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sunrpc: Fix netname build with older gcc

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The -Wformat-overflow was added by gcc 8.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>

(cherry picked from commit 0eb6b2725b)
This commit is contained in:
Adhemerval Zanella Netto 2023-07-24 14:15:23 -03:00 committed by Florian Weimer
parent bd9f194c34
commit 8b8a3f0aaf
1 changed files with 4 additions and 0 deletions
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sunrpc/netname.c
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@ -52,10 +52,14 @@ user2netname (char netname[MAXNETNAMELEN + 1], const uid_t uid,
/* GCC with -Os or -O1 warns that sprint might overflow while handling
dfltdom, however the above test does check if an overflow would
happen. */
#if __GNUC_PREREQ (8, 0)
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (8, "-Wformat-overflow");
#endif
sprintf (netname, "%s.%d@%s", OPSYS, uid, dfltdom);
#if __GNUC_PREREQ (8, 0)
DIAG_POP_NEEDS_COMMENT;
#endif
i = strlen (netname);
if (netname[i - 1] == '.')
netname[i - 1] = '\0';