Fix ambiguous call to fprintf when compiling as a C++20 module (fmtlib#4548)

tsarn · web-flow · commit e28c371c0f06 · 2025-09-22T11:58:59.000-07:00
diff --git a/include/fmt/format-inl.h b/include/fmt/format-inl.h
@@ -36,7 +36,7 @@ FMT_BEGIN_NAMESPACE
 FMT_FUNC void assert_fail(const char* file, int line, const char* message) {
   // Use unchecked std::fprintf to avoid triggering another assertion when
   // writing to stderr fails.
-  fprintf(stderr, "%s:%d: assertion failed: %s", file, line, message);
+  std::fprintf(stderr, "%s:%d: assertion failed: %s", file, line, message);
   abort();
 }
 #endif

Original file line number	Diff line number	Diff line change
`@@ -36,7 +36,7 @@ FMT_BEGIN_NAMESPACE`
`36`	`36`	`FMT_FUNC void assert_fail(const char* file, int line, const char* message) {`
`37`	`37`	`// Use unchecked std::fprintf to avoid triggering another assertion when`
`38`	`38`	`// writing to stderr fails.`
`39`		`- fprintf(stderr, "%s:%d: assertion failed: %s", file, line, message);`
	`39`	`+ std::fprintf(stderr, "%s:%d: assertion failed: %s", file, line, message);`
`40`	`40`	`abort();`
`41`	`41`	`}`
`42`	`42`	`#endif`