diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/string/x86_64/string.c | 1454 |
1 files changed, 0 insertions, 1454 deletions
diff --git a/libc/string/x86_64/string.c b/libc/string/x86_64/string.c deleted file mode 100644 index 60caddf99..000000000 --- a/libc/string/x86_64/string.c +++ /dev/null @@ -1,1454 +0,0 @@ -/* 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; -} |