#define _BSD_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "test.h"
#ifndef min
#define min(a,b) ((a<b)?a:b)
#endif
size_t strlcpy(char *dst, const char *src, size_t size)
{
strncpy(dst
, src
, min
(size
, nsrc
+1));
if (size > 0 && nsrc >= size)
dst[size - 1] = '\0';
return nsrc;
}
size_t strlcat(char *dst, const char *src, size_t size)
{
if (size > ndest + 1)
{
strncat(dst
, src
, size
- ndest
- 1);
if (size > 0 && nsrc + ndest >= size)
dst[size - 1] = '\0';
}
return nsrc + ndest;
}
/* r = place to store result
* f = function call to test (or any expression)
* x = expected result
* m = message to print on failure (with formats for r & x)
**/
#define TEST(r, f, x, m) ( \
((r) = (f)) == (x) || \
(t_error("%s failed (" m ")\n", #f, r, x), 0) )
#define TEST_S(s, x, m) ( \
!strcmp((s),(x)) || \
(t_error("[%s] != [%s] (%s)\n", s, x, m), 0) )
int main(void)
{
char b[32];
char *s;
int i;
b[16]='a'; b[17]='b'; b[18]='c'; b[19]=0;
TEST
(s
, strcpy(b
, b
+16), b
, "wrong return %p != %p");
TEST_S(s, "abc", "strcpy gave incorrect string");
TEST
(s
, strcpy(b
+1, b
+16), b
+1, "wrong return %p != %p");
TEST_S(s, "abc", "strcpy gave incorrect string");
TEST
(s
, strcpy(b
+2, b
+16), b
+2, "wrong return %p != %p");
TEST_S(s, "abc", "strcpy gave incorrect string");
TEST
(s
, strcpy(b
+3, b
+16), b
+3, "wrong return %p != %p");
TEST_S(s, "abc", "strcpy gave incorrect string");
TEST
(s
, strcpy(b
+1, b
+17), b
+1, "wrong return %p != %p");
TEST_S(s, "bc", "strcpy gave incorrect string");
TEST
(s
, strcpy(b
+2, b
+18), b
+2, "wrong return %p != %p");
TEST_S(s, "c", "strcpy gave incorrect string");
TEST
(s
, strcpy(b
+3, b
+19), b
+3, "wrong return %p != %p");
TEST_S(s, "", "strcpy gave incorrect string");
TEST
(s
, memset(b
, 'x', sizeof b
), b
, "wrong return %p != %p");
TEST
(s
, strncpy(b
, "abc", sizeof b
- 1), b
, "wrong return %p != %p");
TEST
(i
, memcmp(b
, "abc\0\0\0\0", 8), 0, "strncpy fails to zero-pad dest");
TEST(i, b[sizeof b - 1], 'x', "strncpy overruns buffer when n > strlen(src)");
b[3] = 'x'; b[4] = 0;
TEST(i, b[2], 'c', "strncpy fails to copy last byte: %hhu != %hhu");
TEST(i, b[3], 'x', "strncpy overruns buffer to null-terminate: %hhu != %hhu");
TEST
(i
, !strncmp("abcd", "abce", 3), 1, "strncmp compares past n");
TEST
(i
, !!strncmp("abc", "abd", 3), 1, "strncmp fails to compare n-1st byte");
TEST
(s
, strncat(b
, "123456", 3), b
, "%p != %p");
TEST(i, b[6], 0, "strncat failed to null-terminate (%d)");
TEST_S(s, "abc123", "strncat gave incorrect string");
strcpy(b
, "aaababccdd0001122223");
TEST
(s
, strchr(b
, 'b'), b
+3, "%p != %p");
TEST
(s
, strrchr(b
, 'b'), b
+5, "%p != %p");
TEST
(i
, strspn(b
, "abcd"), 10, "%d != %d");
TEST
(i
, strcspn(b
, "0123"), 10, "%d != %d");
TEST
(s
, strpbrk(b
, "0123"), b
+10, "%d != %d");
strcpy(b
, "abc 123; xyz; foo");
TEST
(s
, strtok(b
, " "), b
, "%p != %p");
TEST_S(s, "abc", "strtok result");
TEST
(s
, strtok(NULL
, ";"), b
+4, "%p != %p");
TEST_S(s, " 123", "strtok result");
TEST
(s
, strtok(NULL
, " ;"), b
+11, "%p != %p");
TEST_S(s, "xyz", "strtok result");
TEST
(s
, strtok(NULL
, " ;"), b
+16, "%p != %p");
TEST_S(s, "foo", "strtok result");
TEST(i, strlcpy(b, "abc", sizeof b - 1), 3, "length %d != %d");
TEST(i, b[3], 0, "strlcpy did not null-terminate short string (%d)");
TEST(i, b[4], 'x', "strlcpy wrote extra bytes (%d)");
TEST(i, strlcpy(b, "abc", 2), 3, "length %d != %d");
TEST(i, b[0], 'a', "strlcpy did not copy character %d");
TEST(i, b[1], 0, "strlcpy did not null-terminate long string (%d)");
TEST(i, strlcpy(b, "abc", 3), 3, "length %d != %d");
TEST(i, b[2], 0, "strlcpy did not null-terminate l-length string (%d)");
TEST(i, strlcpy(NULL, "abc", 0), 3, "length %d != %d");
TEST(i, strlcat(b, "123", sizeof b), 6, "length %d != %d");
TEST_S(b, "abc123", "strlcat result");
TEST(i, strlcat(b, "123", 6), 6, "length %d != %d");
TEST_S(b, "abc12", "strlcat result");
TEST(i, b[6], 'x', "strlcat wrote past string %d != %d");
TEST(i, strlcat(b, "123", 4), 6, "length %d != %d");
TEST_S(b, "abc", "strlcat result");
TEST(i, strlcat(b, "123", 3), 6, "length %d != %d");
TEST_S(b, "abc", "strlcat result");
printf("%s finished\n", __FILE__
);
return t_status;
}