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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 17:54:12 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 17:54:12 +0000 |
commit | b527294153be3b79563c82c66102adc0004736c0 (patch) | |
tree | 9b423a224848441885190b5ea7cf0feb23510c9d /libraries/liblutil/getopt.c | |
parent | Initial commit. (diff) | |
download | openldap-b527294153be3b79563c82c66102adc0004736c0.tar.xz openldap-b527294153be3b79563c82c66102adc0004736c0.zip |
Adding upstream version 2.6.7+dfsg.upstream/2.6.7+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | libraries/liblutil/getopt.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/libraries/liblutil/getopt.c b/libraries/liblutil/getopt.c new file mode 100644 index 0000000..bc3feba --- /dev/null +++ b/libraries/liblutil/getopt.c @@ -0,0 +1,136 @@ +/* getopt.c -- replacement getopt(3) routines */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 1998-2022 The OpenLDAP Foundation. + * Portions Copyright 1998-2003 Kurt D. Zeilenga. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * <http://www.OpenLDAP.org/license.html>. + */ +/* This work is based upon the public-domain getopt(3) routines + * developed by AT&T. Modified by Kurt D. Zeilenga for inclusion + * into OpenLDAP Software. Significant contributors include: + * Howard Chu + */ + +#include "portable.h" + +#ifndef HAVE_GETOPT + +#include <stdio.h> + +#include <ac/string.h> +#include <ac/unistd.h> + +#ifdef HAVE_IO_H +#include <io.h> +#endif + +#include "lutil.h" + +#ifndef STDERR_FILENO +#define STDERR_FILENO 2 +#endif + +int opterr = 1; +int optind = 1; +int optopt; +char * optarg; + +#ifdef HAVE_EBCDIC +extern int _trans_argv; +#endif + +static void ERR (char * const argv[], const char * s, char c) +{ +#ifdef DF_TRACE_DEBUG +printf("DF_TRACE_DEBUG: static void ERR () in getopt.c\n"); +#endif + if (opterr) + { + char *ptr, outbuf[4096]; + + ptr = lutil_strncopy(outbuf, argv[0], sizeof(outbuf) - 2); + ptr = lutil_strncopy(ptr, s, sizeof(outbuf)-2 -(ptr-outbuf)); + *ptr++ = c; + *ptr++ = '\n'; +#ifdef HAVE_EBCDIC + __atoe_l(outbuf, ptr - outbuf); +#endif + (void) write(STDERR_FILENO,outbuf,ptr - outbuf); + } +} + +int getopt (int argc, char * const argv [], const char * opts) +{ + static int sp = 1, error = (int) '?'; + static char sw = '-', eos = '\0', arg = ':'; + register char c, * cp; + +#ifdef DF_TRACE_DEBUG +printf("DF_TRACE_DEBUG: int getopt () in getopt.c\n"); +#endif + +#ifdef HAVE_EBCDIC + if (_trans_argv) { + int i; + for (i=0; i<argc; i++) __etoa(argv[i]); + _trans_argv = 0; + } +#endif + if (sp == 1) + { + if (optind >= argc || argv[optind][0] != sw + || argv[optind][1] == eos) + return EOF; + else if (strcmp(argv[optind],"--") == 0) + { + optind++; + return EOF; + } + } + c = argv[optind][sp]; + optopt = (int) c; + if (c == arg || (cp = strchr(opts,c)) == NULL) + { + ERR(argv,_(": illegal option--"),c); + if (argv[optind][++sp] == eos) + { + optind++; + sp = 1; + } + return error; + } + else if (*++cp == arg) + { + if (argv[optind][sp + 1] != eos) + optarg = &argv[optind++][sp + 1]; + else if (++optind >= argc) + { + ERR(argv,_(": option requires an argument--"),c); + sp = 1; + return error; + } + else + optarg = argv[optind++]; + sp = 1; + } + else + { + if (argv[optind][++sp] == eos) + { + sp = 1; + optind++; + } + optarg = NULL; + } + return (int) c; +} +#endif /* HAVE_GETOPT */ |