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
set to
native
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Property svn:keywords
set to
Id
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Property svn:mime-type
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text/x-csrc
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File size:
579 bytes
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Rev | Line | |
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[388] | 1 | #include <stdio.h>
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| 2 | #include <fcntl.h>
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| 3 | #include <errno.h>
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| 4 | #include <sys/stat.h>
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| 5 | #include <string.h>
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| 6 | #include "syscall.h"
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| 7 |
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| 8 | #define MAXTRIES 100
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| 9 |
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| 10 | char *__randname(char *);
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| 11 |
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| 12 | char *tmpnam(char *buf)
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| 13 | {
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| 14 | static char internal[L_tmpnam];
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| 15 | char s[] = "/tmp/tmpnam_XXXXXX";
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| 16 | int try;
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| 17 | int r;
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| 18 | for (try=0; try<MAXTRIES; try++) {
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| 19 | __randname(s+12);
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| 20 | #ifdef SYS_lstat
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| 21 | r = __syscall(SYS_lstat, s, &(struct stat){0});
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| 22 | #else
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| 23 | r = __syscall(SYS_fstatat, AT_FDCWD, s,
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| 24 | &(struct stat){0}, AT_SYMLINK_NOFOLLOW);
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| 25 | #endif
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| 26 | if (r == -ENOENT) return strcpy(buf ? buf : internal, s);
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| 27 | }
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| 28 | return 0;
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| 29 | }
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