-/* Utility definitions for C code of SXEmacs
+/* Utility definitions for C code of SXEmacs
Copyright (C) 1985-1987, 1992-1995 Free Software Foundation, Inc.
Copyright (C) 1993-1996 Richard Mlynarik.
\f
/* goodies */
-#ifdef UNUSED
+#ifdef SXE_UNUSED
#elif defined(__GNUC__)
-# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
+# define SXE_UNUSED(x) UNUSED_ ## x __attribute__((unused))
#elif defined(__LCLINT__)
-# define UNUSED(x) /*@unused@*/ x
+# define SXE_UNUSED(x) /*@unused@*/ x
#else
-# define UNUSED(x) x
+# define SXE_UNUSED(x) x
+#endif
+#ifdef UNUSED
+#undef UNUSED
+#define UNUSED(x) SXE_UNUSED(x)
#endif
#ifdef WEAK_EXTERN
#endif
\f
-
-#if defined SXE_STATIC_EXTERN_INLINE
-# define extern_inline static inline
-#elif !defined __GNUC_STDC_INLINE__ && !defined SXE_INLINE_NO_EXTERN
-# define extern_inline extern inline
-#else
-# define extern_inline inline
-#endif
+#define extern_inline static inline
#ifdef ALL_DEBUG_FLAGS
#undef SXE_DEBUG_FLAG
#endif
\f
-/* generally useful */
#define countof(x) ((int) (sizeof(x)/sizeof((x)[0])))
-#define xnew(type) ((type *) xmalloc (sizeof (type)))
-#define xnew_atomic(type) ((type *) xmalloc_atomic (sizeof (type)))
-#define xnew_array(type, len) ((type *) xmalloc ((len) * sizeof (type)))
-#define xnew_atomic_array(type, len) \
- ((type*)xmalloc_atomic((len) * sizeof(type)))
-#define xnew_and_zero(type) ((type *) xmalloc_and_zero (sizeof (type)))
-#define xzero(lvalue) ((void) memset (&(lvalue), '\0', sizeof (lvalue)))
-#define xnew_array_and_zero(type, len) \
- ((type*)xmalloc_and_zero ((len) * sizeof (type)))
-#define xrealloc_array(ptr, type, len) \
- ((void) (ptr = (type *) xrealloc (ptr, (len) * sizeof (type))))
-#define XREALLOC_ARRAY xrealloc_array
-#define alloca_array(type, len) ((type *) alloca ((len) * sizeof (type)))
#if !defined HAVE_DECL_STRDUP
extern char *strdup(const char *s);
#ifndef PRINTF_ARGS
# if defined (__GNUC__) && (__GNUC__ >= 2)
# define PRINTF_ARGS(string_index,first_to_check) \
- __attribute__ ((format (printf, string_index, first_to_check)))
+ __attribute__ ((format (printf, string_index, first_to_check)))
# else
# define PRINTF_ARGS(string_index,first_to_check)
# endif /* GNUC */
# if ((__GNUC__ > 2) || (__GNUC__ == 2) && (__GNUC_MINOR__ >= 5))
# define DOESNT_RETURN void
# define DECLARE_DOESNT_RETURN(decl) \
- extern void decl __attribute__ ((noreturn))
+ extern void decl __attribute__ ((noreturn))
# define DECLARE_DOESNT_RETURN_GCC_ATTRIBUTE_SYNTAX_SUCKS(decl,str,idx) \
/* Should be able to state multiple independent __attribute__s, but \
- the losing syntax doesn't work that way, and screws losing cpp */ \
- extern void decl \
- __attribute__ ((noreturn, format (printf, str, idx)))
+ the losing syntax doesn't work that way, and screws losing cpp */ \
+ extern void decl \
+ __attribute__ ((noreturn, format (printf, str, idx)))
# else
# define DOESNT_RETURN void volatile
# define DECLARE_DOESNT_RETURN(decl) extern void volatile decl
# define DECLARE_DOESNT_RETURN_GCC_ATTRIBUTE_SYNTAX_SUCKS(decl,str,idx) \
- extern void volatile decl PRINTF_ARGS(str,idx)
+ extern void volatile decl PRINTF_ARGS(str,idx)
# endif /* GNUC 2.5 */
# else
# define DOESNT_RETURN void
# define DECLARE_DOESNT_RETURN(decl) extern void decl
# define DECLARE_DOESNT_RETURN_GCC_ATTRIBUTE_SYNTAX_SUCKS(decl,str,idx) \
- extern void decl PRINTF_ARGS(str,idx)
+ extern void decl PRINTF_ARGS(str,idx)
# endif /* GNUC */
#endif
#endif
\f
-/************************************************************************/
-/* Memory */
-/************************************************************************/
-
-#ifdef ALL_DEBUG_FLAGS
-#undef GC_DEBUG_FLAG
-#define GC_DEBUG_FLAG
-#endif
-
-#if !defined GC_DEBUG_FLAG
-# define SXE_DEBUG_GC(args...)
+/* str funs */
+#define xstrlen strlen
+#define xstrcmp strcmp
+#define xstrncmp strncmp
+#define xstrncat strncat
+
+extern_inline char*
+xstrncpy(char* target, const char*source, size_t len)
+ __attribute__((always_inline));
+extern_inline char*
+xstrncpy(char* target, const char*source, size_t len)
+{
+ *target ='\0';
+ return strncat(target,source,len-1);
+}
+
+#if !defined(FORBID_STRCPY)
+# define xstrcat strcat
+# define xstrcpy strcpy
+# if defined(HAVE_STPCPY)
+# define xstpcpy stpcpy
+# else
+extern_inline char*
+xstpcpy(char *target, const char *source)
+ __attribute__((always_inline));
+extern_inline char*
+xstpcpy(char *target, const char *source)
+{
+ char *p = target;
+ size_t len = xstrlen(source);
+
+ strcpy(target, source);
+ p += len;
+ return p;
+}
+# endif
#else
-# define SXE_DEBUG_GC(args...) __SXE_DEBUG__("[gc] " args)
+# if defined(strcpy)
+# undef strcpy
+# endif
+# define strcpy no_strcpy
+extern_inline char*
+no_strcpy(char*,const char*)
+ __attribute__((always_inline));
+extern_inline char*
+no_strcpy(char * SXE_UNUSED(target),const char * SXE_UNUSED(source))
+{
+ assert(0);
+ return NULL;
+}
+# if defined(strcat)
+# undef strcat
+# endif
+# define strcat no_strcat
+extern_inline char*
+no_strcat(char*,const char*)
+ __attribute__((always_inline));
+extern_inline char*
+no_strcat(char * SXE_UNUSED(target), const char* SXE_UNUSED(source))
+{
+ assert(0);
+ return NULL;
+}
+# if defined(stpcpy)
+# undef stpcpy
+# endif
+# define stpcpy no_stpcpy
+# define xstpcpy no_stpcpy
+extern_inline char*
+no_stpcpy(char*,const char*)
+ __attribute__((always_inline));
+extern_inline char*
+no_stpcpy(char* SXE_UNUSED(target),const char* SXE_UNUSED(source))
+{
+ assert(0);
+ return NULL;
+}
#endif
-#define SXE_DEBUG_GC_PT(args...) SXE_DEBUG_GC("[pthread]: " args)
-#define SXE_CRITICAL_GC(args...) __SXE_DEBUG__("[gc] CRITICAL: " args)
-
-void malloc_warning(const char *);
-
-#if defined HAVE_BDWGC && defined EF_USE_BDWGC
-# if defined HAVE_THREADS
-# if !defined GC_PTHREADS
-# define GC_PTHREADS 1
-# endif /* !GC_PTHREADS */
-# if !defined GC_THREADS
-# define GC_THREADS 1
-# endif /* !GC_THREADS */
-# endif /* HAVE_THREADS */
-
-# undef GC_DEBUG
-# if defined GC_DEBUG_FLAG
-# define GC_DEBUG 1
-# endif /* GC_DEBUG_FLAG */
-# if defined HAVE_GC_GC_H
-# include <gc/gc.h>
-# elif defined HAVE_GC_H
-# include <gc.h>
-# else
-# error "Take less of those pills!"
-# endif
-# if defined GC_DEBUG_FLAG
-# define zmalloc GC_MALLOC_IGNORE_OFF_PAGE
-# define zcalloc(n, m) GC_MALLOC((n)*(m))
-# define zmalloc_atomic GC_MALLOC_ATOMIC_IGNORE_OFF_PAGE
-# define zmalloc_and_zero GC_MALLOC
-# define zrealloc GC_REALLOC
-# define zstrdup GC_STRDUP
-# undef zfree
-# define zfree(x) GC_FREE(x)
-# else /* !GC_DEBUG_FLAG */
-# define zmalloc GC_malloc_ignore_off_page
-# define zcalloc(n, m) GC_malloc((n)*(m))
-# define zmalloc_atomic GC_malloc_atomic_ignore_off_page
-# define zmalloc_and_zero GC_malloc
-# define zrealloc GC_realloc
-# define zstrdup GC_strdup
-# undef zfree
-# define zfree(x)
-# endif /* GC_DEBUG_FLAG */
-
-#else /* !BDWGC */
-#define zmalloc F&^!
-#define zcalloc F&^!
-#define zmalloc_atomic F&^!
-#define zmalloc_and_zero F&^!
-#define zrealloc F&^!
-#define zstrdrup F&^!
-#endif /* BDWGC */
-
-/* also define libc mem funs */
-#define ymalloc malloc
-#define ycalloc(n, m) calloc(n, m)
-#define ymalloc_atomic(n) ycalloc(1, n)
-#define ymalloc_and_zero(x) ycalloc(1, x)
-#define yrealloc realloc
-#define ystrdup strdup
-#define yfree(x) free(x)
-/* and their convenience companions */
-#define ynew(type) ((type*)ymalloc(sizeof(type)))
-#define ynew_array(type, len) ((type*)ymalloc((len) * sizeof(type)))
-#define ynew_and_zero(type) ((type*)ymalloc_and_zero(sizeof(type)))
-#define ynew_array_and_zero(type, len) \
- ((type*)ymalloc_and_zero((len) * sizeof(type)))
-#define YREALLOC_ARRAY(ptr, type, len) \
- ((void)(ptr = (type *)yrealloc(ptr, (len) * sizeof (type))))
-
-#if defined HAVE_BDWGC && defined EF_USE_BDWGC
-/* and now the x* series */
-# define xmalloc zmalloc
-# define xcalloc zcalloc
-# define xmalloc_atomic zmalloc_atomic
-# define xmalloc_and_zero zmalloc_and_zero
-# define xrealloc zrealloc
-# define xstrdup zstrdup
-# if defined ERROR_CHECK_MALLOC
-# define xfree(args...) zfree(args)
-# else /* !ERROR_CHECK_MALLOC */
-# define xfree(args...)
-# endif /* ERROR_CHECK_MALLOC */
-
-#else /* !BDWGC */
-void *xmalloc(size_t size);
-void *xmalloc_atomic(size_t size);
-void *xmalloc_and_zero(size_t size);
-void *xrealloc(void *, size_t size);
-char *xstrdup(const char *);
-# if defined ERROR_CHECK_MALLOC
-# if SIZEOF_VOID_P == 4
-# define xfree(lvalue) \
- do { \
- void *volatile *xfree_ptr = \
- (void *volatile*) \
- ((volatile void*)&(lvalue)); \
- assert(*xfree_ptr != (void*)0xB00BB4BE); \
- yfree(*xfree_ptr); \
- *xfree_ptr = (void*)0xB00BB4BE; \
- } while (0)
-# elif SIZEOF_VOID_P == 8
-# define xfree(lvalue) \
- do { \
- void *volatile *xfree_ptr = \
- (void *volatile*) \
- ((volatile void*)&(lvalue)); \
- assert(*xfree_ptr != (void*)0xCAFEBABEDEADBEEF); \
- yfree(*xfree_ptr); \
- *xfree_ptr = (void*)0xCAFEBABEDEADBEEF; \
- } while (0)
-# else /* huh? */
-# error "Strange-arse system detected. Watch a movie, it\'s more fun!"
-# endif
-# else /* !ERROR_CHECK_MALLOC */
-# define xfree(args...) yfree(args)
-# endif /* ERROR_CHECK_MALLOC */
-#endif /* BDWGC */
+
+#if defined HAVE_STPNCPY
+# define xstpncpy stpncpy
+#else
+extern_inline char*
+xstpncpy(char *target, const char *source, size_t len)
+ __attribute__((always_inline));
+extern_inline char*
+xstpncpy(char *target, const char *source, size_t len)
+{
+ char *p = target;
+ xstrncpy(target, source, len);
+ p += len;
+ return p;
+}
+#endif /* !HAVE_STPNCPY */
+
+#define xmemcmp memcmp
+#define xmemcpy memcpy
+
+
+
+extern_inline size_t
+xmin_size_t(size_t a, size_t b)
+ __attribute__((always_inline));
+extern_inline size_t
+xmin_size_t(size_t a, size_t b)
+{
+ if (a < b) {
+ return a;
+ } else {
+ return b;
+ }
+}
#endif
projects / sxemacs / blobdiff