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Document rename_replace_existing macro

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This commit is contained in:
Darryl Green 2019-04-11 14:21:14 +01:00
parent fdda7de048
commit 86095bcaa8
1 changed files with 4 additions and 1 deletions
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5
library/psa_its_file.c
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@ -62,9 +62,12 @@
#define PSA_ITS_MAGIC_STRING "PSA\0ITS\0"
#define PSA_ITS_MAGIC_LENGTH 8
/* As rename fails on Windows if the new filepath already exists,
* use MoveFileExA with the MOVEFILE_REPLACE_EXISTING flag instead.
* Returns 0 on success, nonzero on failure. */
#if defined(_WIN32)
#define rename_replace_existing( oldpath, newpath ) \
(!MoveFileExA( oldpath, newpath, MOVEFILE_REPLACE_EXISTING ))
( ! MoveFileExA( oldpath, newpath, MOVEFILE_REPLACE_EXISTING ) )
#else
#define rename_replace_existing( oldpath, newpath ) rename( oldpath, newpath )
#endif