Imagelibrary/binutils-gdb
1
0
Fork 1
mirror of https://github.com/bminor/binutils-gdb.git synced 2025-12-27 09:38:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

White space and comments only. The devo tree prior to this delta is

Browse Source 
tagged as "vanilla" for your convenience.

There are also some comment changes.
This commit is contained in:
K. Richard Pixley
1992-02-13 08:33:54 +00:00
parent 77806c3e79
commit a39116f1c9
94 changed files with 28113 additions and 28693 deletions
Download Patch File Download Diff File Expand all files Collapse all files

376
gas/input-file.c
View File

@@ -1,23 +1,21 @@
/* input_file.c - Deal with Input Files -
Copyright (C) 1987, 1990, 1991 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. */
/* static const char rcsid[] = "$Id$"; */
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 2, 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.
@@ -39,7 +37,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* 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;
/*
@@ -62,150 +60,150 @@ char * file_name;
/* Struct for saving the state of this module for file includes. */
struct saved_file {
FILE *f_in;
char *file_name;
int preprocess;
char *app_save;
FILE *f_in;
char *file_name;
int preprocess;
char *app_save;
};
/* These hooks accomodate most operating systems. */
void input_file_begin() {
f_in = (FILE *)0;
f_in = (FILE *)0;
}
void input_file_end () { }
/* Return BUFFER_SIZE. */
/* Return BUFFER_SIZE. */
int input_file_buffer_size() {
return (BUFFER_SIZE);
return (BUFFER_SIZE);
}
int input_file_is_open() {
return f_in!=(FILE *)0;
return f_in!=(FILE *)0;
}
/* Push the state of our input, returning a pointer to saved info that
can be restored with input_file_pop (). */
char *input_file_push () {
register struct saved_file *saved;
saved = (struct saved_file *)xmalloc (sizeof *saved);
saved->f_in = f_in;
saved->file_name = file_name;
saved->preprocess = preprocess;
if (preprocess)
saved->app_save = app_push ();
input_file_begin (); /* Initialize for new file */
return (char *)saved;
register struct saved_file *saved;
saved = (struct saved_file *)xmalloc (sizeof *saved);
saved->f_in = f_in;
saved->file_name = file_name;
saved->preprocess = preprocess;
if (preprocess)
saved->app_save = app_push ();
input_file_begin (); /* Initialize for new file */
return (char *)saved;
}
void
input_file_pop (arg)
char *arg;
input_file_pop (arg)
char *arg;
{
register struct saved_file *saved = (struct saved_file *)arg;
input_file_end (); /* Close out old file */
f_in = saved->f_in;
file_name = saved->file_name;
preprocess = saved->preprocess;
if (preprocess)
app_pop (saved->app_save);
free(arg);
register struct saved_file *saved = (struct saved_file *)arg;
input_file_end (); /* Close out old file */
f_in = saved->f_in;
file_name = saved->file_name;
preprocess = saved->preprocess;
if (preprocess)
app_pop (saved->app_save);
free(arg);
}
#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. */
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;
(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);
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;
}
(void)dup2 (fd, fileno(stdout));
/* JF for testing #define PREPROCESSOR "/lib/app" */
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;
(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_bad( "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);
}
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_bad( "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;
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");
@@ -218,44 +216,44 @@ input_file_open (filename,pre)
as_perror ("Can't open %s for reading", file_name);
return;
}
#ifndef VMS
/* Ask stdio to buffer our input at BUFFER_SIZE, with a dynamically
allocated buffer. */
setvbuf(f_in, (char *)NULL, _IOFBF, 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;
preprocess=0;
if (!strchr(buf,'\n'))
ungetc('#',f_in); /* It was longer */
ungetc('#',f_in); /* It was longer */
else
ungetc('\n',f_in);
ungetc('\n',f_in);
} else if(c=='\n')
ungetc('\n',f_in);
ungetc('\n',f_in);
else
ungetc('#',f_in);
ungetc('#',f_in);
} else
ungetc(c,f_in);
ungetc(c,f_in);
#ifdef DONTDEF
if ( preprocess ) {
char temporary_file_name [17];
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. */
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 */
@@ -268,55 +266,57 @@ input_file_open (filename,pre)
/* Close input file. */
void input_file_close() {
fclose (f_in);
f_in = 0;
}
if (f_in != NULL) {
fclose (f_in);
} /* don't close a null file pointer */
f_in = 0;
} /* input_file_close() */
char *
input_file_give_next_buffer (where)
char * where; /* Where to place 1st character of new buffer. */
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.
*/
if(preprocess) {
char *p;
int n;
int ch;
extern FILE *scrub_file;
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);
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.
*/
if(preprocess) {
char *p;
int n;
int ch;
extern FILE *scrub_file;
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);
}