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[/] [or1k/] [tags/] [newlib-1-8-2/] [newlib/] [newlib/] [libc/] [stdio/] [remove.c] - Rev 58
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/* FUNCTION <<remove>>---delete a file's name INDEX remove ANSI_SYNOPSIS #include <stdio.h> int remove(char *<[filename]>); int _remove_r(void *<[reent]>, char *<[filename]>); TRAD_SYNOPSIS #include <stdio.h> int remove(<[filename]>) char *<[filename]>; int _remove_r(<[reent]>, <[filename]>) char *<[reent]>; char *<[filename]>; DESCRIPTION Use <<remove>> to dissolve the association between a particular filename (the string at <[filename]>) and the file it represents. After calling <<remove>> with a particular filename, you will no longer be able to open the file by that name. In this implementation, you may use <<remove>> on an open file without error; existing file descriptors for the file will continue to access the file's data until the program using them closes the file. The alternate function <<_remove_r>> is a reentrant version. The extra argument <[reent]> is a pointer to a reentrancy structure. RETURNS <<remove>> returns <<0>> if it succeeds, <<-1>> if it fails. PORTABILITY ANSI C requires <<remove>>, but only specifies that the result on failure be nonzero. The behavior of <<remove>> when you call it on an open file may vary among implementations. Supporting OS subroutine required: <<unlink>>. */ #include <stdio.h> int _remove_r (ptr, filename) struct _reent *ptr; _CONST char *filename; { if (_unlink_r (ptr, filename) == -1) return -1; return 0; } #ifndef _REENT_ONLY int remove (filename) _CONST char *filename; { return _remove_r (_REENT, filename); } #endif
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