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pass config slots as pointers instead of offsets

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Many config-parsing helpers, like parse_branch_color_slot,
take the name of a config variable and an offset to the
"slot" name (e.g., "color.branch.plain" is passed along with
"13" to effectively pass "plain"). This is leftover from the
time that these functions would die() on error, and would
want the full variable name for error reporting.

These days they do not use the full variable name at all.
Passing a single pointer to the slot name is more natural,
and lets us more easily adjust the callers to use skip_prefix
to avoid manually writing offset numbers.

This is effectively a continuation of 9e1a5eb, which did the
same for parse_diff_color_slot. This patch covers all of the
remaining similar constructs.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Nieder 2014-10-07 15:16:57 -04:00 committed by Junio C Hamano
parent 80b616d04b
commit 8852117a60
5 changed files with 21 additions and 22 deletions
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16
builtin/branch.c
View File

@ -62,19 +62,19 @@ static unsigned char merge_filter_ref[20];
static struct string_list output = STRING_LIST_INIT_DUP;
static unsigned int colopts;
static int parse_branch_color_slot(const char *var, int ofs)
static int parse_branch_color_slot(const char *slot)
{
if (!strcasecmp(var+ofs, "plain"))
if (!strcasecmp(slot, "plain"))
return BRANCH_COLOR_PLAIN;
if (!strcasecmp(var+ofs, "reset"))
if (!strcasecmp(slot, "reset"))
return BRANCH_COLOR_RESET;
if (!strcasecmp(var+ofs, "remote"))
if (!strcasecmp(slot, "remote"))
return BRANCH_COLOR_REMOTE;
if (!strcasecmp(var+ofs, "local"))
if (!strcasecmp(slot, "local"))
return BRANCH_COLOR_LOCAL;
if (!strcasecmp(var+ofs, "current"))
if (!strcasecmp(slot, "current"))
return BRANCH_COLOR_CURRENT;
if (!strcasecmp(var+ofs, "upstream"))
if (!strcasecmp(slot, "upstream"))
return BRANCH_COLOR_UPSTREAM;
return -1;
}
@ -88,7 +88,7 @@ static int git_branch_config(const char *var, const char *value, void *cb)
return 0;
}
if (starts_with(var, "color.branch.")) {
int slot = parse_branch_color_slot(var, 13);
int slot = parse_branch_color_slot(var + 13);
if (slot < 0)
return 0;
if (!value)

19
builtin/commit.c
View File

@ -1238,22 +1238,21 @@ static int dry_run_commit(int argc, const char **argv, const char *prefix,
return commitable ? 0 : 1;
}
static int parse_status_slot(const char *var, int offset)
static int parse_status_slot(const char *slot)
{
if (!strcasecmp(var+offset, "header"))
if (!strcasecmp(slot, "header"))
return WT_STATUS_HEADER;
if (!strcasecmp(var+offset, "branch"))
if (!strcasecmp(slot, "branch"))
return WT_STATUS_ONBRANCH;
if (!strcasecmp(var+offset, "updated")
|| !strcasecmp(var+offset, "added"))
if (!strcasecmp(slot, "updated") || !strcasecmp(slot, "added"))
return WT_STATUS_UPDATED;
if (!strcasecmp(var+offset, "changed"))
if (!strcasecmp(slot, "changed"))
return WT_STATUS_CHANGED;
if (!strcasecmp(var+offset, "untracked"))
if (!strcasecmp(slot, "untracked"))
return WT_STATUS_UNTRACKED;
if (!strcasecmp(var+offset, "nobranch"))
if (!strcasecmp(slot, "nobranch"))
return WT_STATUS_NOBRANCH;
if (!strcasecmp(var+offset, "unmerged"))
if (!strcasecmp(slot, "unmerged"))
return WT_STATUS_UNMERGED;
return -1;
}
@ -1291,7 +1290,7 @@ static int git_status_config(const char *k, const char *v, void *cb)
return 0;
}
if (starts_with(k, "status.color.") || starts_with(k, "color.status.")) {
int slot = parse_status_slot(k, 13);
int slot = parse_status_slot(k + 13);
if (slot < 0)
return 0;
if (!v)

2
builtin/log.c
View File

@ -389,7 +389,7 @@ static int git_log_config(const char *var, const char *value, void *cb)
return 0;
}
if (starts_with(var, "color.decorate."))
return parse_decorate_color_config(var, 15, value);
return parse_decorate_color_config(var, var + 15, value);
if (!strcmp(var, "log.mailmap")) {
use_mailmap_config = git_config_bool(var, value);
return 0;

4
log-tree.c
View File

@ -66,9 +66,9 @@ static int parse_decorate_color_slot(const char *slot)
return -1;
}
int parse_decorate_color_config(const char *var, const int ofs, const char *value)
int parse_decorate_color_config(const char *var, const char *slot_name, const char *value)
{
int slot = parse_decorate_color_slot(var + ofs);
int slot = parse_decorate_color_slot(slot_name);
if (slot < 0)
return 0;
if (!value)

2
log-tree.h
View File

@ -7,7 +7,7 @@ struct log_info {
struct commit *commit, *parent;
};
int parse_decorate_color_config(const char *var, const int ofs, const char *value);
int parse_decorate_color_config(const char *var, const char *slot_name, const char *value);
void init_log_tree_opt(struct rev_info *);
int log_tree_diff_flush(struct rev_info *);
int log_tree_commit(struct rev_info *, struct commit *);