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https://github.com/Zenithsiz/ftmemsim-valgrind.git
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4fb52a67b5
Add function checks to configure.ac Use the configure HAVE_ macro rather than OS-dependent tests. I suspect that a lot of the tests hve been obsolete for many years. Add wrappers to FreeBSD. :w
67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
// This tests --mode=copy with various copying functions.
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#define _GNU_SOURCE // For mempcpy.
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#include <strings.h>
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#include "../../config.h"
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void f(char* a, char* b, wchar_t* wa, wchar_t* wb);
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void test_malloc();
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int main(void) {
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char a[1000];
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char b[1000];
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for (int i = 0; i < 1000; i++) {
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a[i] = 'a';
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b[i] = 'b';
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}
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a[999] = '\0';
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b[999] = '\0';
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wchar_t wa[250];
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wchar_t wb[250];
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for (int i = 0; i < 250; i++) {
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wa[i] = L'A';
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wb[i] = L'B';
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}
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wa[249] = L'\0';
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wb[249] = L'\0';
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for (int i = 0; i < 100; i++) {
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f(a, b, wa, wb);
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}
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test_malloc();
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return 0;
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}
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void f(char* a, char* b, wchar_t* wa, wchar_t* wb) {
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// The memcpy is duplicated so we have 10 calls, which makes for nice round
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// numbers in the totals.
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memcpy (a, b, 1000); // Redirects to memmove
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memcpy (a, b, 1000); // Redirects to memmove
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memmove(a, b, 1000);
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#if defined(HAVE_MEMPCPY)
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mempcpy(a, b, 1000);
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#else
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memcpy(a, b, 1000);
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#endif
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bcopy (a, b, 1000); // Redirects to memmove
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strcpy (a, b);
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strncpy(a, b, 1000);
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stpcpy (a, b); // Redirects to strcpy
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stpncpy(a, b, 1000);
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wcscpy (wa, wb);
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}
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void test_malloc() {
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// At one point malloc was broken with --mode=copy(!), and Valgrind was
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// printing messages like "VG_USERREQ__CLIENT_CALL1: func=0x0" when malloc
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// was called. So check that it's basically working...
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char* p = malloc(100);
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p = realloc(p, 200);
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free(p);
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}
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