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Annotation of researchv9/jerq/sgs/libsdp/define3.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * static char ID[] = "@(#) define3.h: 1.2 3/16/82";
                      3:  */
                      4: /* mnemonic to indicate that a file is closed; cannot equal a file descriptor */
                      5: #define        CLOSED          (-1)
                      6: 
                      7: /* mnemonic to indicate a null manager link; cannot equal an index */
                      8: #define        END             (-1)
                      9: 
                     10: /* mnemonic to indicate an impossible hash value */
                     11: #define HASHNULL       0
                     12: 
                     13: /* mnemonic to indicate a failed search for an id */
                     14: #define IDNOTFOUND     (-3l)
                     15: 
                     16: /* mnemonic to indicate a failed search; distinct from ERROR or SUCCESS */
                     17: #define        NOTFOUND        (-2)
                     18: 
                     19: /* mnemonic to indicate a nonexistent file; distinct from CLOSED or descriptor */
                     20: #define NOTMADE                (-2)
                     21: 
                     22: /* mnemonic to indicate a null ref/chng flag; distinct from RNLY or WRTN */
                     23: #define RCNULL         (-1)
                     24: 
                     25: 
                     26: /* macros to access library functions through the LIB structures */
                     27: 
                     28: #define MALLOC(size)                           (*Glib_mem->liballoc)(size)
                     29: #define MBUILDNAME(name,i)                     (*Glib_file->libbuildname)(name,i)
                     30: #define MCLOSE(designator)                     (*Glib_file->libclose)(designator)
                     31: #define MCREATE(name,mode)                             (*Glib_file->libcreate)(name,mode)
                     32: #define MFREE(ptr)                             (*Glib_mem->libfree)(ptr)
                     33: #define MOPEN(name,perms)                      (*Glib_file->libopen)(name,perms)
                     34: #define MREAD(designator,buffer,nbytes)                (*Glib_file->libread)(designator,buffer,nbytes)
                     35: #define MSEEK(designator,position)             (*Glib_file->libseek)(designator,position)
                     36: #define MUNLINK(name)                          (*Glib_file->libunlink)(name)
                     37: #define MWRITE(designator,buffer,nbytes)       (*Glib_file->libwrite)(designator,buffer,nbytes)
                     38: 
                     39: /* macro to check id for valid range */
                     40: #define INVALID(sp,id) ( !( ((id)>=0) && ((id)<(sp)->maxpage) ) )
                     41: 
                     42: /* macro to check id for valid alignment */
                     43: #define ALIGNID(id)    ( ((id)+sizeof(BOUNDARY)-1)/sizeof(BOUNDARY)*sizeof(BOUNDARY) )

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