diff options
Diffstat (limited to 'printutils/lpr.c')
| -rw-r--r-- | printutils/lpr.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/printutils/lpr.c b/printutils/lpr.c index 52983bf..09fbc6a 100644 --- a/printutils/lpr.c +++ b/printutils/lpr.c @@ -19,19 +19,26 @@ */ static void get_response_or_say_and_die(const char *errmsg) { - static const char newline = '\n'; - char buf = ' '; + ssize_t sz; + char buf[128]; fflush(stdout); - safe_read(STDOUT_FILENO, &buf, 1); - if ('\0' != buf) { + buf[0] = ' '; + sz = safe_read(STDOUT_FILENO, buf, 1); + if ('\0' != buf[0]) { // request has failed - bb_error_msg("error while %s. Server said:", errmsg); - safe_write(STDERR_FILENO, &buf, 1); - logmode = 0; /* no error messages from bb_copyfd_eof() pls */ - bb_copyfd_eof(STDOUT_FILENO, STDERR_FILENO); - safe_write(STDERR_FILENO, &newline, 1); + // try to make sure last char is '\n', but do not add + // superfluous one + sz = full_read(STDOUT_FILENO, buf + 1, 126); + bb_error_msg("error while %s%s", errmsg, + (sz > 0 ? ". Server said:" : "")); + if (sz > 0) { + // sz = (bytes in buf) - 1 + if (buf[sz] != '\n') + buf[++sz] = '\n'; + safe_write(STDERR_FILENO, buf, sz + 1); + } xfunc_die(); } } |