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parse-options: avoid magic return codes

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Give names to these magic negative numbers. Make parse_opt_ll_cb
return an enum to make clear it can actually control parse_options()
with different return values (parse_opt_cb can too, but nobody needs
it).

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2019-01-27 07:35:27 +07:00
committed by Junio C Hamano
parent bf3ff338a2
commit f41179f16b
5 changed files with 68 additions and 46 deletions
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20
builtin/update-index.c
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@ -847,8 +847,8 @@ static int parse_new_style_cacheinfo(const char *arg,
return 0;
}
static int cacheinfo_callback(struct parse_opt_ctx_t *ctx,
const struct option *opt, int unset)
static enum parse_opt_result cacheinfo_callback(
struct parse_opt_ctx_t *ctx, const struct option *opt, int unset)
{
struct object_id oid;
unsigned int mode;
@ -873,8 +873,8 @@ static int cacheinfo_callback(struct parse_opt_ctx_t *ctx,
return 0;
}
static int stdin_cacheinfo_callback(struct parse_opt_ctx_t *ctx,
const struct option *opt, int unset)
static enum parse_opt_result stdin_cacheinfo_callback(
struct parse_opt_ctx_t *ctx, const struct option *opt, int unset)
{
int *nul_term_line = opt->value;
@ -887,8 +887,8 @@ static int stdin_cacheinfo_callback(struct parse_opt_ctx_t *ctx,
return 0;
}
static int stdin_callback(struct parse_opt_ctx_t *ctx,
const struct option *opt, int unset)
static enum parse_opt_result stdin_callback(
struct parse_opt_ctx_t *ctx, const struct option *opt, int unset)
{
int *read_from_stdin = opt->value;
@ -900,8 +900,8 @@ static int stdin_callback(struct parse_opt_ctx_t *ctx,
return 0;
}
static int unresolve_callback(struct parse_opt_ctx_t *ctx,
const struct option *opt, int unset)
static enum parse_opt_result unresolve_callback(
struct parse_opt_ctx_t *ctx, const struct option *opt, int unset)
{
int *has_errors = opt->value;
const char *prefix = startup_info->prefix;
@ -919,8 +919,8 @@ static int unresolve_callback(struct parse_opt_ctx_t *ctx,
return 0;
}
static int reupdate_callback(struct parse_opt_ctx_t *ctx,
const struct option *opt, int unset)
static enum parse_opt_result reupdate_callback(
struct parse_opt_ctx_t *ctx, const struct option *opt, int unset)
{
int *has_errors = opt->value;
const char *prefix = startup_info->prefix;