[libvirt] [PATCH v3 1/2] util: add virStringParseYesNo()

This function parse the string "yes" into bool true and "no" into false, and returns 0. If the string is anything other than "yes|no", this function returns -1. Signed-off-by: Shotaro Gotanda <g.sho1500(a)gmail.com&gt; --- src/util/virstring.c | 21 +++++++++++++++++++++ src/util/virstring.h | 3 +++ 2 files changed, 24 insertions(+) diff --git a/src/util/virstring.c b/src/util/virstring.c index 33f8191f45..3bbe36ea25 100644 --- a/src/util/virstring.c +++ b/src/util/virstring.c @@ -1548,3 +1548,24 @@ virStringParsePort(const char *str, return 0; } + + +/** + * virStringParseYesNo: + * @str: "yes|no" to parse, and the value must not be NULL. + * @port: pointer to parse and convert "yes|no" into + * + * Parses a string "yes|no" and convert it into true|false. + * Returns 0 on success and -1 on error. + */ +int virStringParseYesNo(const char *str, bool *result) +{ + if (STREQ(str, "yes")) + *result = true; + else if (STREQ(str, "no")) + *result = false; + else + return -1; + + return 0; +} diff --git a/src/util/virstring.h b/src/util/virstring.h index 1e36ac459c..9b01e8568a 100644 --- a/src/util/virstring.h +++ b/src/util/virstring.h @@ -316,6 +316,9 @@ int virStringParsePort(const char *str, unsigned int *port) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK; +int virStringParseYesNo(const char *str, + bool *result) + ATTRIBUTE_RETURN_CHECK; /** * VIR_AUTOSTRINGLIST: * -- 2.19.1