This reduces the need for "magic numbers".
Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
revision.c | 59 ++++++++++++++++++++++++++++++-----------------------------
1 file changed, 30 insertions(+), 29 deletions(-)
diff --git a/revision.c b/revision.c
index 66520c6..25838fc 100644
--- a/revision.c
+++ b/revision.c
@@ -1719,8 +1719,8 @@ static int handle_revision_opt(struct rev_info *revs, int
argc, const char **arg
revs->max_count = atoi(argv[1]);
revs->no_walk = 0;
return 2;
- } else if (starts_with(arg, "-n")) {
- revs->max_count = atoi(arg + 2);
+ } else if (skip_prefix(arg, "-n", &arg)) {
+ revs->max_count = atoi(arg);
revs->no_walk = 0;
} else if ((argcount = parse_long_opt("max-age", argv, &optarg))) {
revs->max_age = atoi(optarg);
@@ -1779,15 +1779,15 @@ static int handle_revision_opt(struct rev_info *revs,
int argc, const char **arg
} else if (!strcmp(arg, "--author-date-order")) {
revs->sort_order = REV_SORT_BY_AUTHOR_DATE;
revs->topo_order = 1;
- } else if (starts_with(arg, "--early-output")) {
+ } else if (skip_prefix(arg, "--early-output", &arg)) {
int count = 100;
- switch (arg[14]) {
+ switch (*arg++) {
case '=':
- count = atoi(arg+15);
+ count = atoi(arg);
/* Fallthrough */
case 0:
revs->topo_order = 1;
- revs->early_output = count;
+ revs->early_output = count;
}
} else if (!strcmp(arg, "--parents")) {
revs->rewrite_parents = 1;
@@ -1804,12 +1804,12 @@ static int handle_revision_opt(struct rev_info *revs,
int argc, const char **arg
revs->min_parents = 2;
} else if (!strcmp(arg, "--no-merges")) {
revs->max_parents = 1;
- } else if (starts_with(arg, "--min-parents=")) {
- revs->min_parents = atoi(arg+14);
+ } else if (skip_prefix(arg, "--min-parents=", &arg)) {
+ revs->min_parents = atoi(arg);
} else if (starts_with(arg, "--no-min-parents")) {
revs->min_parents = 0;
- } else if (starts_with(arg, "--max-parents=")) {
- revs->max_parents = atoi(arg+14);
+ } else if (skip_prefix(arg, "--max-parents=", &arg)) {
+ revs->max_parents = atoi(arg);
} else if (starts_with(arg, "--no-max-parents")) {
revs->max_parents = -1;
} else if (!strcmp(arg, "--boundary")) {
@@ -1891,26 +1891,27 @@ static int handle_revision_opt(struct rev_info *revs,
int argc, const char **arg
revs->verbose_header = 1;
revs->pretty_given = 1;
get_commit_format(NULL, revs);
- } else if (starts_with(arg, "--pretty=") || starts_with(arg,
"--format=")) {
+ } else if (skip_prefix(arg, "--pretty=", &arg) ||
+ skip_prefix(arg, "--format=", &arg)) {
/*
* Detached form ("--pretty X" as opposed to "--pretty=X")
* not allowed, since the argument is optional.
*/
revs->verbose_header = 1;
revs->pretty_given = 1;
- get_commit_format(arg+9, revs);
+ get_commit_format(arg, revs);
} else if (!strcmp(arg, "--show-notes") || !strcmp(arg, "--notes")) {
revs->show_notes = 1;
revs->show_notes_given = 1;
revs->notes_opt.use_default_notes = 1;
} else if (!strcmp(arg, "--show-signature")) {
revs->show_signature = 1;
- } else if (!strcmp(arg, "--show-linear-break") ||
- starts_with(arg, "--show-linear-break=")) {
- if (starts_with(arg, "--show-linear-break="))
- revs->break_bar = xstrdup(arg + 20);
- else
- revs->break_bar = " ..........";
+ } else if (!strcmp(arg, "--show-linear-break")) {
+ revs->break_bar = " ..........";
+ revs->track_linear = 1;
+ revs->track_first_time = 1;
+ } else if (skip_prefix(arg, "--show-linear-break=", &arg)) {
+ revs->break_bar = xstrdup(arg);
revs->track_linear = 1;
revs->track_first_time = 1;
} else if (starts_with(arg, "--show-notes=") ||
@@ -1961,8 +1962,8 @@ static int handle_revision_opt(struct rev_info *revs, int
argc, const char **arg
revs->abbrev = 0;
} else if (!strcmp(arg, "--abbrev")) {
revs->abbrev = DEFAULT_ABBREV;
- } else if (starts_with(arg, "--abbrev=")) {
- revs->abbrev = strtoul(arg + 9, NULL, 10);
+ } else if (skip_prefix(arg, "--abbrev=", &arg)) {
+ revs->abbrev = strtoul(arg, NULL, 10);
if (revs->abbrev < MINIMUM_ABBREV)
revs->abbrev = MINIMUM_ABBREV;
else if (revs->abbrev > 40)
@@ -2112,20 +2113,20 @@ static int handle_revision_pseudo_opt(const char
*submodule,
} else if ((argcount = parse_long_opt("exclude", argv, &optarg))) {
add_ref_exclusion(&revs->ref_excludes, optarg);
return argcount;
- } else if (starts_with(arg, "--branches=")) {
+ } else if (skip_prefix(arg, "--branches=", &arg)) {
struct all_refs_cb cb;
init_all_refs_cb(&cb, revs, *flags);
- for_each_glob_ref_in(handle_one_ref, arg + 11, "refs/heads/",
&cb);
+ for_each_glob_ref_in(handle_one_ref, arg, "refs/heads/", &cb);
clear_ref_exclusion(&revs->ref_excludes);
- } else if (starts_with(arg, "--tags=")) {
+ } else if (skip_prefix(arg, "--tags=", &arg)) {
struct all_refs_cb cb;
init_all_refs_cb(&cb, revs, *flags);
- for_each_glob_ref_in(handle_one_ref, arg + 7, "refs/tags/",
&cb);
+ for_each_glob_ref_in(handle_one_ref, arg, "refs/tags/", &cb);
clear_ref_exclusion(&revs->ref_excludes);
- } else if (starts_with(arg, "--remotes=")) {
+ } else if (skip_prefix(arg, "--remotes=", &arg)) {
struct all_refs_cb cb;
init_all_refs_cb(&cb, revs, *flags);
- for_each_glob_ref_in(handle_one_ref, arg + 10, "refs/remotes/",
&cb);
+ for_each_glob_ref_in(handle_one_ref, arg, "refs/remotes/", &cb);
clear_ref_exclusion(&revs->ref_excludes);
} else if (!strcmp(arg, "--reflog")) {
add_reflogs_to_pending(revs, *flags);
@@ -2135,14 +2136,14 @@ static int handle_revision_pseudo_opt(const char
*submodule,
*flags ^= UNINTERESTING | BOTTOM;
} else if (!strcmp(arg, "--no-walk")) {
revs->no_walk = REVISION_WALK_NO_WALK_SORTED;
- } else if (starts_with(arg, "--no-walk=")) {
+ } else if (skip_prefix(arg, "--no-walk=", &arg)) {
/*
* Detached form ("--no-walk X" as opposed to "--no-walk=X")
* not allowed, since the argument is optional.
*/
- if (!strcmp(arg + 10, "sorted"))
+ if (!strcmp(arg, "sorted"))
revs->no_walk = REVISION_WALK_NO_WALK_SORTED;
- else if (!strcmp(arg + 10, "unsorted"))
+ else if (!strcmp(arg, "unsorted"))
revs->no_walk = REVISION_WALK_NO_WALK_UNSORTED;
else
return error("invalid argument to --no-walk");
--
2.1.4
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