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authorHarshavardhana <harsha@zresearch.com>2009-02-19 10:34:28 -0800
committerAnand V. Avati <avati@amp.gluster.com>2009-02-21 21:14:23 +0530
commitb5e0ee918fdff566e45bb255130b9efa6b8fb7b0 (patch)
tree42691ef026458d74d2fee4dd89b4d52dd3c8a119 /libglusterfs/src
parent9679f8db65de29a40f622c12c2cc538d70b052b2 (diff)
new function gf_string2double for float/double values
fixed warning Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
Diffstat (limited to 'libglusterfs/src')
-rw-r--r--libglusterfs/src/common-utils.c39
-rw-r--r--libglusterfs/src/common-utils.h1
2 files changed, 40 insertions, 0 deletions
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index 616c7a8ce..acac5e052 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -796,6 +796,39 @@ _gf_string2uint (const char *str, unsigned int *n, int base)
}
static int
+_gf_string2double (const char *str, double *n)
+{
+ double value = 0.0;
+ char *tail = NULL;
+ int old_errno = 0;
+
+ if (str == NULL || n == NULL) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ old_errno = errno;
+ errno = 0;
+ value = strtod (str, &tail);
+
+ if (errno == ERANGE || errno == EINVAL) {
+ return -1;
+ }
+
+ if (errno == 0) {
+ errno = old_errno;
+ }
+
+ if (tail[0] != '\0') {
+ return -1;
+ }
+
+ *n = value;
+
+ return 0;
+}
+
+static int
_gf_string2longlong (const char *str, long long *n, int base)
{
long long value = 0;
@@ -911,6 +944,12 @@ gf_string2uint (const char *str, unsigned int *n)
return _gf_string2uint (str, n, 0);
}
+int
+gf_string2double (const char *str, double *n)
+{
+ return _gf_string2double (str, n);
+}
+
int
gf_string2longlong (const char *str, long long *n)
{
diff --git a/libglusterfs/src/common-utils.h b/libglusterfs/src/common-utils.h
index 2016b51eb..6c7390571 100644
--- a/libglusterfs/src/common-utils.h
+++ b/libglusterfs/src/common-utils.h
@@ -281,6 +281,7 @@ int gf_string2long (const char *str, long *n);
int gf_string2ulong (const char *str, unsigned long *n);
int gf_string2int (const char *str, int *n);
int gf_string2uint (const char *str, unsigned int *n);
+int gf_string2double (const char *str, double *n);
int gf_string2longlong (const char *str, long long *n);
int gf_string2ulonglong (const char *str, unsigned long long *n);