|
|
/* Install modified versions of certain ANSI-incompatible system header
|
/* Install modified versions of certain ANSI-incompatible system header
|
files which are fixed to work correctly with ANSI C and placed in a
|
files which are fixed to work correctly with ANSI C and placed in a
|
directory that GCC will search.
|
directory that GCC will search.
|
|
|
Copyright (C) 1999, 2000, 2001, 2004, 2009 Free Software Foundation, Inc.
|
Copyright (C) 1999, 2000, 2001, 2004, 2009 Free Software Foundation, Inc.
|
|
|
This file is part of GCC.
|
This file is part of GCC.
|
|
|
GCC is free software; you can redistribute it and/or modify
|
GCC is free software; you can redistribute it and/or modify
|
it under the terms of the GNU General Public License as published by
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3, or (at your option)
|
the Free Software Foundation; either version 3, or (at your option)
|
any later version.
|
any later version.
|
|
|
GCC is distributed in the hope that it will be useful,
|
GCC is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with GCC; see the file COPYING3. If not see
|
along with GCC; see the file COPYING3. If not see
|
<http://www.gnu.org/licenses/>. */
|
<http://www.gnu.org/licenses/>. */
|
|
|
#include "fixlib.h"
|
#include "fixlib.h"
|
|
|
/* * * * * * * * * * * * *
|
/* * * * * * * * * * * * *
|
|
|
load_file_data loads all the contents of a file into malloc-ed memory.
|
load_file_data loads all the contents of a file into malloc-ed memory.
|
Its argument is the file pointer of the file to read in; the returned
|
Its argument is the file pointer of the file to read in; the returned
|
result is the NUL terminated contents of the file. The file
|
result is the NUL terminated contents of the file. The file
|
is presumed to be an ASCII text file containing no NULs. */
|
is presumed to be an ASCII text file containing no NULs. */
|
|
|
char *
|
char *
|
load_file_data (FILE* fp)
|
load_file_data (FILE* fp)
|
{
|
{
|
char *pz_data = (char*)NULL;
|
char *pz_data = (char*)NULL;
|
int space_left = -1; /* allow for terminating NUL */
|
int space_left = -1; /* allow for terminating NUL */
|
size_t space_used = 0;
|
size_t space_used = 0;
|
|
|
if (fp == (FILE*)NULL)
|
if (fp == (FILE*)NULL)
|
return pz_data;
|
return pz_data;
|
|
|
do
|
do
|
{
|
{
|
size_t size_read;
|
size_t size_read;
|
|
|
if (space_left < 1024)
|
if (space_left < 1024)
|
{
|
{
|
space_left += 4096;
|
space_left += 4096;
|
pz_data = XRESIZEVEC (char, pz_data, space_left + space_used + 1 );
|
pz_data = XRESIZEVEC (char, pz_data, space_left + space_used + 1 );
|
}
|
}
|
size_read = fread (pz_data + space_used, 1, space_left, fp);
|
size_read = fread (pz_data + space_used, 1, space_left, fp);
|
|
|
if (size_read == 0)
|
if (size_read == 0)
|
{
|
{
|
if (feof (fp))
|
if (feof (fp))
|
break;
|
break;
|
|
|
if (ferror (fp))
|
if (ferror (fp))
|
{
|
{
|
int err = errno;
|
int err = errno;
|
if (err != EISDIR)
|
if (err != EISDIR)
|
fprintf (stderr, "error %d (%s) reading input\n", err,
|
fprintf (stderr, "error %d (%s) reading input\n", err,
|
xstrerror (err));
|
xstrerror (err));
|
free ((void *) pz_data);
|
free ((void *) pz_data);
|
return (char *) NULL;
|
return (char *) NULL;
|
}
|
}
|
}
|
}
|
|
|
space_left -= size_read;
|
space_left -= size_read;
|
space_used += size_read;
|
space_used += size_read;
|
} while (! feof (fp));
|
} while (! feof (fp));
|
|
|
pz_data = XRESIZEVEC (char, pz_data, space_used+1 );
|
pz_data = XRESIZEVEC (char, pz_data, space_used+1 );
|
pz_data[ space_used ] = NUL;
|
pz_data[ space_used ] = NUL;
|
|
|
return pz_data;
|
return pz_data;
|
}
|
}
|
|
|
#ifdef IS_CXX_HEADER_NEEDED
|
#ifdef IS_CXX_HEADER_NEEDED
|
t_bool
|
t_bool
|
is_cxx_header (tCC* fname, tCC* text)
|
is_cxx_header (tCC* fname, tCC* text)
|
{
|
{
|
/* First, check to see if the file is in a C++ directory */
|
/* First, check to see if the file is in a C++ directory */
|
for (;;)
|
for (;;)
|
{
|
{
|
switch (*(fname++))
|
switch (*(fname++))
|
{
|
{
|
case 'C': /* check for "CC/" */
|
case 'C': /* check for "CC/" */
|
if ((fname[0] == 'C') && (fname[1] == '/'))
|
if ((fname[0] == 'C') && (fname[1] == '/'))
|
return BOOL_TRUE;
|
return BOOL_TRUE;
|
break;
|
break;
|
|
|
case 'x': /* check for "xx/" */
|
case 'x': /* check for "xx/" */
|
if ((fname[0] == 'x') && (fname[1] == '/'))
|
if ((fname[0] == 'x') && (fname[1] == '/'))
|
return BOOL_TRUE;
|
return BOOL_TRUE;
|
break;
|
break;
|
|
|
case '+': /* check for "++" */
|
case '+': /* check for "++" */
|
if (fname[0] == '+')
|
if (fname[0] == '+')
|
return BOOL_TRUE;
|
return BOOL_TRUE;
|
break;
|
break;
|
|
|
case NUL:
|
case NUL:
|
goto not_cxx_name;
|
goto not_cxx_name;
|
}
|
}
|
} not_cxx_name:;
|
} not_cxx_name:;
|
|
|
/* Or it might contain one of several phrases which indicate C++ code.
|
/* Or it might contain one of several phrases which indicate C++ code.
|
Currently recognized are:
|
Currently recognized are:
|
extern "C++"
|
extern "C++"
|
-*- (Mode: )? C++ -*- (emacs mode marker)
|
-*- (Mode: )? C++ -*- (emacs mode marker)
|
template <
|
template <
|
*/
|
*/
|
{
|
{
|
tSCC cxxpat[] = "\
|
tSCC cxxpat[] = "\
|
extern[ \t]*\"C\\+\\+\"|\
|
extern[ \t]*\"C\\+\\+\"|\
|
-\\*-[ \t]*([mM]ode:[ \t]*)?[cC]\\+\\+[; \t]*-\\*-|\
|
-\\*-[ \t]*([mM]ode:[ \t]*)?[cC]\\+\\+[; \t]*-\\*-|\
|
template[ \t]*<|\
|
template[ \t]*<|\
|
^[ \t]*class[ \t]|\
|
^[ \t]*class[ \t]|\
|
(public|private|protected):|\
|
(public|private|protected):|\
|
^[ \t]*#[ \t]*pragma[ \t]+(interface|implementation)\
|
^[ \t]*#[ \t]*pragma[ \t]+(interface|implementation)\
|
";
|
";
|
static regex_t cxxre;
|
static regex_t cxxre;
|
static int compiled;
|
static int compiled;
|
|
|
if (!compiled)
|
if (!compiled)
|
compile_re (cxxpat, &cxxre, 0, "contents check", "is_cxx_header");
|
compile_re (cxxpat, &cxxre, 0, "contents check", "is_cxx_header");
|
|
|
if (xregexec (&cxxre, text, 0, 0, 0) == 0)
|
if (xregexec (&cxxre, text, 0, 0, 0) == 0)
|
return BOOL_TRUE;
|
return BOOL_TRUE;
|
}
|
}
|
|
|
return BOOL_FALSE;
|
return BOOL_FALSE;
|
}
|
}
|
#endif /* CXX_TYPE_NEEDED */
|
#endif /* CXX_TYPE_NEEDED */
|
|
|
#ifdef SKIP_QUOTE_NEEDED
|
#ifdef SKIP_QUOTE_NEEDED
|
/*
|
/*
|
* Skip over a quoted string. Single quote strings may
|
* Skip over a quoted string. Single quote strings may
|
* contain multiple characters if the first character is
|
* contain multiple characters if the first character is
|
* a backslash. Especially a backslash followed by octal digits.
|
* a backslash. Especially a backslash followed by octal digits.
|
* We are not doing a correctness syntax check here.
|
* We are not doing a correctness syntax check here.
|
*/
|
*/
|
tCC*
|
tCC*
|
skip_quote(char q, char* text )
|
skip_quote(char q, char* text )
|
{
|
{
|
for (;;)
|
for (;;)
|
{
|
{
|
char ch = *(text++);
|
char ch = *(text++);
|
switch (ch)
|
switch (ch)
|
{
|
{
|
case '\\':
|
case '\\':
|
text++; /* skip over whatever character follows */
|
text++; /* skip over whatever character follows */
|
break;
|
break;
|
|
|
case '"':
|
case '"':
|
case '\'':
|
case '\'':
|
if (ch != q)
|
if (ch != q)
|
break;
|
break;
|
/*FALLTHROUGH*/
|
/*FALLTHROUGH*/
|
|
|
case '\n':
|
case '\n':
|
case NUL:
|
case NUL:
|
goto skip_done;
|
goto skip_done;
|
}
|
}
|
} skip_done:;
|
} skip_done:;
|
|
|
return text;
|
return text;
|
}
|
}
|
#endif /* SKIP_QUOTE_NEEDED */
|
#endif /* SKIP_QUOTE_NEEDED */
|
|
|
/* * * * * * * * * * * * *
|
/* * * * * * * * * * * * *
|
|
|
Compile one regular expression pattern for later use. PAT contains
|
Compile one regular expression pattern for later use. PAT contains
|
the pattern, RE points to a regex_t structure (which should have
|
the pattern, RE points to a regex_t structure (which should have
|
been bzeroed). MATCH is 1 if we need to know where the regex
|
been bzeroed). MATCH is 1 if we need to know where the regex
|
matched, 0 if not. If xregcomp fails, prints an error message and
|
matched, 0 if not. If xregcomp fails, prints an error message and
|
aborts; E1 and E2 are strings to shove into the error message.
|
aborts; E1 and E2 are strings to shove into the error message.
|
|
|
The patterns we search for are all egrep patterns.
|
The patterns we search for are all egrep patterns.
|
REG_EXTENDED|REG_NEWLINE produces identical regex syntax/semantics
|
REG_EXTENDED|REG_NEWLINE produces identical regex syntax/semantics
|
to egrep (verified from 4.4BSD Programmer's Reference Manual). */
|
to egrep (verified from 4.4BSD Programmer's Reference Manual). */
|
void
|
void
|
compile_re( tCC* pat, regex_t* re, int match, tCC* e1, tCC* e2 )
|
compile_re( tCC* pat, regex_t* re, int match, tCC* e1, tCC* e2 )
|
{
|
{
|
tSCC z_bad_comp[] = "fixincl ERROR: cannot compile %s regex for %s\n\
|
tSCC z_bad_comp[] = "fixincl ERROR: cannot compile %s regex for %s\n\
|
\texpr = `%s'\n\terror %s\n";
|
\texpr = `%s'\n\terror %s\n";
|
int flags, err;
|
int flags, err;
|
|
|
flags = (match ? REG_EXTENDED|REG_NEWLINE
|
flags = (match ? REG_EXTENDED|REG_NEWLINE
|
: REG_EXTENDED|REG_NEWLINE|REG_NOSUB);
|
: REG_EXTENDED|REG_NEWLINE|REG_NOSUB);
|
err = xregcomp (re, pat, flags);
|
err = xregcomp (re, pat, flags);
|
|
|
if (err)
|
if (err)
|
{
|
{
|
char rerrbuf[1024];
|
char rerrbuf[1024];
|
regerror (err, re, rerrbuf, 1024);
|
regerror (err, re, rerrbuf, 1024);
|
fprintf (stderr, z_bad_comp, e1, e2, pat, rerrbuf);
|
fprintf (stderr, z_bad_comp, e1, e2, pat, rerrbuf);
|
exit (EXIT_FAILURE);
|
exit (EXIT_FAILURE);
|
}
|
}
|
}
|
}
|
|
|
/* * * * * * * * * * * * *
|
/* * * * * * * * * * * * *
|
|
|
Helper routine and data for the machine_name test and fix. */
|
Helper routine and data for the machine_name test and fix. */
|
|
|
tSCC mn_label_pat[] = "^[ \t]*#[ \t]*(if|ifdef|ifndef)[ \t]+";
|
tSCC mn_label_pat[] = "^[ \t]*#[ \t]*(if|ifdef|ifndef)[ \t]+";
|
static regex_t mn_label_re;
|
static regex_t mn_label_re;
|
static regex_t mn_name_re;
|
static regex_t mn_name_re;
|
|
|
static int mn_compiled = 0;
|
static int mn_compiled = 0;
|
|
|
t_bool
|
t_bool
|
mn_get_regexps(regex_t** label_re, regex_t** name_re, tCC* who )
|
mn_get_regexps(regex_t** label_re, regex_t** name_re, tCC* who )
|
{
|
{
|
if (! pz_mn_name_pat)
|
if (! pz_mn_name_pat)
|
return BOOL_FALSE;
|
return BOOL_FALSE;
|
|
|
if (! mn_compiled)
|
if (! mn_compiled)
|
{
|
{
|
compile_re (mn_label_pat, &mn_label_re, 1, "label pattern", who);
|
compile_re (mn_label_pat, &mn_label_re, 1, "label pattern", who);
|
compile_re (pz_mn_name_pat, &mn_name_re, 1, "name pattern", who);
|
compile_re (pz_mn_name_pat, &mn_name_re, 1, "name pattern", who);
|
mn_compiled++;
|
mn_compiled++;
|
}
|
}
|
*label_re = &mn_label_re;
|
*label_re = &mn_label_re;
|
*name_re = &mn_name_re;
|
*name_re = &mn_name_re;
|
return BOOL_TRUE;
|
return BOOL_TRUE;
|
}
|
}
|
|
|
|
|
#ifdef SEPARATE_FIX_PROC
|
#ifdef SEPARATE_FIX_PROC
|
|
|
char*
|
char*
|
make_raw_shell_str( char* pz_d, tCC* pz_s, size_t smax )
|
make_raw_shell_str( char* pz_d, tCC* pz_s, size_t smax )
|
{
|
{
|
tSCC zQ[] = "'\\''";
|
tSCC zQ[] = "'\\''";
|
size_t dtaSize;
|
size_t dtaSize;
|
char* pz_d_start = pz_d;
|
char* pz_d_start = pz_d;
|
|
|
smax--; /* adjust for trailing NUL */
|
smax--; /* adjust for trailing NUL */
|
|
|
dtaSize = strlen( pz_s ) + 3;
|
dtaSize = strlen( pz_s ) + 3;
|
|
|
{
|
{
|
const char* pz = pz_s - 1;
|
const char* pz = pz_s - 1;
|
|
|
for (;;) {
|
for (;;) {
|
pz = strchr( pz+1, '\'' );
|
pz = strchr( pz+1, '\'' );
|
if (pz == (char*)NULL)
|
if (pz == (char*)NULL)
|
break;
|
break;
|
dtaSize += sizeof( zQ )-1;
|
dtaSize += sizeof( zQ )-1;
|
}
|
}
|
}
|
}
|
if (dtaSize > smax)
|
if (dtaSize > smax)
|
return (char*)NULL;
|
return (char*)NULL;
|
|
|
*(pz_d++) = '\'';
|
*(pz_d++) = '\'';
|
|
|
for (;;) {
|
for (;;) {
|
if ((size_t) (pz_d - pz_d_start) >= smax)
|
if ((size_t) (pz_d - pz_d_start) >= smax)
|
return (char*)NULL;
|
return (char*)NULL;
|
switch (*(pz_d++) = *(pz_s++)) {
|
switch (*(pz_d++) = *(pz_s++)) {
|
case NUL:
|
case NUL:
|
goto loopDone;
|
goto loopDone;
|
|
|
case '\'':
|
case '\'':
|
if ((size_t) (pz_d - pz_d_start) >= smax - sizeof( zQ )-1)
|
if ((size_t) (pz_d - pz_d_start) >= smax - sizeof( zQ )-1)
|
return (char*)NULL;
|
return (char*)NULL;
|
strcpy( pz_d-1, zQ );
|
strcpy( pz_d-1, zQ );
|
pz_d += sizeof( zQ )-2;
|
pz_d += sizeof( zQ )-2;
|
}
|
}
|
} loopDone:;
|
} loopDone:;
|
pz_d[-1] = '\'';
|
pz_d[-1] = '\'';
|
*pz_d = NUL;
|
*pz_d = NUL;
|
|
|
return pz_d;
|
return pz_d;
|
}
|
}
|
|
|
#endif
|
#endif
|
|
|
