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#include <fcntl.h> #include <sys/stat.h> int main(void) { char *file_name = "»£???«\xe5ngstr\xf6m"; mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH; int fd = open(file_name, O_CREAT | O_EXCL | O_WRONLY, mode); if (fd == -1) { /* Handle error */ } } |
An implementation is free to define its own mapping of the "nonsafe" characters. For example, when tested run on a Red Hat Enterprise Linux distribution7.5, this noncompliant code example resulted in the following file name :being revealed by the ls
command.
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?ngstr?????m |
Compliant Solution (File Name 1)
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