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-rw-r--r--parse-options.h41
1 files changed, 35 insertions, 6 deletions
diff --git a/parse-options.h b/parse-options.h
index d01361ca97..706de9729f 100644
--- a/parse-options.h
+++ b/parse-options.h
@@ -6,7 +6,7 @@
struct repository;
/**
- * Refer to Documentation/technical/api-parse-options.txt for the API doc.
+ * Refer to Documentation/technical/api-parse-options.adoc for the API doc.
*/
enum parse_opt_type {
@@ -25,7 +25,7 @@ enum parse_opt_type {
/* options with arguments (usually) */
OPTION_STRING,
OPTION_INTEGER,
- OPTION_MAGNITUDE,
+ OPTION_UNSIGNED,
OPTION_CALLBACK,
OPTION_LOWLEVEL_CALLBACK,
OPTION_FILENAME
@@ -92,6 +92,10 @@ typedef int parse_opt_subcommand_fn(int argc, const char **argv,
* `value`::
* stores pointers to the values to be filled.
*
+ * `precision`::
+ * precision of the integer pointed to by `value` in number of bytes. Should
+ * typically be its `sizeof()`.
+ *
* `argh`::
* token to explain the kind of argument this option wants. Does not
* begin in capital letter, and does not end with a full stop.
@@ -151,6 +155,7 @@ struct option {
int short_name;
const char *long_name;
void *value;
+ size_t precision;
const char *argh;
const char *help;
@@ -167,6 +172,7 @@ struct option {
.short_name = (s), \
.long_name = (l), \
.value = (v), \
+ .precision = sizeof(*v), \
.help = (h), \
.flags = PARSE_OPT_NOARG|(f), \
.callback = NULL, \
@@ -177,6 +183,7 @@ struct option {
.short_name = (s), \
.long_name = (l), \
.value = (v), \
+ .precision = sizeof(*v), \
.help = (h), \
.flags = PARSE_OPT_NOARG|(f), \
}
@@ -185,6 +192,7 @@ struct option {
.short_name = (s), \
.long_name = (l), \
.value = (v), \
+ .precision = sizeof(*v), \
.help = (h), \
.flags = PARSE_OPT_NOARG | (f), \
.defval = (i), \
@@ -213,7 +221,8 @@ struct option {
.type = OPTION_INTEGER, \
.short_name = (s), \
.long_name = (l), \
- .value = (v), \
+ .value = (v) + BARF_UNLESS_SIGNED(*(v)), \
+ .precision = sizeof(*v), \
.argh = N_("n"), \
.help = (h), \
.flags = (f), \
@@ -232,6 +241,7 @@ struct option {
.short_name = (s), \
.long_name = (l), \
.value = (v), \
+ .precision = sizeof(*v), \
.help = (h), \
.flags = PARSE_OPT_NOARG|PARSE_OPT_NONEG, \
.defval = (set), \
@@ -242,6 +252,7 @@ struct option {
.short_name = (s), \
.long_name = (l), \
.value = (v), \
+ .precision = sizeof(*v), \
.help = (h), \
.flags = PARSE_OPT_NOARG, \
.defval = (b), \
@@ -254,6 +265,7 @@ struct option {
.short_name = (s), \
.long_name = (l), \
.value = (v), \
+ .precision = sizeof(*v), \
.help = (h), \
.flags = PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, \
.defval = 1, \
@@ -263,6 +275,7 @@ struct option {
.short_name = (s), \
.long_name = (l), \
.value = (v), \
+ .precision = sizeof(*v), \
.help = (h), \
.flags = PARSE_OPT_CMDMODE|PARSE_OPT_NOARG|PARSE_OPT_NONEG | (f), \
.defval = (i), \
@@ -270,11 +283,12 @@ struct option {
#define OPT_CMDMODE(s, l, v, h, i) OPT_CMDMODE_F(s, l, v, h, i, 0)
#define OPT_INTEGER(s, l, v, h) OPT_INTEGER_F(s, l, v, h, 0)
-#define OPT_MAGNITUDE(s, l, v, h) { \
- .type = OPTION_MAGNITUDE, \
+#define OPT_UNSIGNED(s, l, v, h) { \
+ .type = OPTION_UNSIGNED, \
.short_name = (s), \
.long_name = (l), \
- .value = (v), \
+ .value = (v) + BARF_UNLESS_UNSIGNED(*(v)), \
+ .precision = sizeof(*v), \
.argh = N_("n"), \
.help = (h), \
.flags = PARSE_OPT_NONEG, \
@@ -402,6 +416,10 @@ int parse_options(int argc, const char **argv, const char *prefix,
NORETURN void usage_with_options(const char * const *usagestr,
const struct option *options);
+void show_usage_with_options_if_asked(int ac, const char **av,
+ const char * const *usage,
+ const struct option *options);
+
NORETURN void usage_msg_opt(const char *msg,
const char * const *usagestr,
const struct option *options);
@@ -432,6 +450,15 @@ static inline void die_for_incompatible_opt3(int opt1, const char *opt1_name,
0, "");
}
+static inline void die_for_incompatible_opt2(int opt1, const char *opt1_name,
+ int opt2, const char *opt2_name)
+{
+ die_for_incompatible_opt4(opt1, opt1_name,
+ opt2, opt2_name,
+ 0, "",
+ 0, "");
+}
+
/*
* Use these assertions for callbacks that expect to be called with NONEG and
* NOARG respectively, and do not otherwise handle the "unset" and "arg"
@@ -596,6 +623,8 @@ int parse_opt_tracking_mode(const struct option *, const char *, int);
#define OPT_PATHSPEC_FROM_FILE(v) OPT_FILENAME(0, "pathspec-from-file", v, N_("read pathspec from file"))
#define OPT_PATHSPEC_FILE_NUL(v) OPT_BOOL(0, "pathspec-file-nul", v, N_("with --pathspec-from-file, pathspec elements are separated with NUL character"))
#define OPT_AUTOSTASH(v) OPT_BOOL(0, "autostash", v, N_("automatically stash/stash pop before and after"))
+#define OPT_DIFF_UNIFIED(v) OPT_INTEGER_F('U', "unified", v, N_("generate diffs with <n> lines context"), PARSE_OPT_NONEG)
+#define OPT_DIFF_INTERHUNK_CONTEXT(v) OPT_INTEGER_F(0, "inter-hunk-context", v, N_("show context between diff hunks up to the specified number of lines"), PARSE_OPT_NONEG)
#define OPT_IPVERSION(v) \
OPT_SET_INT_F('4', "ipv4", (v), N_("use IPv4 addresses only"), \