i-bash/support/mkversion.c
2009-09-12 16:46:49 +00:00

305 lines
7.2 KiB
C

/* Simple program to make new version numbers for the shell.
Big deal, but it was getting out of hand to do everything
in the makefile. */
/* Copyright (C) 1989 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash 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.
Bash 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 Bash; see the file COPYING. If not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "config.h"
#include <sys/types.h>
#include "posixstat.h"
#include <stdio.h>
#include "bashansi.h"
char *progname;
char *dir;
char *status;
FILE *must_open ();
main (argc, argv)
int argc;
char **argv;
{
FILE *file;
float distver = 0.0;
int buildver = 0, patchlevel = 0;
int dist = 0, build = 0, patch = 0;
int dist_inc = 0, build_inc = 0, patch_inc = 0;
int dot_dist_needs_making = 0;
int arg_index = 1;
struct stat sb;
progname = argv[0];
status = dir = (char *)0;
while (arg_index < argc && argv[arg_index][0] == '-')
{
if (strcmp (argv[arg_index], "-dist") == 0)
{
dist++;
dist_inc++;
}
else if (strcmp (argv[arg_index], "-build") == 0)
{
build++;
build_inc++;
}
else if (strcmp (argv[arg_index], "-patch") == 0)
{
patch++;
patch_inc++;
}
else if (strcmp (argv[arg_index], "-dir") == 0)
{
dir = argv[++arg_index];
if (dir == 0)
{
fprintf (stderr, "%s: `-dir' requires an argument\n", progname);
exit (1);
}
if (stat (dir, &sb) < 0)
{
fprintf (stderr, "%s: cannot stat %s\n", progname, dir);
exit (1);
}
if ((sb.st_mode & S_IFMT) != S_IFDIR)
{
fprintf (stderr, "%s: not a directory\n", progname);
exit (1);
}
}
else if (strcmp (argv[arg_index], "-status") == 0)
{
status = argv[++arg_index];
if (status == 0)
{
fprintf (stderr, "%s: `-status' requires an argument\n", progname);
exit (1);
}
}
else
{
fprintf (stderr, "%s: unknown option: %s\n", progname, argv[arg_index]);
fprintf (stderr, "usage: %s [-dist|-patch|-build] [-dir directory]\n", progname);
exit (1);
}
arg_index++;
}
if (get_float_from_file (".distribution", &distver, 1) == 0)
dot_dist_needs_making++;
if (get_int_from_file (".patchlevel", &patchlevel, 1) == 0)
{
patchlevel = 0;
patch_inc = 0;
}
if (get_int_from_file (".build", &buildver, 0) == 0)
buildver = 0;
/* Setting distribution version. */
if (dist && arg_index < argc)
if (sscanf (argv[arg_index], "%f", &distver) != 1)
{
fprintf (stderr, "%s: Bad input `%s'. Expected float value for -dist.\n",
progname, argv[arg_index]);
exit (1);
}
else
{
arg_index++;
dist_inc = 0;
}
/* Setting patchlevel via argument. */
if (patch && arg_index < argc)
if (sscanf (argv[arg_index], "%d", &patchlevel) != 1)
{
fprintf (stderr, "%s: Bad input `%s'. Expected int value for -patch.\n",
progname, argv[arg_index]);
exit (1);
}
else
{
arg_index++;
patch_inc = 0;
}
if (build && arg_index < argc)
if (sscanf (argv[arg_index], "%d", &buildver) != 1)
{
fprintf (stderr, "%s: Bad input `%s'. Expected int value for -build.\n",
progname, argv[arg_index]);
exit (1);
}
else
{
arg_index++;
build_inc = 0;
}
if (dot_dist_needs_making && !distver)
{
fprintf (stderr, "%s: There is no `.distribution' file to infer from.\n", progname);
exit (1);
}
if (dist_inc)
distver = distver + 0.01;
if (patch_inc)
patchlevel++;
if (build_inc)
buildver++;
file = must_open ("newversion.h", "w");
/* Output the leading comment. */
fprintf (file,
"/* Version control for the shell. This file gets changed when you say\n\
`make newversion' to the Makefile. It is created by mkversion. */\n");
fprintf (file, "\n/* The distribution version number of this shell. */\n");
fprintf (file, "#define DISTVERSION \"%.2f\"\n", distver);
fprintf (file, "\n/* The patch level of this version of the shell. */\n");
fprintf (file, "#define PATCHLEVEL %d\n", patchlevel);
fprintf (file, "\n/* The last built version of this shell. */\n");
fprintf (file, "#define BUILDVERSION %d\n", buildver);
if (status)
{
fprintf (file, "\n/* The release status of this shell. */\n");
fprintf (file, "#define RELSTATUS \"%s\"\n", status);
}
fprintf (file, "\n/* A version string for use by sccs and the what command. */\n\n");
if (status)
fprintf (file, "#define SCCSVERSION \"@(#)Bash version %.2f.%d(%d) %s GNU\"\n\n",
distver, patchlevel, buildver, status);
else
fprintf (file, "#define SCCSVERSION \"@(#)Bash version %.2f.%d(%d) GNU\"\n\n",
distver, patchlevel, buildver);
fclose (file);
file = must_open (".build", "w");
fprintf (file, "%d\n", buildver);
fclose (file);
/* Making a new distribution. */
if (dist)
{
file = must_open (".distribution", "w");
fprintf (file, "%.2f\n", distver);
fclose (file);
}
/* Releasing a new patch level. */
if (patch)
{
file = must_open (".patchlevel", "w");
fprintf (file, "%d\n", patchlevel);
fclose (file);
}
exit (0);
}
char *
makename (fn, from_srcdir)
char *fn;
{
char *ret;
int dlen;
dlen = (from_srcdir && dir) ? strlen (dir) + 1 : 0;
ret = (char *)malloc (dlen + strlen (fn) + 1);
if (ret == 0)
{
fprintf (stderr, "%s: malloc failed\n", progname);
exit (1);
}
if (from_srcdir && dir)
sprintf (ret, "%s/%s", dir, fn);
else
(void)strcpy (ret, fn);
return ret;
}
get_float_from_file (filename, var, from_srcdir)
char *filename;
float *var;
int from_srcdir;
{
FILE *stream;
int result;
char *name;
name = makename (filename, from_srcdir);
stream = fopen (name, "r");
free (name);
if (stream == (FILE *)NULL)
return (0);
result = fscanf (stream, "%f\n", var);
fclose (stream);
return (result == 1);
}
get_int_from_file (filename, var, from_srcdir)
char *filename;
int *var, from_srcdir;
{
FILE *stream;
int result;
char *name;
name = makename (filename, from_srcdir);
stream = fopen (name, "r");
free (name);
if (stream == (FILE *)NULL)
return (0);
result = fscanf (stream, "%d\n", var);
fclose (stream);
return (result == 1);
}
FILE *
must_open (name, mode)
char *name, *mode;
{
FILE *temp = fopen (name, mode);
if (!temp)
{
fprintf (stderr, "%s: Cannot open `%s' for mode `%s'.\n",
progname, name, mode);
fprintf
(stderr,
"Perhaps you don't have %s permission to the file or directory.\n",
(strcmp (mode, "w") == 0) ? "write" : "read");
exit (3);
}
return (temp);
}