scc

simple c99 compiler
git clone git://git.simple-cc.org/scc
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0059-wcsstr.c (518B)


      1 #include <assert.h>
      2 #include <stdio.h>
      3 #include <wchar.h>
      4 
      5 /*
      6 output:
      7 testing
      8 done
      9 end:
     10 */
     11 
     12 int
     13 main()
     14 {
     15 	wchar_t buf[30] = L"abc";
     16 
     17 	puts("testing");
     18 	assert(wcsstr(buf, L"abc") == buf);
     19 	assert(wcsstr(buf, L"bc") == buf + 1);
     20 	assert(wcsstr(buf, L"c") == buf + 2);
     21 	assert(wcsstr(buf, L"d") == NULL);
     22 	wcscpy(buf, L"ababc");
     23 	assert(wcsstr(buf, L"abc") == buf+2);
     24 	assert(wcsstr(L"", L"abc") == NULL);
     25 	assert(wcsstr(buf, L"") == buf);
     26 	buf[0] = '\0';
     27 	assert(wcsstr(buf, L"") == buf);
     28 	puts("done");
     29 
     30 	return 0;
     31 }
     32