diff options
Diffstat (limited to 'usr/src/cmd/csh/sh.h')
| -rw-r--r-- | usr/src/cmd/csh/sh.h | 109 |
1 files changed, 44 insertions, 65 deletions
diff --git a/usr/src/cmd/csh/sh.h b/usr/src/cmd/csh/sh.h index a8ba16c5ed..590f646834 100644 --- a/usr/src/cmd/csh/sh.h +++ b/usr/src/cmd/csh/sh.h @@ -38,24 +38,24 @@ #define MAXHOSTNAMELEN 64 #ifdef MBCHAR -# if !defined(MB_LEN_MAX) || !defined(MB_CUR_MAX) +#if !defined(MB_LEN_MAX) || !defined(MB_CUR_MAX) Error: I need both ANSI macros! -# endif +#endif #else -# if !defined(MB_LEN_MAX) -# define MB_LEN_MAX 1 -# endif -# if !defined(MB_CUR_MAX) -# define MB_CUR_MAX 1 -# endif +#if !defined(MB_LEN_MAX) +#define MB_LEN_MAX 1 +#endif +#if !defined(MB_CUR_MAX) +#define MB_CUR_MAX 1 +#endif #endif #ifndef MBCHAR /* Let's replace the ANSI functions with our own macro * for efficiency! */ -#define mbtowc(pwc, pmb, n_is_ignored) ((*(pwc)=*(pmb)), 1) -#define wctomb(pmb, wc) ((*(pmb)=((char)wc)), 1) -#endif/*!MBCHAR*/ +#define mbtowc(pwc, pmb, n_is_ignored) ((*(pwc) = *(pmb)), 1) +#define wctomb(pmb, wc) ((*(pmb) = ((char)wc)), 1) +#endif /* !MBCHAR */ /* * C shell @@ -67,11 +67,12 @@ * April, 1980 */ -/*If we are setting the $cwd variable becuz we did a - cd, chdir, pushd, popd command, then set didchdir to - 1. This prevents globbing down when setting $cwd. - However, if the user set $cwd, we want the globbing - done; so, didchdir would be equal to 0 in that case. +/* + * If we are setting the $cwd variable becuz we did a + * cd, chdir, pushd, popd command, then set didchdir to + * 1. This prevents globbing down when setting $cwd. + * However, if the user set $cwd, we want the globbing + * done; so, didchdir would be equal to 0 in that case. */ int didchdir; @@ -79,26 +80,27 @@ int didchdir; typedef char bool; -/* tchar (Tagged CHARacter) is a place holder to keep a QUOTE bit and +/* + * tchar (Tagged CHARacter) is a place holder to keep a QUOTE bit and * a character. * For European language handling, lower 8 bits of tchar is used * to store a character. For other languages, especially Asian, 16 bits * are used to store a character. * Following typedef's assume short int is a 16-bit entity and long int is * a 32-bit entity. - * The QUOTE bit tells whether the character is subject to further - * interpretation such as history substitution, file mathing, command + * The QUOTE bit tells whether the character is subject to further + * interpretation such as history substitution, file mathing, command * subsitution. TRIM is a mask to strip off the QUOTE bit. */ #ifdef MBCHAR /* For multibyte character handling. */ typedef long int tchar; -#define QUOTE 0x80000000 +#define QUOTE 0x80000000 #define TRIM 0x7fffffff -#else/*!MBCHAR*/ /* European language requires only 8 bits. */ +#else /* !MBCHAR */ /* European language requires only 8 bits. */ typedef unsigned short int tchar; #define QUOTE 0x8000 #define TRIM 0x00ff -#endif/*!MBCHAR*/ +#endif /* !MBCHAR */ #define eq(a, b) (strcmp_(a, b) == 0) @@ -224,7 +226,7 @@ struct Bin { #define fblocks B.Bfblocks #define fbuf B.Bfbuf -#define btell() fseekp +#define btell() fseekp #ifndef btell off_t btell(void); @@ -375,24 +377,24 @@ struct varent { struct varent *v_link[3]; /* The links, see below */ int v_bal; /* Balance factor */ } shvhed, aliases; -#define v_left v_link[0] -#define v_right v_link[1] -#define v_parent v_link[2] +#define v_left v_link[0] +#define v_right v_link[1] +#define v_parent v_link[2] struct varent *adrof1(); -#define adrof(v) adrof1(v, &shvhed) -#define value(v) value1(v, &shvhed) +#define adrof(v) adrof1(v, &shvhed) +#define value(v) value1(v, &shvhed) /* * MAX_VAR_LEN - maximum variable name defined by csh man page to be 20 */ -#define MAX_VAR_LEN 20 +#define MAX_VAR_LEN 20 /* * MAX_VREF_LEN - maximum variable reference $name[...] * it can be as big as a csh word, which is 1024 */ -#define MAX_VREF_LEN 1024 +#define MAX_VREF_LEN 1024 /* @@ -466,32 +468,11 @@ int lastev; /* Last event reference (default) */ tchar HIST; /* history invocation character */ tchar HISTSUB; /* auto-substitute character */ -/* - * In lines for frequently called functions - * - * WARNING: changes here also need to occur in the xfree() function in - * sh.misc.c. - */ -#if defined(sparc) -#define XFREE(cp) { \ - extern char end[]; \ - char stack; \ -/*??*/ if (((char *)(cp)) >= end && ((char *)(cp)) < &stack) \ -/*??*/ free((void *)(cp)); \ -} -#elif defined(i386) -#define XFREE(cp) { \ - extern char end[]; \ - if (((char *)(cp)) >= end) \ - free((void *)(cp)); \ -} -#else -#error XFREE macro is machine dependant and no machine type is recognized -#endif -void *alloctmp; -#define xalloc(i) ((alloctmp = (void *)malloc(i)) ? alloctmp : (void *)nomem(i))/*??*/ -#define xrealloc(buf, i) ((alloctmp = (void *)realloc(buf, i)) ? alloctmp : \ - (void *)nomem(i)) +extern void *xalloc(size_t); +extern void *xcalloc(size_t, size_t); +extern void *xrealloc(void *, size_t); +extern void xfree(void *); + extern void Putchar(tchar); extern void bferr(char *) __NORETURN; extern void error() __NORETURN; @@ -571,9 +552,9 @@ char *tstostr(/* char * , tchar * */); * times (once for each path component checked). * Byte size is assumed to be 8. */ -#define HSHSIZ (32*1024) /* 4k bytes */ -#define HSHMASK (HSHSIZ - 1) -#define HSHMUL 243 +#define HSHSIZ (32*1024) /* 4k bytes */ +#define HSHMASK (HSHSIZ - 1) +#define HSHMUL 243 /* * The following two arrays are used for caching. xhash @@ -583,11 +564,9 @@ char *tstostr(/* char * , tchar * */); char xhash[HSHSIZ / 8]; char xhash2[HSHSIZ / 8]; -#define hash(a, b) ((a) * HSHMUL + (b) & HSHMASK) -#define bit(h, b) ((h)[(b) >> 3] & 1 << ((b) & 7)) /* bit test */ -#define bis(h, b) ((h)[(b) >> 3] |= 1 << ((b) & 7)) /* bit set */ +#define hash(a, b) ((a) * HSHMUL + (b) & HSHMASK) +#define bit(h, b) ((h)[(b) >> 3] & 1 << ((b) & 7)) /* bit test */ +#define bis(h, b) ((h)[(b) >> 3] |= 1 << ((b) & 7)) /* bit set */ #ifdef VFORK -int hits, misses; +int hits, misses; #endif - - |