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Lines 39-64
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| 39 |
temp_file() |
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temp_file() |
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/* Open a temporary file and return its file descriptor */ |
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/* Open a temporary file and return its file descriptor */ |
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{ |
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{ |
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const int max_retries = 50; |
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int fd; |
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char *name; |
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char name[] = "/tmp/anacron.XXXXXX"; |
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int fd, i; |
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fd = mkstemp(name); |
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i = 0; |
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name = NULL; |
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do |
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{ |
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i++; |
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free(name); |
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name = tempnam(NULL, NULL); |
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if (name == NULL) die("Can't find a unique temporary filename"); |
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fd = open(name, O_RDWR | O_CREAT | O_EXCL | O_APPEND, |
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S_IRUSR | S_IWUSR); |
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/* I'm not sure we actually need to be so persistent here */ |
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} while (fd == -1 && errno == EEXIST && i < max_retries); |
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if (fd == -1) die_e("Can't open temporary file"); |
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if (fd == -1) die_e("Can't open temporary file"); |
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if (unlink(name)) die_e("Can't unlink temporary file"); |
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if (unlink(name)) die_e("Can't unlink temporary file"); |
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free(name); |
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fcntl(fd, F_SETFD, 1); /* set close-on-exec flag */ |
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fcntl(fd, F_SETFD, 1); /* set close-on-exec flag */ |
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return fd; |
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return fd; |
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} |
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} |
