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libfdisk: add wrapper to ask for numbers 

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2013-02-07 11:41:26 +01:00
parent cfebc4654e
commit 24fc19a11e
2 changed files with 44 additions and 0 deletions
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36
libfdisk/src/ask.c
View File

@ -321,6 +321,42 @@ int fdisk_ask_partnum(struct fdisk_context *cxt, size_t *partnum, int wantnew)
return rc;
}
/* very basic wraper to ask numbers */
int fdisk_ask_number(struct fdisk_context *cxt,
uintmax_t low,
uintmax_t dflt,
uintmax_t high,
const char *query,
uintmax_t *result)
{
struct fdisk_ask *ask;
int rc;
assert(cxt);
ask = fdisk_new_ask();
if (!ask)
return -ENOMEM;
rc = fdisk_ask_set_type(ask, FDISK_ASKTYPE_NUMBER);
if (!rc)
fdisk_ask_number_set_low(ask, low);
if (!rc)
fdisk_ask_number_set_default(ask, dflt);
if (!rc)
fdisk_ask_number_set_high(ask, high);
if (!rc)
fdisk_ask_set_query(ask, query);
if (!rc)
rc = fdisk_do_ask(cxt, ask);
if (!rc)
*result = fdisk_ask_number_get_result(ask);
fdisk_free_ask(ask);
DBG(ASK, dbgprint("result: %zd [rc=%d]\n", *result, rc));
return rc;
}
#define is_print_ask(a) (fdisk_is_ask(a, WARN) || fdisk_is_ask(a, WARNX) || fdisk_is_ask(a, INFO))
int fdisk_ask_print_get_errno(struct fdisk_ask *ask)

8
libfdisk/src/libfdisk.h
View File

@ -151,6 +151,14 @@ extern int fdisk_ask_number_set_result(struct fdisk_ask *ask, uint64_t result);
extern int fdisk_ask_number_set_relative(struct fdisk_ask *ask, int relative);
extern int fdisk_ask_number_is_relative(struct fdisk_ask *ask);
extern int fdisk_ask_number(struct fdisk_context *cxt,
uintmax_t low,
uintmax_t dflt,
uintmax_t high,
const char *query,
uintmax_t *result);
extern int fdisk_info(struct fdisk_context *cxt, const char *fmt, ...);
extern int fdisk_warnx(struct fdisk_context *cxt, const char *fmt, ...);
extern int fdisk_warn(struct fdisk_context *cxt, const char *fmt, ...);