Last change
on this file was 337, checked in by coas-nagasima, 6 years ago |
ASP3版ECNLを追加
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Property svn:eol-style
set to
native
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Property svn:mime-type
set to
text/x-csrc;charset=UTF-8
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File size:
542 bytes
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Rev | Line | |
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[337] | 1 | #include <sys/mman.h>
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| 2 | #include <fcntl.h>
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| 3 | #include <sys/stat.h>
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| 4 | #include "syscall.h"
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| 5 |
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| 6 | void *__mmap(void *, size_t, int, int, int, off_t);
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| 7 |
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| 8 | const char unsigned *__map_file(const char *pathname, size_t *size)
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| 9 | {
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| 10 | struct stat st;
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| 11 | const unsigned char *map = MAP_FAILED;
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| 12 | int fd = __sys_open(pathname, O_RDONLY|O_CLOEXEC|O_NONBLOCK);
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| 13 | if (fd < 0) return 0;
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| 14 | if (!__syscall(SYS_fstat, fd, &st)) {
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| 15 | map = __mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
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| 16 | *size = st.st_size;
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| 17 | }
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| 18 | __syscall(SYS_close, fd);
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| 19 | return map == MAP_FAILED ? 0 : map;
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| 20 | }
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