You should have received a copy of the GNU General Public License
along with Wget; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+In addition, as a special exception, the Free Software Foundation
+gives permission to link the code of its release of Wget with the
+OpenSSL project's "OpenSSL" library (or with modified versions of it
+that use the same license as the "OpenSSL" library), and distribute
+the linked executables. You must obey the GNU General Public License
+in all respects for all of the code used other than "OpenSSL". If you
+modify this file, you may extend this exception to your version of the
+file, but you are not obligated to do so. If you do not wish to do
+so, delete this exception statement from your version. */
#include <config.h>
# include <termios.h>
#endif
+/* Needed for run_with_timeout. */
+#undef USE_SIGNAL_TIMEOUT
+#ifdef HAVE_SIGNAL_H
+# include <signal.h>
+#endif
+#ifdef HAVE_SETJMP_H
+# include <setjmp.h>
+#endif
+/* If sigsetjmp is a macro, configure won't pick it up. */
+#ifdef sigsetjmp
+# define HAVE_SIGSETJMP
+#endif
+#ifdef HAVE_SIGNAL
+# ifdef HAVE_SIGSETJMP
+# define USE_SIGNAL_TIMEOUT
+# endif
+# ifdef HAVE_SIGBLOCK
+# define USE_SIGNAL_TIMEOUT
+# endif
+#endif
+
#include "wget.h"
#include "utils.h"
-#include "fnmatch.h"
#include "hash.h"
#ifndef errno
register_ptr (void *ptr, const char *file, int line)
{
int i;
- for (i = 0; i < ARRAY_SIZE (malloc_debug); i++)
+ for (i = 0; i < countof (malloc_debug); i++)
if (malloc_debug[i].ptr == NULL)
{
malloc_debug[i].ptr = ptr;
unregister_ptr (void *ptr)
{
int i;
- for (i = 0; i < ARRAY_SIZE (malloc_debug); i++)
+ for (i = 0; i < countof (malloc_debug); i++)
if (malloc_debug[i].ptr == ptr)
{
malloc_debug[i].ptr = NULL;
int i;
printf ("\nMalloc: %d\nFree: %d\nBalance: %d\n\n",
malloc_count, free_count, malloc_count - free_count);
- for (i = 0; i < ARRAY_SIZE (malloc_debug); i++)
+ for (i = 0; i < countof (malloc_debug); i++)
if (malloc_debug[i].ptr != NULL)
printf ("0x%08ld: %s:%d\n", (long)malloc_debug[i].ptr,
malloc_debug[i].file, malloc_debug[i].line);
if (!opt.lfilename)
{
- opt.lfilename = unique_name (DEFAULT_LOGFILE);
+ opt.lfilename = unique_name (DEFAULT_LOGFILE, 0);
changedp = 1;
}
pid = fork ();
return S_ISDIR (buf.st_mode) ? 0 : 1;
}
-/* Return a unique filename, given a prefix and count */
+/* Return the size of file named by FILENAME, or -1 if it cannot be
+ opened or seeked into. */
+long
+file_size (const char *filename)
+{
+ long size;
+ /* We use fseek rather than stat to determine the file size because
+ that way we can also verify whether the file is readable.
+ Inspired by the POST patch by Arnaud Wylie. */
+ FILE *fp = fopen (filename, "rb");
+ if (!fp)
+ return -1;
+ fseek (fp, 0, SEEK_END);
+ size = ftell (fp);
+ fclose (fp);
+ return size;
+}
+
+/* stat file names named PREFIX.1, PREFIX.2, etc., until one that
+ doesn't exist is found. Return a freshly allocated copy of the
+ unused file name. */
+
static char *
-unique_name_1 (const char *fileprefix, int count)
+unique_name_1 (const char *prefix)
{
- char *filename;
+ int count = 1;
+ int plen = strlen (prefix);
+ char *template = (char *)alloca (plen + 1 + 24);
+ char *template_tail = template + plen;
- if (count)
- {
- filename = (char *)xmalloc (strlen (fileprefix) + numdigit (count) + 2);
- sprintf (filename, "%s.%d", fileprefix, count);
- }
- else
- filename = xstrdup (fileprefix);
+ memcpy (template, prefix, plen);
+ *template_tail++ = '.';
- if (!file_exists_p (filename))
- return filename;
- else
- {
- xfree (filename);
- return NULL;
- }
+ do
+ number_to_string (template_tail, count++);
+ while (file_exists_p (template));
+
+ return xstrdup (template);
}
-/* Return a unique file name, based on PREFIX. */
+/* Return a unique file name, based on FILE.
+
+ More precisely, if FILE doesn't exist, it is returned unmodified.
+ If not, FILE.1 is tried, then FILE.2, etc. The first FILE.<number>
+ file name that doesn't exist is returned.
+
+ The resulting file is not created, only verified that it didn't
+ exist at the point in time when the function was called.
+ Therefore, where security matters, don't rely that the file created
+ by this function exists until you open it with O_EXCL or
+ something.
+
+ If ALLOW_PASSTHROUGH is 0, it always returns a freshly allocated
+ string. Otherwise, it may return FILE if the file doesn't exist
+ (and therefore doesn't need changing). */
+
char *
-unique_name (const char *prefix)
+unique_name (const char *file, int allow_passthrough)
{
- char *file = NULL;
- int count = 0;
+ /* If the FILE itself doesn't exist, return it without
+ modification. */
+ if (!file_exists_p (file))
+ return allow_passthrough ? (char *)file : xstrdup (file);
- while (!file)
- file = unique_name_1 (prefix, count++);
- return file;
+ /* Otherwise, find a numeric suffix that results in unused file name
+ and return it. */
+ return unique_name_1 (file);
}
\f
/* Create DIRECTORY. If some of the pathname components of DIRECTORY
{
int quit = 0;
int i;
+ int ret = 0;
char *dir;
/* Make a copy of dir, to be able to write to it. Otherwise, the
if (!dir[i])
quit = 1;
dir[i] = '\0';
- /* Check whether the directory already exists. */
+ /* Check whether the directory already exists. Allow creation of
+ of intermediate directories to fail, as the initial path components
+ are not necessarily directories! */
if (!file_exists_p (dir))
- {
- if (mkdir (dir, 0777) < 0)
- return -1;
- }
+ ret = mkdir (dir, 0777);
+ else
+ ret = 0;
if (quit)
break;
else
dir[i] = '/';
}
- return 0;
+ return ret;
}
/* Merge BASE with FILE. BASE can be a directory or a file name, FILE
return 1;
}
-/* Match the end of STRING against PATTERN. For instance:
+/* Return non-zero if STRING ends with TAIL. For instance:
+
+ match_tail ("abc", "bc", 0) -> 1
+ match_tail ("abc", "ab", 0) -> 0
+ match_tail ("abc", "abc", 0) -> 1
+
+ If FOLD_CASE_P is non-zero, the comparison will be
+ case-insensitive. */
- match_backwards ("abc", "bc") -> 1
- match_backwards ("abc", "ab") -> 0
- match_backwards ("abc", "abc") -> 1 */
int
-match_tail (const char *string, const char *pattern)
+match_tail (const char *string, const char *tail, int fold_case_p)
{
int i, j;
- for (i = strlen (string), j = strlen (pattern); i >= 0 && j >= 0; i--, j--)
- if (string[i] != pattern[j])
- break;
- /* If the pattern was exhausted, the match was succesful. */
+ /* We want this to be fast, so we code two loops, one with
+ case-folding, one without. */
+
+ if (!fold_case_p)
+ {
+ for (i = strlen (string), j = strlen (tail); i >= 0 && j >= 0; i--, j--)
+ if (string[i] != tail[j])
+ break;
+ }
+ else
+ {
+ for (i = strlen (string), j = strlen (tail); i >= 0 && j >= 0; i--, j--)
+ if (TOLOWER (string[i]) != TOLOWER (tail[j]))
+ break;
+ }
+
+ /* If the tail was exhausted, the match was succesful. */
if (j == -1)
return 1;
else
{
if (backward)
{
- if (match_tail (s, *accepts))
+ if (match_tail (s, *accepts, 0))
return 1;
}
else
return NULL;
}
+/* Return non-zero if S contains globbing wildcards (`*', `?', `[' or
+ `]'). */
+
+int
+has_wildcards_p (const char *s)
+{
+ for (; *s; s++)
+ if (*s == '*' || *s == '?' || *s == '[' || *s == ']')
+ return 1;
+ return 0;
+}
+
+/* Return non-zero if FNAME ends with a typical HTML suffix. The
+ following (case-insensitive) suffixes are presumed to be HTML files:
+
+ html
+ htm
+ ?html (`?' matches one character)
+
+ #### CAVEAT. This is not necessarily a good indication that FNAME
+ refers to a file that contains HTML! */
+int
+has_html_suffix_p (const char *fname)
+{
+ char *suf;
+
+ if ((suf = suffix (fname)) == NULL)
+ return 0;
+ if (!strcasecmp (suf, "html"))
+ return 1;
+ if (!strcasecmp (suf, "htm"))
+ return 1;
+ if (suf[0] && !strcasecmp (suf + 1, "html"))
+ return 1;
+ return 0;
+}
+
/* Read a line from FP and return the pointer to freshly allocated
- storage. The stoarage space is obtained through malloc() and
- should be freed with free() when it is no longer needed.
+ storage. The storage space is obtained through malloc() and should
+ be freed with free() when it is no longer needed.
The length of the line is not limited, except by available memory.
The newline character at the end of line is retained. The line is
/* Normally, we grow SIZE exponentially to make the number
of calls to read() and realloc() logarithmic in relation
to file size. However, read() can read an amount of data
- smaller than requested, and it would be unreasonably to
+ smaller than requested, and it would be unreasonable to
double SIZE every time *something* was read. Therefore,
we double SIZE only when the length exceeds half of the
entire allocated size. */
return cnt;
}
+/* A half-assed implementation of INT_MAX on machines that don't
+ bother to define one. */
+#ifndef INT_MAX
+# define INT_MAX ((int) ~((unsigned)1 << 8 * sizeof (int) - 1))
+#endif
+
#define ONE_DIGIT(figure) *p++ = n / (figure) + '0'
#define ONE_DIGIT_ADVANCE(figure) (ONE_DIGIT (figure), n %= (figure))
if (n < 0)
{
+ if (n < -INT_MAX)
+ {
+ /* We cannot print a '-' and assign -n to n because -n would
+ overflow. Let sprintf deal with this border case. */
+ sprintf (buffer, "%ld", n);
+ p += strlen (buffer);
+ return p;
+ }
+
*p++ = '-';
n = -n;
}
# endif
#endif /* not WINDOWS */
-struct wget_timer {
#ifdef TIMER_GETTIMEOFDAY
- long secs;
- long usecs;
+typedef struct timeval wget_sys_time;
#endif
#ifdef TIMER_TIME
- time_t secs;
+typedef time_t wget_sys_time;
#endif
#ifdef TIMER_WINDOWS
- ULARGE_INTEGER wintime;
+typedef ULARGE_INTEGER wget_sys_time;
#endif
+
+struct wget_timer {
+ /* The starting point in time which, subtracted from the current
+ time, yields elapsed time. */
+ wget_sys_time start;
+
+ /* The most recent elapsed time, calculated by wtimer_elapsed().
+ Measured in milliseconds. */
+ double elapsed_last;
+
+ /* Approximately, the time elapsed between the true start of the
+ measurement and the time represented by START. */
+ double elapsed_pre_start;
};
/* Allocate a timer. It is not legal to do anything with a freshly
xfree (wt);
}
-/* Reset timer WT. This establishes the starting point from which
- wtimer_elapsed() will return the number of elapsed
- milliseconds. It is allowed to reset a previously used timer. */
+/* Store system time to WST. */
-void
-wtimer_reset (struct wget_timer *wt)
+static void
+wtimer_sys_set (wget_sys_time *wst)
{
#ifdef TIMER_GETTIMEOFDAY
- struct timeval t;
- gettimeofday (&t, NULL);
- wt->secs = t.tv_sec;
- wt->usecs = t.tv_usec;
+ gettimeofday (wst, NULL);
#endif
#ifdef TIMER_TIME
- wt->secs = time (NULL);
+ time (wst);
#endif
#ifdef TIMER_WINDOWS
+ /* We use GetSystemTime to get the elapsed time. MSDN warns that
+ system clock adjustments can skew the output of GetSystemTime
+ when used as a timer and gives preference to GetTickCount and
+ high-resolution timers. But GetTickCount can overflow, and hires
+ timers are typically used for profiling, not for regular time
+ measurement. Since we handle clock skew anyway, we just use
+ GetSystemTime. */
FILETIME ft;
SYSTEMTIME st;
GetSystemTime (&st);
+
+ /* As recommended by MSDN, we convert SYSTEMTIME to FILETIME, copy
+ FILETIME to ULARGE_INTEGER, and use regular 64-bit integer
+ arithmetic on that. */
SystemTimeToFileTime (&st, &ft);
- wt->wintime.HighPart = ft.dwHighDateTime;
- wt->wintime.LowPart = ft.dwLowDateTime;
+ wst->HighPart = ft.dwHighDateTime;
+ wst->LowPart = ft.dwLowDateTime;
#endif
}
-/* Return the number of milliseconds elapsed since the timer was last
- reset. It is allowed to call this function more than once to get
- increasingly higher elapsed values. */
+/* Reset timer WT. This establishes the starting point from which
+ wtimer_elapsed() will return the number of elapsed
+ milliseconds. It is allowed to reset a previously used timer. */
-long
-wtimer_elapsed (struct wget_timer *wt)
+void
+wtimer_reset (struct wget_timer *wt)
+{
+ /* Set the start time to the current time. */
+ wtimer_sys_set (&wt->start);
+ wt->elapsed_last = 0;
+ wt->elapsed_pre_start = 0;
+}
+
+static double
+wtimer_sys_diff (wget_sys_time *wst1, wget_sys_time *wst2)
{
#ifdef TIMER_GETTIMEOFDAY
- struct timeval t;
- gettimeofday (&t, NULL);
- return (t.tv_sec - wt->secs) * 1000 + (t.tv_usec - wt->usecs) / 1000;
+ return ((double)(wst1->tv_sec - wst2->tv_sec) * 1000
+ + (double)(wst1->tv_usec - wst2->tv_usec) / 1000);
#endif
#ifdef TIMER_TIME
- time_t now = time (NULL);
- return 1000 * (now - wt->secs);
+ return 1000 * (*wst1 - *wst2);
#endif
#ifdef WINDOWS
- FILETIME ft;
- SYSTEMTIME st;
- ULARGE_INTEGER uli;
- GetSystemTime (&st);
- SystemTimeToFileTime (&st, &ft);
- uli.HighPart = ft.dwHighDateTime;
- uli.LowPart = ft.dwLowDateTime;
- return (long)((uli.QuadPart - wt->wintime.QuadPart) / 10000);
+ /* VC++ 6 doesn't support direct cast of uint64 to double. To work
+ around this, we subtract, then convert to signed, then finally to
+ double. */
+ return (double)(signed __int64)(wst1->QuadPart - wst2->QuadPart) / 10000;
#endif
}
-/* Return the assessed granularity of the timer implementation. This
- is important for certain code that tries to deal with "zero" time
- intervals. */
+/* Return the number of milliseconds elapsed since the timer was last
+ reset. It is allowed to call this function more than once to get
+ increasingly higher elapsed values. These timers handle clock
+ skew. */
-long
+double
+wtimer_elapsed (struct wget_timer *wt)
+{
+ wget_sys_time now;
+ double elapsed;
+
+ wtimer_sys_set (&now);
+ elapsed = wt->elapsed_pre_start + wtimer_sys_diff (&now, &wt->start);
+
+ /* Ideally we'd just return the difference between NOW and
+ wt->start. However, the system timer can be set back, and we
+ could return a value smaller than when we were last called, even
+ a negative value. Both of these would confuse the callers, which
+ expect us to return monotonically nondecreasing values.
+
+ Therefore: if ELAPSED is smaller than its previous known value,
+ we reset wt->start to the current time and effectively start
+ measuring from this point. But since we don't want the elapsed
+ value to start from zero, we set elapsed_pre_start to the last
+ elapsed time and increment all future calculations by that
+ amount. */
+
+ if (elapsed < wt->elapsed_last)
+ {
+ wt->start = now;
+ wt->elapsed_pre_start = wt->elapsed_last;
+ elapsed = wt->elapsed_last;
+ }
+
+ wt->elapsed_last = elapsed;
+ return elapsed;
+}
+
+/* Return the assessed granularity of the timer implementation, in
+ milliseconds. This is used by code that tries to substitute a
+ better value for timers that have returned zero. */
+
+double
wtimer_granularity (void)
{
#ifdef TIMER_GETTIMEOFDAY
- /* Granularity of gettimeofday is hugely architecture-dependent.
- However, it appears that on modern machines it is better than
- 1ms. */
- return 1;
+ /* Granularity of gettimeofday varies wildly between architectures.
+ However, it appears that on modern machines it tends to be better
+ than 1ms. Assume 100 usecs. (Perhaps the configure process
+ could actually measure this?) */
+ return 0.1;
#endif
#ifdef TIMER_TIME
- /* This is clear. */
return 1000;
#endif
#ifdef TIMER_WINDOWS
- /* ? */
+ /* According to MSDN, GetSystemTime returns a broken-down time
+ structure the smallest member of which are milliseconds. */
return 1;
#endif
}
#endif /* TIOCGWINSZ */
}
+/* Return a random number between 0 and MAX-1, inclusive.
+
+ If MAX is greater than the value of RAND_MAX+1 on the system, the
+ returned value will be in the range [0, RAND_MAX]. This may be
+ fixed in a future release.
+
+ The random number generator is seeded automatically the first time
+ it is called.
+
+ This uses rand() for portability. It has been suggested that
+ random() offers better randomness, but this is not required for
+ Wget, so I chose to go for simplicity and use rand
+ unconditionally.
+
+ DO NOT use this for cryptographic purposes. It is only meant to be
+ used in situations where quality of the random numbers returned
+ doesn't really matter. */
+
+int
+random_number (int max)
+{
+ static int seeded;
+ double bounded;
+ int rnd;
+
+ if (!seeded)
+ {
+ srand (time (NULL));
+ seeded = 1;
+ }
+ rnd = rand ();
+
+ /* On systems that don't define RAND_MAX, assume it to be 2**15 - 1,
+ and enforce that assumption by masking other bits. */
+#ifndef RAND_MAX
+# define RAND_MAX 32767
+ rnd &= RAND_MAX;
+#endif
+
+ /* This is equivalent to rand() % max, but uses the high-order bits
+ for better randomness on architecture where rand() is implemented
+ using a simple congruential generator. */
+
+ bounded = (double)max * rnd / (RAND_MAX + 1.0);
+ return (int)bounded;
+}
+
+/* Return a random uniformly distributed floating point number in the
+ [0, 1) range. The precision of returned numbers is 9 digits.
+
+ Modify this to use erand48() where available! */
+
+double
+random_float (void)
+{
+ /* We can't rely on any specific value of RAND_MAX, but I'm pretty
+ sure it's greater than 1000. */
+ int rnd1 = random_number (1000);
+ int rnd2 = random_number (1000);
+ int rnd3 = random_number (1000);
+ return rnd1 / 1000.0 + rnd2 / 1000000.0 + rnd3 / 1000000000.0;
+}
+
#if 0
/* A debugging function for checking whether an MD5 library works. */
cnt = 16;
while (cnt--)
{
- *p2++ = XDIGIT_TO_xchar (*p1 >> 4);
- *p2++ = XDIGIT_TO_xchar (*p1 & 0xf);
+ *p2++ = XNUM_TO_digit (*p1 >> 4);
+ *p2++ = XNUM_TO_digit (*p1 & 0xf);
++p1;
}
*p2 = '\0';
return res;
}
#endif
+\f
+/* Implementation of run_with_timeout, a generic timeout-forcing
+ routine for systems with Unix-like signal handling. */
+
+#ifdef USE_SIGNAL_TIMEOUT
+# ifdef HAVE_SIGSETJMP
+# define SETJMP(env) sigsetjmp (env, 1)
+
+static sigjmp_buf run_with_timeout_env;
+
+static RETSIGTYPE
+abort_run_with_timeout (int sig)
+{
+ assert (sig == SIGALRM);
+ siglongjmp (run_with_timeout_env, -1);
+}
+# else /* not HAVE_SIGSETJMP */
+# define SETJMP(env) setjmp (env)
+
+static jmp_buf run_with_timeout_env;
+
+static RETSIGTYPE
+abort_run_with_timeout (int sig)
+{
+ assert (sig == SIGALRM);
+ /* We don't have siglongjmp to preserve the set of blocked signals;
+ if we longjumped out of the handler at this point, SIGALRM would
+ remain blocked. We must unblock it manually. */
+ int mask = siggetmask ();
+ mask &= ~sigmask (SIGALRM);
+ sigsetmask (mask);
+
+ /* Now it's safe to longjump. */
+ longjmp (run_with_timeout_env, -1);
+}
+# endif /* not HAVE_SIGSETJMP */
+
+/* Arrange for SIGALRM to be delivered in TIMEOUT seconds. This uses
+ setitimer where available, alarm otherwise.
+
+ TIMEOUT should be non-zero. If the timeout value is so small that
+ it would be rounded to zero, it is rounded to the least legal value
+ instead (1us for setitimer, 1s for alarm). That ensures that
+ SIGALRM will be delivered in all cases. */
+
+static void
+alarm_set (double timeout)
+{
+#ifdef ITIMER_REAL
+ /* Use the modern itimer interface. */
+ struct itimerval itv;
+ memset (&itv, 0, sizeof (itv));
+ itv.it_value.tv_sec = (long) timeout;
+ itv.it_value.tv_usec = 1000000L * (timeout - (long)timeout);
+ if (itv.it_value.tv_sec == 0 && itv.it_value.tv_usec == 0)
+ /* Ensure that we wait for at least the minimum interval.
+ Specifying zero would mean "wait forever". */
+ itv.it_value.tv_usec = 1;
+ setitimer (ITIMER_REAL, &itv, NULL);
+#else /* not ITIMER_REAL */
+ /* Use the old alarm() interface. */
+ int secs = (int) timeout;
+ if (secs == 0)
+ /* Round TIMEOUTs smaller than 1 to 1, not to zero. This is
+ because alarm(0) means "never deliver the alarm", i.e. "wait
+ forever", which is not what someone who specifies a 0.5s
+ timeout would expect. */
+ secs = 1;
+ alarm (secs);
+#endif /* not ITIMER_REAL */
+}
+
+/* Cancel the alarm set with alarm_set. */
+
+static void
+alarm_cancel (void)
+{
+#ifdef ITIMER_REAL
+ struct itimerval disable;
+ memset (&disable, 0, sizeof (disable));
+ setitimer (ITIMER_REAL, &disable, NULL);
+#else /* not ITIMER_REAL */
+ alarm (0);
+#endif /* not ITIMER_REAL */
+}
+
+/* Call FUN(ARG), but don't allow it to run for more than TIMEOUT
+ seconds. Returns non-zero if the function was interrupted with a
+ timeout, zero otherwise.
+
+ This works by setting up SIGALRM to be delivered in TIMEOUT seconds
+ using setitimer() or alarm(). The timeout is enforced by
+ longjumping out of the SIGALRM handler. This has several
+ advantages compared to the traditional approach of relying on
+ signals causing system calls to exit with EINTR:
+
+ * The callback function is *forcibly* interrupted after the
+ timeout expires, (almost) regardless of what it was doing and
+ whether it was in a syscall. For example, a calculation that
+ takes a long time is interrupted as reliably as an IO
+ operation.
+
+ * It works with both SYSV and BSD signals because it doesn't
+ depend on the default setting of SA_RESTART.
+
+ * It doesn't special handler setup beyond a simple call to
+ signal(). (It does use sigsetjmp/siglongjmp, but they're
+ optional.)
+
+ The only downside is that, if FUN allocates internal resources that
+ are normally freed prior to exit from the functions, they will be
+ lost in case of timeout. */
+
+int
+run_with_timeout (double timeout, void (*fun) (void *), void *arg)
+{
+ int saved_errno;
+
+ if (timeout == 0)
+ {
+ fun (arg);
+ return 0;
+ }
+
+ signal (SIGALRM, abort_run_with_timeout);
+ if (SETJMP (run_with_timeout_env) != 0)
+ {
+ /* Longjumped out of FUN with a timeout. */
+ signal (SIGALRM, SIG_DFL);
+ return 1;
+ }
+ alarm_set (timeout);
+ fun (arg);
+
+ /* Preserve errno in case alarm() or signal() modifies it. */
+ saved_errno = errno;
+ alarm_cancel ();
+ signal (SIGALRM, SIG_DFL);
+ errno = saved_errno;
+
+ return 0;
+}
+
+#else /* not USE_SIGNAL_TIMEOUT */
+
+#ifndef WINDOWS
+/* A stub version of run_with_timeout that just calls FUN(ARG). Don't
+ define it under Windows, because Windows has its own version of
+ run_with_timeout that uses threads. */
+
+int
+run_with_timeout (double timeout, void (*fun) (void *), void *arg)
+{
+ fun (arg);
+ return 0;
+}
+#endif /* not WINDOWS */
+#endif /* not USE_SIGNAL_TIMEOUT */
projects / wget / blobdiff