basename-lgpl.c

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/* basename.c -- return the last element in a file name

Foundation, Inc.

This program 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.

This program 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 this program. If not, see <https://www.gnu.org/licenses/>. */

#include <config.h>

#include "dirname.h"

#include <string.h>

/* Return the address of the last file name component of NAME. If

NAME has no relative file name components because it is a file

system root, return the empty string. */

char *

last_component (char const *name)

{

char const *base = name + FILE_SYSTEM_PREFIX_LEN (name);

char const *p;

bool saw_slash = false;

while (ISSLASH (*base))

((*base) == '/')	Description
TRUE	evaluated 12632 times by 12 tests Evaluated by: basename cp dircolors dirname ginstall ln mktemp mv rm rmdir stdbuf tac
FALSE	evaluated 147069 times by 17 tests Evaluated by: basename cp dircolors dirname ginstall ln ls mktemp mv rm rmdir shred split stdbuf tac tail vdir

12632-147069

base++;

executed 12632 times by 12 tests: base++;

Executed by:

basename
cp
dircolors
dirname
ginstall
ln
mktemp
mv
rm
rmdir
stdbuf
tac

12632

for (p = base; *p; p++)

*p	Description
TRUE	evaluated 4194796 times by 17 tests Evaluated by: basename cp dircolors dirname ginstall ln ls mktemp mv rm rmdir shred split stdbuf tac tail vdir
FALSE	evaluated 147069 times by 17 tests Evaluated by: basename cp dircolors dirname ginstall ln ls mktemp mv rm rmdir shred split stdbuf tac tail vdir

147069-4194796

{

if (ISSLASH (*p))

((*p) == '/')	Description
TRUE	evaluated 115906 times by 15 tests Evaluated by: basename cp dircolors dirname ginstall ln ls mktemp mv rm rmdir split stdbuf tac tail
FALSE	evaluated 4078890 times by 17 tests Evaluated by: basename cp dircolors dirname ginstall ln ls mktemp mv rm rmdir shred split stdbuf tac tail vdir

115906-4078890

saw_slash = true;

executed 115906 times by 15 tests: saw_slash = 1 ;

Executed by:

basename
cp
dircolors
dirname
ginstall
ln
ls
mktemp
mv
rm
rmdir
split
stdbuf
tac
tail

115906

else if (saw_slash)

saw_slash	Description
TRUE	evaluated 115839 times by 15 tests Evaluated by: basename cp dircolors dirname ginstall ln ls mktemp mv rm rmdir split stdbuf tac tail
FALSE	evaluated 3963051 times by 17 tests Evaluated by: basename cp dircolors dirname ginstall ln ls mktemp mv rm rmdir shred split stdbuf tac tail vdir

115839-3963051

{

base = p;

saw_slash = false;

}

executed 115839 times by 15 tests: end of block

Executed by:

basename
cp
dircolors
dirname
ginstall
ln
ls
mktemp
mv
rm
rmdir
split
stdbuf
tac
tail

115839

}

executed 4194796 times by 17 tests: end of block

Executed by:

basename
cp
dircolors
dirname
ginstall
ln
ls
mktemp
mv
rm
rmdir
shred
split
stdbuf
tac
tail
vdir

4194796

return (char *) base;

executed 147069 times by 17 tests: return (char *) base;

Executed by:

basename
cp
dircolors
dirname
ginstall
ln
ls
mktemp
mv
rm
rmdir
shred
split
stdbuf
tac
tail
vdir

147069

}

/* Return the length of the basename NAME. Typically NAME is the

value returned by base_name or last_component. Act like strlen

(NAME), except omit all trailing slashes. */

size_t

base_len (char const *name)

{

size_t len;

size_t prefix_len = FILE_SYSTEM_PREFIX_LEN (name);

for (len = strlen (name); 1 < len && ISSLASH (name[len - 1]); len--)

1 < len	Description
TRUE	evaluated 136549 times by 9 tests Evaluated by: basename cp ginstall ln mktemp mv rmdir shred tac
FALSE	evaluated 518 times by 9 tests Evaluated by: basename cp ginstall ln ls mktemp mv rmdir shred

((name[len - 1]) == '/')	Description
TRUE	evaluated 52 times by 6 tests Evaluated by: basename cp ginstall ln mv rmdir
FALSE	evaluated 136497 times by 9 tests Evaluated by: basename cp ginstall ln mktemp mv rmdir shred tac

52-136549

continue;

executed 52 times by 6 tests: continue;

Executed by:

basename
cp
ginstall
ln
mv
rmdir

if (DOUBLE_SLASH_IS_DISTINCT_ROOT && len == 1

dead code: len == 1

&& ISSLASH (name[0]) && ISSLASH (name[1]) && ! name[2])

dead code: ((name[0]) == '/')

dead code: ((name[1]) == '/')

dead code: ! name[2]

dead code: return 2;

return 2;

dead code: return 2;

if (FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE && prefix_len

dead code: prefix_len

&& len == prefix_len && ISSLASH (name[prefix_len]))

dead code: len == prefix_len

dead code: ((name[prefix_len]) == '/')

dead code: return prefix_len + 1;

return prefix_len + 1;

dead code: return prefix_len + 1;

return len;

executed 137015 times by 10 tests: return len;

Executed by:

basename
cp
ginstall
ln
ls
mktemp
mv
rmdir
shred
tac

137015

}