-/* $Header: str.c,v 2.0 88/06/05 00:16:02 root Exp $
+/* $RCSfile: str.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:26 $
+ *
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999,
+ * 2001, 2002, by Larry Wall and others
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
*
* $Log: str.c,v $
- * Revision 2.0 88/06/05 00:16:02 root
- * Baseline version 2.0.
- *
*/
-#include "handy.h"
#include "EXTERN.h"
-#include "util.h"
#include "a2p.h"
+#include "util.h"
-str_numset(str,num)
-register STR *str;
-double num;
+void
+str_numset(register STR *str, double num)
{
str->str_nval = num;
str->str_pok = 0; /* invalidate pointer */
}
char *
-str_2ptr(str)
-register STR *str;
+str_2ptr(register STR *str)
{
register char *s;
str->str_pok = 1;
#ifdef DEBUGGING
if (debug & 32)
- fprintf(stderr,"0x%lx ptr(%s)\n",str,str->str_ptr);
+ fprintf(stderr,"0x%lx ptr(%s)\n",(unsigned long)str,str->str_ptr);
#endif
return str->str_ptr;
}
double
-str_2num(str)
-register STR *str;
+str_2num(register STR *str)
{
if (!str)
return 0.0;
str->str_nok = 1;
#ifdef DEBUGGING
if (debug & 32)
- fprintf(stderr,"0x%lx num(%g)\n",str,str->str_nval);
+ fprintf(stderr,"0x%lx num(%g)\n",(unsigned long)str,str->str_nval);
#endif
return str->str_nval;
}
-str_sset(dstr,sstr)
-STR *dstr;
-register STR *sstr;
+void
+str_sset(STR *dstr, register STR *sstr)
{
if (!sstr)
str_nset(dstr,No,0);
str_nset(dstr,"",0);
}
-str_nset(str,ptr,len)
-register STR *str;
-register char *ptr;
-register int len;
+void
+str_nset(register STR *str, register char *ptr, register int len)
{
GROWSTR(&(str->str_ptr), &(str->str_len), len + 1);
- bcopy(ptr,str->str_ptr,len);
+ memcpy(str->str_ptr,ptr,len);
str->str_cur = len;
*(str->str_ptr+str->str_cur) = '\0';
str->str_nok = 0; /* invalidate number */
str->str_pok = 1; /* validate pointer */
}
-str_set(str,ptr)
-register STR *str;
-register char *ptr;
+void
+str_set(register STR *str, register char *ptr)
{
register int len;
ptr = "";
len = strlen(ptr);
GROWSTR(&(str->str_ptr), &(str->str_len), len + 1);
- bcopy(ptr,str->str_ptr,len+1);
+ memcpy(str->str_ptr,ptr,len+1);
str->str_cur = len;
str->str_nok = 0; /* invalidate number */
str->str_pok = 1; /* validate pointer */
}
-str_chop(str,ptr) /* like set but assuming ptr is in str */
-register STR *str;
-register char *ptr;
+void
+str_chop(register STR *str, register char *ptr) /* like set but assuming ptr is in str */
+
+
{
if (!(str->str_pok))
str_2ptr(str);
str->str_cur -= (ptr - str->str_ptr);
- bcopy(ptr,str->str_ptr, str->str_cur + 1);
+ memcpy(str->str_ptr, ptr, str->str_cur + 1);
str->str_nok = 0; /* invalidate number */
str->str_pok = 1; /* validate pointer */
}
-str_ncat(str,ptr,len)
-register STR *str;
-register char *ptr;
-register int len;
+void
+str_ncat(register STR *str, register char *ptr, register int len)
{
if (!(str->str_pok))
str_2ptr(str);
GROWSTR(&(str->str_ptr), &(str->str_len), str->str_cur + len + 1);
- bcopy(ptr,str->str_ptr+str->str_cur,len);
+ memcpy(str->str_ptr+str->str_cur, ptr, len);
str->str_cur += len;
*(str->str_ptr+str->str_cur) = '\0';
str->str_nok = 0; /* invalidate number */
str->str_pok = 1; /* validate pointer */
}
-str_scat(dstr,sstr)
-STR *dstr;
-register STR *sstr;
+void
+str_scat(STR *dstr, register STR *sstr)
{
if (!(sstr->str_pok))
str_2ptr(sstr);
str_ncat(dstr,sstr->str_ptr,sstr->str_cur);
}
-str_cat(str,ptr)
-register STR *str;
-register char *ptr;
+void
+str_cat(register STR *str, register char *ptr)
{
register int len;
str_2ptr(str);
len = strlen(ptr);
GROWSTR(&(str->str_ptr), &(str->str_len), str->str_cur + len + 1);
- bcopy(ptr,str->str_ptr+str->str_cur,len+1);
+ memcpy(str->str_ptr+str->str_cur, ptr, len+1);
str->str_cur += len;
str->str_nok = 0; /* invalidate number */
str->str_pok = 1; /* validate pointer */
}
char *
-str_append_till(str,from,delim,keeplist)
-register STR *str;
-register char *from;
-register int delim;
-char *keeplist;
+str_append_till(register STR *str, register char *from, register int delim, char *keeplist)
{
register char *to;
register int len;
else
*to++ = *from++;
}
- else if (index(keeplist,from[1]))
+ else if (strchr(keeplist,from[1]))
*to++ = *from++;
else
from++;
}
STR *
-str_new(len)
-int len;
+str_new(int len)
{
register STR *str;
}
else {
str = (STR *) safemalloc(sizeof(STR));
- bzero((char*)str,sizeof(STR));
+ memset((char*)str,0,sizeof(STR));
}
if (len)
GROWSTR(&(str->str_ptr), &(str->str_len), len + 1);
}
void
-str_grow(str,len)
-register STR *str;
-int len;
+str_grow(register STR *str, int len)
{
if (len && str)
GROWSTR(&(str->str_ptr), &(str->str_len), len + 1);
/* make str point to what nstr did */
void
-str_replace(str,nstr)
-register STR *str;
-register STR *nstr;
+str_replace(register STR *str, register STR *nstr)
{
safefree(str->str_ptr);
str->str_ptr = nstr->str_ptr;
str->str_len = nstr->str_len;
str->str_cur = nstr->str_cur;
str->str_pok = nstr->str_pok;
- if (str->str_nok = nstr->str_nok)
+ if ((str->str_nok = nstr->str_nok))
str->str_nval = nstr->str_nval;
safefree((char*)nstr);
}
void
-str_free(str)
-register STR *str;
+str_free(register STR *str)
{
if (!str)
return;
freestrroot = str;
}
-str_len(str)
-register STR *str;
+int
+str_len(register STR *str)
{
if (!str)
return 0;
}
char *
-str_gets(str,fp)
-register STR *str;
-register FILE *fp;
+str_gets(register STR *str, register FILE *fp)
{
-#ifdef STDSTDIO /* Here is some breathtakingly efficient cheating */
+#if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE)
+ /* Here is some breathtakingly efficient cheating */
register char *bp; /* we're going to steal some values */
register int cnt; /* from the stdio struct and put EVERYTHING */
int i;
int bpx;
- cnt = fp->_cnt; /* get count into register */
+#if defined(VMS)
+ /* An ungetc()d char is handled separately from the regular
+ * buffer, so we getc() it back out and stuff it in the buffer.
+ */
+ i = getc(fp);
+ if (i == EOF) return Nullch;
+ *(--((*fp)->_ptr)) = (unsigned char) i;
+ (*fp)->_cnt++;
+#endif
+
+ cnt = FILE_cnt(fp); /* get count into register */
str->str_nok = 0; /* invalidate number */
str->str_pok = 1; /* validate pointer */
if (str->str_len <= cnt) /* make sure we have the room */
GROWSTR(&(str->str_ptr), &(str->str_len), cnt+1);
bp = str->str_ptr; /* move these two too to registers */
- ptr = fp->_ptr;
+ ptr = (STDCHAR*)FILE_ptr(fp);
for (;;) {
while (--cnt >= 0) {
- if ((*bp++ = *ptr++) == newline)
+ if ((*bp++ = *ptr++) == newline) {
if (bp <= str->str_ptr || bp[-2] != '\\')
goto thats_all_folks;
else {
line++;
bp -= 2;
}
+ }
}
- fp->_cnt = cnt; /* deregisterize cnt and ptr */
- fp->_ptr = ptr;
- i = _filbuf(fp); /* get more characters */
- cnt = fp->_cnt;
- ptr = fp->_ptr; /* reregisterize cnt and ptr */
+ FILE_cnt(fp) = cnt; /* deregisterize cnt and ptr */
+ FILE_ptr(fp) = (void*)ptr; /* LHS STDCHAR* cast non-portable */
+ i = getc(fp); /* get more characters */
+ cnt = FILE_cnt(fp);
+ ptr = (STDCHAR*)FILE_ptr(fp); /* reregisterize cnt and ptr */
bpx = bp - str->str_ptr; /* prepare for possible relocation */
GROWSTR(&(str->str_ptr), &(str->str_len), str->str_cur + cnt + 1);
}
thats_all_folks:
- fp->_cnt = cnt; /* put these back or we're in trouble */
- fp->_ptr = ptr;
+ FILE_cnt(fp) = cnt; /* put these back or we're in trouble */
+ FILE_ptr(fp) = (void*)ptr; /* LHS STDCHAR* cast non-portable */
*bp = '\0';
str->str_cur = bp - str->str_ptr; /* set length */
-#else /* !STDSTDIO */ /* The big, slow, and stupid way */
+#else /* USE_STDIO_PTR && STDIO_PTR_LVALUE && STDIO_CNT_LVALUE */
+ /* The big, slow, and stupid way */
static char buf[4192];
else
str_set(str, No);
-#endif /* STDSTDIO */
+#endif /* USE_STDIO_PTR && STDIO_PTR_LVALUE && STDIO_CNT_LVALUE */
return str->str_cur ? str->str_ptr : Nullch;
}
void
-str_inc(str)
-register STR *str;
+str_inc(register STR *str)
{
register char *d;
}
for (d = str->str_ptr; *d && *d != '.'; d++) ;
d--;
- if (!isdigit(*str->str_ptr) || !isdigit(*d) ) {
+ if (!isDIGIT(*str->str_ptr) || !isDIGIT(*d) ) {
str_numset(str,atof(str->str_ptr) + 1.0); /* punt */
return;
}
}
void
-str_dec(str)
-register STR *str;
+str_dec(register STR *str)
{
register char *d;
}
for (d = str->str_ptr; *d && *d != '.'; d++) ;
d--;
- if (!isdigit(*str->str_ptr) || !isdigit(*d) || (*d == '0' && d == str->str_ptr)) {
+ if (!isDIGIT(*str->str_ptr) || !isDIGIT(*d) || (*d == '0' && d == str->str_ptr)) {
str_numset(str,atof(str->str_ptr) - 1.0); /* punt */
return;
}
/* make a string that will exist for the duration of the expression eval */
STR *
-str_static(oldstr)
-STR *oldstr;
+str_mortal(STR *oldstr)
{
register STR *str = str_new(0);
static long tmps_size = -1;
}
STR *
-str_make(s)
-char *s;
+str_make(char *s)
{
register STR *str = str_new(0);
}
STR *
-str_nmake(n)
-double n;
+str_nmake(double n)
{
register STR *str = str_new(0);