diff options
Diffstat (limited to 'include/libc-internal.h')
| -rw-r--r-- | include/libc-internal.h | 61 |
1 files changed, 31 insertions, 30 deletions
diff --git a/include/libc-internal.h b/include/libc-internal.h index b07965f33..26e06e636 100644 --- a/include/libc-internal.h +++ b/include/libc-internal.h @@ -326,36 +326,6 @@ extern int __sprintf (char *__restrict __s, #define fopen64 __fopen64 #endif -/* #include <alloca.h> */ -#include <bits/stackinfo.h> -#if _STACK_GROWS_DOWN -# define extend_alloca(buf, len, newlen) \ - (__typeof (buf)) ({ size_t __newlen = (newlen); \ - char *__newbuf = alloca (__newlen); \ - if (__newbuf + __newlen == (char *) buf) \ - len += __newlen; \ - else \ - len = __newlen; \ - __newbuf; }) -#elif _STACK_GROWS_UP -# define extend_alloca(buf, len, newlen) \ - (__typeof (buf)) ({ size_t __newlen = (newlen); \ - char *__newbuf = alloca (__newlen); \ - char *__buf = (buf); \ - if (__buf + __newlen == __newbuf) \ - { \ - len += __newlen; \ - __newbuf = __buf; \ - } \ - else \ - len = __newlen; \ - __newbuf; }) -#else -# warning unknown stack -# define extend_alloca(buf, len, newlen) \ - alloca (((len) = (newlen))) -#endif - /* #include <stdlib.h> */ extern char *__getenv (__const char *__name) attribute_hidden; extern void __exit (int __status) __THROW __attribute__ ((__noreturn__)) attribute_hidden; @@ -478,6 +448,37 @@ extern int __gettimeofday(struct timeval *__restrict __tv, *__restrict __timezon extern const char *__uclibc_progname attribute_hidden; # endif /* IS_IN_libc */ + +/* #include <alloca.h> */ +#include <bits/stackinfo.h> +#if _STACK_GROWS_DOWN +# define extend_alloca(buf, len, newlen) \ + (__typeof (buf)) ({ size_t __newlen = (newlen); \ + char *__newbuf = alloca (__newlen); \ + if (__newbuf + __newlen == (char *) buf) \ + len += __newlen; \ + else \ + len = __newlen; \ + __newbuf; }) +#elif _STACK_GROWS_UP +# define extend_alloca(buf, len, newlen) \ + (__typeof (buf)) ({ size_t __newlen = (newlen); \ + char *__newbuf = alloca (__newlen); \ + char *__buf = (buf); \ + if (__buf + __newlen == __newbuf) \ + { \ + len += __newlen; \ + __newbuf = __buf; \ + } \ + else \ + len = __newlen; \ + __newbuf; }) +#else +# warning unknown stack +# define extend_alloca(buf, len, newlen) \ + alloca (((len) = (newlen))) +#endif + #endif /* __ASSEMBLER__ */ #endif /* _LIBC_INTERNAL_H */ |