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fix signedness of pgoff argument to remap_file_pages

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both the kernel and glibc agree that this argument is unsigned; the
incorrect type ssize_t came from erroneous man pages.
This commit is contained in:
Rich Felker 2014-01-07 02:58:28 -05:00
parent 3500555db3
commit 74998fbec1
2 changed files with 2 additions and 2 deletions
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2
include/sys/mman.h
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@ -33,7 +33,7 @@ int munlockall (void);
#ifdef _GNU_SOURCE #ifdef _GNU_SOURCE
void *mremap (void *, size_t, size_t, int, ...); void *mremap (void *, size_t, size_t, int, ...);
int remap_file_pages (void *, size_t, int, ssize_t, int); int remap_file_pages (void *, size_t, int, size_t, int);
#endif #endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)

2
src/linux/remap_file_pages.c
View File

@ -2,7 +2,7 @@
#include <sys/mman.h> #include <sys/mman.h>
#include "syscall.h" #include "syscall.h"
int remap_file_pages(void *addr, size_t size, int prot, ssize_t pgoff, int flags) int remap_file_pages(void *addr, size_t size, int prot, size_t pgoff, int flags)
{ {
return syscall(SYS_remap_file_pages, addr, size, prot, pgoff, flags); return syscall(SYS_remap_file_pages, addr, size, prot, pgoff, flags);
} }