nerdcruft/libcruft-util
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Expose mapped_file only if mmap is available

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Danny Robson 2011-07-04 16:26:08 +10:00 committed by U-steve\danny
parent 7cba9b8496
commit f6d96fbe1b
2 changed files with 6 additions and 2 deletions
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6
io.cpp
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@ -6,7 +6,6 @@
#include <cstdio> #include <cstdio>
#include <sys/types.h> #include <sys/types.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h> #include <fcntl.h>
#include <unistd.h> #include <unistd.h>
@ -68,6 +67,9 @@ fd_ref::operator int (void) const
{ return fd; } { return fd; }
#if defined(HAVE_MMAP)
#include <sys/mman.h>
//---------------------------------------------------------------------------- //----------------------------------------------------------------------------
mapped_file::mapped_file (const char *_path): mapped_file::mapped_file (const char *_path):
m_fd (open (_path, O_RDONLY)) m_fd (open (_path, O_RDONLY))
@ -119,6 +121,6 @@ mapped_file::data (void) const {
return m_data; return m_data;
} }
#endif

2
io.hpp
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@ -52,6 +52,7 @@ struct fd_ref {
}; };
#if defined(HAVE_MMAP)
/// Wraps a mechanism to map a file into memory. Read only. /// Wraps a mechanism to map a file into memory. Read only.
class mapped_file { class mapped_file {
protected: protected:
@ -74,6 +75,7 @@ class mapped_file {
const uint8_t* data (void) const; const uint8_t* data (void) const;
size_t size (void) const; size_t size (void) const;
}; };
#endif
#endif #endif