gdbsupport: ignore -Wenum-constexpr-conversion in enum-flags.h

[binutils-gdb.git] / gdbsupport / errors.h

diff --git a/gdbsupport/errors.h b/gdbsupport/errors.h
index 9a671d3e289e6d5efd91921687343e1706132336..20f9152b6713f955ee600725009479e012a2de2f 100644 (file)
--- a/gdbsupport/errors.h
+++ b/gdbsupport/errors.h
@@ -1,6 +1,6 @@
 /* Declarations for error-reporting facilities.
 
-   Copyright (C) 1986-2022 Free Software Foundation, Inc.
+   Copyright (C) 1986-2023 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -48,13 +48,18 @@ extern void verror (const char *fmt, va_list args)
    functions do not return.  An error message is constructed using
    a printf- or vprintf-style argument list.  FILE and LINE
    indicate the file and line number where the programming error
-   was detected.  The function "internal_verror" must be provided
+   was detected.  Most client code should call the internal_error
+   wrapper macro instead, which expands the source location
+   automatically.  The function "internal_verror" must be provided
    by the client.  */
 
-extern void internal_error (const char *file, int line,
-                           const char *fmt, ...)
+extern void internal_error_loc (const char *file, int line,
+                               const char *fmt, ...)
      ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 4);
 
+#define internal_error(fmt, ...)                               \
+  internal_error_loc (__FILE__, __LINE__, fmt, ##__VA_ARGS__)
+
 extern void internal_verror (const char *file, int line,
                             const char *fmt, va_list args)
      ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
@@ -66,20 +71,30 @@ extern void internal_verror (const char *file, int line,
    argument list.  The function "internal_vwarning" must be provided
    by the client.  */
 
-extern void internal_warning (const char *file, int line,
-                             const char *fmt, ...)
+extern void internal_warning_loc (const char *file, int line,
+                                 const char *fmt, ...)
      ATTRIBUTE_PRINTF (3, 4);
 
+#define internal_warning(fmt, ...)                             \
+  internal_warning_loc (__FILE__, __LINE__, fmt, ##__VA_ARGS__)
+
 extern void internal_vwarning (const char *file, int line,
                               const char *fmt, va_list args)
      ATTRIBUTE_PRINTF (3, 0);
 \f
 
+/* Return a newly allocated string, containing the PREFIX followed
+   by the system error message for errno (separated by a colon).
+   If ERRNUM is given, then use it in place of errno.  */
+
+extern std::string perror_string (const char *prefix, int errnum = 0);
+
 /* Like "error", but the error message is constructed by combining
-   STRING with the system error message for errno.  This function does
-   not return.  This function must be provided by the client.  */
+   STRING with the system error message for errno.  If ERRNUM is given,
+   then use it in place of errno.  This function does not return.  */
 
-extern void perror_with_name (const char *string) ATTRIBUTE_NORETURN;
+extern void perror_with_name (const char *string, int errnum = 0)
+    ATTRIBUTE_NORETURN;
 
 /* Call this function to handle memory allocation failures.  This
    function does not return.  This function must be provided by the
@@ -91,7 +106,7 @@ extern void malloc_failure (long size) ATTRIBUTE_NORETURN;
 
 extern void flush_streams ();
 
-#ifdef USE_WIN32API
+#if defined(USE_WIN32API) || defined(__CYGWIN__)
 
 /* Map the Windows error number in ERROR to a locale-dependent error
    message string and return a pointer to it.  Typically, the values