diff options
Diffstat (limited to 'string')
| -rw-r--r-- | string/.cvsignore | 4 | ||||
| -rw-r--r-- | string/Makefile | 39 | ||||
| -rw-r--r-- | string/endian.h | 43 | ||||
| -rw-r--r-- | string/memfrob.c | 32 | ||||
| -rw-r--r-- | string/memory.h | 34 | ||||
| -rw-r--r-- | string/strcoll.c | 70 | ||||
| -rw-r--r-- | string/strdup.c | 38 | ||||
| -rw-r--r-- | string/strerror.c | 33 | ||||
| -rw-r--r-- | string/strfry.c | 46 | ||||
| -rw-r--r-- | string/string.h | 186 | ||||
| -rw-r--r-- | string/strings.h | 32 | ||||
| -rw-r--r-- | string/strsignal.c | 49 | ||||
| -rw-r--r-- | string/strtok.c | 73 | ||||
| -rw-r--r-- | string/strxfrm.c | 76 | ||||
| -rw-r--r-- | string/swab.c | 32 | ||||
| -rw-r--r-- | string/test-ffs.c | 54 | ||||
| -rw-r--r-- | string/testcopy.c | 111 | ||||
| -rw-r--r-- | string/tester.c | 570 |
18 files changed, 1522 insertions, 0 deletions
diff --git a/string/.cvsignore b/string/.cvsignore new file mode 100644 index 0000000000..1f69fd919a --- /dev/null +++ b/string/.cvsignore @@ -0,0 +1,4 @@ +*.gz *.Z *.tar *.tgz +=* +TODO COPYING* AUTHORS copyr-* copying.* +glibc-* diff --git a/string/Makefile b/string/Makefile new file mode 100644 index 0000000000..a4ba83b465 --- /dev/null +++ b/string/Makefile @@ -0,0 +1,39 @@ +# Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +# This file is part of the GNU C Library. + +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Library General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. + +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Library General Public License for more details. + +# You should have received a copy of the GNU Library General Public +# License along with the GNU C Library; see the file COPYING.LIB. If +# not, write to the Free Software Foundation, Inc., 675 Mass Ave, +# Cambridge, MA 02139, USA. + +# +# Sub-makefile for string portion of library. +# +subdir := string + +headers := string.h strings.h memory.h endian.h bytesex.h + +routines := strcat strchr strcmp strcoll strcpy strcspn strdup \ + strerror _strerror strlen strncat strncmp strncpy \ + strrchr strpbrk strsignal strspn strstr strtok \ + strxfrm memchr memcmp memmove memset \ + bcopy bzero ffs stpcpy stpncpy \ + strcasecmp strncase \ + memccpy memcpy wordcopy strsep \ + swab strfry memfrob memmem + +tests := tester testcopy test-ffs +distribute := memcopy.h + + +include ../Rules diff --git a/string/endian.h b/string/endian.h new file mode 100644 index 0000000000..8871ff54d4 --- /dev/null +++ b/string/endian.h @@ -0,0 +1,43 @@ +/* Copyright (C) 1992 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#ifndef _ENDIAN_H +#define _ENDIAN_H 1 +#include <features.h> + +/* Definitions for byte order, according to significance of bytes, from low + addresses to high addresses. The value is what you get by putting '4' + in the most significant byte, '3' in the second most significant byte, + '2' in the second least significant byte, and '1' in the least + significant byte. */ + +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 +#define __PDP_ENDIAN 3412 + +/* This file defines `__BYTE_ORDER' for the particular machine. */ +#include <bytesex.h> + +#ifdef __USE_BSD +#define LITTLE_ENDIAN __LITTLE_ENDIAN +#define BIG_ENDIAN __BIG_ENDIAN +#define PDP_ENDIAN __PDP_ENDIAN +#define BYTE_ORDER __BYTE_ORDER +#endif + +#endif /* endian.h */ diff --git a/string/memfrob.c b/string/memfrob.c new file mode 100644 index 0000000000..cf3422bdc7 --- /dev/null +++ b/string/memfrob.c @@ -0,0 +1,32 @@ +/* Copyright (C) 1992 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <string.h> + +PTR +DEFUN(memfrob, (s, n), + PTR s AND size_t n) +{ + register char *p = (char *) s; + + while (n-- > 0) + *p++ ^= 42; + + return s; +} diff --git a/string/memory.h b/string/memory.h new file mode 100644 index 0000000000..901a291ea3 --- /dev/null +++ b/string/memory.h @@ -0,0 +1,34 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +/* + * SVID + */ + +#ifndef _MEMORY_H + +#define _MEMORY_H 1 +#include <features.h> + + +#ifndef _STRING_H +#include <string.h> +#endif /* string.h */ + + +#endif /* memory.h */ diff --git a/string/strcoll.c b/string/strcoll.c new file mode 100644 index 0000000000..ed4b35f80d --- /dev/null +++ b/string/strcoll.c @@ -0,0 +1,70 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <localeinfo.h> +#include <stddef.h> +#include <stdlib.h> +#include <string.h> + + +/* Compare S1 and S2, returning less than, equal to or + greater than zero if the collated form of S1 is lexiographically + less than, equal to or greater than the collated form of S2. */ +int +DEFUN(strcoll, (s1, s2), CONST char *s1 AND CONST char *s2) +{ + if (_collate_info == NULL || _collate_info->values == NULL) + return strcmp(s1, s2); + else + { + CONST unsigned char *CONST values = _collate_info->values; + CONST unsigned char *CONST offsets = _collate_info->offsets; + + while (*s1 != '\0' && *s2 != '\0') + { + CONST unsigned char c1 = *s1++, c2 = *s2++; + CONST unsigned char v1 = values[c1], v2 = values[c2]; + CONST unsigned char o1 = offsets[c1], o2 = offsets[c2]; + + if (v1 == UCHAR_MAX && o1 == 0) + /* This is a non-collating element. Skip it. */ + --s2; + else if (v2 == UCHAR_MAX && o2 == 0) + --s1; + else if (v1 == UCHAR_MAX && o1 == CHAR_MAX) + { + /* This element collates lower than anything else. */ + if (v2 != UCHAR_MAX || o2 != CHAR_MAX) + return -1; + } + else if (v2 == UCHAR_MAX && o2 == CHAR_MAX) + return 1; + else if (v1 != v2) + return v1 - v2; + else if (o1 != o2) + return o1 - o2; + } + + if (*s1 == '\0') + return *s2 == '\0' ? 0 : -1; + else if (*s2 == '\0') + return 1; + return 0; + } +} diff --git a/string/strdup.c b/string/strdup.c new file mode 100644 index 0000000000..2c8aff2796 --- /dev/null +++ b/string/strdup.c @@ -0,0 +1,38 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <stddef.h> +#include <stdlib.h> +#include <string.h> + + +/* Duplicate S, returning an identical malloc'd string. */ +char * +DEFUN(strdup, (s), CONST char *s) +{ + size_t len = strlen(s) + 1; + PTR new = malloc(len); + + if (new == NULL) + return NULL; + + memcpy(new, (PTR) s, len); + + return (char *) new; +} diff --git a/string/strerror.c b/string/strerror.c new file mode 100644 index 0000000000..67759703c4 --- /dev/null +++ b/string/strerror.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <stdio.h> +#include <string.h> + +extern char *_strerror_internal __P ((int, char buf[1024])); + +/* Return a string descibing the errno code in ERRNUM. + The storage is good only until the next call to strerror. + Writing to the storage causes undefined behavior. */ +char * +DEFUN(strerror, (errnum), int errnum) +{ + static char buf[1024]; + return _strerror_internal (errnum, buf); +} diff --git a/string/strfry.c b/string/strfry.c new file mode 100644 index 0000000000..c885f66c68 --- /dev/null +++ b/string/strfry.c @@ -0,0 +1,46 @@ +/* Copyright (C) 1992 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <string.h> +#include <stdlib.h> +#include <time.h> + +char * +DEFUN(strfry, (string), char *string) +{ + static int init = 0; + size_t len, i; + + if (!init) + { + srand (time ((time_t *) NULL)); + init = 1; + } + + len = strlen (string); + for (i = 0; i < len; ++i) + { + size_t j = rand () % len; + char c = string[i]; + string[i] = string[j]; + string[j] = c; + } + + return string; +} diff --git a/string/string.h b/string/string.h new file mode 100644 index 0000000000..905d727f18 --- /dev/null +++ b/string/string.h @@ -0,0 +1,186 @@ +/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +/* + * ANSI Standard: 4.11 STRING HANDLING <string.h> + */ + +#ifndef _STRING_H + +#define _STRING_H 1 +#include <features.h> + +__BEGIN_DECLS + +/* Get size_t and NULL from <stddef.h>. */ +#define __need_size_t +#define __need_NULL +#include <stddef.h> + + +/* Copy N bytes of SRC to DEST. */ +extern __ptr_t memcpy __P ((__ptr_t __dest, __const __ptr_t __src, + size_t __n)); +/* Copy N bytes of SRC to DEST, guaranteeing + correct behavior for overlapping strings. */ +extern __ptr_t memmove __P ((__ptr_t __dest, __const __ptr_t __src, + size_t __n)); + +/* Copy no more than N bytes of SRC to DEST, stopping when C is found. + Return the position in DEST one byte past where C was copied, + or NULL if C was not found in the first N bytes of SRC. */ +extern __ptr_t __memccpy __P ((__ptr_t __dest, __const __ptr_t __src, + int __c, size_t __n)); +#if defined (__USE_SVID) || defined (__USE_BSD) +extern __ptr_t memccpy __P ((__ptr_t __dest, __const __ptr_t __src, + int __c, size_t __n)); +#ifdef __OPTIMIZE__ +#define memccpy(dest, src, c, n) __memccpy((dest), (src), (c), (n)) +#endif /* Optimizing. */ +#endif /* SVID. */ + + +/* Set N bytes of S to C. */ +extern __ptr_t memset __P ((__ptr_t __s, int __c, size_t __n)); + +/* Compare N bytes of S1 and S2. */ +extern int memcmp __P ((__const __ptr_t __s1, __const __ptr_t __s2, + size_t __n)); + +/* Search N bytes of S for C. */ +extern __ptr_t memchr __P ((__const __ptr_t __s, int __c, size_t __n)); + + +/* Copy SRC to DEST. */ +extern char *strcpy __P ((char *__dest, __const char *__src)); +/* Copy no more than N characters of SRC to DEST. */ +extern char *strncpy __P ((char *__dest, __const char *__src, size_t __n)); + +/* Append SRC onto DEST. */ +extern char *strcat __P ((char *__dest, __const char *__src)); +/* Append no more than N characters from SRC onto DEST. */ +extern char *strncat __P ((char *__dest, __const char *__src, size_t __n)); + +/* Compare S1 and S2. */ +extern int strcmp __P ((__const char *__s1, __const char *__s2)); +/* Compare N characters of S1 and S2. */ +extern int strncmp __P ((__const char *__s1, __const char *__s2, size_t __n)); + +/* Compare the collated forms of S1 and S2. */ +extern int strcoll __P ((__const char *__s1, __const char *__s2)); +/* Put a transformation of SRC into no more than N bytes of DEST. */ +extern size_t strxfrm __P ((char *__dest, __const char *__src, size_t __n)); + +#if defined (__USE_SVID) || defined (__USE_BSD) +/* Duplicate S, returning an identical malloc'd string. */ +extern char *strdup __P ((__const char *__s)); +#endif + +/* Find the first occurrence of C in S. */ +extern char *strchr __P ((__const char *__s, int __c)); +/* Find the last occurrence of C in S. */ +extern char *strrchr __P ((__const char *__s, int __c)); + +/* Return the length of the initial segment of S which + consists entirely of characters not in REJECT. */ +extern size_t strcspn __P ((__const char *__s, __const char *__reject)); +/* Return the length of the initial segment of S which + consists entirely of characters in ACCEPT. */ +extern size_t strspn __P ((__const char *__s, __const char *__accept)); +/* Find the first occurence in S of any character in ACCEPT. */ +extern char *strpbrk __P ((__const char *__s, __const char *__accept)); +/* Find the first occurence of NEEDLE in HAYSTACK. */ +extern char *strstr __P ((__const char *__haystack, __const char *__needle)); +/* Divide S into tokens separated by characters in DELIM. */ +extern char *strtok __P ((char *__s, __const char *__delim)); + +#ifdef __USE_GNU +/* Find the first occurence of NEEDLE in HAYSTACK. + NEEDLE is NEEDLELEN bytes long; + HAYSTACK is HAYSTACKLEN bytes long. */ +extern __ptr_t memmem __P ((__const __ptr_t __haystack, size_t __haystacklen, + __const __ptr_t __needle, size_t __needlelen)); +#endif + +/* Return the length of S. */ +extern size_t strlen __P ((__const char *__s)); + +/* Return a string describing the meaning of the errno code in ERRNUM. */ +extern char *strerror __P ((int __errnum)); + +#ifdef __USE_BSD +/* Find the first occurrence of C in S (same as strchr). */ +extern char *index __P ((__const char *__s, int __c)); + +/* Find the last occurrence of C in S (same as strrchr). */ +extern char *rindex __P ((__const char *__s, int __c)); + +/* Copy N bytes of SRC to DEST (like memmove, but args reversed). */ +extern void bcopy __P ((__const __ptr_t __src, __ptr_t __dest, size_t __n)); + +/* Set N bytes of S to 0. */ +extern void bzero __P ((__ptr_t __s, size_t __n)); + +/* Compare N bytes of S1 and S2 (same as memcmp). */ +extern int bcmp __P ((__const __ptr_t __s1, __const __ptr_t __s2, size_t __n)); + +/* Return the position of the first bit set in I, or 0 if none are set. + The least-significant bit is position 1, the most-significant 32. */ +extern int ffs __P ((int __i)); + +/* Compare S1 and S2, ignoring case. */ +extern int strcasecmp __P ((__const char *__s1, __const char *__s2)); + +/* Return the next DELIM-delimited token from *STRINGP, + terminating it with a '\0', and update *STRINGP to point past it. */ +extern char *strsep __P ((char **__stringp, __const char *__delim)); +#endif + +/* Copy no more than N characters of SRC to DEST, returning the address of + the last character written into DEST. */ +extern char *__stpncpy __P ((char *__dest, __const char *__src, size_t __n)); + +#ifdef __USE_GNU +/* Compare no more than N chars of S1 and S2, ignoring case. */ +extern int strncasecmp __P ((__const char *__s1, __const char *__s2, + size_t __n)); + +/* Return a string describing the meaning of the signal number in SIG. */ +extern char *strsignal __P ((int __sig)); + +/* Copy SRC to DEST, returning the address of the terminating '\0' in DEST. */ +extern char *stpcpy __P ((char *__dest, __const char *__src)); + +/* Copy no more than N characters of SRC to DEST, returning the address of + the last character written into DEST. */ +extern char *stpncpy __P ((char *__dest, __const char *__src, size_t __n)); + +#ifdef __OPTIMIZE__ +#define stpncpy(dest, src, n) __stpncpy ((dest), (src), (n)) +#endif + +/* Sautee STRING briskly. */ +extern char *strfry __P ((char *__string)); + +/* Frobnicate N bytes of S. */ +extern __ptr_t memfrob __P ((__ptr_t __s, size_t __n)); +#endif + +__END_DECLS + +#endif /* string.h */ diff --git a/string/strings.h b/string/strings.h new file mode 100644 index 0000000000..235c3e5c9e --- /dev/null +++ b/string/strings.h @@ -0,0 +1,32 @@ +/* Copyright (C) 1991, 1992 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +/* Compatibility with BSD string(3). */ + +#ifndef _STRINGS_H + +#define _STRINGS_H 1 +#include <features.h> + + +#ifndef _STRING_H +#include <string.h> +#endif /* string.h */ + + +#endif /* strings.h */ diff --git a/string/strsignal.c b/string/strsignal.c new file mode 100644 index 0000000000..c2c8835a19 --- /dev/null +++ b/string/strsignal.c @@ -0,0 +1,49 @@ +/* Copyright (C) 1991, 1994 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <signal.h> +#include <stdio.h> +#include <string.h> + + +#ifndef HAVE_GNU_LD +#define _sys_siglist sys_siglist +#endif + +/* Defined in , 1992siglist.c. */ +extern CONST char *CONST _sys_siglist[]; + + +/* Return a string describing the meaning of the signal number SIGNUM. */ +char * +DEFUN(strsignal, (signum), int signum) +{ + if (signum < 0 || signum > NSIG) + { + static char unknown_signal[] = "Unknown signal 000000000000000000"; + static char fmt[] = "Unknown signal%d"; + size_t len = sprintf(unknown_signal, fmt, signum); + if (len < sizeof(fmt) - 2) + return NULL; + unknown_signal[len] = '\0'; + return unknown_signal; + } + + return (char *) _sys_siglist[signum]; +} diff --git a/string/strtok.c b/string/strtok.c new file mode 100644 index 0000000000..0b95084f53 --- /dev/null +++ b/string/strtok.c @@ -0,0 +1,73 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <errno.h> +#include <string.h> + + +static char *olds = NULL; + +/* Parse S into tokens separated by characters in DELIM. + If S is NULL, the last string strtok() was called with is + used. For example: + char s[] = "-abc=-def"; + x = strtok(s, "-"); // x = "abc" + x = strtok(NULL, "=-"); // x = "def" + x = strtok(NULL, "="); // x = NULL + // s = "abc\0-def\0" +*/ +char * +DEFUN(strtok, (s, delim), + register char *s AND register CONST char *delim) +{ + char *token; + + if (s == NULL) + { + if (olds == NULL) + { + errno = EINVAL; + return NULL; + } + else + s = olds; + } + + /* Scan leading delimiters. */ + s += strspn(s, delim); + if (*s == '\0') + { + olds = NULL; + return NULL; + } + + /* Find the end of the token. */ + token = s; + s = strpbrk(token, delim); + if (s == NULL) + /* This token finishes the string. */ + olds = NULL; + else + { + /* Terminate the token and make OLDS point past it. */ + *s = '\0'; + olds = s + 1; + } + return token; +} diff --git a/string/strxfrm.c b/string/strxfrm.c new file mode 100644 index 0000000000..cdca280e78 --- /dev/null +++ b/string/strxfrm.c @@ -0,0 +1,76 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <localeinfo.h> +#include <stddef.h> +#include <stdlib.h> +#include <string.h> + + +/* Transform SRC into a form such that the result of strcmp + on two strings that have been transformed by strxfrm is + the same as the result of strcoll on the two strings before + their transformation. The transformed string is put in at + most N characters of DEST and its length is returned. */ +size_t +DEFUN(strxfrm, (dest, src, n), char *dest AND CONST char *src AND size_t n) +{ + CONST unsigned char *CONST values + = _collate_info != NULL ? _collate_info->values : NULL; + CONST unsigned char *CONST offsets + = _collate_info != NULL ? _collate_info->offsets : NULL; + register size_t done = 0; + + while (*src != '\0') + { + CONST unsigned char c = *src++; + + ++done; + if (offsets != NULL && offsets[c] != 0) + { + ++done; + if (offsets[c] == CHAR_MAX) + ++done; + } + if (done < n && dest != NULL) + { + if (values == NULL) + *dest++ = c; + else if (values[c] == UCHAR_MAX && offsets[c] == 0) + /* This is a non-collating element. Skip it. */ + ; + else if (values[c] == UCHAR_MAX && offsets[c] == CHAR_MAX) + { + /* This element collates lower than anything else. */ + *dest++ = '\001'; + *dest++ = '\001'; + *dest++ = '\001'; + } + else + { + *dest++ = values[c]; + *dest++ = offsets[c]; + } + } + } + + if (dest != NULL) + *dest = '\0'; + return done; +} diff --git a/string/swab.c b/string/swab.c new file mode 100644 index 0000000000..350d9a3303 --- /dev/null +++ b/string/swab.c @@ -0,0 +1,32 @@ +/* Copyright (C) 1992 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <stddef.h> + +void +DEFUN(swab, (from, to, n), + CONST char *from AND char *to AND size_t n) +{ + while (n > 1) + { + CONST char b0 = from[--n], b1 = from[--n]; + to[n] = b0; + to[n + 1] = b1; + } +} diff --git a/string/test-ffs.c b/string/test-ffs.c new file mode 100644 index 0000000000..bbe62786e0 --- /dev/null +++ b/string/test-ffs.c @@ -0,0 +1,54 @@ +/* Copyright (C) 1994 Free Software Foundation, Inc. + Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil), + On-Line Applications Research Corporation. + +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +int +DEFUN(main, (argc, argv), + int argc AND char **argv) +{ + int failures = 0; + int i; + void try (int value, int expected) + { + if (ffs (value) != expected) + { + fprintf (stderr, "%#x expected %d got %d\n", + value, expected, ffs (value)); + ++failures; + } + } + + try (0, 0); + for (i=0 ; i<32 ; i++) + try (1<<i, i+1); + try (0x80008000, 16); + + if (failures) + printf ("Test FAILED! %d failure%s.\n", failures, &"s"[failures == 1]); + else + puts ("Test succeeded."); + + exit (failures); +} diff --git a/string/testcopy.c b/string/testcopy.c new file mode 100644 index 0000000000..9ec5c7761c --- /dev/null +++ b/string/testcopy.c @@ -0,0 +1,111 @@ +/* Copyright (C) 1990, 1991, 1992 Free Software Foundation, Inc. + Contributed by Torbjorn Granlund (tege@sics.se). + +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <malloc.h> + +int +DEFUN(main, (argc, argv), + int argc AND char **argv) +{ + char *mem, *memp; + char *rand_mem; + char *lo_around, *hi_around; + int size, max_size; + int src_off, dst_off; + int i; + int space_around = 10; + + max_size = 256; + + mem = malloc (max_size + 2 * max_size + 2 * space_around); + rand_mem = malloc (max_size); + lo_around = malloc (space_around); + hi_around = malloc (space_around); + memp = mem + space_around; + + /* Fill RAND_MEM with random bytes, each non-zero. */ + for (i = 0; i < max_size; i++) + { + int x; + do + x = random (); + while (x == 0); + rand_mem[i] = x; + } + + for (size = 0; size < max_size; size++) + { + printf("phase %d\n", size); + for (src_off = 0; src_off <= 16; src_off++) + { + for (dst_off = 0; dst_off <= 16; dst_off++) + { + /* Put zero around the intended destination, to check + that it's not clobbered. */ + for (i = 1; i < space_around; i++) + { + memp[dst_off - i] = 0; + memp[dst_off + size - 1 + i] = 0; + } + + /* Fill the source area with known contents. */ + for (i = 0; i < size; i++) + memp[src_off + i] = rand_mem[i]; + + /* Remember the contents around the destination area. + (It might not be what we wrote some lines above, since + the src area and the dst area overlap.) */ + for (i = 1; i < space_around; i++) + { + lo_around[i] = memp[dst_off - i]; + hi_around[i] = memp[dst_off + size - 1 + i]; + } + + memmove (memp + dst_off, memp + src_off, size); + + /* Check that the destination area has the same + contents we wrote to the source area. */ + for (i = 0; i < size; i++) + { + if (memp[dst_off + i] != rand_mem[i]) + abort (); + } + + /* Check that the area around the destination is not + clobbered. */ + for (i = 1; i < space_around; i++) + { + if (memp[dst_off - i] != lo_around[i]) + abort (); + if (memp[dst_off + size - 1 + i] != hi_around[i]) + abort (); + } + } + } + } + + puts ("Test succeeded."); + + return 0; +} diff --git a/string/tester.c b/string/tester.c new file mode 100644 index 0000000000..74ac34541e --- /dev/null +++ b/string/tester.c @@ -0,0 +1,570 @@ +#include <ansidecl.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <strings.h> +#include <fcntl.h> + +#ifndef HAVE_GNU_LD +#define _sys_nerr sys_nerr +#define _sys_errlist sys_errlist +#endif + +#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. */ +void +DEFUN(check, (thing, number), int thing AND int number) +{ + if (!thing) + { + printf("%s flunked test %d\n", it, number); + ++errors; + } +} + +/* Complain if first two args don't strcmp as equal. */ +void +DEFUN(equal, (a, b, number), CONST char *a AND CONST char *b AND int number) +{ + check(a != NULL && b != NULL && STREQ(a, b), number); +} + +char one[50]; +char two[50]; + +int +DEFUN(main, (argc, argv), int argc AND char **argv) +{ + /* Test strcmp first because we use it to test other things. */ + 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); + + /* Test strcpy next because we need it to set up other tests. */ + 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. */ + + /* strcat. */ + 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); + + /* strncat - 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. */ + + /* strncmp - 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. */ + + /* strncpy - 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? */ + + /* strlen. */ + it = "strlen"; + check(strlen("") == 0, 1); /* Empty. */ + check(strlen("a") == 1, 2); /* Single char. */ + check(strlen("abcd") == 4, 3); /* Multiple chars. */ + + /* strchr. */ + 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. */ + +#if 0 + /* index - just like strchr. */ + 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. */ +#endif + + /* strrchr. */ + 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. */ + +#if 0 + /* rindex - just like strrchr. */ + 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. */ +#endif + + /* strpbrk - somewhat like strchr. */ + 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. */ + check(strpbrk(one, "") == NULL, 11); /* Both strings empty. */ + + /* strstr - somewhat like strchr. */ + 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. */ + + /* strspn. */ + 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. */ + + /* strcspn. */ + 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. */ + + /* strtok - the hard one. */ + 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); + + /* memcmp. */ + 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. */ + + /* memchr. */ + 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, '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. */ + + /* memcpy - need not work for overlap. */ + 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? */ + + /* memmove - must work on overlap. */ + 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. */ + + /* memccpy - 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); + + /* memset. */ + 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. */ + + /* bcopy - 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? */ + + /* bzero. */ + 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. */ + +#if 0 + /* bcmp - somewhat like memcmp. */ + 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. */ +#endif + + { + char text[] = "This,is,a,test"; + char *list = text; + it = "strsep"; + check (!strcmp ("This", strsep (&list, ",")), 1); + check (!strcmp ("is", strsep (&list, ",")), 2); + check (!strcmp ("a", strsep (&list, ",")), 3); + check (!strcmp ("test", strsep (&list, ",")), 4); + check (strsep (&list, ",") == NULL, 5); + } + + /* strerror - VERY system-dependent. */ + { + int f; + it = "strerror"; + f = __open("/", O_WRONLY); /* Should always fail. */ + check(f < 0 && errno > 0 && errno < _sys_nerr, 1); + equal(strerror(errno), _sys_errlist[errno], 2); + } + + { + int status; + if (errors == 0) + { + status = EXIT_SUCCESS; + puts("No errors."); + } + else + { + status = EXIT_FAILURE; + printf("%Z errors.\n", errors); + } + exit(status); + } +} |