albino
/
ngircd-tor
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

portabtest: Actually test functions 

Test functions snprintf(), strlcpy(), strlcat(), vsnprintf() for
correctness, not only existance (which was quite useless, because
if they weren't available, the program could not have been linked
at all ...).
This commit is contained in:
Alexander Barton 2014-01-01 15:57:34 +01:00
parent 18070e5381
commit d38747d951
1 changed files with 81 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

102
src/portab/portabtest.c
View File

@ -24,7 +24,82 @@
#include "exp.h"
static void Panic PARAMS((char *Reason));
static void
Panic(char *Reason)
{
/* Oops, something failed!? */
fprintf(stderr, "Oops, test for %s failed!?\n", Reason);
exit(1);
} /* Panic */
static void
Check_snprintf(void)
{
char str[5];
snprintf(str, sizeof(str), "%s", "1234567890");
if (str[4] != '\0')
Panic("snprintf NULL byte");
if (strlen(str) != 4)
Panic("snprintf string length");
}
static void
Check_strlcpy(void)
{
char str[5];
if (strlcpy(str, "1234567890", sizeof(str)) != 10)
Panic("strlcpy return code");
if (str[4] != '\0')
Panic("strlcpy NULL byte");
if (strlen(str) != 4)
Panic("strlcpy string length");
}
static void
Check_strlcat(void)
{
char str[5];
if (strlcpy(str, "12", sizeof(str)) != 2)
Panic("strlcpy for strlcat");
if (strlcat(str, "1234567890", sizeof(str)) != 12)
Panic("strlcat return code");
if (str[4] != '\0')
Panic("strlcat NULL byte");
if (strlen(str) != 4)
Panic("strlcat string length");
}
#ifdef PROTOTYPES
static void
Check_vsnprintf(const int Len, const char *Format, ...)
#else
static void
Check_vsnprintf(Len, Format, va_alist)
const int Len;
const char *Format;
va_dcl
#endif
{
char str[5];
va_list ap;
#ifdef PROTOTYPES
va_start(ap, Format);
#else
va_start(ap);
#endif
if (vsnprintf(str, sizeof(str), Format, ap) != Len)
Panic("vsnprintf return code");
va_end(ap);
if (str[4] != '\0')
Panic("vsnprintf NULL byte");
if (strlen(str) != 4)
Panic("vsnprintf string length");
}
GLOBAL int
main(void)
@ -41,28 +116,13 @@ main(void)
if (sizeof(UINT32) != 4)
Panic("UINT32");
#ifdef PROTOTYPES
/* check functions */
if (!snprintf)
Panic("snprintf");
if (!vsnprintf)
Panic("vsnprintf");
if (!strlcpy)
Panic("strlcpy");
if (!strlcat)
Panic("strlcat");
#endif
Check_snprintf();
Check_strlcpy();
Check_strlcat();
Check_vsnprintf(2+10, "%s%s", "ab", "1234567890");
/* ok, no error */
return 0;
} /* portab_check_types */
static void
Panic(char *Reason)
{
/* Oops, something failed!? */
fprintf(stderr, "Oops, test for %s failed!?", Reason);
exit(1);
} /* Panic */
}
/* -eof- */