a", 65); /* Different separators. */
+ equal(strsep(&cp, "x,y"), "b", 66);
+ equal(strsep(&cp, ",xy"), " c", 67); /* Permute list too. */
+ equal(strsep(&cp, "xy,"), "", 68);
+ equal(strsep(&cp, "x,y"), " ", 69);
+ equal(strsep(&cp, ",xy"), "d", 70);
+ equal(strsep(&cp, "xy,"), "", 71);
+ check(strsep(&cp, "x,y") == NULL, 72);
+ check(strsep(&cp, ",xy") == NULL, 73); /* Persistence. */
+
+ cp = strcpy(one, "ABC");
+ one[4] = ':';
+ equal(strsep(&cp, "C"), "AB", 74); /* Access beyond NUL. */
+ ptr = strsep(&cp, ":");
+ equal(ptr, "", 75);
+ check(ptr == one + 3, 76);
+ check(cp == NULL, 77);
+
+ cp = strcpy(one, "ABC");
+ one[4] = ':';
+ equal(strsep(&cp, "CD"), "AB", 78); /* Access beyond NUL. */
+ ptr = strsep(&cp, ":.");
+ equal(ptr, "", 79);
+ check(ptr == one + 3, 80);
+
+ cp = strcpy(one, "ABC"); /* No token in string. */
+ equal(strsep(&cp, ","), "ABC", 81);
+ check(cp == NULL, 82);
+
+ *one = '\0'; /* Empty string. */
+ cp = one;
+ ptr = strsep(&cp, ",");
+ equal(ptr, "", 83);
+ check(ptr == one, 84);
+ check(cp == NULL, 85);
+
+ *one = '\0'; /* Empty string and no token. */
+ cp = one;
+ ptr = strsep(&cp, "");
+ equal(ptr, "", 86);
+ check(ptr == one , 87);
+ check(cp == NULL, 88);
+}
+
+static void
+test_memcmp (void)
+{
+ it = "memcmp";
+ check(memcmp("a", "a", 1) == 0, 1); /* Identity. */
+ check(memcmp("abc", "abc", 3) == 0, 2); /* Multicharacter. */
+ check(memcmp("abcd", "abce", 4) < 0, 3); /* Honestly unequal. */
+ check(memcmp("abce", "abcd", 4) > 0, 4);
+ check(memcmp("alph", "beta", 4) < 0, 5);
+ check(memcmp("a\203", "a\003", 2) > 0, 6);
+ check(memcmp("abce", "abcd", 3) == 0, 7); /* Count limited. */
+ check(memcmp("abc", "def", 0) == 0, 8); /* Zero count. */
+}
+
+static void
+test_memchr (void)
+{
+ it = "memchr";
+ check(memchr("abcd", 'z', 4) == NULL, 1); /* Not found. */
+ (void) strcpy(one, "abcd");
+ check(memchr(one, 'c', 4) == one+2, 2); /* Basic test. */
+ check(memchr(one, ~0xff|'c', 4) == one+2, 2); /* ignore highorder bits. */
+ check(memchr(one, 'd', 4) == one+3, 3); /* End of string. */
+ check(memchr(one, 'a', 4) == one, 4); /* Beginning. */
+ check(memchr(one, '\0', 5) == one+4, 5); /* Finding NUL. */
+ (void) strcpy(one, "ababa");
+ check(memchr(one, 'b', 5) == one+1, 6); /* Finding first. */
+ check(memchr(one, 'b', 0) == NULL, 7); /* Zero count. */
+ check(memchr(one, 'a', 1) == one, 8); /* Singleton case. */
+ (void) strcpy(one, "a\203b");
+ check(memchr(one, 0203, 3) == one+1, 9); /* Unsignedness. */
+
+ /* now test all possible alignment and length combinations to catch
+ bugs due to unrolled loops (assuming unrolling is limited to no
+ more than 128 byte chunks: */
+ {
+ char buf[128 + sizeof(long)];
+ long align, len, i, pos;
+
+ for (align = 0; align < (long) sizeof(long); ++align) {
+ for (len = 0; len < (long) (sizeof(buf) - align); ++len) {
+ for (i = 0; i < len; ++i) {
+ buf[align + i] = 'x'; /* don't depend on memset... */
+ }
+ for (pos = 0; pos < len; ++pos) {
+#if 0
+ printf("align %d, len %d, pos %d\n", align, len, pos);
+#endif
+ check(memchr(buf + align, 'x', len) == buf + align + pos, 10);
+ check(memchr(buf + align, 'x', pos) == NULL, 11);
+ buf[align + pos] = '-';
+ }
+ }
+ }
+ }
+}
+
+static void
+test_memcpy (void)
+{
+ int i;
+ it = "memcpy";
+ check(memcpy(one, "abc", 4) == one, 1); /* Returned value. */
+ equal(one, "abc", 2); /* Did the copy go right? */
+
+ (void) strcpy(one, "abcdefgh");
+ (void) memcpy(one+1, "xyz", 2);
+ equal(one, "axydefgh", 3); /* Basic test. */
+
+ (void) strcpy(one, "abc");
+ (void) memcpy(one, "xyz", 0);
+ equal(one, "abc", 4); /* Zero-length copy. */
+
+ (void) strcpy(one, "hi there");
+ (void) strcpy(two, "foo");
+ (void) memcpy(two, one, 9);
+ equal(two, "hi there", 5); /* Just paranoia. */
+ equal(one, "hi there", 6); /* Stomped on source? */
+
+ for (i = 0; i < 16; i++)
+ {
+ const char *x = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
+ strcpy (one, x);
+ check (memcpy (one + i, "hi there", 9) == one + i,
+ 7 + (i * 6)); /* Unaligned destination. */
+ check (memcmp (one, x, i) == 0, 8 + (i * 6)); /* Wrote under? */
+ equal (one + i, "hi there", 9 + (i * 6));
+ check (one[i + 9] == 'x', 10 + (i * 6)); /* Wrote over? */
+ check (memcpy (two, one + i, 9) == two,
+ 11 + (i * 6)); /* Unaligned source. */
+ equal (two, "hi there", 12 + (i * 6));
+ }
+}
+
+static void
+test_mempcpy (void)
+{
+ int i;
+ it = "mempcpy";
+ check(mempcpy(one, "abc", 4) == one + 4, 1); /* Returned value. */
+ equal(one, "abc", 2); /* Did the copy go right? */
+
+ (void) strcpy(one, "abcdefgh");
+ (void) mempcpy(one+1, "xyz", 2);
+ equal(one, "axydefgh", 3); /* Basic test. */
+
+ (void) strcpy(one, "abc");
+ (void) mempcpy(one, "xyz", 0);
+ equal(one, "abc", 4); /* Zero-length copy. */
+
+ (void) strcpy(one, "hi there");
+ (void) strcpy(two, "foo");
+ (void) mempcpy(two, one, 9);
+ equal(two, "hi there", 5); /* Just paranoia. */
+ equal(one, "hi there", 6); /* Stomped on source? */
+
+ for (i = 0; i < 16; i++)
+ {
+ const char *x = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
+ strcpy (one, x);
+ check (mempcpy (one + i, "hi there", 9) == one + i + 9,
+ 7 + (i * 6)); /* Unaligned destination. */
+ check (memcmp (one, x, i) == 0, 8 + (i * 6)); /* Wrote under? */
+ equal (one + i, "hi there", 9 + (i * 6));
+ check (one[i + 9] == 'x', 10 + (i * 6)); /* Wrote over? */
+ check (mempcpy (two, one + i, 9) == two + 9,
+ 11 + (i * 6)); /* Unaligned source. */
+ equal (two, "hi there", 12 + (i * 6));
+ }
+}
+
+static void
+test_memmove (void)
+{
+ it = "memmove";
+ check(memmove(one, "abc", 4) == one, 1); /* Returned value. */
+ equal(one, "abc", 2); /* Did the copy go right? */
+
+ (void) strcpy(one, "abcdefgh");
+ (void) memmove(one+1, "xyz", 2);
+ equal(one, "axydefgh", 3); /* Basic test. */
+
+ (void) strcpy(one, "abc");
+ (void) memmove(one, "xyz", 0);
+ equal(one, "abc", 4); /* Zero-length copy. */
+
+ (void) strcpy(one, "hi there");
+ (void) strcpy(two, "foo");
+ (void) memmove(two, one, 9);
+ equal(two, "hi there", 5); /* Just paranoia. */
+ equal(one, "hi there", 6); /* Stomped on source? */
+
+ (void) strcpy(one, "abcdefgh");
+ (void) memmove(one+1, one, 9);
+ equal(one, "aabcdefgh", 7); /* Overlap, right-to-left. */
+
+ (void) strcpy(one, "abcdefgh");
+ (void) memmove(one+1, one+2, 7);
+ equal(one, "acdefgh", 8); /* Overlap, left-to-right. */
+
+ (void) strcpy(one, "abcdefgh");
+ (void) memmove(one, one, 9);
+ equal(one, "abcdefgh", 9); /* 100% overlap. */
+}
+
+static void
+test_memccpy (void)
+{
+ /* First test like memcpy, then the search part The SVID, the only
+ place where memccpy is mentioned, says overlap might fail, so we
+ don't try it. Besides, it's hard to see the rationale for a
+ non-left-to-right memccpy. */
+ it = "memccpy";
+ check(memccpy(one, "abc", 'q', 4) == NULL, 1); /* Returned value. */
+ equal(one, "abc", 2); /* Did the copy go right? */
+
+ (void) strcpy(one, "abcdefgh");
+ (void) memccpy(one+1, "xyz", 'q', 2);
+ equal(one, "axydefgh", 3); /* Basic test. */
+
+ (void) strcpy(one, "abc");
+ (void) memccpy(one, "xyz", 'q', 0);
+ equal(one, "abc", 4); /* Zero-length copy. */
+
+ (void) strcpy(one, "hi there");
+ (void) strcpy(two, "foo");
+ (void) memccpy(two, one, 'q', 9);
+ equal(two, "hi there", 5); /* Just paranoia. */
+ equal(one, "hi there", 6); /* Stomped on source? */
+
+ (void) strcpy(one, "abcdefgh");
+ (void) strcpy(two, "horsefeathers");
+ check(memccpy(two, one, 'f', 9) == two+6, 7); /* Returned value. */
+ equal(one, "abcdefgh", 8); /* Source intact? */
+ equal(two, "abcdefeathers", 9); /* Copy correct? */
+
+ (void) strcpy(one, "abcd");
+ (void) strcpy(two, "bumblebee");
+ check(memccpy(two, one, 'a', 4) == two+1, 10); /* First char. */
+ equal(two, "aumblebee", 11);
+ check(memccpy(two, one, 'd', 4) == two+4, 12); /* Last char. */
+ equal(two, "abcdlebee", 13);
+ (void) strcpy(one, "xyz");
+ check(memccpy(two, one, 'x', 1) == two+1, 14); /* Singleton. */
+ equal(two, "xbcdlebee", 15);
+}
+
+static void
+test_memset (void)
+{
+ int i;
+
+ it = "memset";
+ (void) strcpy(one, "abcdefgh");
+ check(memset(one+1, 'x', 3) == one+1, 1); /* Return value. */
+ equal(one, "axxxefgh", 2); /* Basic test. */
+
+ (void) memset(one+2, 'y', 0);
+ equal(one, "axxxefgh", 3); /* Zero-length set. */
+
+ (void) memset(one+5, 0, 1);
+ equal(one, "axxxe", 4); /* Zero fill. */
+ equal(one+6, "gh", 5); /* And the leftover. */
+
+ (void) memset(one+2, 010045, 1);
+ equal(one, "ax\045xe", 6); /* Unsigned char convert. */
+
+ /* Non-8bit fill character. */
+ memset (one, 0x101, sizeof (one));
+ for (i = 0; i < (int) sizeof (one); ++i)
+ check (one[i] == '\01', 7);
+
+ /* Test for more complex versions of memset, for all alignments and
+ lengths up to 256. This test takes a little while, perhaps it should
+ be made weaker? */
+ {
+ char data[512];
+ int j;
+ int k;
+ int c;
+
+ for (i = 0; i < 512; i++)
+ data[i] = 'x';
+ for (c = 0; c <= 'y'; c += 'y') /* check for memset(,0,) and
+ memset(,'y',) */
+ for (j = 0; j < 256; j++)
+ for (i = 0; i < 256; i++)
+ {
+ memset (data + i, c, j);
+ for (k = 0; k < i; k++)
+ if (data[k] != 'x')
+ goto fail;
+ for (k = i; k < i+j; k++)
+ {
+ if (data[k] != c)
+ goto fail;
+ data[k] = 'x';
+ }
+ for (k = i+j; k < 512; k++)
+ if (data[k] != 'x')
+ goto fail;
+ continue;
+
+ fail:
+ check (0, 8 + i + j * 256 + (c != 0) * 256 * 256);
+ }
+ }
+}
+
+static void
+test_bcopy (void)
+{
+ /* Much like memcpy. Berklix manual is silent about overlap, so
+ don't test it. */
+ it = "bcopy";
+ (void) bcopy("abc", one, 4);
+ equal(one, "abc", 1); /* Simple copy. */
+
+ (void) strcpy(one, "abcdefgh");
+ (void) bcopy("xyz", one+1, 2);
+ equal(one, "axydefgh", 2); /* Basic test. */
+
+ (void) strcpy(one, "abc");
+ (void) bcopy("xyz", one, 0);
+ equal(one, "abc", 3); /* Zero-length copy. */
+
+ (void) strcpy(one, "hi there");
+ (void) strcpy(two, "foo");
+ (void) bcopy(one, two, 9);
+ equal(two, "hi there", 4); /* Just paranoia. */
+ equal(one, "hi there", 5); /* Stomped on source? */
+}
+
+static void
+test_bzero (void)
+{
+ it = "bzero";
+ (void) strcpy(one, "abcdef");
+ bzero(one+2, 2);
+ equal(one, "ab", 1); /* Basic test. */
+ equal(one+3, "", 2);
+ equal(one+4, "ef", 3);
+
+ (void) strcpy(one, "abcdef");
+ bzero(one+2, 0);
+ equal(one, "abcdef", 4); /* Zero-length copy. */
+}
+
+static void
+test_strndup (void)
+{
+ char *p, *q;
+ it = "strndup";
+ p = strndup("abcdef", 12);
+ check(p != NULL, 1);
+ if (p != NULL)
+ {
+ equal(p, "abcdef", 2);
+ q = strndup(p + 1, 2);
+ check(q != NULL, 3);
+ if (q != NULL)
+ equal(q, "bc", 4);
+ free (q);
+ }
+ free (p);
+ p = strndup("abc def", 3);
+ check(p != NULL, 5);
+ if (p != NULL)
+ equal(p, "abc", 6);
+ free (p);
+}
+
+static void
+test_bcmp (void)
+{
+ it = "bcmp";
+ check(bcmp("a", "a", 1) == 0, 1); /* Identity. */
+ check(bcmp("abc", "abc", 3) == 0, 2); /* Multicharacter. */
+ check(bcmp("abcd", "abce", 4) != 0, 3); /* Honestly unequal. */
+ check(bcmp("abce", "abcd", 4) != 0, 4);
+ check(bcmp("alph", "beta", 4) != 0, 5);
+ check(bcmp("abce", "abcd", 3) == 0, 6); /* Count limited. */
+ check(bcmp("abc", "def", 0) == 0, 8); /* Zero count. */
+}
+
+static void
+test_strerror (void)
+{
+ it = "strerror";
+ check(strerror(EDOM) != 0, 1);
+ check(strerror(ERANGE) != 0, 2);
+ check(strerror(ENOENT) != 0, 3);
+}
+
+int
+main (void)
+{
+ int status;
+
+ /* Test strcmp first because we use it to test other things. */
+ test_strcmp ();
+
+ /* Test strcpy next because we need it to set up other tests. */
+ test_strcpy ();
+
+ /* A closely related function is stpcpy. */
+ test_stpcpy ();
+
+ /* stpncpy. */
+ test_stpncpy ();
+
+ /* strcat. */
+ test_strcat ();
+
+ /* strncat. */
+ test_strncat ();
+
+ /* strncmp. */
+ test_strncmp ();
+
+ /* strncpy. */
+ test_strncpy ();
+
+ /* strlen. */
+ test_strlen ();
+
+ /* strnlen. */
+ test_strnlen ();
+
+ /* strchr. */
+ test_strchr ();
+
+ /* strchrnul. */
+ test_strchrnul ();
+
+ /* rawmemchr. */
+ test_rawmemchr ();
+
+ /* index - just like strchr. */
+ test_index ();
+
+ /* strrchr. */
+ test_strrchr ();
+
+ /* memrchr. */
+ test_memrchr ();
+
+ /* rindex - just like strrchr. */
+ test_rindex ();
+
+ /* strpbrk - somewhat like strchr. */
+ test_strpbrk ();
+
+ /* strstr - somewhat like strchr. */
+ test_strstr ();
+
+ /* strspn. */
+ test_strspn ();
+
+ /* strcspn. */
+ test_strcspn ();
+
+ /* strtok - the hard one. */
+ test_strtok ();
+
+ /* strtok_r. */
+ test_strtok_r ();
+
+ /* strsep. */
+ test_strsep ();
+
+ /* memcmp. */
+ test_memcmp ();
+
+ /* memchr. */
+ test_memchr ();
+
+ /* memcpy - need not work for overlap. */
+ test_memcpy ();
+
+ /* memmove - must work on overlap. */
+ test_memmove ();
+
+ /* mempcpy */
+ test_mempcpy ();
+
+ /* memccpy. */
+ test_memccpy ();
+
+ /* memset. */
+ test_memset ();
+
+ /* bcopy. */
+ test_bcopy ();
+
+ /* bzero. */
+ test_bzero ();
+
+ /* bcmp - somewhat like memcmp. */
+ test_bcmp ();
+
+ /* strndup. */
+ test_strndup ();
+
+ /* strerror - VERY system-dependent. */
+ test_strerror ();
+
+
+ if (errors == 0)
+ {
+ status = EXIT_SUCCESS;
+ puts("No errors.");
+ }
+ else
+ {
+ status = EXIT_FAILURE;
+ printf("%lu errors.\n", (unsigned long)errors);
+ }
+
+ return status;
+}
OSDN Git Service
