[PATCH 1/2] msvcrt: Implement %D format for strftime

Vijay Kiran Kamuju infyquest at gmail.com
Tue Oct 1 04:51:07 CDT 2019


Signed-off-by: Vijay Kiran Kamuju <infyquest at gmail.com>
---
 dlls/msvcrt/tests/time.c   |  5 +++++
 dlls/msvcrt/time.c         | 14 ++++++++++++++
 dlls/ucrtbase/tests/misc.c |  8 ++++++++
 3 files changed, 27 insertions(+)

diff --git a/dlls/msvcrt/tests/time.c b/dlls/msvcrt/tests/time.c
index faf1a6dcb46..1bc9f3802b2 100644
--- a/dlls/msvcrt/tests/time.c
+++ b/dlls/msvcrt/tests/time.c
@@ -608,6 +608,11 @@ static void test_strftime(void)
     gmt_tm = p_gmtime(&gmt);
     ok(gmt_tm != NULL, "gmtime failed\n");
 
+    errno = 0xdeadbeef;
+    retA = p_strftime(bufA, 256, "%D", gmt_tm);
+    ok(retA == 0, "expected 0, got %ld\n", retA);
+    ok(errno==EINVAL || broken(errno==0xdeadbeef), "errno = %d\n", errno);
+
     errno = 0xdeadbeef;
     retA = p_strftime(bufA, 256, "%R", gmt_tm);
     ok(retA == 0, "expected 0, got %ld\n", retA);
diff --git a/dlls/msvcrt/time.c b/dlls/msvcrt/time.c
index c72b3ed21ee..7fe85295185 100644
--- a/dlls/msvcrt/time.c
+++ b/dlls/msvcrt/time.c
@@ -1157,6 +1157,20 @@ static MSVCRT_size_t strftime_helper(char *str, MSVCRT_size_t max, const char *f
             if(!strftime_int(str, &ret, max, mstm->tm_mday, alternate ? 0 : 2, 0, 31))
                 return 0;
             break;
+#if _MSVCR_VER>=140
+        case 'D':
+            if(!strftime_int(str, &ret, max, mstm->tm_mon+1, alternate ? 0 : 2, 1, 12))
+                return 0;
+            if(ret < max)
+                str[ret++] = '/';
+            if(!strftime_int(str, &ret, max, mstm->tm_mday, alternate ? 0 : 2, 0, 31))
+                return 0;
+            if(ret < max)
+                str[ret++] = '/';
+            if(!strftime_int(str, &ret, max, mstm->tm_year%100, alternate ? 0 : 2, 0, 99))
+                return 0;
+            break;
+#endif
         case 'H':
             if(!strftime_int(str, &ret, max, mstm->tm_hour, alternate ? 0 : 2, 0, 23))
                 return 0;
diff --git a/dlls/ucrtbase/tests/misc.c b/dlls/ucrtbase/tests/misc.c
index 02ea1297bb2..77221566b54 100644
--- a/dlls/ucrtbase/tests/misc.c
+++ b/dlls/ucrtbase/tests/misc.c
@@ -895,6 +895,14 @@ static void test_strftime(void)
     char bufA[256];
     size_t retA;
 
+    retA = p_strftime(bufA, sizeof(bufA), "%D", &epoch);
+    ok(retA == 8, "expected 8, got %d\n", (int)retA);
+    ok(!strcmp(bufA, "01/01/70"), "got %s\n", bufA);
+
+    retA = p_strftime(bufA, sizeof(bufA), "%#D", &epoch);
+    ok(retA == 6, "expected 6, got %d\n", (int)retA);
+    ok(!strcmp(bufA, "1/1/70"), "got %s\n", bufA);
+
     retA = p_strftime(bufA, sizeof(bufA), "%R", &epoch);
     ok(retA == 5, "expected 5, got %d\n", (int)retA);
     ok(!strcmp(bufA, "00:00"), "got %s\n", bufA);
-- 
2.21.0




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