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* src/files.c (skeleton_find): New function, eved out of...

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(open_files, open_extra_files): here.
This commit is contained in:
Akim Demaille
2000-11-03 17:19:07 +00:00
parent d16e8d3cd7
commit 9311529bc5
2 changed files with 31 additions and 41 deletions
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5
ChangeLog
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@@ -1,3 +1,8 @@
2000-11-03 Akim Demaille <akim@epita.fr>
* src/files.c (skeleton_find): New function, eved out of...
(open_files, open_extra_files): here.
2000-11-03 Akim Demaille <akim@epita.fr>
Don't use `atexit'.

67
src/files.c
View File

@@ -141,7 +141,7 @@ xfclose (FILE *ptr)
| Save the content of the obstack OBS in FILENAME. |
`--------------------------------------------------*/
void
static void
obstack_save (struct obstack *obs, const char *filename)
{
FILE *out = xfopen (filename, "w");
@@ -150,6 +150,29 @@ obstack_save (struct obstack *obs, const char *filename)
xfclose (out);
}
static const char *
skeleton_find (const char *envvar, const char *skeleton)
{
const char *res = getenv (envvar);
#ifdef MSDOS
const char *cp;
/* File doesn't exist in current directory; try in INIT directory. */
if (!res && (cp = getenv ("INIT")))
{
res = XMALLOC (char, strlen (cp) + strlen (skeleton) + 2);
sprintf (res, "%s%c%s", cp, '/', skeleton);
}
#endif /* !MSDOS */
if (!res)
res = skeleton;
return res;
}
/*-----------------------------------------------------------------.
| Open the input file. Look for the skeletons. Find the names of |
@@ -163,7 +186,6 @@ open_files (void)
#ifdef MSDOS
register char *cp;
#endif
char *filename;
int base_length;
int short_base_length;
@@ -270,22 +292,7 @@ open_files (void)
finput = xfopen (infile, "r");
if (!no_parser_flag)
{
filename = getenv ("BISON_SIMPLE");
#ifdef MSDOS
/* File doesn't exist in current directory; try in INIT directory. */
cp = getenv ("INIT");
if (filename == 0 && cp != NULL)
{
filename = XMALLOC (char, strlen (cp) + strlen (PFILE) + 2);
strcpy (filename, cp);
cp = filename + strlen (filename);
*cp++ = '/';
strcpy (cp, PFILE);
}
#endif /* MSDOS */
fparser = xfopen (filename ? filename : PFILE, "r");
}
fparser = xfopen (skeleton_find ("BISON_SIMPLE", PFILE), "r");
if (verbose_flag)
{
@@ -346,32 +353,10 @@ open_files (void)
void
open_extra_files (void)
{
int c;
char *filename;
xfclose (fparser);
if (!no_parser_flag)
{
filename = (char *) getenv ("BISON_HAIRY");
#ifdef MSDOS
{
/* File doesn't exist in current directory; try in INIT
directory. */
char *cp = getenv ("INIT");
if (filename == 0 && cp != NULL)
{
filename = XMALLOC (char, strlen (cp) + strlen (PFILE1) + 2);
strcpy (filename, cp);
cp = filename + strlen (filename);
*cp++ = '/';
strcpy (cp, PFILE1);
}
}
#endif
fparser = xfopen (filename ? filename : PFILE1, "r");
}
fparser = xfopen (skeleton_find ("BISON_HAIRY", PFILE1), "r");
fguard = xfopen (guardfile, "w");
}