diff options
Diffstat (limited to 'git-compat-util.h')
| -rw-r--r-- | git-compat-util.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/git-compat-util.h b/git-compat-util.h index cedad4d..68b2ad5 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -485,6 +485,29 @@ static inline int skip_prefix(const char *str, const char *prefix, } /* + * If the string "str" is the same as the string in "prefix", then the "arg" + * parameter is set to the "def" parameter and 1 is returned. + * If the string "str" begins with the string found in "prefix" and then a + * "=" sign, then the "arg" parameter is set to "str + strlen(prefix) + 1" + * (i.e., to the point in the string right after the prefix and the "=" sign), + * and 1 is returned. + * + * Otherwise, return 0 and leave "arg" untouched. + * + * When we accept both a "--key" and a "--key=<val>" option, this function + * can be used instead of !strcmp(arg, "--key") and then + * skip_prefix(arg, "--key=", &arg) to parse such an option. + */ +int skip_to_optional_arg_default(const char *str, const char *prefix, + const char **arg, const char *def); + +static inline int skip_to_optional_arg(const char *str, const char *prefix, + const char **arg) +{ + return skip_to_optional_arg_default(str, prefix, arg, ""); +} + +/* * Like skip_prefix, but promises never to read past "len" bytes of the input * buffer, and returns the remaining number of bytes in "out" via "outlen". */ |