mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-17 10:26:15 +00:00
180 lines
3.7 KiB
C
180 lines
3.7 KiB
C
/* sts.c -- Implementation File (module.c template V1.0)
|
||
Copyright (C) 1995 Free Software Foundation, Inc.
|
||
Contributed by James Craig Burley.
|
||
|
||
This file is part of GNU Fortran.
|
||
|
||
GNU Fortran 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.
|
||
|
||
GNU Fortran 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 GNU Fortran; see the file COPYING. If not, write to
|
||
the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
|
||
02111-1307, USA.
|
||
|
||
Related Modules:
|
||
None (despite the name, it doesn't really depend on ffest*)
|
||
|
||
Description:
|
||
Provides an arbitrary-length string facility for the limited needs of
|
||
GNU Fortran FORMAT statement generation.
|
||
|
||
Modifications:
|
||
*/
|
||
|
||
/* Include files. */
|
||
|
||
#include "proj.h"
|
||
#include "sts.h"
|
||
#include "com.h"
|
||
#include "malloc.h"
|
||
|
||
/* Externals defined here. */
|
||
|
||
|
||
/* Simple definitions and enumerations. */
|
||
|
||
|
||
/* Internal typedefs. */
|
||
|
||
|
||
/* Private include files. */
|
||
|
||
|
||
/* Internal structure definitions. */
|
||
|
||
|
||
/* Static objects accessed by functions in this module. */
|
||
|
||
|
||
/* Static functions (internal). */
|
||
|
||
|
||
/* Internal macros. */
|
||
|
||
|
||
/* ffests_kill -- Kill a varying-length string
|
||
|
||
ffests s;
|
||
ffests_kill(s);
|
||
|
||
The storage associated with the string <s> is freed. */
|
||
|
||
void
|
||
ffests_kill (ffests s)
|
||
{
|
||
if (s->text_ != NULL)
|
||
malloc_kill_ksr (s->pool_, s->text_, s->max_);
|
||
}
|
||
|
||
/* ffests_new -- Make a varying-length string
|
||
|
||
ffests s;
|
||
ffests_new(s,malloc_pool_image(),0);
|
||
|
||
The string is initialized to hold, in this case, 0 characters, and
|
||
current and future heap manipulations to hold the string will use
|
||
the image pool. */
|
||
|
||
void
|
||
ffests_new (ffests s, mallocPool pool, ffestsLength size)
|
||
{
|
||
s->pool_ = pool;
|
||
s->len_ = 0;
|
||
s->max_ = size;
|
||
|
||
if (size == 0)
|
||
s->text_ = NULL;
|
||
else
|
||
s->text_ = malloc_new_ksr (pool, "ffests", size);
|
||
}
|
||
|
||
/* ffests_printf -- printf ("...%ld...",(long)) to a string
|
||
|
||
ffests s;
|
||
ffests_printf (s,"...%ld...",1);
|
||
|
||
Like printf, but into a string. */
|
||
|
||
void
|
||
ffests_printf (ffests s, const char *ctl, ...)
|
||
{
|
||
char *string;
|
||
va_list ap;
|
||
|
||
va_start (ap, ctl);
|
||
if (vasprintf (&string, ctl, ap) == 0)
|
||
abort ();
|
||
va_end (ap);
|
||
ffests_puts (s, string);
|
||
free (string);
|
||
}
|
||
|
||
/* ffests_putc -- Put a single character into string
|
||
|
||
ffests s;
|
||
ffests_putc(s,'*'); */
|
||
|
||
void
|
||
ffests_putc (ffests s, char c)
|
||
{
|
||
ffests_puttext (s, &c, 1);
|
||
}
|
||
|
||
/* ffests_puts -- Put a zero-terminated (C-style) string into string
|
||
|
||
ffests s;
|
||
ffests_puts(s,"append me"); */
|
||
|
||
void
|
||
ffests_puts (ffests s, const char *string)
|
||
{
|
||
ffests_puttext (s, string, strlen (string));
|
||
}
|
||
|
||
/* ffests_puttext -- Put a number of characters into string
|
||
|
||
ffests s;
|
||
ffests_puttext(s,"hi there",8);
|
||
|
||
The string need not be 0-terminated, because the passed length is used,
|
||
and may be 0. */
|
||
|
||
void
|
||
ffests_puttext (ffests s, const char *text, ffestsLength length)
|
||
{
|
||
ffestsLength newlen;
|
||
ffestsLength newmax;
|
||
|
||
if (length <= 0)
|
||
return;
|
||
|
||
newlen = s->len_ + length;
|
||
if (newlen > s->max_)
|
||
{
|
||
if (s->text_ == NULL)
|
||
{
|
||
s->max_ = 40;
|
||
s->text_ = malloc_new_ksr (s->pool_, "ffests", s->max_);
|
||
}
|
||
else
|
||
{
|
||
newmax = s->max_ << 1;
|
||
while (newmax < newlen)
|
||
newmax <<= 1;
|
||
s->text_ = malloc_resize_ksr (s->pool_, s->text_, newmax, s->max_);
|
||
s->max_ = newmax;
|
||
}
|
||
}
|
||
|
||
memcpy (s->text_ + s->len_, text, length);
|
||
s->len_ = newlen;
|
||
}
|