*/
#define NMH_BUFSIZ max(BUFSIZ, 8192)
-#ifndef FALSE
-#define FALSE false
-#endif
-#ifndef TRUE
-#define TRUE true
-#endif
-typedef unsigned char boolean; /* not int so we can pack in a structure */
-
/* If we're using gcc then tell it extra information so it can do more
* compile-time checks. */
#if __GNUC__ > 2
#define NORETURN __attribute__((__noreturn__))
-#define CHECK_PRINTF(fmt, arg) __attribute__((format(printf, fmt, arg)))
-#define ALLOC_SIZE(n) __attribute__((alloc_size(n)))
-#define ALLOC_SIZE2(m, n) __attribute__((alloc_size(m, n)))
-#define NMH_UNUSED(i) (void) i
+#define CONST __attribute__((const))
+#define MALLOC __attribute__((malloc))
+#define NONNULL(...) __attribute__((nonnull(__VA_ARGS__)))
+#define PURE __attribute__((pure))
+#define ENDNULL __attribute__((sentinel))
#else
#define NORETURN
#define CHECK_PRINTF(fmt, arg)
-#define ALLOC_SIZE(n)
-#define ALLOC_SIZE2(m, n)
-#define NMH_UNUSED(i) i
+#define ALLOC_SIZE(...)
+#define CONST
+#define MALLOC
+#define NONNULL(...)
+#define PURE
+#define ENDNULL
#endif
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
+#define ALLOC_SIZE(...) __attribute__((alloc_size(__VA_ARGS__)))
+#define CHECK_PRINTF(fmt, arg) __attribute__((format(printf, fmt, arg)))
+#else
+#define ALLOC_SIZE(...)
+#define CHECK_PRINTF(fmt, arg)
+#endif
+
+/* Silence the compiler's "unused variable" warning. */
+#define NMH_UNUSED(i) (void)i
+
/* DIM gives the number of elements in the one-dimensional array a. */
#define DIM(a) (sizeof (a) / sizeof (*(a)))
/* FENDNULL fends off NULL by giving an empty string instead. */
#define FENDNULL(s) ((s) ? (s) : "")
+/* If not specified in a file and PAGER is NULL or empty. */
+#define DEFAULT_PAGER "more"
+
/*
* char array that keeps track of size in both bytes and characters
* Usage note:
typedef struct charstring *charstring_t;
charstring_t charstring_create (size_t);
-charstring_t charstring_copy (const charstring_t);
+charstring_t charstring_copy (const charstring_t) NONNULL(1);
void charstring_free (charstring_t);
/* Append a single-byte character: */
-void charstring_push_back (charstring_t, const char);
+void charstring_push_back (charstring_t, const char) NONNULL(1);
/* Append possibly multi-byte character(s): */
-void charstring_push_back_chars (charstring_t, const char [], size_t, size_t);
-void charstring_append (charstring_t, const charstring_t);
-void charstring_append_cstring (charstring_t, const char []);
-void charstring_clear (charstring_t);
+void charstring_push_back_chars (charstring_t, const char [], size_t, size_t) NONNULL(1);
+void charstring_append (charstring_t, const charstring_t) NONNULL(2);
+void charstring_append_cstring (charstring_t, const char []) NONNULL(2);
+void charstring_clear (charstring_t) NONNULL(1);
/* Don't store return value of charstring_buffer() and use later after
intervening push_back's; use charstring_buffer_copy() instead. */
-const char *charstring_buffer (const charstring_t);
+const char *charstring_buffer (const charstring_t) NONNULL(1);
/* User is responsible for free'ing result of buffer copy. */
-char *charstring_buffer_copy (const charstring_t);
-size_t charstring_bytes (const charstring_t);
-size_t charstring_chars (const charstring_t);
+char *charstring_buffer_copy (const charstring_t) NONNULL(1);
+size_t charstring_bytes (const charstring_t) NONNULL(1) PURE;
+size_t charstring_chars (const charstring_t) NONNULL(1) PURE;
/* Length of the last character in the charstring. */
-int charstring_last_char_len (const charstring_t);
+int charstring_last_char_len (const charstring_t) NONNULL(1);
/*
* user context/profile structure
typedef struct bvector *bvector_t;
bvector_t bvector_create (void);
-void bvector_init(struct bvector *bv);
-void bvector_copy (bvector_t, bvector_t);
-void bvector_free (bvector_t);
-void bvector_fini(struct bvector *bv);
-void bvector_clear (bvector_t, size_t);
-void bvector_clear_all (bvector_t);
-void bvector_set (bvector_t, size_t);
-unsigned int bvector_at (bvector_t, size_t);
-unsigned long bvector_first_bits (bvector_t);
+void bvector_init(struct bvector *bv) NONNULL(1);
+void bvector_copy (bvector_t, bvector_t) NONNULL(1, 2);
+void bvector_free (bvector_t) NONNULL(1);
+void bvector_fini(struct bvector *bv) NONNULL(1);
+void bvector_clear (bvector_t, size_t) NONNULL(1);
+void bvector_clear_all (bvector_t) NONNULL(1);
+void bvector_set (bvector_t, size_t) NONNULL(1);
+unsigned int bvector_at (bvector_t, size_t) NONNULL(1) PURE;
+unsigned long bvector_first_bits (bvector_t) NONNULL(1) PURE;
typedef struct svector *svector_t;
svector_t svector_create (size_t);
-void svector_free (svector_t);
-char *svector_push_back (svector_t, char *);
-char *svector_at (svector_t, size_t);
-char **svector_find(svector_t, const char *);
-char **svector_strs (svector_t);
-size_t svector_size (svector_t);
+void svector_free (svector_t) NONNULL(1);
+char *svector_push_back (svector_t, char *) NONNULL(1);
+char *svector_at (svector_t, size_t) NONNULL(1);
+char **svector_find(svector_t, const char *) NONNULL(1) PURE;
+char **svector_strs (svector_t) NONNULL(1) PURE;
+size_t svector_size (svector_t) NONNULL(1) PURE;
typedef struct ivector *ivector_t;
ivector_t ivector_create (size_t);
-void ivector_free (ivector_t);
-int ivector_push_back (ivector_t, int);
-int ivector_at (ivector_t, size_t);
-int *ivector_atp (ivector_t, size_t);
+void ivector_free (ivector_t) NONNULL(1);
+int ivector_push_back (ivector_t, int) NONNULL(1);
+int ivector_at (ivector_t, size_t) NONNULL(1);
+int *ivector_atp (ivector_t, size_t) NONNULL(1);
/*
* Primary structure of folder/message information
projects / nmh / blobdiff