diff options
Diffstat (limited to 'utils/common.c')
-rw-r--r-- | utils/common.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/utils/common.c b/utils/common.c new file mode 100644 index 0000000..dfa6bc8 --- /dev/null +++ b/utils/common.c @@ -0,0 +1,74 @@ +/* + Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com> + This file is part of gluster-block. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + + +# include "common.h" + + + +ssize_t +glusterBlockCreateParseSize(char *value) +{ + char *postfix; + char *tmp; + ssize_t sizef; + + + if (!value) + return -1; + + sizef = strtod(value, &postfix); + if (sizef < 0) { + ERROR("%s", "size cannot be negative number\n"); + return -1; + } + + tmp = postfix; + if (*postfix == ' ') { + tmp = tmp + 1; + } + + switch (*tmp) { + case 'Y': + sizef *= 1024; + /* fall through */ + case 'Z': + sizef *= 1024; + /* fall through */ + case 'E': + sizef *= 1024; + /* fall through */ + case 'P': + sizef *= 1024; + /* fall through */ + case 'T': + sizef *= 1024; + /* fall through */ + case 'G': + sizef *= 1024; + /* fall through */ + case 'M': + sizef *= 1024; + /* fall through */ + case 'K': + case 'k': + sizef *= 1024; + /* fall through */ + case 'b': + case '\0': + return sizef; + break; + default: + /*TODO: Log this instead of printing + ERROR("%s", "You may use k/K, M, G or T suffixes for " + "kilobytes, megabytes, gigabytes and terabytes."); */ + return -1; + } +} |