@@@ m4

[mLib] / utils / macros.h

diff --git a/utils/macros.h b/utils/macros.h
index 5f432f7e9b3c25b82884214df5bb3d388702add9..70f535fe51a28ca5a28f28734b7e6d08568dda0c 100644 (file)
--- a/utils/macros.h
+++ b/utils/macros.h
@@ -34,6 +34,8 @@
 
 /*----- Header files ------------------------------------------------------*/
 
+#include <assert.h>
+
 #ifndef MLIB_COMPILER_H
 #  include "compiler.h"
 #endif
@@ -48,6 +50,39 @@
 #define MLIB__GLUE(x, y) x##y
 #define GLUE(x, y) MLIB__GLUE(x, y)
 
+#ifdef static_assert
+#  define STATIC_ASSERT(cond, msg) static_assert(!!(cond), msg)
+#else
+#  define STATIC_ASSERT(cond, msg)                                     \
+       IGNORABLE extern char static_assert_failed[2*!!(cond) - 1]
+#endif
+
+/*----- String and character hacks ----------------------------------------*/
+
+#define CTYPE_HACK(func, ch) (func((unsigned char)(ch)))
+
+#define ISALNUM(ch) CTYPE_HACK(isalnum, ch)
+#define ISALPHA(ch) CTYPE_HACK(isalpha, ch)
+#define ISASCII(ch) CTYPE_HACK(isascii, ch)
+#define ISBLANK(ch) CTYPE_HACK(isblank, ch)
+#define ISCNTRL(ch) CTYPE_HACK(iscntrl, ch)
+#define ISDIGIT(ch) CTYPE_HACK(isdigit, ch)
+#define ISGRAPH(ch) CTYPE_HACK(isgraph, ch)
+#define ISLOWER(ch) CTYPE_HACK(islower, ch)
+#define ISPRINT(ch) CTYPE_HACK(isprint, ch)
+#define ISPUNCT(ch) CTYPE_HACK(ispunct, ch)
+#define ISSPACE(ch) CTYPE_HACK(isspace, ch)
+#define ISUPPER(ch) CTYPE_HACK(isupper, ch)
+#define ISXDIGIT(ch) CTYPE_HACK(isxdigit, ch)
+
+#define TOASCII(ch) CTYPE_HACK(toascii, ch)
+#define TOLOWER(ch) CTYPE_HACK(tolower, ch)
+#define TOUPPER(ch) CTYPE_HACK(toupper, ch)
+
+#define MEMCMP(x, op, y, n) (memcmp((x), (y), (n)) op 0)
+#define STRCMP(x, op, y) (strcmp((x), (y)) op 0)
+#define STRNCMP(x, op, y, n) (strncmp((x), (y), (n)) op 0)
+
 /*----- Compiler diagnostics ----------------------------------------------*/
 
 /* --- Compiler-specific definitions --- */
@@ -59,6 +94,10 @@
 #  define IGNORABLE __attribute__((__unused__))
 #endif
 
+#if GCC_VERSION_P(3, 4) || CLANG_VERSION_P(3, 3)
+#  define MUST_CHECK __attribute__((__warn_unused_result__))
+#endif
+
 #if GCC_VERSION_P(4, 5) || CLANG_VERSION_P(3, 3)
 #  define DEPRECATED(msg) __attribute__((__deprecated__(msg)))
 #elif GCC_VERSION_P(3, 1)
@@ -188,6 +227,10 @@
 #  define IGNORABLE
 #endif
 
+#ifndef MUST_CHECK
+#  define MUST_CHECK
+#endif
+
 #ifndef GCC_WARNING
 #  define GCC_WARNING(warn)
 #endif