diff options
author | Ulrich Drepper <drepper@redhat.com> | 1997-02-25 05:18:05 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1997-02-25 05:18:05 +0000 |
commit | 2f6d1f1be920d156768f7fa17957c782c770ed36 (patch) | |
tree | fee2ef40d1d316cb4bf63f07788b26d47009c646 /isomac.c | |
parent | 6bac11d99322f3cdf751b43dc3b3456039fab26c (diff) | |
download | glibc-2f6d1f1be920d156768f7fa17957c782c770ed36.zip glibc-2f6d1f1be920d156768f7fa17957c782c770ed36.tar.gz glibc-2f6d1f1be920d156768f7fa17957c782c770ed36.tar.bz2 |
update from main archive 970225cvs/libc-970225
1997-02-24 23:05 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
* malloc/malloc.c (malloc_get_state): New function.
Saves global malloc state to an opaque data structure which
is dynamically allocated in the heap.
* malloc/malloc.c (malloc_set_state): New function.
Restore previously obtained state.
* malloc/malloc.h: Add declaration of malloc_get_state()
and malloc_set_state().
1997-02-24 23:27 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/libm-ieee754/s_cbrtl.c: Shift B1_EXP value to right
position.
1997-02-24 17:38 Ulrich Drepper <drepper@cygnus.com>
* misc/error.c: Make error and error_at_line weak aliases of
__error and __error_at_line respectively.
Suggested by David Mosberger-Tang <davidm@AZStarNet.COM>.
* sysdeps/unix/sysv/linux/i386/socket.S: Update copyright.
1997-02-22 11:30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* elf/ldd.bash.in: Run the program directly, not as argument
to the dynamic linker, if it contains an interpreter segment.
* elf/ldd.sh.in: Likewise.
* elf/rtld.c (dl_main): In verify mode check whether the dynamic
object contains an interpreter segment and exit with 2 if not.
1997-02-23 01:23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makefile (distribute): Remove nsswitch.h, netgroup.h, mcheck.h
and xlocale.h. Make-dist adds them automagically.
1997-02-22 12:25 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* locale/C-time.c (_nl_C_LC_TIME): Add missing entry for
time-era-num-entries.
1997-02-06 13:49 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* rellns-sh: No need to check for existance of first parameter.
1997-02-24 15:20 Jonathan T. Agnew <jtagnew@amherst.edu>
* glibcbug.in: Don't mention destination on MAIL_AGENT command line
to avoid duplicate mail.
1997-02-24 03:51 Ulrich Drepper <drepper@cygnus.com>
* Makefile (distribute): Add isomac.c.
(tests): Run isomac test.
* features.h (__USE_ISOC9X): New macro.
* catgets/catgets.c: Don't use global variable `optind'. Instead
use result computed by argp_parse.
* db/makedb: Likewise.
* locale/programs/locale.c: Likewise.
* locale/programs/localedef.c: Likewise.
* libio/stdio.h: Rewrite. Make it more readable and add comments.
* libio/clearerr.c: Remove clearerr_locked alias.
* libio/feof.c: Remove feof_locked alias.
* libio/ferror.c: Remove feof_locked alias.
* libio/fileno.c: Remove fileno_locked alias.
* libio/fputc.c: Remove fputc_locked alias.
* libio/getc.c: Remove getc_locked alias.
* libio/getchar.c: Remove getchar_locked alias.
* libio/iofflush.c: Remove fflush_locked alias.
* libio/putc.c: Remove putc_locked alias.
* libio/putc.c: Remove putchar_locked alias.
* stdio-common/printf_fp.c: When number is inifinity print INF
or inf depending on case of specifier. Same for NaN where NAN
or nan is printed. Specified in ISO C 9X.
* misc/sys/cdefs.h (__restrict): Define to empty string for now.
* stdio/stdio.h: Add __restrict to prototypes where necessary.
* libio/stdio.h: Likewise.
* stdlib/stdlib.h: Likewise.
* string/string.h: Likewise.
* time/time.h: Likewise.
* wcsmbs/wchar.h: Likewise.
* stdlib/strtod.c: Change to recognize INF, INFINITY, NAN, and
NAN(...).
* sysdeps/ieee754/huge_val.h: Define HUGE_VALF and HUGE_VALL instead
of HUGE_VALf and HUGE_VALL.
* stdlib/strtof.c (FLOAT_HUGE_VAL): Use standard name HUGE_VALF
instead of HUGE_VALf.
* wcsmbs/wcstof.c: Likewise.
* stdlib/strtold.c (FLOAT_HUGE_VAL): Use standard name HUGE_VALL
instead of HUGE_VALl.
* wcsmbs/wcstold.c: Likewise.
* sysdeps/posix/gai_strerror.c: Use size_t for counter variable to
avoid warning.
* wcsmbs/Makefile (routines): Add wcscasecmp and wcsncase.
* wcsmbs/wchar.h: Add prototypes for wcscasecmp and wcsncase.
* wcsmbs/wcscasecmp.c: New file.
* wcsmbs/wcsncase.c: New file.
* stdlib/strtol.c: Define wide character quad word functions as
wcstoll and wcstoull and normal versions as strtoll and strtoull.
* wcsmbs/wchar.h: Add prototypes for wcstoll and wcstoull.
* wcsmbs/wcstoq: Renamed to wcstoll.c.
* wcsmbs/wcstouq: Renamed to wcstoull.c.
* wcsmbs/wcstoll.c: Renamed from wcstoq.c. Make wcstoq a weak
alias of wcstoll.
* wcsmbs/wcstoull.c: Renamed from wcstouq.c. Make wcstouq a weak
alias of wcstoull.
* wcsmbs/Makefile (routines): Replace wcstoq and wcstouq by
wcstoll and wcstoull respectively.
* stdlib/strtoq.c: Rename to strtoll.c.
* stdlib/strtouq.c: Rename to strtoull.c.
* stdlib/strtoll.c: Renamed from strtoq.c. Make strtoq a weak
alias of strtoll.
* stdlib/strtoll.c: Renamed from strtouq.c. Make strtouq a weak
alias of strtoull.
* stdlib/Makefile (routines): Replace strtoq and strtouq by
strtoll and strtoull respectively.
* stdio-common/vfscanf.c: Don't use __strtoq_internal and
__strtouq_internal but instead __strtoll_internal and
__strtoull_internal respectively.
* stdlib/stdlib.h (strtoq): Use __internal_strtoll in inline version.
(strtouq): Similar with __internal_strtoull.
* wcsmbs/wchar.h (wcstoq): Use __internal_wcstoll in inline version.
(wcstouq): Similar with __internal_wcstoull.
1997-02-23 04:38 Ulrich Drepper <drepper@cygnus.com>
* stdlib/strtol.c (STRTOL): It is not illegal to parse a minus
sign in the strtouXX functions. The results gets simply negated.
* stdio-common/tstscanf.c: Add testcase for above case.
* stdlib/tst-strtol.c: Correct tests.
* manual/stdio-fp.c: New file. Generate output for example program
in stdio.texi.
* stdio-common/Makefile (routines): Add printf_fphex.
* stdio-common/vfprintf.c: Add handling of %a and %A specifier.
* stdio-common/printf_fphex.c: New file. Implement %a and %A
specifier.
1997-02-22 03:01 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/timebits.h (CLK_TCK): Don't defined if
__STRICT_ANSI__.
* math/math.h: Prevent definition of struct exception when using
C++.
1997-02-22 01:45 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/syscalls.list: Dup takes only one argument.
Reported by Greg McGary.
1997-02-21 00:22 Miles Bader <miles@gnu.ai.mit.edu>
1997-02-20 01:28 Miles Bader <miles@gnu.ai.mit.edu>
1997-02-19 13:56 Miles Bader <miles@gnu.ai.mit.edu>
1997-02-18 15:39 Miles Bader <miles@gnu.ai.mit.edu>
1997-02-17 10:58 Miles Bader <miles@gnu.ai.mit.edu>
1997-02-15 10:23 Miles Bader <miles@gnu.ai.mit.edu>
(mutex_lock, mutex_unlock, mutex_trylock): Defined in terms of
__mutex_*.
(mutex_t): Type removed & replaced by new macro.
(tsd_key_t): Typedef to int instead of pthread_key_t.
(tsd_key_create, tsd_setspecific, tsd_getspecific): New macros.
(__pthread_initialize): New macro, work around assumption of pthreads.
* sysdeps/mach/hurd/i386/init-first.c (__libc_argv, __libc_argc):
__hurd_sigthread_stack_end, __hurd_sigthread_stack_variables,
__hurd_threadvar_max, __hurd_threadvar_stack_offset,
__hurd_threadvar_stack_mask): Variables removed.
1997-02-14 14:07 Miles Bader <miles@gnu.ai.mit.edu>
* hurd/hurd.h (_hurd_pids_changed_stamp, _hurd_pids_changed_sync):
1997-02-24 17:06 Geoffrey Keating <geoffk@discus.anu.edu.au>
* sysdeps/unix/sysv/linux/accept.S (NARGS): Describe number of
arguments taken, for sysdeps/unix/sysv/linux/powerpc/socket.S.
* sysdeps/unix/sysv/linux/bind.S: Likewise.
* sysdeps/unix/sysv/linux/connect.S: Likewise.
* sysdeps/unix/sysv/linux/getpeername.S: Likewise.
* sysdeps/unix/sysv/linux/getsockname.S: Likewise.
* sysdeps/unix/sysv/linux/getsockopt.S: Likewise.
* sysdeps/unix/sysv/linux/listen.S: Likewise.
* sysdeps/unix/sysv/linux/recv.S: Likewise.
* sysdeps/unix/sysv/linux/recvfrom.S: Likewise.
* sysdeps/unix/sysv/linux/recvmsg.S: Likewise.
* sysdeps/unix/sysv/linux/send.S: Likewise.
* sysdeps/unix/sysv/linux/sendmsg.S: Likewise.
* sysdeps/unix/sysv/linux/sendto.S: Likewise.
* sysdeps/unix/sysv/linux/setsockopt.S: Likewise.
* sysdeps/unix/sysv/linux/shutdown.S: Likewise.
* sysdeps/unix/sysv/linux/socketpair.S: Likewise.
1997-02-15 04:51 Ulrich Drepper <drepper@cygnus.com>
Diffstat (limited to 'isomac.c')
-rw-r--r-- | isomac.c | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/isomac.c b/isomac.c new file mode 100644 index 0000000..fc6de89 --- /dev/null +++ b/isomac.c @@ -0,0 +1,320 @@ +/* Check system header files for ISO 9899:1990 (ISO C) compliance. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jens Schweikhardt <schweikh@noc.dfn.de>, 1996. + + 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., 59 Temple Place - + Suite 330, Boston, MA 02111-1307, USA. */ + +/* This is a simple minded program that tries to find illegal macro + definitions in system header files. Illegal macro definitions are + those not from the implementation namespace (i.e. not starting with + an underscore) or not matching any identifier mandated by The + Standard. Some common macro names are considered okay, e.g. all those + beginning with E (which may be defined in <errno.h>) or ending in + _MAX. See the arrays prefix[] and suffix[] below for details. + + In a compliant implementation no other macros can be defined, because + you could write strictly conforming programs that may fail to compile + due to syntax errors: suppose <stdio.h> defines PIPE_BUF, then the + conforming + + #include <assert.h> + #include <stdio.h> <- or where the bogus macro is defined + #include <string.h> + #define STR(x) #x + #define XSTR(x) STR(x) + int main (void) + { + int PIPE_BUF = 0; + assert (strcmp ("PIPE_BUF", XSTR (PIPE_BUF)) == 0); + return 0; + } + + is expected to compile and meet the assertion. If it does not, your + compiler compiles some other language than Standard C. + + REQUIREMENTS: + This program calls gcc to get the list of defined macros. If you + don't have gcc you're probably out of luck unless your compiler or + preprocessor has something similar to gcc's -dM option. Tune + PRINT_MACROS in this case. This program assumes headers are found + under /usr/include and that there is a writable /tmp directory. + Tune SYSTEM_INCLUDE and TMPFILE if your system differs. + #define BROKEN_SYSTEM if system(NULL) bombs -- one more violation + of ISO C, by the way. + + OUTPUT: + Each header file name is printed, followed by illegal macro names + and their definition. For the above example, you would see + ... + /usr/include/stdio.h + #define PIPE_BUF 5120 + ... + If your implementation does not yet incorporate Amendment 1 you + will see messages about iso646.h, wctype.h and wchar.h not being + found. */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#define TMPFILE "/tmp/macros" +#define HEADER_MAX 256 + +/* ISO C header names including Amendment 1 (without ".h" suffix). */ +static char *header[] = +{ + "assert", "ctype", "errno", "float", "iso646", "limits", "locale", + "math", "setjmp", "signal", "stdarg", "stddef", "stdio", "stdlib", + "string", "time", "wchar", "wctype" +}; + +/* Macros with these prefixes are considered okay. */ +static char *prefix[] = +{ + "_", "E", "is", "str", "mem", "SIG", "FLT_", "DBL_", "LDBL_", + "LC_", "wmem", "wcs" +}; + +/* Macros with these suffixes are considered okay. Will not work for + parametrized macros with arguments. */ +static char *suffix[] = +{ + "_MAX", "_MIN" +}; + +/* These macros are considered okay. In fact, these are just more prefixes. */ +static char *macros[] = +{ + "BUFSIZ", "CHAR_BIT", "CHAR_MAX", "CHAR_MIN", "CLOCKS_PER_SEC", + "DBL_DIG", "DBL_EPSILON", "DBL_MANT_DIG", "DBL_MAX", + "DBL_MAX_10_EXP", "DBL_MAX_EXP", "DBL_MIN", "DBL_MIN_10_EXP", + "DBL_MIN_EXP", "EDOM", "EILSEQ", "EOF", "ERANGE", "EXIT_FAILURE", + "EXIT_SUCCESS", "FILENAME_MAX", "FLT_DIG", "FLT_EPSILON", + "FLT_MANT_DIG", "FLT_MAX", "FLT_MAX_10_EXP", "FLT_MAX_EXP", + "FLT_MIN", "FLT_MIN_10_EXP", "FLT_MIN_EXP", "FLT_RADIX", + "FLT_ROUNDS", "FOPEN_MAX", "HUGE_VAL", "INT_MAX", "INT_MIN", + "LC_ALL", "LC_COLLATE", "LC_CTYPE", "LC_MONETARY", "LC_NUMERIC", + "LC_TIME", "LDBL_DIG", "LDBL_EPSILON", "LDBL_MANT_DIG", "LDBL_MAX", + "LDBL_MAX_10_EXP", "LDBL_MAX_EXP", "LDBL_MIN", "LDBL_MIN_10_EXP", + "LDBL_MIN_EXP", "LONG_MAX", "LONG_MIN", "L_tmpnam", "MB_CUR_MAX", + "MB_LEN_MAX", "NDEBUG", "NULL", "RAND_MAX", "SCHAR_MAX", + "SCHAR_MIN", "SEEK_CUR", "SEEK_END", "SEEK_SET", "SHRT_MAX", + "SHRT_MIN", "SIGABRT", "SIGFPE", "SIGILL", "SIGINT", "SIGSEGV", + "SIGTERM", "SIG_DFL", "SIG_ERR", "SIG_IGN", "TMP_MAX", "UCHAR_MAX", + "UINT_MAX", "ULONG_MAX", "USHRT_MAX", "WCHAR_MAX", "WCHAR_MIN", + "WEOF", "_IOFBF", "_IOLBF", "_IONBF", "abort", "abs", "acos", + "acosf", "acosl", "and", "and_eq", "asctime", "asin", "asinf", + "asinl", "assert", "atan", "atan2", "atan2f", "atan2l", "atanf", + "atanl", "atexit", "atof", "atoi", "atol", "bitand", "bitor", + "bsearch", "btowc", "calloc", "ceil", "ceilf", "ceill", "clearerr", + "clock", "clock_t", "compl", "cos", "cosf", "cosh", "coshf", + "coshl", "cosl", "ctime", "difftime", "div", "div_t", "errno", + "exit", "exp", "expf", "expl", "fabs", "fabsf", "fabsl", "fclose", + "feof", "ferror", "fflush", "fgetc", "fgetpos", "fgets", "fgetwc", + "fgetws", "floor", "floorf", "floorl", "fmod", "fmodf", "fmodl", + "fopen", "fprintf", "fputc", "fputs", "fputwc", "fputws", "fread", + "free", "freopen", "frexp", "frexpf", "frexpl", "fscanf", "fseek", + "fsetpos", "ftell", "fwide", "fwprintf", "fwrite", "fwscanf", + "getc", "getchar", "getenv", "gets", "getwc", "getwchar", "gmtime", + "isalnum", "isalpha", "iscntrl", "isdigit", "isgraph", "islower", + "isprint", "ispunct", "isspace", "isupper", "iswalnum", "iswalpha", + "iswcntrl", "iswctype", "iswdigit", "iswgraph", "iswlower", + "iswprint", "iswpunct", "iswspace", "iswupper", "iswxdigit", + "isxdigit", "labs", "ldexp", "ldexpf", "ldexpl", "ldiv", "ldiv_t", + "localeconv", "localtime", "log", "log10", "log10f", "log10l", + "logf", "logl", "longjmp", "malloc", "mblen", "mbrlen", "mbrtowc", + "mbsinit", "mbsrtowcs", "mbstate_t", "mbstowcs", "mbtowc", "memchr", + "memcmp", "memcpy", "memmove", "memset", "mktime", "modf", "modff", + "modfl", "not", "not_eq", "offsetof", "or", "or_eq", "perror", + "pow", "powf", "powl", "printf", "ptrdiff_t", "putc", "putchar", + "puts", "putwc", "putwchar", "qsort", "raise", "rand", "realloc", + "remove", "rename", "rewind", "scanf", "setbuf", "setjmp", + "setlocale", "setvbuf", "sig_atomic_t", "signal", "sin", "sinf", + "sinh", "sinhf", "sinhl", "sinl", "size_t", "sprintf", "sqrt", + "sqrtf", "sqrtl", "srand", "sscanf", "stderr", "stdin", "stdout", + "strcat", "strchr", "strcmp", "strcoll", "strcpy", "strcspn", + "strerror", "strftime", "strlen", "strncat", "strncmp", "strncpy", + "strpbrk", "strrchr", "strspn", "strstr", "strtod", "strtok", + "strtol", "strtoul", "strxfrm", "swprintf", "swscanf", "system", + "tan", "tanf", "tanh", "tanhf", "tanhl", "tanl", "time", "time_t", + "tmpfile", "tmpnam", "tolower", "toupper", "towctrans", "towlower", + "towupper", "ungetc", "ungetwc", "va_arg", "va_end", "va_start", + "vfprintf", "vfwprintf", "vprintf", "vsprintf", "vswprintf", + "vwprintf", "wchar_t", "wcrtomb", "wcscat", "wcschr", "wcscmp", + "wcscoll", "wcscpy", "wcscspn", "wcsftime", "wcslen", "wcsncat", + "wcsncmp", "wcsncpy", "wcspbrk", "wcsrchr", "wcsrtombs", "wcsspn", + "wcsstr", "wcstod", "wcstok", "wcstol", "wcstombs", "wcstoul", + "wcsxfrm", "wctob", "wctomb", "wctrans", "wctrans_t", "wctype", + "wctype_t", "wint_t", "wmemchr", "wmemcmp", "wmemcpy", "wmemmove", + "wmemset", "wprintf", "wscanf", "xor", "xor_eq" +}; + +#define NUMBER_OF_HEADERS (sizeof header / sizeof *header) +#define NUMBER_OF_PREFIXES (sizeof prefix / sizeof *prefix) +#define NUMBER_OF_SUFFIXES (sizeof suffix / sizeof *suffix) +#define NUMBER_OF_MACROS (sizeof macros / sizeof *macros) + +/* The compiler we use (given on the command line). */ +char *CC; +/* The -I parameters for CC to find all headers. */ +char *INC; + +static int check_header (const char *); + +int +main (int argc, char *argv[]) +{ + int h; + int result = 0; + + CC = argc > 1 ? argv[1] : "gcc"; + INC = argc > 2 ? argv[2] : ""; + + if (system (NULL) == 0) + { + puts ("Sorry, no command processor."); + return EXIT_FAILURE; + } + + for (h = 0; h < NUMBER_OF_HEADERS; ++h) + { + char file_name[HEADER_MAX]; + sprintf (file_name, "%s.h", header[h]); + result |= check_header (file_name); + } + + +#if 0 + /* The test suite should return errors but for now this is not + practical. Give a warning and ask the user to correct the bugs. */ + return result; +#else + if (result) + fputs ("\ +##########################################################################\n\ +# The test suite found some problems with your system (see the generated #\n\ +# isomac.out file). These are all violations of the ISO C rules and #\n\ +# should be corrected. If the problem is in the libc, report it using #\n\ +# the glibcbug script to <bugs@gnu.ai.mit.edu>. If it is a problem with #\n\ +# your compiler, contact the compiler manufacturer. #\n\ +##########################################################################\n", + stderr); + + return 0; +#endif +} + +static int +check_header (const char *file_name) +{ + char line[BUFSIZ], *command; + FILE *input; + int result = 0; + static const char fmt[] = "\ +echo \"#include <%s>\" |\ +%s -E -dM -ansi -pedantic %s -D_LIBC -I. -I `%s --print-prog-name=include` -\ +> %s"; + + command = malloc (sizeof fmt + strlen (file_name) + 2 * strlen (CC) + + strlen (INC) + strlen (TMPFILE)); + + if (command == NULL) + { + puts ("No more memory."); + exit (1); + } + + puts (file_name); + sprintf (command, fmt, file_name, CC, INC, CC, TMPFILE); + + if (system (command)) + { + puts ("system() returned nonzero"); + result = 1; + } + free (command); + input = fopen (TMPFILE, "r"); + + if (input == NULL) + { + printf ("Could not read %s: ", TMPFILE); + perror (NULL); + return 1; + } + + while (fgets (line, sizeof line, input) != NULL) + { + int i, okay = 0; + size_t endmac; + if (strlen (line) < 9 || line[7] != ' ') + { /* "#define A" */ + printf ("Malformed input, expected '#define MACRO'\ngot '%s'\n", + line); + result = 1; + continue; + } + for (i = 0; i < NUMBER_OF_PREFIXES; ++i) + { + if (!strncmp (line+8, prefix[i], strlen (prefix[i]))) { + ++okay; + break; + } + } + if (okay) + continue; + for (i = 0; i < NUMBER_OF_MACROS; ++i) + { + if (!strncmp (line+8, macros[i], strlen (macros[i]))) + { + ++okay; + break; + } + } + if (okay) + continue; + /* Find next char after the macro identifier; this can be either + a space or an open parenthesis. */ + endmac = strcspn (line + 8, " ("); + if (line[8+endmac] == '\0') + { + printf ("malformed input, expected '#define MACRO VALUE'\n" + "got '%s'\n", line); + result = 1; + continue; + } + for (i = 0; i < NUMBER_OF_SUFFIXES; ++i) + { + size_t len = strlen (suffix[i]); + if (!strncmp (line + 8 + endmac - len, suffix[i], len)) + { + ++okay; + break; + } + } + if (!okay) + { + fputs (line, stdout); + result = 2; + } + } + fclose (input); + remove (TMPFILE); + + return result; +} + +/* EOF */ |