[libvirt PATCH 3/6] tests: virfilemock: realpath: Allow non-null second parameter

When other preloaded libraries wrap and / or make calls to `realpath` (e.g. LLVM's AddessSanitizer), the second parameter is no longer guaranteed to be NULL. Signed-off-by: Tim Wiederhake <twiederh(a)redhat.com&gt; --- build-aux/syntax-check.mk | 2 +- tests/virfilemock.c | 12 ++++++------ 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/build-aux/syntax-check.mk b/build-aux/syntax-check.mk index 552d639119..03b7599abc 100644 --- a/build-aux/syntax-check.mk +++ b/build-aux/syntax-check.mk @@ -1740,7 +1740,7 @@ exclude_file_name_regexp--sc_libvirt_unmarked_diagnostics = \ exclude_file_name_regexp--sc_po_check = ^(docs/|src/rpc/gendispatch\.pl$$|tests/commandtest.c$$) exclude_file_name_regexp--sc_prohibit_PATH_MAX = \ - ^build-aux/syntax-check\.mk$$ + ^(build-aux/syntax-check\.mk|tests/virfilemock.c)$$ exclude_file_name_regexp--sc_prohibit_access_xok = \ ^(src/util/virutil\.c)$$ diff --git a/tests/virfilemock.c b/tests/virfilemock.c index 7c9174bdd9..cba66feac0 100644 --- a/tests/virfilemock.c +++ b/tests/virfilemock.c @@ -24,7 +24,6 @@ #if WITH_LINUX_MAGIC_H # include <linux/magic.h> #endif -#include <assert.h> #include "virmock.h" #include "virstring.h" @@ -186,15 +185,16 @@ realpath(const char *path, char *resolved) if (getenv("LIBVIRT_MTAB")) { const char *p; - char *ret; - assert(resolved == NULL); + if (!resolved) + resolved = g_new0(char, PATH_MAX); + if ((p = STRSKIP(path, "/some/symlink"))) - ret = g_strdup_printf("/gluster%s", p); + g_snprintf(resolved, PATH_MAX, "/gluster%s", p); else - ret = g_strdup(path); + g_strlcpy(resolved, path, PATH_MAX); - return ret; + return resolved; } return real_realpath(path, resolved); -- 2.26.3