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61b2dbb8f5
Do not allow numbers greated than INT64_MAX and smaller than INT64_MIN. Clarify the positive sign value by prefixing it with an explicit +. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=66909
78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
/*
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* Copyright © 2013 Guillem Jover <guillem@hadrons.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <assert.h>
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#include <errno.h>
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#include <stdlib.h>
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int
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main(int argc, char **argv)
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{
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uint64_t uval;
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int64_t val;
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assert(expand_number("512", &uval) == 0);
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assert(uval == 512);
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assert(expand_number("512b", &uval) == 0);
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assert(uval == 512);
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assert(expand_number("10k", &uval) == 0);
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assert(uval == 10240);
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assert(expand_number("20M", &uval) == 0);
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assert(uval == 20971520);
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assert(dehumanize_number("512", &val) == 0);
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assert(val == 512);
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assert(dehumanize_number("512b", &val) == 0);
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assert(val == 512);
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assert(dehumanize_number("10k", &val) == 0);
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assert(val == 10240);
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assert(dehumanize_number("20M", &val) == 0);
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assert(val == 20971520);
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assert(dehumanize_number("-3G", &val) == 0);
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assert(val == -3221225472LL);
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assert(dehumanize_number("9223372036854775807", &val) == 0);
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assert(val == INT64_MAX);
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assert(dehumanize_number("9223372036854775808", &val) == -1);
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assert(errno == ERANGE);
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assert(dehumanize_number("-9223372036854775808", &val) == 0);
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assert(val == INT64_MIN);
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assert(dehumanize_number("-9223372036854775809", &val) == -1);
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assert(errno == ERANGE);
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return 0;
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}
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