diff options
Diffstat (limited to 'stdlib')
| -rw-r--r-- | stdlib/Makefile | 10 | ||||
| -rw-r--r-- | stdlib/tst-qsort.c | 42 |
2 files changed, 47 insertions, 5 deletions
diff --git a/stdlib/Makefile b/stdlib/Makefile index 5c91f26d36..bfb8e1f78c 100644 --- a/stdlib/Makefile +++ b/stdlib/Makefile @@ -1,4 +1,4 @@ -# Copyright (C) 1991-1999, 2000, 2001 Free Software Foundation, Inc. +# Copyright (C) 1991-1999, 2000, 2001, 2002 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or @@ -56,10 +56,10 @@ static-only-routines = atexit distribute := exit.h grouping.h abort-instr.h isomac.c tst-fmtmsg.sh test-srcs := tst-fmtmsg -tests := tst-strtol tst-strtod testmb testrand testsort testdiv \ - test-canon test-canon2 tst-strtoll tst-environ \ - tst-xpg-basename tst-random tst-bsearch tst-limits \ - tst-rand48 bug-strtod tst-setcontext test-a64l +tests := tst-strtol tst-strtod testmb testrand testsort testdiv \ + test-canon test-canon2 tst-strtoll tst-environ \ + tst-xpg-basename tst-random tst-bsearch tst-limits \ + tst-rand48 bug-strtod tst-setcontext test-a64l tst-qsort # Several mpn functions from GNU MP are used by the strtod function. diff --git a/stdlib/tst-qsort.c b/stdlib/tst-qsort.c new file mode 100644 index 0000000000..f39667b17c --- /dev/null +++ b/stdlib/tst-qsort.c @@ -0,0 +1,42 @@ +/* Test case by Paul Eggert <eggert@twinsun.com> */ +#include <stdio.h> +#include <stdlib.h> + +struct big { char c[4 * 1024]; }; + +struct big *array; +struct big *array_end; + +int +compare (void const *a1, void const *b1) +{ + struct big const *a = a1; + struct big const *b = b1; + if (! (array <= a && a < array_end + && array <= b && b < array_end)) + { + exit (EXIT_FAILURE); + } + return b->c[0] - a->c[0]; +} + +int +main (int argc, char **argv) +{ + size_t i; + size_t array_members = argv[1] ? atoi (argv[1]) : 50; + array = (struct big *) malloc (array_members * sizeof *array); + if (array == NULL) + { + puts ("no memory"); + exit (EXIT_FAILURE); + } + + array_end = array + array_members; + for (i = 0; i < array_members; i++) + array[i].c[0] = i % 128; + + qsort (array, array_members, sizeof *array, compare); + + return 0; +} |