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git-var: constness and globalness cleanup. 

var.c::git_var read function did not have to return writable
strings; make it and the functions it points at return const char *
instead.

ident.c::get_ident() did not need to be global, so make it
static.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2005-11-21 23:44:35 -08:00
parent 9ce392f482
commit c7d77dab93
3 changed files with 13 additions and 9 deletions
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5
cache.h
View File

@ -263,9 +263,8 @@ void datestamp(char *buf, int bufsize);
unsigned long approxidate(const char *);
extern int setup_ident(void);
extern char *get_ident(const char *name, const char *email, const char *date_str);
extern char *git_author_info(void);
extern char *git_committer_info(void);
extern const char *git_author_info(void);
extern const char *git_committer_info(void);
static inline void *xmalloc(size_t size)
{

15
ident.c
View File

@ -156,7 +156,8 @@ static int copy(char *buf, int size, int offset, const char *src)
return offset;
}
char *get_ident(const char *name, const char *email, const char *date_str)
static const char *get_ident(const char *name, const char *email,
const char *date_str)
{
static char buffer[1000];
char date[50];
@ -181,12 +182,16 @@ char *get_ident(const char *name, const char *email, const char *date_str)
return buffer;
}
char *git_author_info(void)
const char *git_author_info(void)
{
return get_ident(getenv("GIT_AUTHOR_NAME"), getenv("GIT_AUTHOR_EMAIL"), getenv("GIT_AUTHOR_DATE"));
return get_ident(getenv("GIT_AUTHOR_NAME"),
getenv("GIT_AUTHOR_EMAIL"),
getenv("GIT_AUTHOR_DATE"));
}
char *git_committer_info(void)
const char *git_committer_info(void)
{
return get_ident(getenv("GIT_COMMITTER_NAME"), getenv("GIT_COMMITTER_EMAIL"), getenv("GIT_COMMITTER_DATE"));
return get_ident(getenv("GIT_COMMITTER_NAME"),
getenv("GIT_COMMITTER_EMAIL"),
getenv("GIT_COMMITTER_DATE"));
}

2
var.c
View File

@ -12,7 +12,7 @@ static const char var_usage[] = "git-var [-l | <variable>]";
struct git_var {
const char *name;
char *(*read)(void);
const char *(*read)(void);
};
static struct git_var git_vars[] = {
{ "GIT_COMMITTER_IDENT", git_committer_info },