diff options
Diffstat (limited to 'tests/selpolltest.c')
| -rw-r--r-- | tests/selpolltest.c | 73 |
1 files changed, 65 insertions, 8 deletions
diff --git a/tests/selpolltest.c b/tests/selpolltest.c index d94fb567fb20..4c1415b68354 100644 --- a/tests/selpolltest.c +++ b/tests/selpolltest.c @@ -20,11 +20,19 @@ */ #ifndef lint -static const char copyright[] = +static const char copyright[] _U_ = "@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000\n\ The Regents of the University of California. All rights reserved.\n"; #endif +/* + * Tests how select() and poll() behave on the selectable file descriptor + * for a pcap_t. + * + * This would be significantly different on Windows, as it'd test + * how WaitForMultipleObjects() would work on the event handle for a + * pcap_t. + */ #include <pcap.h> #include <stdio.h> #include <stdlib.h> @@ -33,24 +41,73 @@ The Regents of the University of California. All rights reserved.\n"; #include <unistd.h> #include <errno.h> #include <sys/types.h> +#ifdef HAVE_SYS_SELECT_H #include <sys/select.h> +#else +#include <sys/time.h> /* older UN*Xes */ +#endif #include <poll.h> char *program_name; +/* + * This was introduced by Clang: + * + * http://clang.llvm.org/docs/LanguageExtensions.html#has-attribute + * + * in some version (which version?); it has been picked up by GCC 5.0. + */ +#ifndef __has_attribute + /* + * It's a macro, so you can check whether it's defined to check + * whether it's supported. + * + * If it's not, define it to always return 0, so that we move on to + * the fallback checks. + */ + #define __has_attribute(x) 0 +#endif + +#if __has_attribute(noreturn) \ + || (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 205)) \ + || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) \ + || (defined(__xlC__) && __xlC__ >= 0x0A01) \ + || (defined(__HP_aCC) && __HP_aCC >= 61000) + /* + * Compiler with support for it, or GCC 2.5 and later, or Solaris Studio 12 + * (Sun C 5.9) and later, or IBM XL C 10.1 and later (do any earlier + * versions of XL C support this?), or HP aCC A.06.10 and later. + */ + #define PCAP_NORETURN __attribute((noreturn)) +#elif defined( _MSC_VER ) + #define PCAP_NORETURN __declspec(noreturn) +#else + #define PCAP_NORETURN +#endif + +#if __has_attribute(__format__) \ + || (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 203)) \ + || (defined(__xlC__) && __xlC__ >= 0x0A01) \ + || (defined(__HP_aCC) && __HP_aCC >= 61000) + /* + * Compiler with support for it, or GCC 2.3 and later, or IBM XL C 10.1 + * and later (do any earlier versions of XL C support this?), + * or HP aCC A.06.10 and later. + */ + #define PCAP_PRINTFLIKE(x,y) __attribute__((__format__(__printf__,x,y))) +#else + #define PCAP_PRINTFLIKE(x,y) +#endif + /* Forwards */ static void countme(u_char *, const struct pcap_pkthdr *, const u_char *); -static void usage(void) __attribute__((noreturn)); -static void error(const char *, ...); -static void warning(const char *, ...); +static void PCAP_NORETURN usage(void); +static void PCAP_NORETURN error(const char *, ...) PCAP_PRINTFLIKE(1, 2); +static void warning(const char *, ...) PCAP_PRINTFLIKE(1, 2); static char *copy_argv(char **); static pcap_t *pd; -extern int optind; -extern int opterr; -extern char *optarg; - int main(int argc, char **argv) { |