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Add and use t_compare_errno.

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Unfortunately, this causes a memory leak on FreeBSD due to localization: strerror_r() attempts to load localized error messages, fails, and creates a negative cache entry which is never freed.
This commit is contained in:
Dag-Erling Smørgrav 2018-04-02 18:21:03 +02:00
parent c31fe69263
commit 8bc14dca97
3 changed files with 32 additions and 6 deletions
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1
include/cryb/test.h
View file

@ -103,6 +103,7 @@ int t_is_not_null(const void *);
int t_compare_mem(const void *, const void *, size_t); int t_compare_mem(const void *, const void *, size_t);
int t_compare_str(const char *, const char *); int t_compare_str(const char *, const char *);
int t_compare_strn(const char *, const char *, size_t); int t_compare_strn(const char *, const char *, size_t);
int t_compare_errno(int, int);
#define t_compare_num(n, t) int t_compare_##n(t, t); #define t_compare_num(n, t) int t_compare_##n(t, t);
t_compare_num(i, int); t_compare_num(i, int);
t_compare_num(u, unsigned int); t_compare_num(u, unsigned int);

26
lib/test/cryb_t_compare.c
View file

@ -169,6 +169,32 @@ t_compare_strn(const char *expected, const char *received, size_t len)
return (1); return (1);
} }
/*
* Compare to errno values, and print a verbose message if they differ.
*/
int
t_compare_errno(int expected, int received)
{
char errbuf[256];
if (expected != received) {
if (expected == 0) {
t_printv("expected no errno\n");
} else {
strerror_r(expected, errbuf, sizeof errbuf);
t_printv("expected errno: %s\n", strerror(expected));
}
if (received == 0) {
t_printv("received no errno\n");
} else {
strerror_r(received, errbuf, sizeof errbuf);
t_printv("received errno: %s\n", strerror(received));
}
return (0);
}
return (1);
}
/* /*
* Compare two numbers, and print a verbose message if they differ. * Compare two numbers, and print a verbose message if they differ.
*/ */

11
t/t_rfc3986.c
View file

@ -306,16 +306,15 @@ t_rfc3986(char **desc CRYB_UNUSED, void *arg)
struct t_case *t = arg; struct t_case *t = arg;
char buf[256]; char buf[256];
size_t len; size_t len;
int ret; int fret, ret;
memset(buf, 0, sizeof buf); memset(buf, 0, sizeof buf);
errno = 0;
len = t->blen > sizeof buf ? sizeof buf : t->blen; len = t->blen > sizeof buf ? sizeof buf : t->blen;
ret = t_compare_i(t->ret, fret = t->func(t->in, t->ilen, t->out ? buf : NULL, &len);
t->func(t->in, t->ilen, t->out ? buf : NULL, &len)); ret = t_compare_i(t->ret, fret);
if (fret != 0)
ret &= t_compare_errno(t->err, errno);
ret &= t_compare_sz(t->olen, len); ret &= t_compare_sz(t->olen, len);
if (t->ret != 0 || errno != 0)
ret &= t_compare_i(t->err, errno);
if (t->out) if (t->out)
ret &= t_compare_strn(t->out, buf, t->blen - 1); ret &= t_compare_strn(t->out, buf, t->blen - 1);
return (ret); return (ret);