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From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/azanella/clang] resolv: Handle -Wsometimes-uninitialized on getaddrinfo Date: Fri, 13 May 2022 14:21:18 +0000 (GMT) [thread overview] Message-ID: <20220513142118.1A60C396D831@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=404e7637b387cb8934d3cd8450f93ba98670982e commit 404e7637b387cb8934d3cd8450f93ba98670982e Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Tue Mar 22 16:01:34 2022 -0300 resolv: Handle -Wsometimes-uninitialized on getaddrinfo Diff: --- sysdeps/posix/getaddrinfo.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index db4cd2f12f..9fd7b9a63d 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -1867,6 +1867,10 @@ add_prefixlist (struct prefixlist **listp, size_t *lenp, bool *nullbitsp, if (cp != NULL) *cp++ = '\0'; *pos = cp; + /* clang warns that endp is used uninitialized whenever '||' condition + is true, however it will be evaluated after strtoul call. */ + DIAG_PUSH_NEEDS_COMMENT_CLANG; + DIAG_IGNORE_NEEDS_COMMENT_CLANG (13, "-Wsometimes-uninitialized"); if (inet_pton (AF_INET6, val1, &prefix) && (cp == NULL || (bits = strtoul (cp, &endp, 10)) != ULONG_MAX @@ -1890,6 +1894,7 @@ add_prefixlist (struct prefixlist **listp, size_t *lenp, bool *nullbitsp, ++*lenp; *nullbitsp |= bits == 0; } + DIAG_POP_NEEDS_COMMENT_CLANG; return true; } @@ -2028,6 +2033,11 @@ gaiconf_init (void) if (inet_pton (AF_INET6, val1, &prefix)) { bits = 128; + /* clang warns that endp is used uninitialized whenever '||' + condition is true, however it will be evaluated after + strtoul call. */ + DIAG_PUSH_NEEDS_COMMENT_CLANG; + DIAG_IGNORE_NEEDS_COMMENT_CLANG (13, "-Wsometimes-uninitialized"); if (IN6_IS_ADDR_V4MAPPED (&prefix) && (cp == NULL || (bits = strtoul (cp, &endp, 10)) != ULONG_MAX @@ -2049,6 +2059,7 @@ gaiconf_init (void) goto no_file; } } + DIAG_POP_NEEDS_COMMENT_CLANG; } else if (inet_pton (AF_INET, val1, &prefix.s6_addr32[3]) && (cp == NULL
next reply other threads:[~2022-05-13 14:21 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-13 14:21 Adhemerval Zanella [this message] -- strict thread matches above, loose matches on Subject: below -- 2024-01-29 17:54 Adhemerval Zanella 2023-12-21 18:51 Adhemerval Zanella 2023-09-28 17:49 Adhemerval Zanella 2023-08-30 12:34 Adhemerval Zanella 2023-02-09 19:46 Adhemerval Zanella 2022-10-28 17:39 Adhemerval Zanella 2022-10-04 12:57 Adhemerval Zanella 2022-06-09 21:21 Adhemerval Zanella 2022-06-09 13:18 Adhemerval Zanella 2022-06-03 14:07 Adhemerval Zanella 2022-05-12 19:35 Adhemerval Zanella 2022-05-10 18:25 Adhemerval Zanella 2022-04-29 14:05 Adhemerval Zanella 2022-04-04 12:55 Adhemerval Zanella 2022-03-31 19:08 Adhemerval Zanella 2022-03-29 20:31 Adhemerval Zanella
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