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awk: fix SEGV on read error in -f PROGFILE

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function                                             old     new   delta
awk_main                                             829     843     +14

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2023-06-07 10:54:34 +02:00
parent f4789164e0
commit 113685fbcd
1 changed files with 2 additions and 2 deletions
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4
editors/awk.c
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@ -3609,8 +3609,6 @@ static var *evaluate(node *op, var *res)
#undef sreg
}
/* -------- main & co. -------- */
static int awk_exit(void)
{
unsigned i;
@ -3717,6 +3715,8 @@ int awk_main(int argc UNUSED_PARAM, char **argv)
g_progname = llist_pop(&list_f);
fd = xopen_stdin(g_progname);
s = xmalloc_read(fd, NULL); /* it's NUL-terminated */
if (!s)
bb_perror_msg_and_die("read error from '%s'", g_progname);
close(fd);
parse_program(s);
free(s);