diff options
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | posix/bits/posix2_lim.h | 7 | ||||
| -rw-r--r-- | posix/regex.c | 15 | ||||
| -rw-r--r-- | posix/regex.h | 10 | ||||
| -rw-r--r-- | sysdeps/posix/sysconf.c | 4 |
5 files changed, 31 insertions, 15 deletions
@@ -1,3 +1,13 @@ +2000-01-18 Ulrich Drepper <drepper@cygnus.com> + + * posix/regex.h (RE_SYNTAX_POSIX_EXTENDED): Add RE_CONTEXT_INVALID_OPS. + * posix/regex.c (regex_compile): Return appropriate errors for + unterminated brace expressions. Detect invalid characters + in brace expressions. + * posix/bits/posix2_lim.h: Define RE_DUP_MAX correctly. + * sysdeps/posix/sysconf.c: Include regex.h. + Reported by Geoff Clare <gwc@unisoft.com> (PR libc/1522). + 2000-01-17 Ulrich Drepper <drepper@cygnus.com> * sysdeps/posix/getaddrinfo.c (gaih_local): If name is given and diff --git a/posix/bits/posix2_lim.h b/posix/bits/posix2_lim.h index a9d067e4de..927c017a2a 100644 --- a/posix/bits/posix2_lim.h +++ b/posix/bits/posix2_lim.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1996, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1996, 1999, 2000 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 @@ -85,12 +85,11 @@ #ifndef LINE_MAX #define LINE_MAX _POSIX2_LINE_MAX #endif -#ifndef RE_DUP_MAX -#define RE_DUP_MAX _POSIX2_RE_DUP_MAX -#endif #ifndef CHARCLASS_NAME_MAX #define CHARCLASS_NAME_MAX _POSIX2_CHARCLASS_NAME_MAX #endif +/* This value is defined like this in regex.h. */ +#define RE_DUP_MAX (0x7fff) #endif /* bits/posix2_lim.h */ diff --git a/posix/regex.c b/posix/regex.c index d036a7dd3a..6dd3d2a96f 100644 --- a/posix/regex.c +++ b/posix/regex.c @@ -2,7 +2,7 @@ version 0.12. (Implements POSIX draft P1003.2/D11.2, except for some of the internationalization features.) - Copyright (C) 1993, 94, 95, 96, 97, 98, 99 Free Software Foundation, Inc. + Copyright (C) 1993-1999, 2000 Free Software Foundation, Inc. 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 @@ -2910,7 +2910,7 @@ regex_compile (pattern, size, syntax, bufp) if (p == pend) { - if (syntax & RE_NO_BK_BRACES) + if (!(syntax & RE_INTERVALS) && (syntax & RE_NO_BK_BRACES)) goto unfetch_interval; else FREE_STACK_RETURN (REG_EBRACE); @@ -2921,7 +2921,12 @@ regex_compile (pattern, size, syntax, bufp) if (c == ',') { GET_UNSIGNED_NUMBER (upper_bound); - if (upper_bound < 0) upper_bound = RE_DUP_MAX; + if ((!(syntax & RE_NO_BK_BRACES) && c != '\\') + || ((syntax & RE_NO_BK_BRACES) && c != '}')) + FREE_STACK_RETURN (REG_BADBR); + + if (upper_bound < 0) + upper_bound = RE_DUP_MAX; } else /* Interval such as `{1}' => match exactly once. */ @@ -2930,7 +2935,7 @@ regex_compile (pattern, size, syntax, bufp) if (lower_bound < 0 || upper_bound > RE_DUP_MAX || lower_bound > upper_bound) { - if (syntax & RE_NO_BK_BRACES) + if (!(syntax & RE_INTERVALS) && (syntax & RE_NO_BK_BRACES)) goto unfetch_interval; else FREE_STACK_RETURN (REG_BADBR); @@ -2945,7 +2950,7 @@ regex_compile (pattern, size, syntax, bufp) if (c != '}') { - if (syntax & RE_NO_BK_BRACES) + if (!(syntax & RE_INTERVALS) && (syntax & RE_NO_BK_BRACES)) goto unfetch_interval; else FREE_STACK_RETURN (REG_BADBR); diff --git a/posix/regex.h b/posix/regex.h index d88ab92bd4..f8a123054b 100644 --- a/posix/regex.h +++ b/posix/regex.h @@ -1,6 +1,6 @@ /* Definitions for data structures and routines for the regular expression library, version 0.12. - Copyright (C) 1985,89,90,91,92,93,95,96,97,98 Free Software Foundation, Inc. + Copyright (C) 1985,1989-1993,1995-1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Its master source is NOT part of the C library, however. The master source lives in /gd/gnu/lib. @@ -221,10 +221,10 @@ extern reg_syntax_t re_syntax_options; (_RE_SYNTAX_POSIX_COMMON | RE_LIMITED_OPS) #define RE_SYNTAX_POSIX_EXTENDED \ - (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS \ - | RE_CONTEXT_INDEP_OPS | RE_NO_BK_BRACES \ - | RE_NO_BK_PARENS | RE_NO_BK_VBAR \ - | RE_UNMATCHED_RIGHT_PAREN_ORD) + (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS \ + | RE_CONTEXT_INDEP_OPS | RE_NO_BK_BRACES \ + | RE_NO_BK_PARENS | RE_NO_BK_VBAR \ + | RE_CONTEXT_INVALID_OPS | RE_UNMATCHED_RIGHT_PAREN_ORD) /* Differs from ..._POSIX_EXTENDED in that RE_CONTEXT_INVALID_OPS replaces RE_CONTEXT_INDEP_OPS and RE_NO_BK_REFS is added. */ diff --git a/sysdeps/posix/sysconf.c b/sysdeps/posix/sysconf.c index e30723f177..e3177d0155 100644 --- a/sysdeps/posix/sysconf.c +++ b/sysdeps/posix/sysconf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 93, 95, 96, 97, 99 Free Software Foundation, Inc. +/* Copyright (C) 1991, 93, 95, 96, 97, 99, 2000 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 @@ -25,6 +25,8 @@ #include <time.h> #include <unistd.h> #include <sys/sysinfo.h> +#include <sys/types.h> +#include <regex.h> /* Get the value of the system variable NAME. */ |