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Fix TCGETWINSZ compat.

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This commit is contained in:
Todd C. Miller
2010-10-07 14:11:10 -04:00
parent 1a4990f571
commit e2f253e51d
3 changed files with 9 additions and 9 deletions
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1
src/exec_pty.c
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@@ -74,7 +74,6 @@
# define TIOCGWINSZ TIOCGSIZE
# define TIOCSWINSZ TIOCSSIZE
# define winsize ttysize
# define ws_cols ts_col
#endif
struct io_buffer {

2
src/sudo.h
View File

@@ -189,7 +189,7 @@ extern int tgetpass_flags;
int get_pty(int *master, int *slave, char *name, size_t namesz, uid_t uid);
/* ttysize.c */
void get_ttysize(int *linep, int *colp);
void get_ttysize(int *rowp, int *colp);
/* sudo.c */
int exec_setup(struct command_details *details, const char *ptyname, int ptyfd);

15
src/ttysize.c
View File

@@ -40,27 +40,28 @@
#if !defined(TIOCGWINSZ) && defined(TIOCGSIZE)
# define TIOCGWINSZ TIOCGSIZE
# define winsize ttysize
# define ws_cols ts_col
# define ws_col ts_cols
# define ws_row ts_lines
#endif
void
get_ttysize(int *linep, int *colp)
get_ttysize(int *rowp, int *colp)
{
char *p;
#ifdef TIOCGWINSZ
struct winsize wsize;
if (ioctl(STDERR_FILENO, TIOCGWINSZ, &wsize) == 0 &&
wsize.ws_lines != 0 && wsize.ws_cols != 0) {
*linep = wsize.ws_lines;
*colp = wsize.ws_cols;
wsize.ws_row != 0 && wsize.ws_col != 0) {
*rowp = wsize.ws_row;
*colp = wsize.ws_col;
return;
}
#endif
/* Fall back on $LINES and $COLUMNS. */
if ((p = getenv("LINES")) == NULL || (*linep = atoi(p)) <= 0)
*linep = 24;
if ((p = getenv("LINES")) == NULL || (*rowp = atoi(p)) <= 0)
*rowp = 24;
if ((p = getenv("COLUMNS")) == NULL || (*colp = atoi(p)) <= 0)
*colp = 80;
}