diff options
Diffstat (limited to 'malloc/memusage.c')
| -rw-r--r-- | malloc/memusage.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/malloc/memusage.c b/malloc/memusage.c index f586ea61ba..8b37c43a8a 100644 --- a/malloc/memusage.c +++ b/malloc/memusage.c @@ -24,6 +24,7 @@ #include <fcntl.h> #include <inttypes.h> #include <signal.h> +#include <stdarg.h> #include <stdbool.h> #include <stdio.h> #include <stdlib.h> @@ -44,7 +45,7 @@ static void (*freep) (void *); static void *(*mmapp) (void *, size_t, int, int, int, off_t); static void *(*mmap64p) (void *, size_t, int, int, int, off64_t); static int (*munmapp) (void *, size_t); -static void *(*mremapp) (void *, size_t, size_t, int); +static void *(*mremapp) (void *, size_t, size_t, int, void *); enum { @@ -226,8 +227,8 @@ me (void) mmap64p = (void *(*) (void *, size_t, int, int, int, off64_t)) dlsym (RTLD_NEXT, "mmap64"); - mremapp = (void *(*) (void *, size_t, size_t, int)) dlsym (RTLD_NEXT, - "mremap"); + mremapp = (void *(*) (void *, size_t, size_t, int, void *)) dlsym (RTLD_NEXT, + "mremap"); munmapp = (int (*) (void *, size_t)) dlsym (RTLD_NEXT, "munmap"); initialized = 1; @@ -649,9 +650,14 @@ mmap64 (void *start, size_t len, int prot, int flags, int fd, off64_t offset) /* `mmap' replacement. We do not have to keep track of the sizesince `munmap' will get it as a parameter. */ void * -mremap (void *start, size_t old_len, size_t len, int flags) +mremap (void *start, size_t old_len, size_t len, int flags, ...) { void *result = NULL; + va_list ap; + + va_start (ap, flags); + void *newaddr = (flags & MREMAP_FIXED) ? va_arg (ap, void *) : NULL; + va_end (ap); /* Determine real implementation if not already happened. */ if (__builtin_expect (initialized <= 0, 0)) @@ -662,7 +668,7 @@ mremap (void *start, size_t old_len, size_t len, int flags) } /* Always get a block. We don't need extra memory. */ - result = (*mremapp) (start, old_len, len, flags); + result = (*mremapp) (start, old_len, len, flags, newaddr); if (!not_me && trace_mmap) { |