mirror of
https://github.com/macports/macports-legacy-support.git
synced 2026-07-13 03:18:41 -07:00
Fred WrightandChristopher Nielsen
9071596ca2
Implements verbose option, and adjusts output accordingly. TESTED: Passes on all platforms. Output as expected.
100 lines
3.7 KiB
C
100 lines
3.7 KiB
C
/*
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* Copyright (c) 2019 Christian Cornelssen
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* Copyright (c) 2025 Frederick H. G. Wright II <fw@fwright.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* Deliberately declaring some potentially redefined names
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* before including the associated header file, to test robustness.
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*/
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/* Wrapper should work not only with calls, but with references as well */
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typedef long (*itol_t)(int);
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/* Renaming different objects should not affect functionality */
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typedef struct { long sysconf; } scv_t;
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typedef struct { itol_t sysconf; } scf_t;
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#include <assert.h>
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#include <libgen.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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int
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main(int argc, char *argv[])
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{
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int ret = 0, verbose = 0;
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char *progname = basename(argv[0]);
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if (argc > 1 && !strcmp(argv[1], "-v")) verbose = 1;
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if (verbose) printf("%s started\n", progname);
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/* Test with direct function call */
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long nconf = sysconf(_SC_NPROCESSORS_CONF);
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long nonln = sysconf(_SC_NPROCESSORS_ONLN);
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long nphyspages = sysconf(_SC_PHYS_PAGES);
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if (verbose) printf(" nconf = %ld; nonln = %ld;\n", nconf, nonln);
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assert (nconf > 0);
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assert (nonln > 0);
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if (verbose) printf(" sysconf(_SC_NPROCESSORS_XXXX) supported.\n");
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if (verbose) printf(" nphyspages = %ld\n", nphyspages);
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assert (nphyspages > 0);
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if (verbose) printf(" sysconf(_SC_PHYS_PAGES) supported.\n");
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if (verbose) printf(" Total system memory = %f GiB\n",
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((double)sysconf(_SC_PHYS_PAGES))
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* ((double)sysconf(_SC_PAGESIZE)/(1024*1024*1024)));
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/* Test with name (reference) only */
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{
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itol_t f = sysconf;
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assert (f(_SC_NPROCESSORS_CONF) == nconf);
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assert (f(_SC_NPROCESSORS_ONLN) == nonln);
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if (verbose) printf(" f = sysconf, f(_SC_NPROCESSORS_XXXX)"
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" supported.\n");
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assert (f(_SC_PHYS_PAGES) == nphyspages);
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if (verbose) printf(" f = sysconf, f(_SC_PHYS_PAGES) supported.\n");
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}
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/* Test with function macro disabler */
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assert ((sysconf)(_SC_NPROCESSORS_CONF) == nconf);
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assert ((sysconf)(_SC_NPROCESSORS_ONLN) == nonln);
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if (verbose) printf(" (sysconf)(_SC_NPROCESSORS_XXXX) supported.\n");
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assert ((sysconf)(_SC_PHYS_PAGES) == nphyspages);
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if (verbose) printf(" (sysconf)(_SC_PHYS_PAGES) supported.\n");
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/* Test with same-named fields */
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{
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scf_t scf = { sysconf };
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scv_t scv;
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scv.sysconf = scf.sysconf(_SC_NPROCESSORS_CONF);
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assert (scv.sysconf == nconf);
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scv.sysconf = scf.sysconf(_SC_NPROCESSORS_ONLN);
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assert (scv.sysconf == nonln);
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scv.sysconf = scf.sysconf(_SC_PHYS_PAGES);
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assert (scv.sysconf == nphyspages);
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if (verbose) printf(" scv.sysconf = scf.sysconf(_SC_NPROCESSORS_XXXX)"
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" supported.\n");
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if (verbose) printf(" scv.sysconf = scf.sysconf(_SC_PHYS_PAGES)"
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" supported.\n");
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}
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printf("%s %s.\n", progname, ret ? "failed" : "passed");
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return ret;
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}
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