OpenCoverage

progname.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/progname.c

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1 /* Program name management. -

3 Written by Bruno Haible <bruno@clisp.org>, 2001. -

4 -

5 This program is free software: you can redistribute it and/or modify -

6 it under the terms of the GNU General Public License as published by -

7 the Free Software Foundation; either version 3 of the License, or -

8 (at your option) any later version. -

9 -

10 This program is distributed in the hope that it will be useful, -

11 but WITHOUT ANY WARRANTY; without even the implied warranty of -

12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -

13 GNU General Public License for more details. -

14 -

15 You should have received a copy of the GNU General Public License -

16 along with this program. If not, see <https://www.gnu.org/licenses/>. */ -

17 -

18 -

19 #include <config.h> -

20 -

21 /* Specification. */ -

22 #undef ENABLE_RELOCATABLE /* avoid defining set_program_name as a macro */ -

23 #include "progname.h" -

24 -

25 #include <errno.h> /* get program_invocation_name declaration */ -

26 #include <stdio.h> -

27 #include <stdlib.h> -

28 #include <string.h> -

29 -

30 -

31 /* String containing name the program is called with. -

32 To be initialized by main(). */ -

33 const char *program_name = NULL; -

34 -

35 /* Set program_name, based on argv[0]. -

36 argv0 must be a string allocated with indefinite extent, and must not be -

37 modified after this call. */ -

38 void -

39 set_program_name (const char *argv0) -

40 { -

41 /* libtool creates a temporary executable whose name is sometimes prefixed -

42 with "lt-" (depends on the platform). It also makes argv[0] absolute. -

43 But the name of the temporary executable is a detail that should not be -

44 visible to the end user and to the test suite. -

45 Remove this "<dirname>/.libs/" or "<dirname>/.libs/lt-" prefix here. */ -

46 const char *slash; -

47 const char *base; -

48 -

49 /* Sanity check. POSIX requires the invoking process to pass a non-NULL -

50 argv[0]. */ -

if (argv0 == NULL)

argv0 == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 38499 times by 106 tests Evaluated by: [ b2sum base32 base64 basename cat chcon chgrp chmod chown chroot cksum comm cp csplit cut date dd df dir dircolors dirname du echo env ...

0-38499

52 { -

53 /* It's a bug in the invoking program. Help diagnosing it. */ -

54 fputs ("A NULL argv[0] was passed through an exec system call.\n", -

55 stderr); -

abort ();

never executed: abort ();

57 } -

58 -

59 slash = strrchr (argv0, '/'); -

base = (slash != NULL ? slash + 1 : argv0);

slash != ((void *)0)	Description
TRUE	evaluated 220 times by 105 tests Evaluated by: [ b2sum base32 base64 basename cat chcon chgrp chmod chown chroot cksum comm cp csplit cut date dd df dir dircolors dirname du echo env ...
FALSE	evaluated 38279 times by 106 tests Evaluated by: [ b2sum base32 base64 basename cat chcon chgrp chmod chown chroot cksum comm cp csplit cut date dd df dir dircolors dirname du echo env ...

220-38279

if (base - argv0 >= 7 && strncmp (base - 7, "/.libs/", 7) == 0)

never executed: __result = (((const unsigned char *) (const char *) ( base - 7 ))[3] - __s2[3]);

never executed: end of block

never executed: __result = (((const unsigned char *) (const char *) ( "/.libs/" ))[3] - __s2[3]);

never executed: end of block

base - argv0 >= 7	Description
TRUE	evaluated 220 times by 105 tests Evaluated by: [ b2sum base32 base64 basename cat chcon chgrp chmod chown chroot cksum comm cp csplit cut date dd df dir dircolors dirname du echo env ...
FALSE	evaluated 38279 times by 106 tests Evaluated by: [ b2sum base32 base64 basename cat chcon chgrp chmod chown chroot cksum comm cp csplit cut date dd df dir dircolors dirname du echo env ...

(__extension__..." , 7 ))) == 0	Description
TRUE	never evaluated
FALSE	evaluated 220 times by 105 tests Evaluated by: [ b2sum base32 base64 basename cat chcon chgrp chmod chown chroot cksum comm cp csplit cut date dd df dir dircolors dirname du echo env ...

__builtin_constant_p ( 7 )	Description
TRUE	evaluated 220 times by 105 tests Evaluated by: [ b2sum base32 base64 basename cat chcon chgrp chmod chown chroot cksum comm cp csplit cut date dd df dir dircolors dirname du echo env ...
FALSE	never evaluated

__builtin_cons...p ( base - 7 )	Description
TRUE	never evaluated
FALSE	evaluated 220 times by 105 tests Evaluated by: [ b2sum base32 base64 basename cat chcon chgrp chmod chown chroot cksum comm cp csplit cut date dd df dir dircolors dirname du echo env ...

strlen ( base ...size_t) ( 7 ))	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_cons... ( "/.libs/" )	Description
TRUE	evaluated 220 times by 105 tests Evaluated by: [ b2sum base32 base64 basename cat chcon chgrp chmod chown chroot cksum comm cp csplit cut date dd df dir dircolors dirname du echo env ...
FALSE	never evaluated

strlen ( "/.li...size_t) ( 7 ))	Description
TRUE	never evaluated
FALSE	evaluated 220 times by 105 tests Evaluated by: [ b2sum base32 base64 basename cat chcon chgrp chmod chown chroot cksum comm cp csplit cut date dd df dir dircolors dirname du echo env ...

__s1_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0-38279

62 { -

63 argv0 = base; -

if (strncmp (base, "lt-", 3) == 0)

never executed: __result = (((const unsigned char *) (const char *) ( base ))[3] - __s2[3]);

never executed: end of block

never executed: __result = (((const unsigned char *) (const char *) ( "lt-" ))[3] - __s2[3]);

never executed: end of block

(__extension__..." , 3 ))) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_constant_p ( 3 )	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_constant_p ( base )	Description
TRUE	never evaluated
FALSE	never evaluated

strlen ( base ...size_t) ( 3 ))	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_constant_p ( "lt-" )	Description
TRUE	never evaluated
FALSE	never evaluated

strlen ( "lt-"...size_t) ( 3 ))	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

65 { -

66 argv0 = base + 3; -

67 /* On glibc systems, remove the "lt-" prefix from the variable -

68 program_invocation_short_name. */ -

69 #if HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME -

70 program_invocation_short_name = (char *) argv0; -

71 #endif -

}

never executed: end of block

}

never executed: end of block

74 -

75 /* But don't strip off a leading <dirname>/ in general, because when the user -

76 runs -

77 /some/hidden/place/bin/cp foo foo -

78 he should get the error message -

79 /some/hidden/place/bin/cp: `foo' and `foo' are the same file -

80 not -

81 cp: `foo' and `foo' are the same file -

82 */ -

83 -

84 program_name = argv0; -

85 -

86 /* On glibc systems, the error() function comes from libc and uses the -

87 variable program_invocation_name, not program_name. So set this variable -

88 as well. */ -

89 #if HAVE_DECL_PROGRAM_INVOCATION_NAME -

90 program_invocation_name = (char *) argv0; -

91 #endif -

}

executed 38499 times by 106 tests: end of block

Executed by:

[
b2sum
base32
base64
basename
cat
chcon
chgrp
chmod
chown
chroot
cksum
comm
cp
csplit
cut
date
dd
df
dir
dircolors
dirname
du
echo
env
...

38499

Source code

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