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/*************************************************
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*     Exim - an Internet mail transport agent    *
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*************************************************/
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/* Copyright (c) University of Cambridge 1995 - 2003 */
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/* See the file NOTICE for conditions of use and distribution. */
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/* This header file contains type definitions and macros that I use as
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"standard" in the code of Exim and its utilities. Make it idempotent because
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local_scan.h includes it and exim.h includes them both (to get this earlier). */
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#ifndef MYTYPES_H
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#define MYTYPES_H
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#define FALSE         0
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#define TRUE          1
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#define TRUE_UNSET    2
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/* If gcc is being used to compile Exim, we can use its facility for checking
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the arguments of printf-like functions. This is done by a macro. */
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#ifdef __GNUC__
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#define PRINTF_FUNCTION  __attribute__((format(printf,1,2)))
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#else
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#define PRINTF_FUNCTION
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#endif
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/* Some operating systems (naughtily, imo) include a definition for "uchar" in
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the standard header files, so we use "uschar". Solaris has u_char in
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sys/types.h. This is just a typing convenience, of course. */
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typedef int BOOL;
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typedef unsigned char uschar;
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/* These macros save typing for the casting that is needed to cope with the
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mess that is "char" in ISO/ANSI C. Having now been bitten enough times by
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systems where "char" is actually signed, I've converted Exim to use entirely
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unsigned chars, except in a few special places such as arguments that are
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almost always literal strings. */
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#define CS   (char *)
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#define CSS  (char **)
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#define US   (unsigned char *)
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#define USS  (unsigned char **)
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/* The C library string functions expect "char *" arguments. Use macros to
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avoid having to write a cast each time. We do this for string and file
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functions; for other calls to external libraries (which are on the whole
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special-purpose) we just use casts. */
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#define Uatoi(s)           atoi(CS(s))
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#define Uatol(s)           atol(CS(s))
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#define Uchdir(s)          chdir(CS(s))
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#define Uchmod(s,n)        chmod(CS(s),n)
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#define Uchown(s,n,m)      chown(CS(s),n,m)
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#define Ufgets(b,n,f)      fgets(CS(b),n,f)
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#define Ufopen(s,t)        fopen(CS(s),CS(t))
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#define Ulink(s,t)         link(CS(s),CS(t))
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#define Ulstat(s,t)        lstat(CS(s),t)
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#ifdef O_BINARY                                       /* This is for Cygwin,  */
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#define Uopen(s,n,m)       open(CS(s),(n)|O_BINARY,m) /* where all files must */
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#else                                                 /* be opened as binary  */
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#define Uopen(s,n,m)       open(CS(s),n,m)            /* to avoid problems    */
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#endif                                                /* with CRLF endings.   */
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#define Uread(f,b,l)       read(f,CS(b),l)
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#define Urename(s,t)       rename(CS(s),CS(t))
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#define Ustat(s,t)         stat(CS(s),t)
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#define Ustrcat(s,t)       strcat(CS(s),CS(t))
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#define Ustrchr(s,n)       US strchr(CS(s),n)
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#define Ustrcmp(s,t)       strcmp(CS(s),CS(t))
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#define Ustrcpy(s,t)       strcpy(CS(s),CS(t))
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#define Ustrcspn(s,t)      strcspn(CS(s),CS(t))
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#define Ustrftime(s,m,f,t) strftime(CS(s),m,f,t)
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#define Ustrlen(s)         (int)strlen(CS(s))
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#define Ustrncat(s,t,n)    strncat(CS(s),CS(t),n)
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#define Ustrncmp(s,t,n)    strncmp(CS(s),CS(t),n)
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#define Ustrncpy(s,t,n)    strncpy(CS(s),CS(t),n)
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#define Ustrpbrk(s,t)      strpbrk(CS(s),CS(t))
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#define Ustrrchr(s,n)      US strrchr(CS(s),n)
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#define Ustrspn(s,t)       strspn(CS(s),CS(t))
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#define Ustrstr(s,t)       US strstr(CS(s),CS(t))
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#define Ustrtod(s,t)       strtod(CS(s),CSS(t))
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#define Ustrtol(s,t,b)     strtol(CS(s),CSS(t),b)
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#define Ustrtoul(s,t,b)    strtoul(CS(s),CSS(t),b)
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#define Uunlink(s)         unlink(CS(s))
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#endif
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/* End of mytypes.h */