diff options
| -rw-r--r-- | dmi.c | 25 |
1 files changed, 17 insertions, 8 deletions
@@ -76,15 +76,24 @@ static char *get_dmi_string(const char *string_name) msg_perr("DMI pipe open error\n"); return NULL; } - if (!fgets(answerbuf, DMI_MAX_ANSWER_LEN, dmidecode_pipe)) { - if(ferror(dmidecode_pipe)) { - msg_perr("DMI pipe read error\n"); - pclose(dmidecode_pipe); - return NULL; - } else { - answerbuf[0] = 0; /* Hit EOF */ + + /* Kill lines starting with '#', as recent dmidecode versions + have the quirk to emit a "# SMBIOS implementations newer..." + message even on "-s" if the SMBIOS declares a + newer-than-supported version number, while it *should* only print + the requested string. */ + do { + if (!fgets(answerbuf, DMI_MAX_ANSWER_LEN, dmidecode_pipe)) { + if(ferror(dmidecode_pipe)) { + msg_perr("DMI pipe read error\n"); + pclose(dmidecode_pipe); + return NULL; + } else { + answerbuf[0] = 0; /* Hit EOF */ + } } - } + } while(answerbuf[0] == '#'); + /* Toss all output above DMI_MAX_ANSWER_LEN away to prevent deadlock on pclose. */ while (!feof(dmidecode_pipe)) |