illumos-port-bash/support/mksignames.c

112 lines
2.6 KiB
C

/* mksignames.c -- Create and write `signames.h', which contains an array of
signal names. */
/* Copyright (C) 1992-2020 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <sys/types.h>
#include <signal.h>
#include <stdio.h>
#if defined (HAVE_STDLIB_H)
# include <stdlib.h>
#else
# include "ansi_stdlib.h"
#endif /* HAVE_STDLIB_H */
/* Duplicated from signames.c */
#if !defined (NSIG)
# define NSIG 64
#endif
#define LASTSIG NSIG+2
/* Imported from signames.c */
extern void initialize_signames ();
extern char *signal_names[];
char *progname;
void
write_signames (stream)
FILE *stream;
{
register int i;
fprintf (stream, "/* This file was automatically created by %s.\n",
progname);
fprintf (stream, " Do not edit. Edit support/mksignames.c instead. */\n\n");
fprintf (stream,
"/* A translation list so we can be polite to our users. */\n");
#if defined (CROSS_COMPILING)
fprintf (stream, "extern char *signal_names[];\n\n");
fprintf (stream, "extern void initialize_signames PARAMS((void));\n\n");
#else
fprintf (stream, "char *signal_names[NSIG + 4] = {\n");
for (i = 0; i <= LASTSIG; i++)
fprintf (stream, " \"%s\",\n", signal_names[i]);
fprintf (stream, " (char *)0x0\n");
fprintf (stream, "};\n\n");
fprintf (stream, "#define initialize_signames()\n\n");
#endif
}
int
main (argc, argv)
int argc;
char **argv;
{
char *stream_name;
FILE *stream;
progname = argv[0];
if (argc == 1)
{
stream_name = "stdout";
stream = stdout;
}
else if (argc == 2)
{
stream_name = argv[1];
stream = fopen (stream_name, "w");
}
else
{
fprintf (stderr, "Usage: %s [output-file]\n", progname);
exit (1);
}
if (!stream)
{
fprintf (stderr, "%s: %s: cannot open for writing\n",
progname, stream_name);
exit (2);
}
#if !defined (CROSS_COMPILING)
initialize_signames ();
#endif
write_signames (stream);
exit (0);
}