From 0d8589c56547098d9026856c85dbf0d72d72e36c Mon Sep 17 00:00:00 2001 From: Francesco Cosoleto Date: Sat, 18 Dec 2010 19:24:03 +0100 Subject: [PATCH] cfdisk: close the program when terminal isn't present cfdisk was getting characters without checking ERR return code, causing an endless while loop in do_curses_fdisk() or in other functions when the terminal is lost. [kzak@redhat.com: - fix coding style, remove CR macro] Signed-off-by: Francesco Cosoleto Signed-off-by: Karel Zak --- fdisk/cfdisk.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/fdisk/cfdisk.c b/fdisk/cfdisk.c index 1e078a9f..866d02af 100644 --- a/fdisk/cfdisk.c +++ b/fdisk/cfdisk.c @@ -150,7 +150,6 @@ #define COL_ID_WIDTH 25 -#define CR '\015' #define ESC '\033' #define DEL '\177' #define BELL '\007' @@ -428,7 +427,7 @@ fdexit(int ret) { static int get_string(char *str, int len, char *def) { size_t cells = 0, i = 0; - int x, y, key; + int x, y; int use_def = FALSE; wint_t c; @@ -445,13 +444,21 @@ get_string(char *str, int len, char *def) { refresh(); + while (1) { #if !defined(HAVE_SLCURSES_H) && !defined(HAVE_SLANG_SLCURSES_H) && \ defined(HAVE_LIBNCURSESW) && defined(HAVE_WIDECHAR) - while ((key = get_wch(&c)) != ERR && - c != '\r' && c != '\n' && c != KEY_ENTER) { + if (get_wch(&c) == ERR) { #else - while ((c = getch()) != '\n' && c != CR) { + if ((c = getch()) == ERR) { #endif + if (!isatty(STDIN_FILENO)) + exit(2); + else + break; + } + if (c == '\r' || c == '\n' || c == KEY_ENTER) + break; + switch (c) { case ESC: move(y, x); @@ -1131,6 +1138,10 @@ menuSelect( int y, int x, struct MenuItem *menuItems, int itemLength, refresh(); key = getch(); + if (key == ERR) + if (!isatty(STDIN_FILENO)) + exit(2); + /* Clear out all prompts and such */ clear_warning(); for (i = y; i < ylast; i++) { @@ -1176,7 +1187,7 @@ menuSelect( int y, int x, struct MenuItem *menuItems, int itemLength, } /* Enter equals the keyboard shortcut of current menu item */ - if (key == CR) + if (key == '\r') key = menuItems[current].key; /* Give alternatives for arrow keys in case the window manager -- 2.39.5