diff options
Diffstat (limited to 'text-utils/col.c')
| -rw-r--r-- | text-utils/col.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/text-utils/col.c b/text-utils/col.c index 052d91e7a..3b81a891a 100644 --- a/text-utils/col.c +++ b/text-utils/col.c @@ -128,6 +128,7 @@ int main(int argc, char **argv) int this_line; /* line l points to */ int nflushd_lines; /* number of lines that were flushed */ int adjust, opt, warned; + int ret = 0; setlocale(LC_ALL, ""); bindtextdomain(PACKAGE, LOCALEDIR); @@ -175,8 +176,16 @@ int main(int argc, char **argv) cur_line = max_line = nflushd_lines = this_line = 0; cur_set = last_set = CS_NORMAL; lines = l = alloc_line(); - - while ((ch = getwchar()) != WEOF) { + + while (feof(stdin)==0) { + errno = 0; + if ((ch = getwchar()) == WEOF) { + if (errno==EILSEQ) { + perror("col"); + ret = 1; + } + break; + } if (!iswgraph(ch)) { switch (ch) { case BS: /* can't go back further */ @@ -332,7 +341,7 @@ int main(int argc, char **argv) flush_blanks(); if (ferror(stdout) || fclose(stdout)) return 1; - return 0; + return ret; } void flush_lines(int nflush) |