GNU/Linux man pages
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Syntaxe et mise en oeuvre :
GNU/Linux |
RedHat 9.0(Shrike) |
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tmpfile(3) |
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tmpfile − create a temporary file
#include <stdio.h>
FILE *tmpfile (void);
The tmpfile() function generates a unique temporary filename. The temporary file is then opened in binary read/write (w+b) mode. The file will be automatically deleted when it is closed or the program terminates normally.
The tmpfile() function returns a stream descriptor, or NULL if a unique filename cannot be generated or the unique file cannot be opened. In the latter case, errno is set to indicate the error.
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EACCES |
Search permission denied for directory in file’s path prefix. | ||
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EEXIST |
Unable to generate a unique filename. | ||
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EMFILE |
Too many file descriptors in use by the process. | ||
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ENFILE |
Too many files open in the system. | ||
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ENOSPC |
There was no room in the directory to add the new filename. | ||
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EROFS |
Read-only filesystem. | ||
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EINTR |
The call was interrupted by a signal. |
SVID 3, POSIX, BSD 4.3, ISO 9899, SUSv2
An error message may be written to stdout if the stream cannot be opened.
The standard does not specify the directory that tmpfile() will use. Glibc will try the path prefix P_tmpdir defined in <stdio.h>, and if that fails the directory /tmp.
exit(3), mktemp(3), mkstemp(3), tmpnam(3), tempnam(3)
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tmpfile(3) | |