Andrew Geissler | 706d5aa | 2021-02-12 15:55:30 -0600 | [diff] [blame^] | 1 | From 4938705454cf46cfe8deac8ce457d5d2432cbead Mon Sep 17 00:00:00 2001 |
Brad Bishop | 1932369 | 2019-04-05 15:28:33 -0400 | [diff] [blame] | 2 | From: Chen Qi <Qi.Chen@windriver.com> |
| 3 | Date: Tue, 10 Jul 2018 15:40:17 +0800 |
Andrew Geissler | 706d5aa | 2021-02-12 15:55:30 -0600 | [diff] [blame^] | 4 | Subject: [PATCH] distinguish XSI-compliant strerror_r from GNU-specifi |
Brad Bishop | 1932369 | 2019-04-05 15:28:33 -0400 | [diff] [blame] | 5 | strerror_r |
| 6 | |
| 7 | XSI-compliant strerror_r and GNU-specifi strerror_r are different. |
| 8 | |
| 9 | int strerror_r(int errnum, char *buf, size_t buflen); |
| 10 | /* XSI-compliant */ |
| 11 | |
| 12 | char *strerror_r(int errnum, char *buf, size_t buflen); |
| 13 | /* GNU-specific */ |
| 14 | |
| 15 | We need to distinguish between them. Otherwise, we'll get an int value |
| 16 | assigned to (char *) variable, resulting in segment fault. |
| 17 | |
| 18 | Upstream-Status: Inappropriate [musl specific] |
| 19 | |
| 20 | Signed-off-by: Chen Qi <Qi.Chen@windriver.com> |
Andrew Geissler | 706d5aa | 2021-02-12 15:55:30 -0600 | [diff] [blame^] | 21 | |
Brad Bishop | 1932369 | 2019-04-05 15:28:33 -0400 | [diff] [blame] | 22 | --- |
| 23 | src/journal/journal-send.c | 5 +++++ |
| 24 | src/libsystemd/sd-bus/bus-error.c | 5 +++++ |
| 25 | 2 files changed, 10 insertions(+) |
| 26 | |
Andrew Geissler | 706d5aa | 2021-02-12 15:55:30 -0600 | [diff] [blame^] | 27 | Index: systemd-stable/src/journal/journal-send.c |
| 28 | =================================================================== |
| 29 | --- systemd-stable.orig/src/journal/journal-send.c |
| 30 | +++ systemd-stable/src/journal/journal-send.c |
| 31 | @@ -348,7 +348,12 @@ static int fill_iovec_perror_and_send(co |
Brad Bishop | 1932369 | 2019-04-05 15:28:33 -0400 | [diff] [blame] | 32 | char* j; |
| 33 | |
| 34 | errno = 0; |
| 35 | +#ifndef __GLIBC__ |
| 36 | + strerror_r(_saved_errno_, buffer + 8 + k, n - 8 - k); |
| 37 | + j = buffer + 8 + k; |
| 38 | +#else |
| 39 | j = strerror_r(_saved_errno_, buffer + 8 + k, n - 8 - k); |
| 40 | +#endif |
| 41 | if (errno == 0) { |
| 42 | char error[STRLEN("ERRNO=") + DECIMAL_STR_MAX(int) + 1]; |
| 43 | |
Andrew Geissler | 706d5aa | 2021-02-12 15:55:30 -0600 | [diff] [blame^] | 44 | Index: systemd-stable/src/libsystemd/sd-bus/bus-error.c |
| 45 | =================================================================== |
| 46 | --- systemd-stable.orig/src/libsystemd/sd-bus/bus-error.c |
| 47 | +++ systemd-stable/src/libsystemd/sd-bus/bus-error.c |
| 48 | @@ -379,7 +379,12 @@ static void bus_error_strerror(sd_bus_er |
Brad Bishop | 1932369 | 2019-04-05 15:28:33 -0400 | [diff] [blame] | 49 | return; |
| 50 | |
| 51 | errno = 0; |
| 52 | +#ifndef __GLIBC__ |
| 53 | + strerror_r(error, m, k); |
| 54 | + x = m; |
| 55 | +#else |
| 56 | x = strerror_r(error, m, k); |
| 57 | +#endif |
| 58 | if (errno == ERANGE || strlen(x) >= k - 1) { |
| 59 | free(m); |
| 60 | k *= 2; |