diff options
Diffstat (limited to 'libio')
| -rw-r--r-- | libio/Makefile | 12 | ||||
| -rw-r--r-- | libio/filedoalloc.c | 2 | ||||
| -rw-r--r-- | libio/fileops.c | 8 | ||||
| -rw-r--r-- | libio/genops.c | 4 | ||||
| -rw-r--r-- | libio/iolibio.h | 19 | ||||
| -rw-r--r-- | libio/iopopen.c | 2 | ||||
| -rw-r--r-- | libio/iovsprintf.c | 2 | ||||
| -rw-r--r-- | libio/iovsscanf.c | 2 | ||||
| -rw-r--r-- | libio/libio.h | 15 | ||||
| -rw-r--r-- | libio/libioP.h | 185 | ||||
| -rw-r--r-- | libio/memstream.c | 12 | ||||
| -rw-r--r-- | libio/stdio.h | 3 | ||||
| -rw-r--r-- | libio/strfile.h | 20 | ||||
| -rw-r--r-- | libio/vasprintf.c | 12 | ||||
| -rw-r--r-- | libio/vsnprintf.c | 2 |
15 files changed, 231 insertions, 69 deletions
diff --git a/libio/Makefile b/libio/Makefile index 4266ad4e59..53a1d7d843 100644 --- a/libio/Makefile +++ b/libio/Makefile @@ -12,9 +12,9 @@ # 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. +# 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. # # Specific makefile for libio. @@ -26,7 +26,7 @@ headers := stdio.h libio.h _G_config.h routines := \ filedoalloc iofclose iofdopen iofflush iofgetpos iofgets iofopen \ iofopncook iofprintf iofputs iofread iofsetpos ioftell \ - iofwrite iogetdelim iogetline iogets iopadn iopopen ioprims ioputs \ + iofwrite iogetdelim iogetline iogets iopadn iopopen ioputs \ ioseekoff ioseekpos iosetbuffer iosetvbuf iosprintf ioungetc \ iovsprintf iovsscanf \ \ @@ -40,6 +40,8 @@ all: # Make this the default target; it will be defined in Rules. include ../Makeconfig +CPPFLAGS-.o += -DIO_DEBUG + ifneq (,$(filter %REENTRANT, $(defines))) routines += clearerr_u feof_u ferror_u fputc_u getc_u getchar_u \ iofflush_u putc_u putchar_u peekc @@ -48,7 +50,7 @@ CPPFLAGS += -D_IO_MTSAFE_IO endif aux := \ - cleanup fileops genops stdfiles stdio strops + fileops genops stdfiles stdio strops distribute := iolibio.h libioP.h strfile.h Banner diff --git a/libio/filedoalloc.c b/libio/filedoalloc.c index 045bff697d..eee489b825 100644 --- a/libio/filedoalloc.c +++ b/libio/filedoalloc.c @@ -71,12 +71,14 @@ DEFUN(_IO_file_doallocate, (fp), register char *p; struct stat st; +#ifndef _LIBC /* If _IO_cleanup_registration_needed is non-zero, we should call the function it points to. This is to make sure _IO_cleanup gets called on exit. We call it from _IO_file_doallocate, since that is likely to get called by any program that does buffered I/O. */ if (_IO_cleanup_registration_needed) (*_IO_cleanup_registration_needed)(); +#endif if (fp->_fileno < 0 || _IO_SYSSTAT (fp, &st) < 0) { diff --git a/libio/fileops.c b/libio/fileops.c index d3f4831e2d..ce0e2bb524 100644 --- a/libio/fileops.c +++ b/libio/fileops.c @@ -47,7 +47,6 @@ extern int errno; The position in the buffer that corresponds to the position in external file system is normally _IO_read_end, except in putback mode, when it is _IO_save_end. - when it is _IO_save_end. If the field _fb._offset is >= 0, it gives the offset in the file as a whole corresponding to eGptr(). (?) @@ -185,7 +184,7 @@ DEFUN(_IO_file_fopen, (fp, filename, mode), _IO_mask_flags(fp, read_write,_IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING); if (read_write & _IO_IS_APPENDING) if (_IO_SEEKOFF (fp, (_IO_off_t)0, _IO_seek_end, _IOS_INPUT|_IOS_OUTPUT) - == _IO_pos_BAD) + == _IO_pos_BAD && errno != ESPIPE) return NULL; _IO_link_in(fp); return fp; @@ -200,7 +199,12 @@ DEFUN(_IO_file_attach, (fp, fd), fp->_fileno = fd; fp->_flags &= ~(_IO_NO_READS+_IO_NO_WRITES); fp->_flags |= _IO_DELETE_DONT_CLOSE; + /* Get the current position of the file. */ + /* We have to do that since that may be junk. */ fp->_offset = _IO_pos_BAD; + if (_IO_SEEKOFF (fp, (_IO_off_t)0, _IO_seek_cur, _IOS_INPUT|_IOS_OUTPUT) + == _IO_pos_BAD && errno != ESPIPE) + return NULL; return fp; } diff --git a/libio/genops.c b/libio/genops.c index fc4c61d9a4..3a58cd2eaf 100644 --- a/libio/genops.c +++ b/libio/genops.c @@ -861,3 +861,7 @@ __io_defs io_defs__; #ifdef weak_alias weak_alias (_IO_cleanup, _cleanup) #endif + +#ifdef text_set_element +text_set_element(__libc_atexit, _cleanup); +#endif diff --git a/libio/iolibio.h b/libio/iolibio.h index 92df6a6fd2..ca863b51b3 100644 --- a/libio/iolibio.h +++ b/libio/iolibio.h @@ -56,3 +56,22 @@ extern _IO_FILE* _IO_popen __P((const char*, const char*)); #ifdef __cplusplus } #endif + +#define _IO_open __open +#define _IO_close __close +#define _IO_fork __fork +#define _IO_fcntl __fcntl +#define _IO__exit _exit +#define _IO_read __read +#define _IO_write __write +#define _IO_lseek __lseek +#define _IO_getdtablesize __getdtablesize +#define _IO_pipe __pipe +#define _IO_dup2 __dup2 +#define _IO_execl execl +#define _IO_waitpid __waitpid +#define _IO_stat __stat +#define _IO_getpid __getpid +#define _IO_geteuid __geteuid +#define _IO_getegid __getegid +#define _IO_fstat __fstat diff --git a/libio/iopopen.c b/libio/iopopen.c index dc1e74d3eb..5703c99d47 100644 --- a/libio/iopopen.c +++ b/libio/iopopen.c @@ -123,7 +123,7 @@ DEFUN(_IO_proc_open, (fp, command, mode), proc_file_chain = proc_file_chain->next; } - _IO_execl("/bin/sh", "sh", "-c", command, NULL); + _IO_execl("/bin/sh", "sh", "-c", command, (char *) 0); _IO__exit(127); } _IO_close(child_end); diff --git a/libio/iovsprintf.c b/libio/iovsprintf.c index b2e8b67a96..f0c9889724 100644 --- a/libio/iovsprintf.c +++ b/libio/iovsprintf.c @@ -38,7 +38,7 @@ _IO_vsprintf (string, format, args) int ret; #ifdef _IO_MTSAFE_IO - sf._f._lock = &lock; + sf._sbf._f._lock = &lock; #endif _IO_init ((_IO_FILE *) &sf, 0); _IO_JUMPS ((_IO_FILE *) &sf) = &_IO_str_jumps; diff --git a/libio/iovsscanf.c b/libio/iovsscanf.c index 6e7d8c59e2..473b714f21 100644 --- a/libio/iovsscanf.c +++ b/libio/iovsscanf.c @@ -32,7 +32,7 @@ DEFUN(_IO_vsscanf, (string, format, args), _IO_strfile sf; #ifdef _IO_MTSAFE_IO _IO_lock_t lock; - sf._f._lock = &lock; + sf._sbf._f._lock = &lock; #endif _IO_init((_IO_FILE*)&sf, 0); _IO_JUMPS((_IO_FILE*)&sf) = &_IO_str_jumps; diff --git a/libio/libio.h b/libio/libio.h index 7dd47db9fa..acc34c0d7a 100644 --- a/libio/libio.h +++ b/libio/libio.h @@ -52,11 +52,15 @@ the executable file might be covered by the GNU General Public License. */ #endif #ifndef __P +#if _G_HAVE_SYS_CDEFS +#include <sys/cdefs.h> +#else #ifdef __STDC__ #define __P(protos) protos #else #define __P(protos) () #endif +#endif #endif /*!__P*/ /* For backward compatibility */ @@ -79,12 +83,16 @@ the executable file might be covered by the GNU General Public License. */ #define EOF (-1) #endif #ifndef NULL -#if !defined(__cplusplus) || defined(__GNUC__) +#ifdef __GNUG__ +#define NULL (__null) +#else +#if !defined(__cplusplus) #define NULL ((void*)0) #else #define NULL (0) #endif #endif +#endif #define _IOS_INPUT 1 #define _IOS_OUTPUT 2 @@ -183,6 +191,7 @@ struct _IO_FILE { #define _IO_file_flags _flags /* The following pointers correspond to the C++ streambuf protocol. */ + /* Note: Tk uses the _IO_read_ptr and _IO_read_end fields directly. */ char* _IO_read_ptr; /* Current read pointer */ char* _IO_read_end; /* End of get area. */ char* _IO_read_base; /* Start of putback+get area. */ @@ -200,10 +209,6 @@ struct _IO_FILE { struct _IO_FILE *_chain; -#if !_IO_UNIFIED_JUMPTABLES - struct _IO_jump_t *_jumps; /* Jump table */ -#endif - int _fileno; int _blksize; _IO_off_t _offset; diff --git a/libio/libioP.h b/libio/libioP.h index d3c871fbeb..008f9b7edf 100644 --- a/libio/libioP.h +++ b/libio/libioP.h @@ -57,71 +57,180 @@ extern "C" { #define _IO_seek_cur 1 #define _IO_seek_end 2 -typedef int (*_IO_overflow_t) __P((_IO_FILE*, int)); -typedef int (*_IO_underflow_t) __P((_IO_FILE*)); -typedef _IO_size_t (*_IO_xsputn_t) __P((_IO_FILE*,const void*,_IO_size_t)); -typedef _IO_size_t (*_IO_xsgetn_t) __P((_IO_FILE*, void*, _IO_size_t)); -typedef _IO_ssize_t (*_IO_read_t) __P((_IO_FILE*, void*, _IO_ssize_t)); -typedef _IO_ssize_t (*_IO_write_t) __P((_IO_FILE*,const void*,_IO_ssize_t)); -typedef int (*_IO_stat_t) __P((_IO_FILE*, void*)); -typedef _IO_fpos_t (*_IO_seek_t) __P((_IO_FILE*, _IO_off_t, int)); -typedef int (*_IO_doallocate_t) __P((_IO_FILE*)); -typedef int (*_IO_pbackfail_t) __P((_IO_FILE*, int)); -typedef _IO_FILE* (*_IO_setbuf_t) __P((_IO_FILE*, char *, _IO_ssize_t)); -typedef int (*_IO_sync_t) __P((_IO_FILE*)); -typedef void (*_IO_finish_t) __P((_IO_FILE*)); /* finalize */ -typedef int (*_IO_close_t) __P((_IO_FILE*)); /* finalize */ -typedef _IO_fpos_t (*_IO_seekoff_t) __P((_IO_FILE*, _IO_off_t, int, int)); - -/* The _IO_seek_cur and _IO_seek_end options are not allowed. */ -typedef _IO_fpos_t (*_IO_seekpos_t) __P((_IO_FILE*, _IO_fpos_t, int)); +/* THE JUMPTABLE FUNCTIONS. + + * The _IO_FILE type is used to implement the FILE type in GNU libc, + * as well as the streambuf class in GNU iostreams for C++. + * These are all the same, just used differently. + * An _IO_FILE (or FILE) object is allows followed by a pointer to + * a jump table (of pointers to functions). The pointer is accessed + * with the _IO_JUMPS macro. The jump table has a eccentric format, + * so as to be compatible with the layout of a C++ virtual function table. + * (as implemented by g++). When a pointer to a steambuf object is + * coerced to an (_IO_FILE*), then _IO_JUMPS on the result just + * happens to point to the virtual function table of the streambuf. + * Thus the _IO_JUMPS function table used for C stdio/libio does + * double duty as the virtual functiuon table for C++ streambuf. + * + * The entries in the _IO_JUMPS function table (and hence also the + * virtual functions of a streambuf) are described below. + * The first parameter of each function entry is the _IO_FILE/streambuf + * object being acted on (i.e. the 'this' parameter). + */ -#if !_IO_UNIFIED_JUMPTABLES -#define _IO_JUMPS(THIS) (THIS)->_jumps -#else #define _IO_JUMPS(THIS) ((struct _IO_FILE_plus*)(THIS))->vtable -#endif - -#if !_IO_UNIFIED_JUMPTABLES +#ifdef _G_USING_THUNKS #define JUMP_FIELD(TYPE, NAME) TYPE NAME #define JUMP0(FUNC, THIS) _IO_JUMPS(THIS)->FUNC(THIS) #define JUMP1(FUNC, THIS, X1) _IO_JUMPS(THIS)->FUNC(THIS, X1) #define JUMP2(FUNC, THIS, X1, X2) _IO_JUMPS(THIS)->FUNC(THIS, X1, X2) -#define JUMP3(FUNC, THIS, X1, X2, X3) _IO_JUMPS(THIS)->FUNC(THIS, X1, X2, X3) +#define JUMP3(FUNC, THIS, X1,X2,X3) _IO_JUMPS(THIS)->FUNC(THIS, X1,X2, X3) #define JUMP_INIT(NAME, VALUE) VALUE +#define JUMP_INIT_DUMMY JUMP_INIT(dummy, 0), JUMP_INIT(dummy2, 0) #else +/* These macros will change when we re-implement vtables to use "thunks"! */ #define JUMP_FIELD(TYPE, NAME) struct { short delta1, delta2; TYPE pfn; } NAME #define JUMP0(FUNC, THIS) _IO_JUMPS(THIS)->FUNC.pfn(THIS) #define JUMP1(FUNC, THIS, X1) _IO_JUMPS(THIS)->FUNC.pfn(THIS, X1) #define JUMP2(FUNC, THIS, X1, X2) _IO_JUMPS(THIS)->FUNC.pfn(THIS, X1, X2) #define JUMP3(FUNC, THIS, X1,X2,X3) _IO_JUMPS(THIS)->FUNC.pfn(THIS, X1,X2, X3) #define JUMP_INIT(NAME, VALUE) {0, 0, VALUE} -#endif #define JUMP_INIT_DUMMY JUMP_INIT(dummy, 0) +#endif +/* The 'finish' function does any final cleaning up of an _IO_FILE object. + It does not delete (free) it, but does everything else to finalize it/ + It matches the streambuf::~streambuf virtual destructor. */ +typedef void (*_IO_finish_t) __P((_IO_FILE*)); /* finalize */ #define _IO_FINISH(FP) JUMP0(__finish, FP) + +/* The 'overflow' hook flushes the buffer. + The second argument is a character, or EOF. + It matches the streambuf::overflow virtual function. */ +typedef int (*_IO_overflow_t) __P((_IO_FILE*, int)); #define _IO_OVERFLOW(FP, CH) JUMP1(__overflow, FP, CH) + +/* The 'underflow' hook tries to fills the get buffer. + It returns the next character (as an unsigned char) or EOF. The next + character remains in the get buffer, and the get postion is not changed. + It matches the streambuf::underflow virtual function. */ +typedef int (*_IO_underflow_t) __P((_IO_FILE*)); #define _IO_UNDERFLOW(FP) JUMP0(__underflow, FP) + +/* The 'uflow' hook returns the next character in the input stream + (cast to unsigned char), and increments the read position; + EOF is returned on failure. + It matches the streambuf::uflow virtual function, which is not in the + cfront implementation, but was added to C++ by the ANSI/ISO committee. */ #define _IO_UFLOW(FP) JUMP0(__uflow, FP) + +/* The 'pbackfail' hook handles backing up. + It matches the streambuf::pbackfail virtual function. */ +typedef int (*_IO_pbackfail_t) __P((_IO_FILE*, int)); #define _IO_PBACKFAIL(FP, CH) JUMP1(__pbackfail, FP, CH) + +/* The 'xsputn' hook writes upto N characters from buffer DATA. + Returns the number of character actually written. + It matches the streambuf::xsputn virtual function. */ +typedef _IO_size_t (*_IO_xsputn_t) + __P((_IO_FILE *FP, const void *DATA, _IO_size_t N)); #define _IO_XSPUTN(FP, DATA, N) JUMP2(__xsputn, FP, DATA, N) + +/* The 'xsgetn' hook reads upto N characters into buffer DATA. + Returns the number of character actually read. + It matches the streambuf::xsgetn virtual function. */ +typedef _IO_size_t (*_IO_xsgetn_t) __P((_IO_FILE*FP, void*DATA, _IO_size_t N)); #define _IO_XSGETN(FP, DATA, N) JUMP2(__xsgetn, FP, DATA, N) + +/* The 'seekoff' hook moves the stream position to a new position + relative to the start of the file (if DIR==0), the current position + (MODE==1), or the end of the file (MODE==2). + It matches the streambuf::seekoff virtual function. + It is also used for the ANSI fseek function. */ +typedef _IO_fpos_t (*_IO_seekoff_t) + __P((_IO_FILE* FP, _IO_off_t OFF, int DIR, int MODE)); #define _IO_SEEKOFF(FP, OFF, DIR, MODE) JUMP3(__seekoff, FP, OFF, DIR, MODE) + +/* The 'seekpos' hook also moves the stream position, + but to an absolute position given by a fpos_t (seekpos). + It matches the streambuf::seekpos virtual function. + It is also used for the ANSI fgetpos and fsetpos functions. */ +/* The _IO_seek_cur and _IO_seek_end options are not allowed. */ +typedef _IO_fpos_t (*_IO_seekpos_t) __P((_IO_FILE*, _IO_fpos_t, int)); #define _IO_SEEKPOS(FP, POS, FLAGS) JUMP2(__seekpos, FP, POS, FLAGS) + +/* The 'setbuf' hook gives a buffer to the file. + It matches the streambuf::setbuf virtual function. */ +typedef _IO_FILE* (*_IO_setbuf_t) __P((_IO_FILE*, char *, _IO_ssize_t)); #define _IO_SETBUF(FP, BUFFER, LENGTH) JUMP2(__setbuf, FP, BUFFER, LENGTH) + +/* The 'sync' hook attempts to synchronize the internal data structures + of the file with the external state. + It matches the streambuf::sync virtual function. */ +typedef int (*_IO_sync_t) __P((_IO_FILE*)); #define _IO_SYNC(FP) JUMP0(__sync, FP) + +/* The 'doallocate' hook is used to tell the file to allocate a buffer. + It matches the streambuf::doallocate virtual function, which is not + in the ANSI/ISO C++ standard, but is part traditional implementations. */ +typedef int (*_IO_doallocate_t) __P((_IO_FILE*)); #define _IO_DOALLOCATE(FP) JUMP0(__doallocate, FP) + +/* The following four hooks (sysread, syswrite, sysclose, sysseek, and + sysstat) are low-level hooks specific to this implementation. + There is no correspondance in the ANSI/ISO C++ standard library. + The hooks basically correspond to the Unix system functions + (read, write, close, lseek, and stat) except that a _IO_FILE* + parameter is used instead of a integer file descriptor; the default + implementation used for normal files just calls those functions. + The advantage of overriding these functions instead of the higher-level + ones (underflow, overflow etc) is that you can leave all the buffering + higher-level functions. */ + +/* The 'sysread' hook is used to read data from the external file into + an existing buffer. It generalizes the Unix read(2) function. + It matches the streambuf::sys_read virtual function, which is + specific to this implementaion. */ +typedef _IO_ssize_t (*_IO_read_t) __P((_IO_FILE*, void*, _IO_ssize_t)); #define _IO_SYSREAD(FP, DATA, LEN) JUMP2(__read, FP, DATA, LEN) + +/* The 'syswrite' hook is used to write data from an existing buffer + to an external file. It generalizes the Unix write(2) function. + It matches the streambuf::sys_write virtual function, which is + specific to this implementaion. */ +typedef _IO_ssize_t (*_IO_write_t) __P((_IO_FILE*,const void*,_IO_ssize_t)); #define _IO_SYSWRITE(FP, DATA, LEN) JUMP2(__write, FP, DATA, LEN) + +/* The 'sysseek' hook is used to re-position an external file. + It generalizes the Unix lseek(2) function. + It matches the streambuf::sys_seek virtual function, which is + specific to this implementaion. */ +typedef _IO_fpos_t (*_IO_seek_t) __P((_IO_FILE*, _IO_off_t, int)); #define _IO_SYSSEEK(FP, OFFSET, MODE) JUMP2(__seek, FP, OFFSET, MODE) + +/* The 'sysclose' hook is used to finalize (close, finish up) an + external file. It generalizes the Unix close(2) function. + It matches the streambuf::sys_close virtual function, which is + specific to this implementation. */ +typedef int (*_IO_close_t) __P((_IO_FILE*)); /* finalize */ #define _IO_SYSCLOSE(FP) JUMP0(__close, FP) + +/* The 'sysstat' hook is used to get information about an external file + into a struct stat buffer. It generalizes the Unix fstat(2) call. + It matches the streambuf::sys_stat virtual function, which is + specific to this implementaion. */ +typedef int (*_IO_stat_t) __P((_IO_FILE*, void*)); #define _IO_SYSSTAT(FP, BUF) JUMP1(__stat, FP, BUF) + #define _IO_CHAR_TYPE char /* unsigned char ? */ #define _IO_INT_TYPE int struct _IO_jump_t { JUMP_FIELD(_G_size_t, __dummy); +#ifdef _G_USING_THUNKS + JUMP_FIELD(_G_size_t, __dummy2); +#endif JUMP_FIELD(_IO_finish_t, __finish); JUMP_FIELD(_IO_overflow_t, __overflow); JUMP_FIELD(_IO_underflow_t, __underflow); @@ -147,16 +256,13 @@ struct _IO_jump_t { }; /* We always allocate an extra word following an _IO_FILE. + This contains a pointer to the function jump table used. This is for compatibility with C++ streambuf; the word can be used to smash to a pointer to a virtual function table. */ struct _IO_FILE_plus { _IO_FILE file; -#if _IO_UNIFIED_JUMPTABLES const struct _IO_jump_t *vtable; -#else - const void *vtable; -#endif }; /* Generic functions */ @@ -225,7 +331,7 @@ extern void _IO_flush_all_linebuffered __P((void)); #define _IO_have_backup(fp) ((fp)->_IO_save_base != NULL) #define _IO_in_backup(fp) ((fp)->_flags & _IO_IN_BACKUP) #define _IO_have_markers(fp) ((fp)->_markers != NULL) -#define _IO_blen(p) ((fp)->_IO_buf_end - (fp)->_IO_buf_base) +#define _IO_blen(fp) ((fp)->_IO_buf_end - (fp)->_IO_buf_base) /* Jumptable functions for files. */ @@ -290,12 +396,16 @@ extern void (*_IO_cleanup_registration_needed) __P ((void)); #define EOF (-1) #endif #ifndef NULL -#if !defined(__cplusplus) || defined(__GNUC__) +#ifdef __GNUG__ +#define NULL (__null) +#else +#if !defined(__cplusplus) #define NULL ((void*)0) #else #define NULL (0) #endif #endif +#endif #define FREE_BUF(_B) free(_B) #define ALLOC_BUF(_S) (char*)malloc(_S) @@ -337,22 +447,17 @@ extern int _IO_vscanf __P((const char *, _IO_va_list)); } #endif -#if _IO_UNIFIED_JUMPTABLES -#define _IO_FJUMP /* nothing */ -#else -#define _IO_FJUMP &_IO_file_jumps, -#endif #ifdef _IO_MTSAFE_IO /* check following! */ #define FILEBUF_LITERAL(CHAIN, FLAGS, FD) \ { _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, CHAIN, _IO_FJUMP FD, \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, CHAIN, FD, \ 0, 0, 0, 0, { 0 }, &_IO_stdfile_##FD##_lock } #else /* check following! */ #define FILEBUF_LITERAL(CHAIN, FLAGS, FD) \ { _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, CHAIN, _IO_FJUMP FD } + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, CHAIN, FD } #endif /* VTABLE_LABEL defines NAME as of the CLASS class. @@ -402,7 +507,7 @@ extern struct _IO_fake_stdiobuf _IO_stdin_buf, _IO_stdout_buf, _IO_stderr_buf; #define MAYBE_SET_EINVAL /* nothing */ #endif -#ifdef DEBUG +#ifdef IO_DEBUG #define CHECK_FILE(FILE,RET) \ if ((FILE) == NULL) { MAYBE_SET_EINVAL; return RET; } \ else { COERCE_FILE(FILE); \ diff --git a/libio/memstream.c b/libio/memstream.c index 8f9c8ac92c..ddcce676cb 100644 --- a/libio/memstream.c +++ b/libio/memstream.c @@ -77,21 +77,21 @@ open_memstream (bufloc, sizeloc) if (new_f == NULL) return NULL; #ifdef _IO_MTSAFE_IO - new_f->fp._sf._f._lock = &new_f->lock; + new_f->fp._sf._sbf._f._lock = &new_f->lock; #endif buf = ALLOC_BUF (_IO_BUFSIZ); - _IO_init (&new_f->fp._sf._f, 0); - _IO_JUMPS (&new_f->fp._sf._f) = &_IO_mem_jumps; - _IO_str_init_static (&new_f->fp._sf._f, buf, _IO_BUFSIZ, buf); - new_f->fp._sf._f._flags &= ~_IO_USER_BUF; + _IO_init (&new_f->fp._sf._sbf._f, 0); + _IO_JUMPS (&new_f->fp._sf._sbf._f) = &_IO_mem_jumps; + _IO_str_init_static (&new_f->fp._sf._sbf._f, buf, _IO_BUFSIZ, buf); + new_f->fp._sf._sbf._f._flags &= ~_IO_USER_BUF; new_f->fp._sf._s._allocate_buffer = (_IO_alloc_type) malloc; new_f->fp._sf._s._free_buffer = (_IO_free_type) free; new_f->fp.bufloc = bufloc; new_f->fp.sizeloc = sizeloc; - return &new_f->fp._sf._f; + return &new_f->fp._sf._sbf._f; } diff --git a/libio/stdio.h b/libio/stdio.h index 75d22f94c0..ba5fa5438e 100644 --- a/libio/stdio.h +++ b/libio/stdio.h @@ -73,7 +73,10 @@ typedef _IO_fpos_t fpos_t; #include <stdio_lim.h> +#ifdef __USE_SVID +/* Default path prefix for `tempnam' and `tmpnam'. */ #define P_tmpdir "/tmp" +#endif /* For use by debuggers. These are linked in if printf or fprintf are used. */ extern FILE *stdin, *stdout, *stderr; /* TODO */ diff --git a/libio/strfile.h b/libio/strfile.h index 4934a06e3c..76044f8927 100644 --- a/libio/strfile.h +++ b/libio/strfile.h @@ -36,9 +36,27 @@ struct _IO_str_fields _IO_free_type _free_buffer; }; -typedef struct _IO_strfile_ +/* This is needed for the Irix6 N32 ABI, which has a 64 bit off_t type, + but a 32 bit pointer type. In this case, we get 4 bytes of padding + after the vtable pointer. Putting them in a structure together solves + this problem. */ + +struct _IO_streambuf { struct _IO_FILE _f; const void *_vtable; +}; + +typedef struct _IO_strfile_ +{ + struct _IO_streambuf _sbf; struct _IO_str_fields _s; } _IO_strfile; + +/* dynamic: set when the array object is allocated (or reallocated) as + necessary to hold a character sequence that can change in length. */ +#define _IO_STR_DYNAMIC(FP) ((FP)->_s._allocate_buffer != (_IO_alloc_type)0) + +/* frozen: set when the program has requested that the array object not + be altered, reallocated, or freed. */ +#define _IO_STR_FROZEN(FP) ((FP)->_f._IO_file_flags & _IO_USER_BUF) diff --git a/libio/vasprintf.c b/libio/vasprintf.c index 57a3b08eba..f8dba80c38 100644 --- a/libio/vasprintf.c +++ b/libio/vasprintf.c @@ -46,22 +46,22 @@ _IO_vasprintf (result_ptr, format, args) if (string == NULL) return -1; #ifdef _IO_MTSAFE_IO - sf._f._lock = &lock; + sf._sbf._f._lock = &lock; #endif _IO_init((_IO_FILE*)&sf, 0); _IO_JUMPS((_IO_FILE*)&sf) = &_IO_str_jumps; _IO_str_init_static ((_IO_FILE*)&sf, string, init_string_size, string); - sf._f._flags &= ~_IO_USER_BUF; + sf._sbf._f._flags &= ~_IO_USER_BUF; sf._s._allocate_buffer = (_IO_alloc_type)malloc; sf._s._free_buffer = (_IO_free_type)free; ret = _IO_vfprintf((_IO_FILE*)&sf, format, args); if (ret < 0) return ret; - *result_ptr = (char*)realloc(sf._f._IO_buf_base, - (sf._f._IO_write_ptr - sf._f._IO_write_base) +1); + *result_ptr = (char*)realloc(sf._sbf._f._IO_buf_base, + (sf._sbf._f._IO_write_ptr - sf._sbf._f._IO_write_base) +1); if (*result_ptr == NULL) - *result_ptr = sf._f._IO_buf_base; - (*result_ptr)[sf._f._IO_write_ptr-sf._f._IO_write_base] = '\0'; + *result_ptr = sf._sbf._f._IO_buf_base; + (*result_ptr)[sf._sbf._f._IO_write_ptr-sf._sbf._f._IO_write_base] = '\0'; return ret; } weak_alias (_IO_vasprintf, vasprintf) diff --git a/libio/vsnprintf.c b/libio/vsnprintf.c index 9f767b5b06..9ec06914c0 100644 --- a/libio/vsnprintf.c +++ b/libio/vsnprintf.c @@ -36,7 +36,7 @@ _IO_vsnprintf (string, maxlen, format, args) int ret; #ifdef _IO_MTSAFE_IO _IO_lock_t lock; - sf._f._lock = &lock; + sf._sbf._f._lock = &lock; #endif _IO_init ((_IO_FILE *) &sf, 0); _IO_JUMPS ((_IO_FILE *) &sf) = &_IO_str_jumps; |