/* depend.c - Handle dependency tracking.
- Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1997-2019 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 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
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, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#include "as.h"
+#include "filenames.h"
/* The file to write to, or NULL if no dependencies being kept. */
-static char *dep_file = NULL;
+static char * dep_file = NULL;
struct dependency
{
- char *file;
- struct dependency *next;
+ char * file;
+ struct dependency * next;
};
/* All the files we depend on. */
-static struct dependency *dep_chain = NULL;
+static struct dependency * dep_chain = NULL;
/* Current column in output file. */
static int column = 0;
-static int quote_string_for_make PARAMS ((FILE *, char *));
-static void wrap_output PARAMS ((FILE *, char *, int));
+static int quote_string_for_make (FILE *, const char *);
+static void wrap_output (FILE *, const char *, int);
/* Number of columns allowable. */
#define MAX_COLUMNS 72
never called, then dependency tracking is simply skipped. */
void
-start_dependencies (filename)
- char *filename;
+start_dependencies (char *filename)
{
dep_file = filename;
}
/* Noticed a new filename, so try to register it. */
void
-register_dependency (filename)
- char *filename;
+register_dependency (const char *filename)
{
struct dependency *dep;
for (dep = dep_chain; dep != NULL; dep = dep->next)
{
- if (!strcmp (filename, dep->file))
+ if (!filename_cmp (filename, dep->file))
return;
}
- dep = (struct dependency *) xmalloc (sizeof (struct dependency));
+ dep = XNEW (struct dependency);
dep->file = xstrdup (filename);
dep->next = dep_chain;
dep_chain = dep;
This code is taken from gcc with only minor changes. */
static int
-quote_string_for_make (file, src)
- FILE *file;
- char *src;
+quote_string_for_make (FILE *file, const char *src)
{
- char *p = src;
+ const char *p = src;
int i = 0;
+
for (;;)
{
char c = *p++;
+
switch (c)
{
case '\0':
preceded by 2N backslashes represents N backslashes at
the end of a file name; and backslashes in other
contexts should not be doubled. */
- char *q;
+ const char *q;
+
for (q = p - 1; src < q && q[-1] == '\\'; q--)
{
if (file)
if (file)
putc (c, file);
i++;
- /* Fall through. This can mishandle things like "$(" but
- there's no easy fix. */
+ /* Fall through. */
+ /* This can mishandle things like "$(" but there's no easy fix. */
default:
ordinary_char:
/* This can mishandle characters in the string "\0\n%*?[\\~";
wrapping as necessary. */
static void
-wrap_output (f, string, spacer)
- FILE *f;
- char *string;
- int spacer;
+wrap_output (FILE *f, const char *string, int spacer)
{
int len = quote_string_for_make (NULL, string);
/* Print dependency file. */
void
-print_dependencies ()
+print_dependencies (void)
{
FILE *f;
struct dependency *dep;
if (dep_file == NULL)
return;
- f = fopen (dep_file, "w");
+ f = fopen (dep_file, FOPEN_WT);
if (f == NULL)
{
- as_warn (_("Can't open `%s' for writing"), dep_file);
+ as_warn (_("can't open `%s' for writing"), dep_file);
return;
}
putc ('\n', f);
if (fclose (f))
- as_warn (_("Can't close `%s'"), dep_file);
+ as_warn (_("can't close `%s'"), dep_file);
}