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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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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