* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
138 lines
3.3 KiB
C
138 lines
3.3 KiB
C
/****************************************************************
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The author of this software is David M. Gay.
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Copyright (C) 2001 by Lucent Technologies
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and
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its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of Lucent or any of its entities
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not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior
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permission.
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LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
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IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
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SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
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IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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THIS SOFTWARE.
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****************************************************************/
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/* Please send bug reports to David M. Gay (dmg at acm dot org,
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* with " at " changed at "@" and " dot " changed to "."). */
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/* Test strtod. */
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/* On stdin, read triples: d x y:
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* d = decimal string
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* x = high-order Hex value expected from strtod
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* y = low-order Hex value
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* Complain about errors.
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*/
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#include "gdtoa.h" /* for ULong */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static int W0, W1;
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typedef union {
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double d;
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ULong L[2];
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} U;
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#define UL (unsigned long)
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static int
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process(char *fname, FILE *f)
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{
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U a, b;
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char buf[2048];
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char *s, *s1, *se;
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int line, n;
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line = n = 0;
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top:
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while(fgets(s = buf, sizeof(buf), f)) {
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line++;
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while(*s <= ' ')
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if (!*s++)
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goto top; /* break 2 */
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if (*s == '#')
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continue;
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while(*s > ' ')
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s++;
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/* if (sscanf(s,"\t%lx\t%lx", &a.L[0], &a.L[1]) != 2) */
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if ((a.L[0] = (ULong)strtoul(s, &s1,16), s1 <= s)
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|| (a.L[1] = (ULong)strtoul(s1,&se,16), se <= s1)) {
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printf("Badly formatted line %d of %s\n",
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line, fname);
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n++;
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continue;
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}
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b.d = strtod(buf,0);
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if (b.L[W0] != a.L[0] || b.L[W1] != a.L[1]) {
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n++;
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printf("Line %d of %s: got %lx %lx; expected %lx %lx\n",
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line, fname, UL b.L[W0], UL b.L[W1], UL a.L[0], UL a.L[1]);
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}
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}
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return n;
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}
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int
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main(int argc, char **argv)
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{
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FILE *f;
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char *prog, *s;
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int n, rc;
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U u;
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prog = argv[0];
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if (argc == 2 && !strcmp(argv[1],"-?")) {
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fprintf(stderr, "Usage: %s [file [file...]]\n"
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"\tto read data file(s) of tab-separated triples d x y with\n"
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"\t\td decimal string\n"
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"\t\tx = high-order Hex value expected from strtod\n"
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"\t\ty = low-order Hex value\n"
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"\tComplain about errors by strtod.\n"
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"\tIf no files, read triples from stdin.\n",
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prog);
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return 0;
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}
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/* determine endian-ness */
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u.d = 1.;
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W0 = u.L[0] == 0;
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W1 = 1 - W0;
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/* test */
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n = rc = 0;
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if (argc <= 1)
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n = process("<stdin>", stdin);
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else
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while((s = *++argv))
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if ((f = fopen(s,"r"))) {
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n += process(s, f);
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fclose(f);
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}
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else {
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rc = 2;
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fprintf(stderr, "Cannot open %s\n", s);
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}
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printf("%d bad conversions\n", n);
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if (n)
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rc |= 1;
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return rc;
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}
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