[libc] Fix strftime_test

[michaelrj-google]

A typo in #165711 caused sanitizer failures (the small buffer was used
for the larger test). Renamed the variables to avoid the mistake in
future.

[llvmbot]

@llvm/pr-subscribers-libc

Author: Michael Jones (michaelrj-google)

Changes

A typo in #165711 caused sanitizer failures (the small buffer was used
for the larger test). Renamed the variables to avoid the mistake in
future.

---

Full diff: https://github.com/llvm/llvm-project/pull/165770.diff

1 Files Affected:

• (modified) libc/test/src/time/strftime_test.cpp (+5-4)

diff --git a/libc/test/src/time/strftime_test.cpp b/libc/test/src/time/strftime_test.cpp
index 38176f77804d5..5222152791905 100644
--- a/libc/test/src/time/strftime_test.cpp
+++ b/libc/test/src/time/strftime_test.cpp
@@ -2329,20 +2329,21 @@ TEST(LlvmLibcStrftimeTest, TimeFormatFullDateTime) {
 
 TEST(LlvmLibcStrftimeTest, BufferTooSmall) {
   struct tm time;
-  char buffer[1];
+  char tiny_buffer[1];
 
   time.tm_year = get_adjusted_year(2025);
   time.tm_mon = 10;
   time.tm_mday = 24;
 
   size_t written =
-      LIBC_NAMESPACE::strftime(buffer, sizeof(buffer), "%F", &time);
+      LIBC_NAMESPACE::strftime(tiny_buffer, sizeof(tiny_buffer), "%F", &time);
   EXPECT_EQ(written, size_t{0});
 
-  char buffer2[10];
+  char small_buffer[10];
 
   // The string "2025-11-24" is 10 chars,
   // so strftime needs 10 + 1 bytes to write the string and the null terminator.
-  written = LIBC_NAMESPACE::strftime(buffer, sizeof(buffer2), "%F", &time);
+  written =
+      LIBC_NAMESPACE::strftime(small_buffer, sizeof(small_buffer), "%F", &time);
   EXPECT_EQ(written, size_t{0});
 }