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cache.h: complete set of git_path_submodule helpers

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The git_path function has "git_pathdup" and
"strbuf_git_path" variants, but git_submodule_path only
comes in the dangerous, static-buffer variant. That makes
refactoring callers to use the safer functions hard (since
they don't exist).

Since we're already using a strbuf behind the scenes, it's
easy to expose all three of these interfaces with thin
wrappers.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2015-08-10 05:32:22 -04:00 committed by Junio C Hamano
parent 69ddd231fe
commit f5895fd399
2 changed files with 35 additions and 5 deletions
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5
cache.h
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@ -724,10 +724,15 @@ extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
__attribute__((format (printf, 3, 4)));
extern void strbuf_git_path(struct strbuf *sb, const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
extern void strbuf_git_path_submodule(struct strbuf *sb, const char *path,
const char *fmt, ...)
__attribute__((format (printf, 3, 4)));
extern char *git_pathdup(const char *fmt, ...)
__attribute__((format (printf, 1, 2)));
extern char *mkpathdup(const char *fmt, ...)
__attribute__((format (printf, 1, 2)));
extern char *git_pathdup_submodule(const char *path, const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
extern void report_linked_checkout_garbage(void);

35
path.c
View File

@ -224,11 +224,10 @@ const char *mkpath(const char *fmt, ...)
return cleanup_path(pathname->buf);
}
const char *git_path_submodule(const char *path, const char *fmt, ...)
static void do_submodule_path(struct strbuf *buf, const char *path,
const char *fmt, va_list args)
{
struct strbuf *buf = get_pathname();
const char *git_dir;
va_list args;
strbuf_addstr(buf, path);
if (buf->len && buf->buf[buf->len - 1] != '/')
@ -242,13 +241,39 @@ const char *git_path_submodule(const char *path, const char *fmt, ...)
}
strbuf_addch(buf, '/');
va_start(args, fmt);
strbuf_vaddf(buf, fmt, args);
va_end(args);
strbuf_cleanup_path(buf);
}
const char *git_path_submodule(const char *path, const char *fmt, ...)
{
va_list args;
struct strbuf *buf = get_pathname();
va_start(args, fmt);
do_submodule_path(buf, path, fmt, args);
va_end(args);
return buf->buf;
}
char *git_pathdup_submodule(const char *path, const char *fmt, ...)
{
va_list args;
struct strbuf buf = STRBUF_INIT;
va_start(args, fmt);
do_submodule_path(&buf, path, fmt, args);
va_end(args);
return strbuf_detach(&buf, NULL);
}
void strbuf_git_path_submodule(struct strbuf *buf, const char *path,
const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
do_submodule_path(buf, path, fmt, args);
va_end(args);
}
int validate_headref(const char *path)
{
struct stat st;