diff options
Diffstat (limited to 'usr/src/cmd/csh/sh.h')
| -rw-r--r-- | usr/src/cmd/csh/sh.h | 156 |
1 files changed, 65 insertions, 91 deletions
diff --git a/usr/src/cmd/csh/sh.h b/usr/src/cmd/csh/sh.h index 6aaf4a716f..b394ca2bbc 100644 --- a/usr/src/cmd/csh/sh.h +++ b/usr/src/cmd/csh/sh.h @@ -12,8 +12,6 @@ * specifies the terms and conditions for redistribution. */ -#pragma ident "%Z%%M% %I% %E% SMI" - #include <stdlib.h> /* MB_xxx, mbxxx(), wcxxx() etc. */ #include <limits.h> #include <sys/time.h> @@ -71,7 +69,7 @@ * However, if the user set $cwd, we want the globbing * done; so, didchdir would be equal to 0 in that case. */ -int didchdir; +extern int didchdir; #define isdir(d) ((d.st_mode & S_IFMT) == S_IFDIR) @@ -104,51 +102,45 @@ typedef unsigned short int tchar; /* * Global flags */ -bool chkstop; /* Warned of stopped jobs... allow exit */ -bool didfds; /* Have setup i/o fd's for child */ -bool doneinp; /* EOF indicator after reset from readc */ -bool exiterr; /* Exit if error or non-zero exit status */ -bool child; /* Child shell ... errors cause exit */ -bool haderr; /* Reset was because of an error */ -bool intty; /* Input is a tty */ -bool cflg; /* invoked with -c option */ -bool intact; /* We are interactive... therefore prompt */ -bool justpr; /* Just print because of :p hist mod */ -bool loginsh; /* We are a loginsh -> .login/.logout */ -bool neednote; /* Need to pnotify() */ -bool noexec; /* Don't execute, just syntax check */ -bool pjobs; /* want to print jobs if interrupted */ -bool pfcshflag; /* set to 0 for pfcsh */ -bool setintr; /* Set interrupts on/off -> Wait intr... */ -bool timflg; /* Time the next waited for command */ -bool havhash; /* path hashing is available */ -bool havhash2; /* cdpath hashing is available */ +extern bool chkstop; /* Warned of stopped jobs... allow exit */ +extern bool didfds; /* Have setup i/o fd's for child */ +extern bool doneinp; /* EOF indicator after reset from readc */ +extern bool exiterr; /* Exit if error or non-zero exit status */ +extern bool child; /* Child shell ... errors cause exit */ +extern bool haderr; /* Reset was because of an error */ +extern bool intty; /* Input is a tty */ +extern bool cflg; /* invoked with -c option */ +extern bool justpr; /* Just print because of :p hist mod */ +extern bool loginsh; /* We are a loginsh -> .login/.logout */ +extern bool neednote; /* Need to pnotify() */ +extern bool noexec; /* Don't execute, just syntax check */ +extern bool pjobs; /* want to print jobs if interrupted */ +extern bool setintr; /* Set interrupts on/off -> Wait intr... */ +extern bool havhash; /* path hashing is available */ +extern bool havhash2; /* cdpath hashing is available */ #ifdef FILEC -bool filec; /* doing filename expansion */ +extern bool filec; /* doing filename expansion */ #endif /* * Global i/o info */ -tchar *arginp; /* Argument input for sh -c and internal `xx` */ -int onelflg; /* 2 -> need line for -t, 1 -> exit on read */ -tchar *file; /* Name of shell file for $0 */ +extern tchar *arginp; /* Argument input for sh -c and internal `xx` */ +extern int onelflg; /* 2 -> need line for -t, 1 -> exit on read */ +extern tchar *file; /* Name of shell file for $0 */ -char *err; /* Error message from scanner/parser */ -struct timeval time0; /* Time at which the shell started */ -struct rusage ru0; +extern char *err_msg; /* Error message from scanner/parser */ +extern struct timeval time0; /* Time at which the shell started */ /* * Miscellany */ -tchar *doldol; /* Character pid for $$ */ -int uid; /* Invokers uid */ -time_t chktim; /* Time mail last checked */ -int shpgrp; /* Pgrp of shell */ -int tpgrp; /* Terminal process group */ +extern tchar *doldol; /* Character pid for $$ */ +extern int uid; /* Invokers uid */ +extern int shpgrp; /* Pgrp of shell */ +extern int tpgrp; /* Terminal process group */ /* If tpgrp is -1, leave tty alone! */ -int opgrp; /* Initial pgrp and tty pgrp */ -int oldisc; /* Initial line discipline or -1 */ +extern int opgrp; /* Initial pgrp and tty pgrp */ /* * These are declared here because they want to be @@ -176,10 +168,10 @@ extern int nsrchn; * The desired initial values for these descriptors are defined in * sh.local.h. */ -short SHIN; /* Current shell input (script) */ -short SHOUT; /* Shell output */ -short SHDIAG; /* Diagnostic output... shell errs go here */ -short OLDSTD; /* Old standard input (def for cmds) */ +extern short SHIN; /* Current shell input (script) */ +extern short SHOUT; /* Shell output */ +extern short SHDIAG; /* Diagnostic output... shell errs go here */ +extern short OLDSTD; /* Old standard input (def for cmds) */ /* * Error control @@ -189,7 +181,7 @@ short OLDSTD; /* Old standard input (def for cmds) */ * Because of source commands and .cshrc we need nested error catches. */ -jmp_buf reslab; +extern jmp_buf reslab; #define setexit() ((void) setjmp(reslab)) #define reset() longjmp(reslab, 0) @@ -197,9 +189,9 @@ jmp_buf reslab; #define getexit(a) copy((void *)(a), (void *)reslab, sizeof reslab) #define resexit(a) copy((void *)reslab, ((void *)(a)), sizeof reslab) -tchar *gointr; /* Label for an onintr transfer */ -void (*parintr)(); /* Parents interrupt catch */ -void (*parterm)(); /* Parents terminate catch */ +extern tchar *gointr; /* Label for an onintr transfer */ +extern void (*parintr)(); /* Parents interrupt catch */ +extern void (*parterm)(); /* Parents terminate catch */ /* @@ -209,7 +201,7 @@ void (*parterm)(); /* Parents terminate catch */ * In other cases, the shell buffers enough blocks to keep all loops * in the buffer. */ -struct Bin { +extern struct Bin { off_t Bfseekp; /* Seek pointer */ off_t Bfbobp; /* Seekp of beginning of buffers */ off_t Bfeobp; /* Seekp of end of buffers */ @@ -226,7 +218,7 @@ struct Bin { #define btell() fseekp #ifndef btell -off_t btell(void); +extern off_t btell(void); #endif /* @@ -234,10 +226,10 @@ off_t btell(void); * For whiles, in particular, it reseeks to the beginning of the * line the while was on; hence the while placement restrictions. */ -off_t lineloc; +extern off_t lineloc; #ifdef TELL -bool cantell; /* Is current source tellable ? */ +extern bool cantell; /* Is current source tellable ? */ #endif /* @@ -263,16 +255,7 @@ struct wordent { #define DOEXCL 2 #define DOALL DODOL|DOEXCL -/* - * Labuf implements a general buffer for lookahead during lexical operations. - * Text which is to be placed in the input stream can be stuck here. - * We stick parsed ahead $ constructs during initial input, - * process id's from `$$', and modified variable values (from qualifiers - * during expansion in sh.dol.c) here. - */ -tchar *labuf; - -tchar *lap; +extern tchar *lap; /* * Parser structure @@ -355,7 +338,7 @@ struct command { * source level. Loops are implemented by seeking back in the * input. For foreach (fe), the word list is attached here. */ -struct whyle { +extern struct whyle { off_t w_start; /* Point to restart loop */ off_t w_end; /* End of loop (0 if unknown) */ tchar **w_fe, **w_fe0; /* Current/initial wordlist for fe */ @@ -368,7 +351,7 @@ struct whyle { * * Aliases and variables are stored in AVL balanced binary trees. */ -struct varent { +extern struct varent { tchar **vec; /* Array of words which is the value */ tchar *v_name; /* Name of variable/alias */ struct varent *v_link[3]; /* The links, see below */ @@ -398,14 +381,14 @@ struct varent *adrof1(); * The following are for interfacing redo substitution in * aliases to the lexical routines. */ -struct wordent *alhistp; /* Argument list (first) */ -struct wordent *alhistt; /* Node after last in arg list */ -tchar **alvec; /* The (remnants of) alias vector */ +extern struct wordent *alhistp; /* Argument list (first) */ +extern struct wordent *alhistt; /* Node after last in arg list */ +extern tchar **alvec; /* The (remnants of) alias vector */ /* * Filename/command name expansion variables */ -short gflag; /* After tglob -> is globbing needed? */ +extern short gflag; /* After tglob -> is globbing needed? */ /* * A reasonable limit on number of arguments would seem to be @@ -427,18 +410,13 @@ short gflag; /* After tglob -> is globbing needed? */ /* * Variables for filename expansion */ -tchar **gargv; /* Pointer to the (stack) arglist */ -long gargc; /* Number args in gargv */ -long gnleft; +extern tchar **gargv; /* Pointer to the (stack) arglist */ +extern long gargc; /* Number args in gargv */ /* * Variables for command expansion. */ -tchar **pargv; /* Pointer to the argv list space */ -tchar *pargs; /* Pointer to start current word */ -long pargc; /* Count of arguments in pargv */ -long pnleft; /* Number of chars left in pargs */ -tchar *pargcp; /* Current index into pargs */ +extern tchar **pargv; /* Pointer to the argv list space */ /* * History list @@ -451,19 +429,18 @@ tchar *pargcp; /* Current index into pargs */ * when history substitution includes modifiers, and thrown away * at the next discarding since their event numbers are very negative. */ -struct Hist { +extern struct Hist { struct wordent Hlex; int Hnum; int Href; struct Hist *Hnext; } Histlist; -struct wordent paraml; /* Current lexical word list */ -int eventno; /* Next events number */ -int lastev; /* Last event reference (default) */ +extern struct wordent paraml; /* Current lexical word list */ +extern int eventno; /* Next events number */ -tchar HIST; /* history invocation character */ -tchar HISTSUB; /* auto-substitute character */ +extern tchar HIST; /* history invocation character */ +extern tchar HISTSUB; /* auto-substitute character */ extern void *xalloc(size_t); extern void *xcalloc(size_t, size_t); @@ -511,7 +488,7 @@ extern tchar *value1(tchar *, struct varent *); * Here we are dynamically reallocating the bname to the new length * to store the new path */ -tchar *bname; +extern tchar *bname; #define setname(a) { \ bname = xrealloc(bname, (strlen_(a)+1) * sizeof (tchar)); \ strcpy_(bname, a); \ @@ -519,17 +496,17 @@ tchar *bname; } #ifdef VFORK -tchar *Vsav; -tchar **Vav; -tchar *Vdp; +extern tchar *Vsav; +extern tchar **Vav; +extern tchar *Vdp; #endif -tchar **evalvec; -tchar *evalp; +extern tchar **evalvec; +extern tchar *evalp; /* Conversion functions between char and tchar strings. */ -tchar *strtots(/* tchar * , char * */); -char *tstostr(/* char * , tchar * */); +tchar *strtots(tchar *, char *); +char *tstostr(char *, tchar *); #ifndef NULL #define NULL 0 @@ -559,11 +536,8 @@ char *tstostr(/* char * , tchar * */); * variable. */ -char xhash[HSHSIZ / 8]; -char xhash2[HSHSIZ / 8]; +extern char xhash[HSHSIZ / 8]; +extern 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 */ -#ifdef VFORK -int hits, misses; -#endif |