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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [libiberty/] [rename.c] - Rev 452
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/* rename -- rename a file This function is in the public domain. */ /* @deftypefn Supplemental int rename (const char *@var{old}, const char *@var{new}) Renames a file from @var{old} to @var{new}. If @var{new} already exists, it is removed. @end deftypefn */ #include "ansidecl.h" #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <errno.h> #ifdef HAVE_UNISTD_H #include <unistd.h> #endif int rename (const char *zfrom, const char *zto) { if (link (zfrom, zto) < 0) { if (errno != EEXIST) return -1; if (unlink (zto) < 0 || link (zfrom, zto) < 0) return -1; } return unlink (zfrom); }
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