Use fputc over fprintf. NFC (#24546)

sbc100 · web-flow · commit 3d5f9af93e99 · 2025-06-11T09:59:30.000-07:00
Feedback from #24543
diff --git a/system/lib/libcxx/src/verbose_abort.cpp b/system/lib/libcxx/src/verbose_abort.cpp
@@ -35,7 +35,7 @@ _LIBCPP_WEAK void __libcpp_verbose_abort(char const* format, ...) _LIBCPP_VERBOS
     // passed to __libcpp_verbose_abort. The _LIBCPP_VERBOSE_ABORT macro seems to never use
     // newlines, but _LIBCPP_ASSERTION_HANDLER does include a newline.
     if (format[strlen(format) - 1] != '\n') {
-      std::fprintf(stderr, "\n");
+      std::fputc('\n', stderr);
     }
     va_end(list);
   }

Original file line number	Diff line number	Diff line change
`@@ -35,7 +35,7 @@ _LIBCPP_WEAK void __libcpp_verbose_abort(char const* format, ...) _LIBCPP_VERBOS`
`35`	`35`	`// passed to __libcpp_verbose_abort. The _LIBCPP_VERBOSE_ABORT macro seems to never use`
`36`	`36`	`// newlines, but _LIBCPP_ASSERTION_HANDLER does include a newline.`
`37`	`37`	`if (format[strlen(format) - 1] != '\n') {`
`38`		`- std::fprintf(stderr, "\n");`
	`38`	`+ std::fputc('\n', stderr);`
`39`	`39`	`}`
`40`	`40`	`va_end(list);`
`41`	`41`	`}`