diff options
Diffstat (limited to 'extension/filefuncs.c')
| -rw-r--r-- | extension/filefuncs.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/extension/filefuncs.c b/extension/filefuncs.c index 9d4b2258..0afed056 100644 --- a/extension/filefuncs.c +++ b/extension/filefuncs.c @@ -45,6 +45,9 @@ #include <sys/types.h> #include <sys/stat.h> +#ifdef HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif /* HAVE_SYS_PARAM_H */ #include "gawkapi.h" @@ -265,6 +268,31 @@ read_symlink(const char *fname, size_t bufsize, ssize_t *linksize) return NULL; } + +/* device_blocksize --- try to figure out units of st_blocks */ + +static int +device_blocksize() +{ + /* some of this derived from GNULIB stat-size.h */ +#if defined(DEV_BSIZE) + /* <sys/param.h>, most systems */ + return DEV_BSIZE; +#elif defined(S_BLKSIZE) + /* <sys/stat.h>, BSD systems */ + return S_BLKSIZE; +#elif defined hpux || defined __hpux__ || defined __hpux + return 1024; +#elif defined _AIX && defined _I386 + /* AIX PS/2 counts st_blocks in 4K units. */ + return 4 * 1024; +#elif defined __MINGW32__ + return 1024; +#else + return 512; +#endif +} + /* array_set --- set an array element */ static void @@ -357,6 +385,9 @@ fill_stat_array(const char *name, awk_array_t array, struct stat *sbuf) array_set_numeric(array, "blksize", 4096); #endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */ + /* the size of a block for st_blocks */ + array_set_numeric(array, "devbsize", device_blocksize()); + pmode = format_mode(sbuf->st_mode); array_set(array, "pmode", make_const_string(pmode, strlen(pmode), & tmp)); |