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Limit usage of extern to config.h globals

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Prefer passing arguments to declaring external global variables.  The
only remaining usage of extern is for config.h variables which are
needed in st.c instead of x.c (where it is now included).

Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
This commit is contained in:
Devin J. Pohly
2018-02-24 16:16:12 -06:00
parent a3beb626d2
commit 30683c70ab
4 changed files with 29 additions and 27 deletions

9
st.h

@ -125,7 +125,8 @@ int tattrset(int);
void tnew(int, int);
void tresize(int, int);
void tsetdirtattr(int);
void ttynew(char *, char *, char **);
void ttyhangup(void);
int ttynew(char *, char *, char *, char **);
size_t ttyread(void);
void ttyresize(int, int);
void ttywrite(const char *, size_t, int);
@ -147,13 +148,7 @@ void *xmalloc(size_t);
void *xrealloc(void *, size_t);
char *xstrdup(char *);
/* Globals */
extern int cmdfd;
extern pid_t pid;
extern int oldbutton;
/* config.h globals */
extern char *shell;
extern char *utmp;
extern char *stty_args;
extern char *vtiden;