xdectoint.c #2

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/coreutils/src/gl/lib/xdectoint.c

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Source

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/* Convert decimal strings with bounds checking and exit on error.

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 "xdectoint.h"

#include <errno.h>

#include <inttypes.h>

#include <stdlib.h>

#include "error.h"

#include "quote.h"

#include "xstrtol.h"

/* Parse numeric string N_STR of base BASE, and return the value.

Exit on parse error or if MIN or MAX are exceeded.

Strings can have multiplicative SUFFIXES if specified.

ERR is printed along with N_STR on error. */

__xdectoint_t

__xnumtoint (const char *n_str, int base, __xdectoint_t min, __xdectoint_t max,

const char *suffixes, const char *err, int err_exit)

{

strtol_error s_err;

__xdectoint_t tnum;

s_err = __xstrtol (n_str, NULL, base, &tnum, suffixes);

if (s_err == LONGINT_OK)

s_err == LONGINT_OK	Description
TRUE	evaluated 4727 times by 13 tests Evaluated by: b2sum base32 base64 fmt fold head nproc pr shred shuf split tail truncate
FALSE	evaluated 96 times by 17 tests Evaluated by: b2sum base32 base64 csplit dir fmt fold head nl nproc pr shred shuf split tail truncate vdir

96-4727

{

if (tnum < min || max < tnum)

tnum < min	Description
TRUE	evaluated 9 times by 2 tests Evaluated by: pr split
FALSE	evaluated 4718 times by 13 tests Evaluated by: b2sum base32 base64 fmt fold head nproc pr shred shuf split tail truncate

max < tnum	Description
TRUE	evaluated 5 times by 2 tests Evaluated by: fmt split
FALSE	evaluated 4713 times by 13 tests Evaluated by: b2sum base32 base64 fmt fold head nproc pr shred shuf split tail truncate

5-4718

{

s_err = LONGINT_OVERFLOW;

/* Use have the INT range as a heuristic to distinguish

type overflow rather than other min/max limits. */

if (tnum > INT_MAX/2)

tnum > 0x7fffffff/2	Description
TRUE	evaluated 2 times by 2 tests Evaluated by: fmt split
FALSE	evaluated 12 times by 3 tests Evaluated by: fmt pr split

2-12

errno = EOVERFLOW;

executed 2 times by 2 tests: (*__errno_location ()) = 75 ;

Executed by:

fmt
split

#if __xdectoint_signed

else if (tnum < INT_MIN/2)

errno = EOVERFLOW;

#endif

else

errno = ERANGE;

executed 12 times by 3 tests: (*__errno_location ()) = 34 ;

Executed by:

fmt
pr
split

}

executed 4727 times by 13 tests: end of block

Executed by:

b2sum
base32
base64
fmt
fold
head
nproc
pr
shred
shuf
split
tail
truncate

4727

else if (s_err == LONGINT_OVERFLOW)

s_err == LONGINT_OVERFLOW	Description
TRUE	evaluated 10 times by 4 tests Evaluated by: pr split tail truncate
FALSE	evaluated 86 times by 17 tests Evaluated by: b2sum base32 base64 csplit dir fmt fold head nl nproc pr shred shuf split tail truncate vdir

10-86

errno = EOVERFLOW;

executed 10 times by 4 tests: (*__errno_location ()) = 75 ;

Executed by:

pr
split
tail
truncate

else if (s_err == LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW)

s_err == LONGI..._WITH_OVERFLOW	Description
TRUE	never evaluated
FALSE	evaluated 86 times by 17 tests Evaluated by: b2sum base32 base64 csplit dir fmt fold head nl nproc pr shred shuf split tail truncate vdir

0-86

errno = 0; /* Don't show ERANGE errors for invalid numbers. */

never executed: (*__errno_location ()) = 0;

if (s_err != LONGINT_OK)

s_err != LONGINT_OK	Description
TRUE	evaluated 110 times by 17 tests Evaluated by: b2sum base32 base64 csplit dir fmt fold head nl nproc pr shred shuf split tail truncate vdir
FALSE	evaluated 4713 times by 13 tests Evaluated by: b2sum base32 base64 fmt fold head nproc pr shred shuf split tail truncate

110-4713

{

/* EINVAL error message is redundant in this context. */

error (err_exit ? err_exit : EXIT_FAILURE, errno == EINVAL ? 0 : errno,

"%s: %s", err, quote (n_str));

}

never executed: end of block

return tnum;

executed 4713 times by 13 tests: return tnum;

Executed by:

b2sum
base32
base64
fmt
fold
head
nproc
pr
shred
shuf
split
tail
truncate

4713

}

/* Parse decimal string N_STR, and return the value.

Exit on parse error or if MIN or MAX are exceeded.

Strings can have multiplicative SUFFIXES if specified.

ERR is printed along with N_STR on error. */

__xdectoint_t

__xdectoint (const char *n_str, __xdectoint_t min, __xdectoint_t max,

const char *suffixes, const char *err, int err_exit)

{

return __xnumtoint (n_str, 10, min, max, suffixes, err, err_exit);

executed 4808 times by 15 tests: return xnumtoumax (n_str, 10, min, max, suffixes, err, err_exit);

Executed by:

b2sum
base32
base64
csplit
fmt
fold
head
nl
nproc
pr
shred
shuf
split
tail
truncate

4808

}

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