diff options
Diffstat (limited to 'src/gdbm_load.c')
| -rw-r--r-- | src/gdbm_load.c | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/src/gdbm_load.c b/src/gdbm_load.c index 7746b1b..20942dc 100644 --- a/src/gdbm_load.c +++ b/src/gdbm_load.c @@ -36,6 +36,9 @@ struct gdbm_option optab[] = { { 'm', "mode", N_("MODE"), N_("set file mode") }, { 'u', "user", N_("NAME|UID[:NAME|GID]"), N_("set file owner") }, { 'n', "no-meta", NULL, N_("do not attempt to set file meta-data") }, + { 'M', "mmap", NULL, N_("use memory mapping") }, + { 'c', "cache-size", N_("NUM"), N_("set the cache size") }, + { 'b', "block-size", N_("NUM"), N_("set the block size") }, { 0 } }; @@ -63,6 +66,27 @@ set_meta_info (GDBM_FILE dbf) return 0; } +static int +get_int (const char *arg) +{ + char *p; + long n; + + errno = 0; + n = strtol (arg, &p, 0); + if (*p) + { + error (_("invalid number: %s"), arg); + exit (EXIT_USAGE); + } + if (errno) + { + error (_("invalid number: %s: %s"), arg, strerror (errno)); + exit (EXIT_USAGE); + } + return n; +} + int main (int argc, char **argv) { @@ -72,6 +96,9 @@ main (int argc, char **argv) FILE *fp; unsigned long err_line, n; char *end; + int oflags = GDBM_NEWDB|GDBM_NOMMAP; + int cache_size = 0; + int block_size = 0; #ifdef HAVE_SETLOCALE setlocale (LC_ALL, ""); @@ -87,6 +114,14 @@ main (int argc, char **argv) { switch (opt) { + case 'b': + block_size = get_int (optarg); + break; + + case 'c': + cache_size = get_int (optarg); + break; + case 'm': { errno = 0; @@ -171,6 +206,10 @@ main (int argc, char **argv) case 'n': no_meta_option = 1; break; + + case 'M': + oflags &= ~GDBM_NOMMAP; + break; default: error (_("unknown option")); @@ -216,12 +255,16 @@ main (int argc, char **argv) if (dbname) { - dbf = gdbm_open (dbname, 0, GDBM_NEWDB, 0600, NULL); + dbf = gdbm_open (dbname, block_size, oflags, 0600, NULL); if (!dbf) { gdbm_perror (_("gdbm_open failed")); exit (EXIT_FATAL); } + + if (cache_size && + gdbm_setopt (dbf, GDBM_SETCACHESIZE, &cache_size, sizeof (int)) == -1) + error (_("gdbm_setopt failed: %s"), gdbm_strerror (gdbm_errno)); } rc = gdbm_load_from_file (&dbf, fp, replace, @@ -248,7 +291,7 @@ main (int argc, char **argv) rc = EXIT_FATAL; } } - + if (dbf) { if (!no_meta_option && set_meta_info (dbf)) |