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os/fileio: Support appending to a file

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ZyX 2016-07-30 18:14:25 +03:00
parent 85e1a56560
commit 222d98310a
2 changed files with 4 additions and 0 deletions
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2
src/nvim/os/fileio.c
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@ -62,6 +62,8 @@ int file_open(FileDescriptor *const ret_fp, const char *const fname,
FLAG(flags, kFileCreate, O_CREAT|O_WRONLY, kTrue, !(flags & kFileCreateOnly)); FLAG(flags, kFileCreate, O_CREAT|O_WRONLY, kTrue, !(flags & kFileCreateOnly));
FLAG(flags, kFileTruncate, O_TRUNC|O_WRONLY, kTrue, FLAG(flags, kFileTruncate, O_TRUNC|O_WRONLY, kTrue,
!(flags & kFileCreateOnly)); !(flags & kFileCreateOnly));
FLAG(flags, kFileAppend, O_APPEND|O_WRONLY, kTrue,
!(flags & kFileCreateOnly));
FLAG(flags, kFileReadOnly, O_RDONLY, kFalse, wr != kTrue); FLAG(flags, kFileReadOnly, O_RDONLY, kFalse, wr != kTrue);
#ifdef O_NOFOLLOW #ifdef O_NOFOLLOW
FLAG(flags, kFileNoSymlink, O_NOFOLLOW, kNone, true); FLAG(flags, kFileNoSymlink, O_NOFOLLOW, kNone, true);

2
src/nvim/os/fileio.h
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@ -30,6 +30,8 @@ typedef enum {
kFileTruncate = 32, ///< Truncate the file if it exists. kFileTruncate = 32, ///< Truncate the file if it exists.
///< Implies kFileWriteOnly. Cannot be used with ///< Implies kFileWriteOnly. Cannot be used with
///< kFileCreateOnly. ///< kFileCreateOnly.
kFileAppend = 64, ///< Append to the file. Implies kFileWriteOnly. Cannot
///< be used with kFileCreateOnly.
} FileOpenFlags; } FileOpenFlags;
static inline bool file_eof(const FileDescriptor *const fp) static inline bool file_eof(const FileDescriptor *const fp)