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startup: don't crash when opening standard input would fail 

This fixes https://savannah.gnu.org/bugs/?51206.
master
Benno Schulenberg 2017-06-08 10:40:19 +02:00
parent 52b7a41ea4
commit 942bb39547
1 changed files with 9 additions and 3 deletions
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12
src/nano.c
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@ -1145,8 +1145,14 @@ void stdin_pager(void)
/* Open standard input. */ /* Open standard input. */
stream = fopen("/dev/stdin", "rb"); stream = fopen("/dev/stdin", "rb");
if (stream == NULL) if (stream == NULL) {
nperror("fopen"); int errnumber = errno;
terminal_init();
doupdate();
statusline(ALERT, _("Failed to open stdin: %s"), strerror(errnumber));
return;
}
/* Read the input into a new buffer. */ /* Read the input into a new buffer. */
open_buffer("", FALSE); open_buffer("", FALSE);
@ -1167,6 +1173,7 @@ void stdin_pager(void)
terminal_init(); terminal_init();
doupdate(); doupdate();
set_modified();
} }
/* Register half a dozen signal handlers. */ /* Register half a dozen signal handlers. */
@ -2528,7 +2535,6 @@ int main(int argc, char **argv)
/* If one of the arguments is a dash, read text from standard input. */ /* If one of the arguments is a dash, read text from standard input. */
if (optind < argc && !strcmp(argv[optind], "-")) { if (optind < argc && !strcmp(argv[optind], "-")) {
stdin_pager(); stdin_pager();
set_modified();
optind++; optind++;
} }