On Thu, Feb 23, 2017 at 04:26:57PM +0100, Pavel Hrdina wrote:
Signed-off-by: Pavel Hrdina <phrd...@redhat.com>
---
cfg.mk                                | 14 ++++++++------
src/storage/storage_backend_logical.c |  6 +++---
src/test/test_driver.c                |  2 +-
src/util/vircgroup.c                  |  4 +---
src/xen/xend_internal.c               |  2 +-
5 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/cfg.mk b/cfg.mk
index 22c655eac6..6646509206 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -390,6 +390,11 @@ sc_prohibit_strdup:
        halt='use VIR_STRDUP, not strdup'                               \
          $(_sc_search_regexp)

+sc_prohibit_strcat:
+       @prohibit='\<strn?cat\> *\('                                      \
+       halt='use VIR_STRCAT, not strcat'                               \
+         $(_sc_search_regexp)
+
# Prefer virSetUIDGID.
sc_prohibit_setuid:
        @prohibit='\<set(re)?[ug]id\> *\('                                \
@@ -994,12 +999,6 @@ sc_prohibit_not_streq:
        halt='Use STRNEQ instead of !STREQ and STREQ instead of !STRNEQ'        
\
          $(_sc_search_regexp)

-sc_prohibit_verbose_strcat:
-       @prohibit='strncat\([^,]*,\s+([^,]*),\s+strlen\(\1\)\)'     \
-       in_vc_files='\.[ch]$$'                                      \
-       halt='Use strcat(a, b) instead of strncat(a, b, strlen(b))' \
-         $(_sc_search_regexp)
-
# Ensure that each .c file containing a "main" function also
# calls virGettextInitialize
sc_gettext_init:
@@ -1134,6 +1133,9 @@ exclude_file_name_regexp--sc_prohibit_asprintf = \
exclude_file_name_regexp--sc_prohibit_strdup = \
  
^(docs/|examples/|src/util/virstring\.c|tests/vir(netserverclient|cgroup)mock.c$$)

+exclude_file_name_regexp--sc_prohibit_strcat = \
+  ^(docs/|src/util/virstring\.c|tests/virstringtest\.c)$$

why virstringtest.c?

+
exclude_file_name_regexp--sc_prohibit_close = \
  
(\.p[yl]$$|\.spec\.in$$|^docs/|^(src/util/virfile\.c|src/libvirt-stream\.c|tests/vir.+mock\.c)$$)

diff --git a/src/storage/storage_backend_logical.c 
b/src/storage/storage_backend_logical.c
index 756c62e908..5e006a980a 100644
--- a/src/storage/storage_backend_logical.c
+++ b/src/storage/storage_backend_logical.c
@@ -201,11 +201,11 @@ 
virStorageBackendLogicalParseVolExtents(virStorageVolDefPtr vol,
    /* Allocate space for 'nextents' regex_unit strings plus a comma for each */
    if (VIR_ALLOC_N(regex, nextents * (strlen(regex_unit) + 1) + 1) < 0)
        goto cleanup;
-    strcat(regex, regex_unit);
+    VIR_STRCAT_INPLACE(regex, regex_unit);
    for (i = 1; i < nextents; i++) {
        /* "," is the separator of "devices" field */
-        strcat(regex, ",");
-        strcat(regex, regex_unit);
+        VIR_STRCAT_INPLACE(regex, ",");
+        VIR_STRCAT_INPLACE(regex, regex_unit);
    }

    if (VIR_ALLOC(reg) < 0)
diff --git a/src/test/test_driver.c b/src/test/test_driver.c
index 5fef3f10b9..be887ec1bb 100644
--- a/src/test/test_driver.c
+++ b/src/test/test_driver.c
@@ -699,7 +699,7 @@ static char *testBuildFilename(const char *relativeTo,
            VIR_FREE(absFile);
            return NULL;
        }
-        strcat(absFile, filename);
+        ignore_value(VIR_STRCAT_INPLACE(absFile, filename));
        return absFile;
    } else {
        ignore_value(VIR_STRDUP(ret, filename));
diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index 5aa1db5b14..e8210ca6eb 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -1299,10 +1299,8 @@ virCgroupSetPartitionSuffix(const char *path, char **res)
         */
        if (STRNEQ(tokens[i], "") &&
            !strchr(tokens[i], '.')) {
-            if (VIR_REALLOC_N(tokens[i],
-                              strlen(tokens[i]) + strlen(".partition") + 1) < 
0)
+            if (VIR_STRCAT(tokens[i], ".partition") < 0)
                goto cleanup;
-            strcat(tokens[i], ".partition");

Not counting the rest of your patches, just for now, is this the only
place the VIR_STRCAT adds value?  This makes me even more cautious about
the patches.

        }

        if (virCgroupPartitionEscape(&(tokens[i])) < 0)
diff --git a/src/xen/xend_internal.c b/src/xen/xend_internal.c
index 605c3cdccf..1f9d4c6959 100644
--- a/src/xen/xend_internal.c
+++ b/src/xen/xend_internal.c
@@ -1824,7 +1824,7 @@ xenDaemonDomainPinVcpu(virConnectPtr conn,
    for (i = 0; i < maplen; i++) for (j = 0; j < 8; j++)
     if (cpumap[i] & (1 << j)) {
        snprintf(buf, sizeof(buf), "%zu,", (8 * i) + j);
-        strcat(mapstr, buf);
+        VIR_STRCAT_INPLACE(mapstr, buf);
    }
    mapstr[strlen(mapstr) - 1] = 0;

--
2.11.1

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