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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:49:25 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:49:25 +0000 |
commit | 464df1d5e5ab1322e2dd0a7796939fff1aeefa9a (patch) | |
tree | 6a403684e0978f0287d7f0ec0e5aab1fd31a59e1 /lib/et/et_name.c | |
parent | Initial commit. (diff) | |
download | e2fsprogs-464df1d5e5ab1322e2dd0a7796939fff1aeefa9a.tar.xz e2fsprogs-464df1d5e5ab1322e2dd0a7796939fff1aeefa9a.zip |
Adding upstream version 1.47.0.upstream/1.47.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/et/et_name.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/et/et_name.c b/lib/et/et_name.c new file mode 100644 index 0000000..d9a3e87 --- /dev/null +++ b/lib/et/et_name.c @@ -0,0 +1,43 @@ +/* + * Copyright 1987 by MIT Student Information Processing Board + * + * Permission to use, copy, modify, and distribute this software and + * its documentation for any purpose is hereby granted, provided that + * the names of M.I.T. and the M.I.T. S.I.P.B. not be used in + * advertising or publicity pertaining to distribution of the software + * without specific, written prior permission. M.I.T. and the + * M.I.T. S.I.P.B. make no representations about the suitability of + * this software for any purpose. It is provided "as is" without + * express or implied warranty. + */ + +#include "config.h" +#include "com_err.h" +#include "error_table.h" +#include "internal.h" + +static const char char_set[] = + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_"; + +static char buf[6]; + +const char * error_table_name(errcode_t num) +{ + int ch; + int i; + char *p; + + /* num = aa aaa abb bbb bcc ccc cdd ddd d?? ??? ??? */ + p = buf; + num >>= ERRCODE_RANGE; + /* num = ?? ??? ??? aaa aaa bbb bbb ccc ccc ddd ddd */ + num &= 077777777L; + /* num = 00 000 000 aaa aaa bbb bbb ccc ccc ddd ddd */ + for (i = 4; i >= 0; i--) { + ch = (int)((num >> BITS_PER_CHAR * i) & ((1 << BITS_PER_CHAR) - 1)); + if (ch != 0) + *p++ = char_set[ch-1]; + } + *p = '\0'; + return(buf); +} |