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config: restructure format_config() for better control flow

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Commit 578625fa91 (config: add '--name-only' option to list only
variable names, 2015-08-10) modified format_config() such that it
returned from the middle of the function when showing only keys,
resulting in ugly code structure.

Reorganize the if statements and dealing with the key-value delimiter to
make the function easier to read.

Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
SZEDER Gábor
2015-08-20 16:14:22 +02:00
committed by Junio C Hamano
parent 905f2036d0
commit ebca2d4957
1 changed files with 37 additions and 41 deletions
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24
builtin/config.c
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@ -108,21 +108,16 @@ struct strbuf_list {
static int format_config(struct strbuf *buf, const char *key_, const char *value_)
{
strbuf_init(buf, 0);
if (show_keys)
strbuf_addstr(buf, key_);
if (!omit_values) {
int must_free_vptr = 0;
int must_print_delim = 0;
int must_add_delim = show_keys;
char value[256];
const char *vptr = value;
strbuf_init(buf, 0);
if (show_keys) {
strbuf_addstr(buf, key_);
must_print_delim = 1;
}
if (omit_values) {
strbuf_addch(buf, term);
return 0;
}
if (types == TYPE_INT)
sprintf(value, "%"PRId64,
git_config_int64(key_, value_ ? value_ : ""));
@ -144,16 +139,17 @@ static int format_config(struct strbuf *buf, const char *key_, const char *value
} else {
/* Just show the key name */
vptr = "";
must_print_delim = 0;
must_add_delim = 0;
}
if (must_print_delim)
if (must_add_delim)
strbuf_addch(buf, key_delim);
strbuf_addstr(buf, vptr);
strbuf_addch(buf, term);
if (must_free_vptr)
free((char *)vptr);
}
strbuf_addch(buf, term);
return 0;
}