diff options
Diffstat (limited to 'libio')
| -rw-r--r-- | libio/Versions | 2 | ||||
| -rw-r--r-- | libio/iofopncook.c | 77 |
2 files changed, 75 insertions, 4 deletions
diff --git a/libio/Versions b/libio/Versions index c7a5f668a1..654ca29a89 100644 --- a/libio/Versions +++ b/libio/Versions @@ -107,7 +107,7 @@ libc { # f* fgetpos; fgetpos64; fgetwc; fgetwc_unlocked; fgetws; fgetws_unlocked; fputwc; fputwc_unlocked; fputws; fputws_unlocked; fsetpos; fsetpos64; - fwide; fwprintf; fwscanf; + fwide; fwprintf; fwscanf; fopencookie; # g* getwc; getwc_unlocked; getwchar; getwchar_unlocked; diff --git a/libio/iofopncook.c b/libio/iofopncook.c index 59034c7db4..852a483a49 100644 --- a/libio/iofopncook.c +++ b/libio/iofopncook.c @@ -26,7 +26,7 @@ #include <libioP.h> #include <stdio.h> #include <stdlib.h> - +#include <shlib-compat.h> /* Prototyped for local functions. */ static _IO_ssize_t _IO_cookie_read (register _IO_FILE* fp, void* buf, @@ -35,7 +35,8 @@ static _IO_ssize_t _IO_cookie_write (register _IO_FILE* fp, const void* buf, _IO_ssize_t size); static _IO_off64_t _IO_cookie_seek (_IO_FILE *fp, _IO_off64_t offset, int dir); static int _IO_cookie_close (_IO_FILE* fp); - +_IO_FILE * _IO_fopencookie (void *cookie, const char *mode, + _IO_cookie_io_functions_t io_functions); static _IO_ssize_t _IO_cookie_read (fp, buf, size) @@ -140,7 +141,7 @@ _IO_cookie_init (struct _IO_cookie_file *cfile, int read_write, _IO_FILE * -fopencookie (cookie, mode, io_functions) +_IO_fopencookie (cookie, mode, io_functions) void *cookie; const char *mode; _IO_cookie_io_functions_t io_functions; @@ -182,3 +183,73 @@ fopencookie (cookie, mode, io_functions) return &new_f->cfile.__file; } + +versioned_symbol (libc, _IO_fopencookie, fopencookie, GLIBC_2_2); + +#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2) + +static _IO_off64_t _IO_old_cookie_seek (_IO_FILE *fp, _IO_off64_t offset, + int dir); +_IO_FILE * _IO_old_fopencookie (void *cookie, const char *mode, + _IO_cookie_io_functions_t io_functions); + +static _IO_off64_t +_IO_old_cookie_seek (fp, offset, dir) + _IO_FILE *fp; + _IO_off64_t offset; + int dir; +{ + struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp; + int (*seek) (_IO_FILE *, _IO_off_t, int); + int ret; + + seek = (int (*)(_IO_FILE *, _IO_off_t, int)) cfile->__io_functions.seek; + if (seek == NULL) + return _IO_pos_BAD; + + ret = seek (cfile->__cookie, offset, dir); + + return (ret == -1) ? _IO_pos_BAD : ret; +} + +static struct _IO_jump_t _IO_old_cookie_jumps = { + JUMP_INIT_DUMMY, + JUMP_INIT(finish, _IO_file_finish), + JUMP_INIT(overflow, _IO_file_overflow), + JUMP_INIT(underflow, _IO_file_underflow), + JUMP_INIT(uflow, _IO_default_uflow), + JUMP_INIT(pbackfail, _IO_default_pbackfail), + JUMP_INIT(xsputn, _IO_file_xsputn), + JUMP_INIT(xsgetn, _IO_default_xsgetn), + JUMP_INIT(seekoff, _IO_file_seekoff), + JUMP_INIT(seekpos, _IO_default_seekpos), + JUMP_INIT(setbuf, _IO_file_setbuf), + JUMP_INIT(sync, _IO_file_sync), + JUMP_INIT(doallocate, _IO_file_doallocate), + JUMP_INIT(read, _IO_cookie_read), + JUMP_INIT(write, _IO_cookie_write), + JUMP_INIT(seek, _IO_old_cookie_seek), + JUMP_INIT(close, _IO_cookie_close), + JUMP_INIT(stat, _IO_default_stat), + JUMP_INIT(showmanyc, _IO_default_showmanyc), + JUMP_INIT(imbue, _IO_default_imbue), +}; + +_IO_FILE * +_IO_old_fopencookie (cookie, mode, io_functions) + void *cookie; + const char *mode; + _IO_cookie_io_functions_t io_functions; +{ + _IO_FILE *ret; + + ret = _IO_fopencookie (cookie, mode, io_functions); + if (ret != NULL) + _IO_JUMPS (ret) = &_IO_old_cookie_jumps; + + return ret; +} + +compat_symbol (libc, _IO_old_fopencookie, fopencookie, GLIBC_2_0); + +#endif |