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Annotation of researchv10no/cmd/nupas/common/string.h, revision 1.1.1.1

1.1       root        1: #ifndef _string_
                      2: #define _string_
                      3: 
                      4: /* libc string routines */
                      5: extern char *strcat();
                      6: extern char *strncat();
                      7: extern char *strcpy();
                      8: extern char *strncpy();
                      9: extern int strlen();
                     10: extern int strcmp();
                     11: extern int strncmp();
                     12: extern char *strchr();
                     13: extern char *strrchr();
                     14: 
                     15: /* extensible strings */
                     16: typedef struct string {
                     17:        char *base;     /* base of string */
                     18:        char *end;      /* end of allocated space+1 */
                     19:        char *ptr;      /* ptr into string */
                     20: } string;
                     21: 
                     22: #define s_putc(s,c)\
                     23:        if (s->ptr<s->end) *(s->ptr)++ = c; else s_grow(s,c)
                     24: #define s_terminate(s)\
                     25:        if (s->ptr<s->end) *s->ptr = 0; else{ s_grow(s,0); s->ptr--; }
                     26: #define s_restart(s) (s->ptr = s->base , s)
                     27: #define s_reset(s) (s ? (*(s->ptr = s->base) = '\0' , s) : s_new())
                     28: #define s_clone(s) s_copy(s->ptr)
                     29: #define s_to_c(s) s->base
                     30: 
                     31: extern string *s_new();
                     32: extern void s_free();
                     33: extern string *s_append();
                     34: extern string *s_nappend();
                     35: extern string *s_array();
                     36: extern string *s_copy();
                     37: extern string *s_seq_read();
                     38: extern char *s_read_line();
                     39: extern int s_read_to_eof();
                     40: extern string *s_parse();
                     41: /* controlling the action of s_seq_read */
                     42: #define TOKEN 0                /* read the next whitespace delimieted token */
                     43: #define LINE 1         /* read the next logical input line */
                     44: #define s_getline(a,b) s_seq_read(a,b,LINE)
                     45: #define s_gettoken(a,b) s_seq_read(a,b,TOKEN)
                     46: 
                     47: 
                     48: #endif

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