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-rw-r--r--parse-options.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/parse-options.h b/parse-options.h
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+++ b/parse-options.h
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+#ifndef PARSE_OPTIONS_H
+#define PARSE_OPTIONS_H
+
+enum parse_opt_type {
+ OPTION_END,
+ OPTION_BOOLEAN,
+ OPTION_STRING,
+ OPTION_INTEGER,
+};
+
+enum parse_opt_flags {
+ PARSE_OPT_KEEP_DASHDASH = 1,
+};
+
+struct option {
+ enum parse_opt_type type;
+ int short_name;
+ const char *long_name;
+ void *value;
+};
+
+#define OPT_END() { OPTION_END }
+#define OPT_BOOLEAN(s, l, v, h) { OPTION_BOOLEAN, (s), (l), (v) }
+#define OPT_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v) }
+#define OPT_STRING(s, l, v, a, h) { OPTION_STRING, (s), (l), (v) }
+
+/* parse_options() will filter out the processed options and leave the
+ * non-option argments in argv[].
+ * Returns the number of arguments left in argv[].
+ */
+extern int parse_options(int argc, const char **argv,
+ const struct option *options,
+ const char *usagestr, int flags);
+
+#endif