Kouhei Sutou
null+****@clear*****
Mon Aug 17 12:32:14 JST 2015
Kouhei Sutou 2015-08-17 12:32:14 +0900 (Mon, 17 Aug 2015) New Revision: e6e364e7f8307546abd035e61b928f418a7c2144 https://github.com/groonga/groonga/commit/e6e364e7f8307546abd035e61b928f418a7c2144 Message: io: make sparse file use customizable by GRN_IO_USE_SPARSE=yes Modified files: lib/io.c Modified: lib/io.c (+21 -7) =================================================================== --- lib/io.c 2015-08-16 22:03:38 +0900 (3d8383d) +++ lib/io.c 2015-08-17 12:32:14 +0900 (0f435f2) @@ -62,6 +62,7 @@ typedef struct _grn_io_fileinfo { #define IO_HEADER_SIZE 64 static uint32_t grn_io_version_default = GRN_IO_VERSION_DEFAULT; +static grn_bool grn_io_use_sparse = GRN_FALSE; inline static grn_rc grn_fileinfo_open(grn_ctx *ctx, fileinfo *fi, const char *path, int flags); inline static void grn_fileinfo_init(fileinfo *fis, int nfis); @@ -104,13 +105,26 @@ inline static grn_rc grn_pwrite(grn_ctx *ctx, fileinfo *fi, void *buf, size_t co void grn_io_init_from_env(void) { - char version_env[GRN_ENV_BUFFER_SIZE]; + { + char version_env[GRN_ENV_BUFFER_SIZE]; + + grn_getenv("GRN_IO_VERSION", + version_env, + GRN_ENV_BUFFER_SIZE); + if (version_env[0]) { + grn_io_version_default = atoi(version_env); + } + } - grn_getenv("GRN_IO_VERSION", - version_env, - GRN_ENV_BUFFER_SIZE); - if (version_env[0]) { - grn_io_version_default = atoi(version_env); + { + char use_sparse_env[GRN_ENV_BUFFER_SIZE]; + + grn_getenv("GRN_IO_USE_SPARSE", + use_sparse_env, + GRN_ENV_BUFFER_SIZE); + if (use_sparse_env[0] && strcmp(use_sparse_env, "yes") == 0) { + grn_io_use_spare = GRN_TRUE; + } } } @@ -1587,7 +1601,7 @@ grn_fileinfo_open_common(grn_ctx *ctx, fileinfo *fi, const char *path, int flags goto exit; } - { + if (grn_io_use_sparse) { FILE_SET_SPARSE_BUFFER buffer; buffer.SetSparse = TRUE; DWORD returned_bytes; -------------- next part -------------- HTML����������������������������...Download