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fixes for bugs found by make_single_applets.sh

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2017-07-03 21:31:16 +02:00
parent 2e989ef232
commit d4e4fdb5ce
10 changed files with 75 additions and 41 deletions
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17
networking/inetd.c
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@@ -1513,8 +1513,11 @@ int inetd_main(int argc UNUSED_PARAM, char **argv)
} /* for (;;) */
}
#if !BB_MMU
#if ENABLE_FEATURE_INETD_SUPPORT_BUILTIN_ECHO \
|| ENABLE_FEATURE_INETD_SUPPORT_BUILTIN_DISCARD
# if !BB_MMU
static const char *const cat_args[] = { "cat", NULL };
# endif
#endif
/*
@@ -1525,14 +1528,14 @@ static const char *const cat_args[] = { "cat", NULL };
/* ARGSUSED */
static void FAST_FUNC echo_stream(int s, servtab_t *sep UNUSED_PARAM)
{
#if BB_MMU
# if BB_MMU
while (1) {
ssize_t sz = safe_read(s, line, LINE_SIZE);
if (sz <= 0)
break;
xwrite(s, line, sz);
}
#else
# else
/* We are after vfork here! */
/* move network socket to stdin/stdout */
xmove_fd(s, STDIN_FILENO);
@@ -1542,7 +1545,7 @@ static void FAST_FUNC echo_stream(int s, servtab_t *sep UNUSED_PARAM)
xopen(bb_dev_null, O_WRONLY);
BB_EXECVP("cat", (char**)cat_args);
/* on failure we return to main, which does exit(EXIT_FAILURE) */
#endif
# endif
}
static void FAST_FUNC echo_dg(int s, servtab_t *sep)
{
@@ -1566,10 +1569,10 @@ static void FAST_FUNC echo_dg(int s, servtab_t *sep)
/* ARGSUSED */
static void FAST_FUNC discard_stream(int s, servtab_t *sep UNUSED_PARAM)
{
#if BB_MMU
# if BB_MMU
while (safe_read(s, line, LINE_SIZE) > 0)
continue;
#else
# else
/* We are after vfork here! */
/* move network socket to stdin */
xmove_fd(s, STDIN_FILENO);
@@ -1580,7 +1583,7 @@ static void FAST_FUNC discard_stream(int s, servtab_t *sep UNUSED_PARAM)
xdup2(STDOUT_FILENO, STDERR_FILENO);
BB_EXECVP("cat", (char**)cat_args);
/* on failure we return to main, which does exit(EXIT_FAILURE) */
#endif
# endif
}
/* ARGSUSED */
static void FAST_FUNC discard_dg(int s, servtab_t *sep UNUSED_PARAM)