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0019-strncat.c - scc - simple c99 compiler
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---
0019-strncat.c (830B)
---
1 #include <assert.h>
2 #include <stdio.h>
3 #include <string.h>
4
5 /*
6 output:
7 testing
8 test1
9 test2
10 test3
11 test4
12 test5
13 done
14 end:
15 */
16
17 int
18 main()
19 {
20 char *s, buf[40], buf2[40];
21
22 puts("testing");
23
24 puts("test1");
25 strcpy(buf, "01234");
26 s = strncat(buf, "567", 8);
27 assert(s == buf);
28 assert(!strcmp(s, "01234567"));
29
30 puts("test2");
31 strcpy(buf, "01234");
32 s = strncat(buf, "567", 2);
33 assert(s == buf);
34 assert(!strcmp(s, "0123456"));
35
36 puts("test3");
37 strcpy(buf, "01234");
38 memcpy(buf2, "567", 3);
39 s = strncat(buf, buf2, 3);
40 assert(s == buf);
41 assert(!strcmp(s, "01234567"));
42
43 puts("test4");
44 strcpy(buf, "01234");
45 s = strncat(buf, "", 7);
46 assert(s == buf);
47 assert(!strcmp(s, "01234"));
48
49 puts("test5");
50 strcpy(buf, "01234");
51 s = strncat(buf, "", 0);
52 assert(s == buf);
53 assert(!strcmp(s, "01234"));
54
55 puts("done");
56
57 return 0;
58 }