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convert: make it safer to add conversion attributes 

The places that need to pass an array of "struct git_attr_check" needed to
be careful to pass a large enough array and know what index each element
lied.  Make it safer and easier to code these.

Besides, the hard-coded sequence of initializing various attributes was
too ugly after we gained more than a few attributes.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2011-05-09 11:23:04 -07:00
parent c61dcff9d6
commit 83295964b3
1 changed files with 22 additions and 26 deletions
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48
convert.c
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@ -475,30 +475,6 @@ static int read_convert_config(const char *var, const char *value, void *cb)
return 0;
}
static void setup_convert_check(struct git_attr_check *check)
{
static struct git_attr *attr_text;
static struct git_attr *attr_crlf;
static struct git_attr *attr_eol;
static struct git_attr *attr_ident;
static struct git_attr *attr_filter;
if (!attr_text) {
attr_text = git_attr("text");
attr_crlf = git_attr("crlf");
attr_eol = git_attr("eol");
attr_ident = git_attr("ident");
attr_filter = git_attr("filter");
user_convert_tail = &user_convert;
git_config(read_convert_config, NULL);
}
check[0].attr = attr_crlf;
check[1].attr = attr_ident;
check[2].attr = attr_filter;
check[3].attr = attr_eol;
check[4].attr = attr_text;
}
static int count_ident(const char *cp, unsigned long size)
{
/*
@ -727,10 +703,30 @@ static enum crlf_action input_crlf_action(enum crlf_action text_attr, enum eol e
return text_attr;
}
static const char *conv_attr_name[] = {
"crlf", "ident", "filter", "eol", "text",
};
#define NUM_CONV_ATTRS ARRAY_SIZE(conv_attr_name)
static void setup_convert_check(struct git_attr_check *check)
{
int i;
static struct git_attr_check ccheck[NUM_CONV_ATTRS];
if (!ccheck[0].attr) {
for (i = 0; i < NUM_CONV_ATTRS; i++)
ccheck[i].attr = git_attr(conv_attr_name[i]);
user_convert_tail = &user_convert;
git_config(read_convert_config, NULL);
}
for (i = 0; i < NUM_CONV_ATTRS; i++)
check[i].attr = ccheck[i].attr;
}
int convert_to_git(const char *path, const char *src, size_t len,
struct strbuf *dst, enum safe_crlf checksafe)
{
struct git_attr_check check[5];
struct git_attr_check check[NUM_CONV_ATTRS];
enum crlf_action crlf_action = CRLF_GUESS;
enum eol eol_attr = EOL_UNSET;
int ident = 0, ret = 0;
@ -767,7 +763,7 @@ static int convert_to_working_tree_internal(const char *path, const char *src,
size_t len, struct strbuf *dst,
int normalizing)
{
struct git_attr_check check[5];
struct git_attr_check check[NUM_CONV_ATTRS];
enum crlf_action crlf_action = CRLF_GUESS;
enum eol eol_attr = EOL_UNSET;
int ident = 0, ret = 0;