diff options
Diffstat (limited to 'posix')
| -rw-r--r-- | posix/Makefile | 9 | ||||
| -rw-r--r-- | posix/bug-regex2.c | 53 | ||||
| -rw-r--r-- | posix/regex.c | 62 |
3 files changed, 90 insertions, 34 deletions
diff --git a/posix/Makefile b/posix/Makefile index 3b72aa2617..9b2bd10e8e 100644 --- a/posix/Makefile +++ b/posix/Makefile @@ -69,7 +69,7 @@ tests := tstgetopt testfnm runtests runptests \ tst-preadwrite tst-preadwrite64 test-vfork regexbug1 \ tst-getlogin tst-mmap tst-getaddrinfo tst-truncate \ tst-truncate64 tst-fork tst-fnmatch tst-regexloc tst-dir \ - tst-chmod bug-regex1 + tst-chmod bug-regex1 bug-regex2 ifeq (yes,$(build-shared)) test-srcs := globtest tests += wordexp-test tst-exec tst-spawn @@ -137,10 +137,15 @@ endif # Run a test on the header files we use. # XXX Please note that for now we ignore the result of this test. -tests: $(objpfx)annexc.out +tests: $(objpfx)annexc.out $(objpfx)bug-regex2-mem $(objpfx)annexc.out: $(objpfx)annexc -$(dir $<)$(notdir $<) '$(CC)' \ '-I../include -I.. $(+sysdep-includes) $(sysincludes)' > $@ $(objpfx)annexc: annexc.c $(native-compile) + +bug-regex2-ENV = MALLOC_TRACE=$(objpfx)bug-regex2.mtrace + +$(objpfx)bug-regex2-mem: $(objpfx)bug-regex2.out + $(common-objpfx)malloc/mtrace $(objpfx)bug-regex2.mtrace > $@ diff --git a/posix/bug-regex2.c b/posix/bug-regex2.c new file mode 100644 index 0000000000..8b0dca1426 --- /dev/null +++ b/posix/bug-regex2.c @@ -0,0 +1,53 @@ +/* Test for memory handling in regex. + Copyright (C) 2001 Free Software Foundation, Inc. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2001. + + 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. */ + +#include <sys/types.h> +#include <mcheck.h> +#include <regex.h> +#include <stdio.h> +#include <stdlib.h> + + +static const char text[] = "This is a test; this is a test"; + +int +main (void) +{ + regex_t re; + regmatch_t rm[2]; + int n; + + mtrace (); + + n = regcomp (&re, "a test", REG_EXTENDED); + if (n != 0) + { + char buf[500]; + regerror (n, &re, buf, sizeof (buf)); + printf ("regcomp failed: %s\n", buf); + exit (1); + } + + for (n = 0; n < 20; ++n) + regexec (&re, text, 2, rm, 0); + + regfree (&re); + + return 0; +} diff --git a/posix/regex.c b/posix/regex.c index 63f072afac..2b1a62b799 100644 --- a/posix/regex.c +++ b/posix/regex.c @@ -1174,7 +1174,7 @@ printchar (c) static size_t convert_mbs_to_wcs (CHAR_TYPE *dest, const unsigned char* src, size_t len, int *offset_buffer, - int *is_binary); + char *is_binary); static size_t convert_mbs_to_wcs (dest, src, len, offset_buffer, is_binary) CHAR_TYPE *dest; @@ -1191,7 +1191,7 @@ convert_mbs_to_wcs (dest, src, len, offset_buffer, is_binary) = {0, 3, 4, 6} */ int *offset_buffer; - int *is_binary; + char *is_binary; { wchar_t *pdest = dest; const unsigned char *psrc = src; @@ -2283,9 +2283,9 @@ regex_compile (pattern, size, syntax, bufp) /* offset buffer for optimizatoin. See convert_mbs_to_wc. */ int *mbs_offset = NULL; /* It hold whether each wchar_t is binary data or not. */ - int *is_binary = NULL; + char *is_binary = NULL; /* A flag whether exactn is handling binary data or not. */ - int is_exactn_bin = FALSE; + char is_exactn_bin = FALSE; #endif /* MBS_SUPPORT */ /* A random temporary spot in PATTERN. */ @@ -2345,7 +2345,7 @@ regex_compile (pattern, size, syntax, bufp) /* Initialize the wchar_t PATTERN and offset_buffer. */ p = pend = pattern = TALLOC(csize, CHAR_TYPE); mbs_offset = TALLOC(csize + 1, int); - is_binary = TALLOC(csize + 1, int); + is_binary = TALLOC(csize + 1, char); if (pattern == NULL || mbs_offset == NULL || is_binary == NULL) { if (pattern) free(pattern); @@ -5194,8 +5194,6 @@ weak_alias (__re_search_2, re_search_2) FREE_VAR (string2); \ FREE_VAR (mbs_offset1); \ FREE_VAR (mbs_offset2); \ - FREE_VAR (is_binary1); \ - FREE_VAR (is_binary2); \ } while (0) # else /* not MBS_SUPPORT */ # define FREE_VARIABLES() \ @@ -5213,17 +5211,16 @@ weak_alias (__re_search_2, re_search_2) } while (0) # endif /* MBS_SUPPORT */ #else +# define FREE_VAR(var) if (var) free (var); var = NULL # ifdef MBS_SUPPORT # define FREE_VARIABLES() \ do { \ - if (string1) free (string1); \ - if (string2) free (string2); \ - if (mbs_offset1) free (mbs_offset1); \ - if (mbs_offset2) free (mbs_offset2); \ - if (is_binary1) free (is_binary1); \ - if (is_binary2) free (is_binary2); \ + FREE_VAR (string1); \ + FREE_VAR (string2); \ + FREE_VAR (mbs_offset1); \ + FREE_VAR (mbs_offset2); \ } while (0) -# eles +# else # define FREE_VARIABLES() ((void)0) /* Do nothing! But inhibit gcc warning. */ # endif /* MBS_SUPPORT */ #endif /* not MATCH_MAY_ALLOCATE */ @@ -5373,7 +5370,7 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop) /* offset buffer for optimizatoin. See convert_mbs_to_wc. */ int *mbs_offset1 = NULL, *mbs_offset2 = NULL; /* They hold whether each wchar_t is binary data or not. */ - int *is_binary1 = NULL, *is_binary2 = NULL; + char *is_binary = NULL; #endif /* MBS_SUPPORT */ /* Just past the end of the corresponding string. */ @@ -5552,38 +5549,39 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop) fill them with converted string. */ if (csize1 != 0) { - string1 = TALLOC (csize1 + 1, CHAR_TYPE); - mbs_offset1 = TALLOC (csize1 + 1, int); - is_binary1 = TALLOC (csize1 + 1, int); - if (!string1 || !mbs_offset1 || !is_binary1) + string1 = REGEX_TALLOC (csize1 + 1, CHAR_TYPE); + mbs_offset1 = REGEX_TALLOC (csize1 + 1, int); + is_binary = REGEX_TALLOC (csize1 + 1, char); + if (!string1 || !mbs_offset1 || !is_binary) { - if (string1) free(string1); - if (mbs_offset1) free(mbs_offset1); - if (is_binary1) free(is_binary1); + FREE_VAR (string1); + FREE_VAR (mbs_offset1); + FREE_VAR (is_binary); return -2; } size1 = convert_mbs_to_wcs(string1, cstring1, csize1, - mbs_offset1, is_binary1); + mbs_offset1, is_binary); string1[size1] = L'\0'; /* for a sentinel */ + FREE_VAR (is_binary); } if (csize2 != 0) { string2 = REGEX_TALLOC (csize2 + 1, CHAR_TYPE); mbs_offset2 = REGEX_TALLOC (csize2 + 1, int); - is_binary2 = TALLOC (csize2 + 1, int); - if (!string2 || !mbs_offset2 || !is_binary2) + is_binary = REGEX_TALLOC (csize2 + 1, char); + if (!string2 || !mbs_offset2 || !is_binary) { - if (string1) free(string1); - if (mbs_offset1) free(mbs_offset1); - if (is_binary1) free(is_binary1); - if (string2) free(string2); - if (mbs_offset2) free(mbs_offset2); - if (is_binary2) free(is_binary2); + FREE_VAR (string1); + FREE_VAR (mbs_offset1); + FREE_VAR (string2); + FREE_VAR (mbs_offset2); + FREE_VAR (is_binary); return -2; } size2 = convert_mbs_to_wcs(string2, cstring2, csize2, - mbs_offset2, is_binary2); + mbs_offset2, is_binary); string2[size2] = L'\0'; /* for a sentinel */ + FREE_VAR (is_binary); } /* We need to cast pattern to (wchar_t*), because we casted this compiled |