dns stub resolver: increase buffer size to handle chained CNAMEs

[musl] / include / limits.h

diff --git a/include/limits.h b/include/limits.h
index 6757012..53a27b9 100644 (file)
--- a/include/limits.h
+++ b/include/limits.h
@@ -1,34 +1,76 @@
 #ifndef _LIMITS_H
 #define _LIMITS_H
 
-/* Most limits are system-specific */
+#include <features.h>
 
-#include <bits/limits.h>
+#include <bits/alltypes.h> /* __LONG_MAX */
+
+/* Support signed or unsigned plain-char */
 
-/* Some universal constants... */
+#if '\xff' > 0
+#define CHAR_MIN 0
+#define CHAR_MAX 255
+#else
+#define CHAR_MIN (-128)
+#define CHAR_MAX 127
+#endif
 
 #define CHAR_BIT 8
 #define SCHAR_MIN (-128)
 #define SCHAR_MAX 127
 #define UCHAR_MAX 255
-#define CHAR_MIN (-128)
-#define CHAR_MAX 127
+#define SHRT_MIN  (-1-0x7fff)
+#define SHRT_MAX  0x7fff
+#define USHRT_MAX 0xffff
+#define INT_MIN  (-1-0x7fffffff)
+#define INT_MAX  0x7fffffff
+#define UINT_MAX 0xffffffffU
+#define LONG_MIN (-LONG_MAX-1)
+#define LONG_MAX __LONG_MAX
+#define ULONG_MAX (2UL*LONG_MAX+1)
+#define LLONG_MIN (-LLONG_MAX-1)
+#define LLONG_MAX  0x7fffffffffffffffLL
+#define ULLONG_MAX (2ULL*LLONG_MAX+1)
 
 #define MB_LEN_MAX 4
 
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
- || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+
+#include <bits/limits.h>
 
+#define PIPE_BUF 4096
+#define FILESIZEBITS 64
+#ifndef NAME_MAX
+#define NAME_MAX 255
+#endif
+#define PATH_MAX 4096
+#define NGROUPS_MAX 32
+#define ARG_MAX 131072
+#define IOV_MAX 1024
+#define SYMLOOP_MAX 40
+#define WORD_BIT 32
 #define SSIZE_MAX LONG_MAX
 #define TZNAME_MAX 6
-#define TTY_NAME_MAX 20
+#define TTY_NAME_MAX 32
 #define HOST_NAME_MAX 255
 
+#if LONG_MAX == 0x7fffffffL
+#define LONG_BIT 32
+#else
+#define LONG_BIT 64
+#endif
+
 /* Implementation choices... */
 
-#define PTHREAD_KEYS_MAX  1024
-#define PTHREAD_STACK_MIN PAGE_SIZE
+#define PTHREAD_KEYS_MAX 128
+#define PTHREAD_STACK_MIN 2048
 #define PTHREAD_DESTRUCTOR_ITERATIONS 4
+#define SEM_VALUE_MAX 0x7fffffff
+#define SEM_NSEMS_MAX 256
+#define DELAYTIMER_MAX 0x7fffffff
+#define MQ_PRIO_MAX 32768
+#define LOGIN_NAME_MAX 256
 
 /* Arbitrary numbers... */
 
@@ -43,14 +85,29 @@
 #define RE_DUP_MAX 255
 
 #define NL_ARGMAX 9
-#define NL_LANGMAX 32
 #define NL_MSGMAX 32767
-#define NL_NMAX (MB_LEN_MAX*4)
 #define NL_SETMAX 255
 #define NL_TEXTMAX 2048
 
 #endif
 
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_XOPEN_SOURCE)
+
+#ifdef PAGESIZE
+#define PAGE_SIZE PAGESIZE
+#endif
+#define NZERO 20
+#define NL_LANGMAX 32
+
+#endif
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) \
+ || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700)
+
+#define NL_NMAX 16
+
+#endif
+
 /* POSIX/SUS requirements follow. These numbers come directly
  * from SUS and have nothing to do with the host system. */