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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:38:56 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:38:56 +0000 |
commit | 6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321 (patch) | |
tree | f63ce19d57fad3ac4a15bc26dbfbfa2b834111b5 /support/xcase.c | |
parent | Initial commit. (diff) | |
download | bash-6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321.tar.xz bash-6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321.zip |
Adding upstream version 5.2.15.upstream/5.2.15upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'support/xcase.c')
-rw-r--r-- | support/xcase.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/support/xcase.c b/support/xcase.c new file mode 100644 index 0000000..527840d --- /dev/null +++ b/support/xcase.c @@ -0,0 +1,98 @@ +/* xcase - change uppercase characters to lowercase or vice versa. */ + +/* Copyright (C) 2008,2009 Free Software Foundation, Inc. + + This file is part of GNU Bash. + + 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/>. +*/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <ctype.h> + +#if HAVE_UNISTD_H +#include <unistd.h> +#endif + +#include "bashansi.h" +#include <errno.h> + +#ifndef errno +extern int errno; +#endif + +extern int optind; + +#define LOWER 1 +#define UPPER 2 + +int +main(ac, av) +int ac; +char **av; +{ + int c, x; + int op; + FILE *inf; + + op = 0; + while ((c = getopt(ac, av, "lnu")) != EOF) { + switch (c) { + case 'n': + setbuf (stdout, (char *)NULL); + break; + case 'u': + op = UPPER; + break; + case 'l': + op = LOWER; + break; + default: + fprintf(stderr, "casemod: usage: casemod [-lnu] [file]\n"); + exit(2); + } + } + av += optind; + ac -= optind; + + if (av[0] && (av[0][0] != '-' || av[0][1])) { + inf = fopen(av[0], "r"); + if (inf == 0) { + fprintf(stderr, "casemod: %s: cannot open: %s\n", av[0], strerror(errno)); + exit(1); + } + } else + inf = stdin; + + while ((c = getc(inf)) != EOF) { + switch (op) { + case UPPER: + x = islower(c) ? toupper(c) : c; + break; + case LOWER: + x = isupper(c) ? tolower(c) : c; + break; + default: + x = c; + break; + } + putchar(x); + } + + exit(0); +} |