diff options
Diffstat (limited to 'src/interfaces/libpq/fe-connect.c')
| -rw-r--r-- | src/interfaces/libpq/fe-connect.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/src/interfaces/libpq/fe-connect.c b/src/interfaces/libpq/fe-connect.c index 5e505e19bd..562533401e 100644 --- a/src/interfaces/libpq/fe-connect.c +++ b/src/interfaces/libpq/fe-connect.c @@ -4292,7 +4292,6 @@ internal_cancel(SockAddr *raddr, int be_pid, int be_key, { int save_errno = SOCK_ERRNO; pgsocket tmpsock = PGINVALID_SOCKET; - char sebuf[PG_STRERROR_R_BUFLEN]; int maxlen; struct { @@ -4371,8 +4370,25 @@ cancel_errReturn: maxlen = errbufsize - strlen(errbuf) - 2; if (maxlen >= 0) { - strncat(errbuf, SOCK_STRERROR(SOCK_ERRNO, sebuf, sizeof(sebuf)), - maxlen); + /* + * We can't invoke strerror here, since it's not signal-safe. Settle + * for printing the decimal value of errno. Even that has to be done + * the hard way. + */ + int val = SOCK_ERRNO; + char buf[32]; + char *bufp; + + bufp = buf + sizeof(buf) - 1; + *bufp = '\0'; + do + { + *(--bufp) = (val % 10) + '0'; + val /= 10; + } while (val > 0); + bufp -= 6; + memcpy(bufp, "error ", 6); + strncat(errbuf, bufp, maxlen); strcat(errbuf, "\n"); } if (tmpsock != PGINVALID_SOCKET) |