Last change
on this file since 388 was 388, checked in by coas-nagasima, 5 years ago |
Azure IoT Hub Device C SDK を使ったサンプルの追加
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Property svn:eol-style
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native
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Property svn:keywords
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Id
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Property svn:mime-type
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text/x-csrc
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File size:
605 bytes
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Rev | Line | |
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[388] | 1 | #include "stdio_impl.h"
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| 2 | #include <fcntl.h>
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| 3 | #include <string.h>
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| 4 | #include <errno.h>
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| 5 |
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| 6 | FILE *fopen(const char *restrict filename, const char *restrict mode)
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| 7 | {
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| 8 | FILE *f;
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| 9 | int fd;
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| 10 | int flags;
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| 11 |
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| 12 | /* Check for valid initial mode character */
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| 13 | if (!strchr("rwa", *mode)) {
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| 14 | errno = EINVAL;
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| 15 | return 0;
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| 16 | }
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| 17 |
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| 18 | /* Compute the flags to pass to open() */
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| 19 | flags = __fmodeflags(mode);
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| 20 |
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| 21 | fd = sys_open(filename, flags, 0666);
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| 22 | if (fd < 0) return 0;
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| 23 | if (flags & O_CLOEXEC)
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| 24 | __syscall(SYS_fcntl, fd, F_SETFD, FD_CLOEXEC);
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| 25 |
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| 26 | f = __fdopen(fd, mode);
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| 27 | if (f) return f;
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| 28 |
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| 29 | __syscall(SYS_close, fd);
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| 30 | return 0;
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| 31 | }
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| 32 |
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| 33 | LFS64(fopen);
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