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-rw-r--r--gnu/gas/input-file.c306
1 files changed, 0 insertions, 306 deletions
diff --git a/gnu/gas/input-file.c b/gnu/gas/input-file.c
deleted file mode 100644
index 8de1dcf15342..000000000000
--- a/gnu/gas/input-file.c
+++ /dev/null
@@ -1,306 +0,0 @@
-/*-
- * This code is derived from software copyrighted by the Free Software
- * Foundation.
- *
- * Modified 1991 by Donn Seeley at UUNET Technologies, Inc.
- */
-
-#ifndef lint
-static char sccsid[] = "@(#)input-file.c 6.2 (Berkeley) 5/8/91";
-#endif /* not lint */
-
-/* input_file.c - Deal with Input Files -
- Copyright (C) 1987 Free Software Foundation, Inc.
-
-This file is part of GAS, the GNU Assembler.
-
-GAS is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 1, or (at your option)
-any later version.
-
-GAS 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 General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GAS; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/*
- * Confines all details of reading source bytes to this module.
- * All O/S specific crocks should live here.
- * What we lose in "efficiency" we gain in modularity.
- * Note we don't need to #include the "as.h" file. No common coupling!
- */
-
-#define NDEBUG /* JF remove asserts */
-
-#ifdef USG
-#define index strchr
-/* JF: What's the difference between _IOLBF and _IOFBF ? */
-#define setbuffer(stream, buf, size) setvbuf((stream), (buf), _IOFBF, (size))
-#endif
-
-#include <stdio.h>
-#include <assert.h>
-/* #include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/file.h>
-#include <sys/wait.h> */
-
-/* #include "style.h" */
-#include "input-file.h"
-
-/* This variable is non-zero if the file currently being read should be
- preprocessed by app. It is zero if the file can be read straight in.
- */
-int preprocess = 0;
-
-void as_perror();
-
-/*
- * This code opens a file, then delivers BUFFER_SIZE character
- * chunks of the file on demand.
- * BUFFER_SIZE is supposed to be a number chosen for speed.
- * The caller only asks once what BUFFER_SIZE is, and asks before
- * the nature of the input files (if any) is known.
- */
-
-#define BUFFER_SIZE (32 * 1024)
-
-static char in_buf[BUFFER_SIZE];
-
-/*
- * We use static data: the data area is not sharable.
- */
-
-FILE *f_in; /* JF do things the RIGHT way */
-/* static JF remove static so app.c can use file_name */
-char * file_name;
-
-/* These hooks accomodate most operating systems. */
-
-void
-input_file_begin ()
-{
- /* file_handle = -1; */
- f_in = (FILE *)0;
-}
-
-void
-input_file_end ()
-{
-}
-
-int /* Return BUFFER_SIZE. */
-input_file_buffer_size ()
-{
- return (BUFFER_SIZE);
-}
-
-int
-input_file_is_open ()
-{
- /* return (file_handle >= 0); */
- return f_in!=(FILE *)0;
-}
-
-#ifdef DONTDEF /* JF save old version in case we need it */
-void
-input_file_open (filename, preprocess, debugging)
- char * filename; /* "" means use stdin. Must not be 0. */
- int preprocess; /* TRUE if needs app. */
- int debugging; /* TRUE if we are debugging assembler. */
-{
- assert( filename != 0 ); /* Filename may not be NULL. */
- if (filename [0])
- { /* We have a file name. Suck it and see. */
- file_handle = open (filename, O_RDONLY, 0);
- file_name = filename;
- }
- else
- { /* use stdin for the input file. */
- file_handle = fileno (stdin);
- file_name = "{standard input}"; /* For error messages. */
- }
- if (file_handle < 0)
- as_perror ("Can't open %s for reading", file_name);
- if ( preprocess )
- {
-/*
- * This code was written in haste for a frobbed BSD 4.2.
- * I have a flight to catch: will someone please do proper
- * error checks? - Dean.
- */
- int pid;
- char temporary_file_name [12];
- int fd;
- union wait status;
- char *mktemp();
-
- (void)strcpy (temporary_file_name, "#appXXXXXX");
- (void)mktemp (temporary_file_name);
- pid = vfork ();
- if (pid == -1)
- {
- as_perror ("Vfork failed", file_name);
- _exit (144);
- }
- if (pid == 0)
- {
- (void)dup2 (file_handle, fileno(stdin));
- fd = open (temporary_file_name, O_WRONLY + O_TRUNC + O_CREAT, 0666);
- if (fd == -1)
- {
- (void)write(2,"Can't open temporary\n",21);
- _exit (99);
- }
- (void)dup2 (fd, fileno(stdout));
-/* JF for testing #define PREPROCESSOR "/lib/app" */
-#define PREPROCESSOR "./app"
- execl (PREPROCESSOR, PREPROCESSOR, 0);
- execl ("app","app",0);
- (void)write(2,"Exec of app failed. Get help.\n",31);
- (void)unlink(temporary_file_name);
- _exit (11);
- }
- (void)wait (& status);
- if (status.w_status & 0xFF00) /* JF was 0xF000, was wrong */
- {
- file_handle = -1;
- as_warn( "Can't preprocess file \"%s\", status = %xx", file_name, status.w_status );
- }
- else
- {
- file_handle = open (temporary_file_name, O_RDONLY, 0);
- if ( ! debugging && unlink(temporary_file_name))
- as_perror ("Can't delete temp file %s", temporary_file_name);
- }
- if (file_handle == -1)
- as_perror ("Can't retrieve temp file %s", temporary_file_name);
- }
-}
-#else
-
-void
-input_file_open (filename,pre)
- char * filename; /* "" means use stdin. Must not be 0. */
- int pre;
-{
- int c;
- char buf[80];
-
- preprocess = pre;
-
- assert( filename != 0 ); /* Filename may not be NULL. */
- if (filename [0]) { /* We have a file name. Suck it and see. */
- f_in=fopen(filename,"r");
- file_name=filename;
- } else { /* use stdin for the input file. */
- f_in = stdin;
- file_name = "{standard input}"; /* For error messages. */
- }
- if (f_in==(FILE *)0) {
- as_perror ("Can't open %s for reading", file_name);
- return;
- }
-#ifndef VMS
- setbuffer(f_in,in_buf,BUFFER_SIZE);
-#endif /* VMS */
- c=getc(f_in);
- if(c=='#') { /* Begins with comment, may not want to preprocess */
- c=getc(f_in);
- if(c=='N') {
- fgets(buf,80,f_in);
- if(!strcmp(buf,"O_APP\n"))
- preprocess=0;
- if(!index(buf,'\n'))
- ungetc('#',f_in); /* It was longer */
- else
- ungetc('\n',f_in);
- } else if(c=='\n')
- ungetc('\n',f_in);
- else
- ungetc('#',f_in);
- } else
- ungetc(c,f_in);
-
-#ifdef DONTDEF
- if ( preprocess ) {
- char temporary_file_name [17];
- char *mktemp();
- FILE *f_out;
-
- (void)strcpy (temporary_file_name, "/tmp/#appXXXXXX");
- (void)mktemp (temporary_file_name);
- f_out=fopen(temporary_file_name,"w+");
- if(f_out==(FILE *)0)
- as_perror("Can't open temp file %s",temporary_file_name);
-
- /* JF this will have to be moved on any system that
- does not support removal of open files. */
- (void)unlink(temporary_file_name);/* JF do it NOW */
- do_scrub(f_in,f_out);
- (void)fclose(f_in); /* All done with it */
- (void)rewind(f_out);
- f_in=f_out;
- }
-#endif
-}
-#endif
-
-char *
-input_file_give_next_buffer (where)
- char * where; /* Where to place 1st character of new buffer. */
-{
- char * return_value; /* -> Last char of what we read, + 1. */
- register int size;
-
- if (f_in == (FILE *)0)
- return 0;
- /*
- * fflush (stdin); could be done here if you want to synchronise
- * stdin and stdout, for the case where our input file is stdin.
- * Since the assembler shouldn't do any output to stdout, we
- * don't bother to synch output and input.
- */
- /* size = read (file_handle, where, BUFFER_SIZE); */
- if(preprocess) {
- char *p;
- int n;
- int ch;
- extern FILE *scrub_file;
- int scrub_from_file();
- void scrub_to_file();
- int do_scrub_next_char();
-
- scrub_file=f_in;
- for(p=where,n=BUFFER_SIZE;n;--n) {
- ch=do_scrub_next_char(scrub_from_file,scrub_to_file);
- if(ch==EOF)
- break;
- *p++=ch;
- }
- size=BUFFER_SIZE-n;
- } else
- size= fread(where,sizeof(char),BUFFER_SIZE,f_in);
- if (size < 0)
- {
- as_perror ("Can't read from %s", file_name);
- size = 0;
- }
- if (size)
- return_value = where + size;
- else
- {
- if (fclose (f_in))
- as_perror ("Can't close %s", file_name);
- f_in = (FILE *)0;
- return_value = 0;
- }
- return (return_value);
-}
-
-/* end: input_file.c */
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