#endif
#ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
#endif
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
+#include "pcap/funcattrs.h"
+
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
/* BSD-flavored OS - use BPF */
#define USE_BPF
static 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 PCAP_NORETURN usage(void);
static void PCAP_NORETURN error(const char *, ...) PCAP_PRINTFLIKE(1, 2);
char ebuf[PCAP_ERRBUF_SIZE];
char *infile;
char *cmdbuf;
+ pcap_if_t *devlist;
pcap_t *pd;
int status = 0;
int pcap_fd;
* No interface specified; get whatever pcap_lookupdev()
* finds.
*/
- device = pcap_lookupdev(ebuf);
- if (device == NULL) {
- error("couldn't find interface to use: %s",
- ebuf);
- }
+ if (pcap_findalldevs(&devlist, ebuf) == -1)
+ error("%s", ebuf);
+ if (devlist == NULL)
+ error("no interfaces available for capture");
+ device = strdup(devlist->name);
+ pcap_freealldevs(devlist);
}
if (infile != NULL) {