v13i052: Screen-oriented rolodex program, Part04/04
Rich Salz
rsalz at bbn.com
Sat Feb 20 08:30:55 AEST 1988
Submitted-by: Dave Ihnat <ihnp4!homebru!ignatz>
Posting-number: Volume 13, Issue 52
Archive-name: rolodex/part04
#! /bin/sh
# This is a shell archive. Remove anything before this line, then unpack
# it by saving it into a file and typing "sh file". To overwrite existing
# files, type "sh file -c". You can also feed this as standard input via
# unshar, or by typing "sh <file", e.g.. If this archive is complete, you
# will see the following message at the end:
# "End of archive 4 (of 4)."
PATH=/bin:/usr/bin:/usr/ucb ; export PATH
if test -f './toolsdir/ctools.c' -a "${1}" != "-c" ; then
echo shar: Will not clobber existing file \"'./toolsdir/ctools.c'\"
else
echo shar: Extracting \"'./toolsdir/ctools.c'\" \(21027 characters\)
sed "s/^X//" >'./toolsdir/ctools.c' <<'END_OF_FILE'
X/* -*- Mode: C; Package: (CTOOLS C) -*- */
X
X#include <ctype.h>
X#include <stdio.h>
X
X#ifdef BSD42
X#include <strings.h>
X#endif
X
X#include "sys5.h"
X
X#include "ctools.h"
X
X#include "basics.h"
Xchar maxintstr[30] = { '\0' };
X
X#ifdef MSDOS
X#define rindex strrchr
X#define index strchr
X#include <string.h>
X#endif
X
X/* miscellaneous fairly primitive routines that deal with characters, */
X/* strings, memory, simple input and pathnames. */
X
X
X/* Author: JP Massar */
X/* Thinking Machines Corporation */
X
X/* Included routines:
X
X emalloc
X anewstr
X
X copy
X fill
X
X to_upper_if_lower
X to_lower_if_upper
X
X buffconcat
X nbuffconcat
X
X slcompare
X slge_compare
X nocase_compare
X
X strfind
X strncfind
X strsearch
X strncsearch
X
X yes_or_no_check
X
X remove_excess_blanks
X ip_string_trim
X string_trim
X string_upcase
X string_downcase
X
X all_digits
X all_whitespace
X all_uppercase
X all_lowercase
X all_alphabetic
X all_alphanumeric
X all_ascii
X
X str_to_pos_int
X
X sreverse
X ip_sreverse
X
X temp_path
X perm_path
X make_path_numeric_extension
X make_path
X just_filename
X
X read_yes_or_no
X getline
X getlines
X ngetlines
X getfile
X ngetfile
X read_file_into_buffer
X efopen
X
X check_int
X check_string
X
X*/
X
X
Xextern char *malloc();
X
X
Xchar *emalloc (space) int space;
X
X/* allocate 'space' bytes, die if we have run out of memory. */
X
X{
X char *rval;
X if (space < 0) {
X fprintf(stderr,"Fatal error: argument to emalloc < 0\n");
X exit(-1);
X }
X if (0 == (rval = malloc((unsigned) space))) {
X fprintf(stderr,"Fatal error: No more memory\n");
X exit(-1);
X }
X return(rval);
X}
X
X
Xchar *anewstr (astring) char *astring;
X
X/* allocate space for and then copy a string. Returns pointer to */
X/* new string. */
X
X{
X char *newstr;
X newstr = emalloc(strlen(astring)+1);
X strcpy(newstr,astring);
X return(newstr);
X}
X
X
Xcopy (dest,src,n)
X
X /* copy n bytes */
X
X register char *dest,*src;
X register int n;
X
X { register int j = 0;
X while (j++ < n) *dest++ = *src++;
X }
X
X
Xfill (addr,ch,n)
X
X /* fill n sequential bytes with 'ch' */
X
X register char *addr;
X register char ch;
X register int n;
X
X { register int j = 0;
X while (j++ < n) *addr++ = ch;
X }
X
X
Xto_upper_if_lower (ch)
X
X char ch;
X
X { return(islower(ch) ? toupper(ch) : ch); }
X
X
Xto_lower_if_upper (ch)
X
X char ch;
X
X { return(isupper(ch) ? tolower(ch) : ch); }
X
X
Xbuffconcat (buffer,s1,s2)
X
X /* concatenate two null terminated strings into a buffer. */
X
X char *buffer, *s1, *s2;
X
X { while (*s1 != '\0') *buffer++ = *s1++;
X while (*s2 != '\0') *buffer++ = *s2++;
X *buffer = '\0';
X }
X
X
Xnbuffconcat (buffer,n,s1,s2,s3,s4,s5,s6)
X
X /* concatenates up to 6 strings into a buffer. Returns -1 if n */
X /* is not reasonable, otherwise returns 0. */
X
X char *buffer;
X int n;
X char *s1,*s2,*s3,*s4,*s5,*s6;
X
X{
X register char *b;
X register char *s;
X int i;
X b = buffer;
X if (n < 1 || n > 6) return(-1);
X for (i = 1; i <= 6; i++) {
X if (i > n) break;
X switch (i) {
X case 1 : s = s1; break;
X case 2 : s = s2; break;
X case 3 : s = s3; break;
X case 4 : s = s4; break;
X case 5 : s = s5; break;
X case 6 : s = s6; break;
X }
X while (*s != '\0') *b++ = *s++;
X }
X *b = '\0';
X return(0);
X}
X
X
Xslcompare (s1,l1,s2,l2)
X
X /* compare strings with possible nulls in them given their lengths */
X /* only returns EQUAL (0) or NOT EQUAL (-1) */
X
X char *s1;
X int l1;
X char *s2;
X int l2;
X
X { int j;
X if (l1 != l2) return(-1);
X j = 0;
X while (j++ < l1)
X if (*s1++ != *s2++) return(-1);
X return(0);
X }
X
X
Xslge_compare (s1,l1,s2,l2)
X
X /* returns -1 if s1 < s2; 1 if s2 < s1; 0 if s1 = s2 */
X /* ignores nulls in the strings */
X
X char *s1;
X int l1;
X char *s2;
X int l2;
X
X { int j,len;
X j = 0;
X len = l2 > l1 ? l1 : l2;
X while (j++ < len) {
X if (*s1 != *s2)
X return((*s1 < *s2) ? -1 : 1);
X s1++;
X s2++;
X }
X return((l2 == l1) ? 0 : ((l1 < l2) ? -1 : 1));
X }
X
Xnocase_compare (s1,l1,s2,l2)
X
X /* treats nulls as normal characters. Returns same as slge_compare */
X
X char *s1;
X int l1;
X char *s2;
X int l2;
X
X { int j,len,ch1,ch2;
X j = 0;
X len = l2 > l1 ? l1 : l2;
X while (j++ < len) {
X ch1 = to_upper_if_lower(*s1++);
X ch2 = to_upper_if_lower(*s2++);
X if (ch1 != ch2) {
X return((ch1 < ch2) ? -1 : 1);
X }
X }
X return((l2 == l1) ? 0 : ((l1 < l2) ? -1 : 1));
X }
X
X
Xchar *strfind(s1,s2,fast)
X
X register char *s1;
X char *s2;
X Bool fast;
X
X{
X register int len1,len2;
X len2 = strlen(s2);
X if (fast) {
X while (*s1 != '\0')
X if (0 == strncmp(s1++,s2,len2)) return(s1-1);
X }
X else {
X len1 = strlen(s1);
X while (len1 >= len2) {
X if (0 == strncmp(s1++,s2,len2)) return(s1-1);
X len1--;
X }
X }
X return(0);
X}
X
X
Xchar *strncfind(s1,s2,fast)
X
X register char *s1;
X char *s2;
X Bool fast;
X
X{
X register int len1,len2;
X len2 = strlen(s2);
X if (fast) {
X while (*s1 != '\0')
X if (0 == nocase_compare(s1++,len2,s2,len2)) return(s1-1);
X }
X else {
X len1 = strlen(s1);
X while (len1 >= len2) {
X if (0 == nocase_compare(s1++,len2,s2,len2)) return(s1-1);
X len1--;
X }
X }
X return(0);
X}
X
X
Xchar *strsearch(s1,s1len,s2,s2len)
X
X /* do a substring search without noticing nulls */
X /* finds s2 in s1, returns pointer into s1 or 0 */
X
X register char *s1, *s2;
X register int s1len,s2len;
X
X { register char *pc;
X register char *bound;
X register char *pctemp;
X register char *s2temp;
X register int j;
X
X bound = s1 + s1len - s2len;
X for (pc = s1; pc <= bound; pc++) {
X pctemp = pc;
X s2temp = s2;
X for (j = 0; j < s2len; j++)
X if (*pctemp++ != *s2temp++) goto not_here;
X return(pc);
X not_here :
X continue;
X }
X return(0);
X}
X
X
Xchar *strncsearch(s1,s1len,s2,s2len)
X
X /* do a substring search without noticing nulls */
X /* finds s2 in s1, returns pointer into s1 or 0 */
X /* case independent */
X
X register char *s1, *s2;
X register int s1len,s2len;
X
X { register char *pc;
X register char *bound;
X register char *pctemp;
X register char *s2temp;
X register int j;
X char ch1, ch2;
X
X bound = s1 + s1len - s2len;
X for (pc = s1; pc <= bound; pc++) {
X pctemp = pc;
X s2temp = s2;
X for (j = 0; j < s2len; j++) {
X ch1 = *pctemp++;
X ch2 = *s2temp++;
X if (to_upper_if_lower(ch1) != to_upper_if_lower(ch2))
X goto not_here;
X }
X return(pc);
X not_here :
X continue;
X }
X return(0);
X}
X
X
Xint remove_excess_blanks (newstring,oldstring)
X
X /* it is assumed that newstring is as long as oldstring if necessary */
X
X char *newstring,*oldstring;
X
X{
X int count = 0;
X int space_found = 0;
X
X /* skip over all blanks at beginning */
X
X if (*oldstring == ' ') {
X while (*oldstring == ' ') oldstring++;
X }
X
X while (*oldstring != '\0') {
X if (space_found && *oldstring == ' ') {
X oldstring++;
X continue;
X }
X space_found = (*oldstring == ' ');
X *newstring++ = *oldstring++;
X count++;
X }
X
X *newstring = '\0';
X if (count > 0 && *(newstring - 1) == ' ') {
X count--;
X *(newstring - 1) = '\0';
X }
X
X return(count);
X
X}
X
Xint ip_string_trim (oldstring,trimchars,pretrim,posttrim)
X
X char *oldstring, *trimchars;
X Bool pretrim,posttrim;
X
X{
X Bool trim = T;
X char *np = oldstring, ch;
X int len;
X
X if (pretrim) {
X while (trim && ('\0' != (ch = *np))) {
X trim = (0 != index(trimchars,ch));
X if (trim) np++;
X }
X strcpy(oldstring,np);
X }
X if (1 >= (len = strlen(oldstring)) && pretrim) return(len);
X if (posttrim) {
X np = oldstring + len - 1;
X while (T) {
X ch = *np;
X trim = (0 != index(trimchars,ch));
X if (trim) *np = '\0';
X if (!trim || np == oldstring) break;
X np--;
X }
X }
X return(strlen(oldstring));
X}
X
Xint string_trim (newstring,oldstring,trimchars,pretrim,posttrim)
X
X char *newstring, *oldstring, *trimchars;
X Bool pretrim, posttrim;
X
X{
X strcpy(newstring,oldstring);
X return(ip_string_trim(newstring,trimchars,pretrim,posttrim));
X}
X
Xstring_upcase (astring) char *astring;
X{
X while (*astring) {
X *astring = to_upper_if_lower(*astring);
X astring++;
X }
X}
X
Xstring_downcase (astring) char *astring;
X{
X while (*astring) {
X *astring = to_lower_if_upper(*astring);
X astring++;
X }
X}
X
X
Xyes_or_no_check (astring) char *astring;
X
X/* returns 1 if yes, 0 if no, -1 if neither */
X/* works for 'Y' 'YES' 'NO' 'N' in any capitalization */
X
X{
X int len;
X len = strlen(astring);
X if (len == 0 || len > 3) return(-1);
X if (0 == nocase_compare(astring,len,"YES",3) ||
X 0 == nocase_compare(astring,len,"Y",1))
X return(1);
X if (0 == nocase_compare(astring,len,"NO",2) ||
X 0 == nocase_compare(astring,len,"N",1))
X return(0);
X return(-1);
X}
X
X
XBool all_digits (astring) char *astring;
X
X/* test whether every character is a digit (0-9) */
X
X{
X while (*astring != '\0')
X if (!isdigit(*astring++)) return(F);
X return(T);
X}
X
X
XBool all_whitespace (astring) char *astring;
X
X/* test whether every character is a blank or a tab */
X
X{
X register char ch;
X while ((ch = *astring++) != '\0') {
X if (ch == ' ' || ch == '\t') continue;
X return(F);
X }
X return(T);
X}
X
XBool all_uppercase(astring) char *astring;
X{
X register char ch;
X while ((ch = *astring++) != '\0') {
X if (!isupper(ch)) return(F);
X }
X return(T);
X}
X
XBool all_lowercase(astring) char *astring;
X{
X register char ch;
X while ((ch = *astring++) != '\0') {
X if (!islower(ch)) return(F);
X }
X return(T);
X}
X
XBool all_alphabetic(astring) char *astring;
X{
X register char ch;
X while ((ch = *astring++) != '\0') {
X if (!isalpha(ch)) return(F);
X }
X return(T);
X}
X
XBool all_ascii(astring) char *astring;
X{
X register char ch;
X while ((ch = *astring++) != '\0') {
X if (!isascii(ch)) return(F);
X }
X return(T);
X}
X
XBool all_alphanumeric(astring) char *astring;
X{
X register char ch;
X while ((ch = *astring++) != '\0') {
X if (!isalnum(ch)) return(F);
X }
X return(T);
X}
X
Xint str_to_pos_int (astring,low,high) char *astring; int low,high;
X
X /* returns -1 if *astring is not composed of digits. */
X /* returns -2 if the integer is out of range. */
X /* treats all digit strings as decimal. */
X
X{
X int value,len,maxlen,j;
X maxlen = strlen(MAXINTSTR);
X len = strlen(astring);
X if (!all_digits(astring)) return(-1);
X if (len > maxlen) return(-2);
X if (len == maxlen) {
X if (1 == strcmp(astring,MAXINTSTR)) return(-2);
X }
X for (j = 0; j < len-1; j++) {
X if (*astring != '0') break;
X astring++;
X }
X sscanf(astring,"%d",&value);
X if (value < low || value > high) return(-2);
X return(value);
X}
X
X
Xint sreverse (buffer,astring) char *buffer, *astring;
X{
X register int last = strlen(astring);
X buffer[last--] = '\0';
X while (last >= 0) buffer[last--] = *astring++;
X}
X
Xchar * ip_sreverse (astring) char *astring;
X{
X register int last = strlen(astring) - 1;
X register int first = 0;
X register char ch;
X while (first < last) {
X ch = astring[first];
X astring[first++] = astring[last];
X astring[last--] = ch;
X }
X return(astring);
X}
X
X
X
Xstatic char pathbuffer[PATH_MAXPATHLEN];
X
X
Xchar *temp_path (dir,filename) char *dir; char *filename;
X
X{
X return(make_path(dir,filename,"",F));
X}
X
X
Xchar *perm_path (dir,filename) char *dir; char *filename;
X
X{
X return(make_path(dir,filename,"",T));
X}
X
X
Xchar *make_path_numeric_extension (dir,filename,extension,perm)
X
X char *dir, *filename;
X int extension;
X Bool perm;
X
X{
X#ifdef UNIX
X char *sprintf();
X#else
X int sprintf();
X#endif
X char buffer[20];
X sprintf(buffer,"%d",extension);
X return(make_path(dir,filename,buffer,perm));
X}
X
X
Xchar *make_path (dir,filename,extension,perm)
X
X char *dir, *filename, *extension;
X Bool perm;
X
X{
X char *rval;
X if (!perm && (strlen(dir) + 1 + strlen(filename) + strlen(extension) + 1 >=
X PATH_MAXPATHLEN)) {
X return((char *) 0);
X }
X#ifdef UNIX
X nbuffconcat(pathbuffer,4,dir,"/",filename,extension);
X#endif
X
X#ifdef VMS
X nbuffconcat(pathbuffer,4,dir,filename,extension);
X#endif
X
X#ifdef MSDOS
X nbuffconcat(pathbuffer,4,dir,"/",filename,extension);
X#endif
X
X if (!perm) return(pathbuffer);
X rval = emalloc(strlen(pathbuffer) + 1);
X strcpy(rval,pathbuffer);
X return(rval);
X}
X
X
Xchar *just_filename (path,new,perm) char *path; Bool new,perm;
X
X{
X char *fnp,*rval;
X#ifdef UNIX
X fnp = ((char *)NULL == (fnp = rindex(path,'/'))) ? path : fnp + 1;
X#endif
X
X#ifdef VMS
X fnp = ((char *)NULL == (fnp = rindex(path,']'))) ? path : fnp + 1;
X#endif
X
X#ifdef MSDOS
X if((fnp = rindex(path,'/')) != (char *)NULL)
X fnp += 1;
X
X if(fnp == (char *)NULL)
X if((fnp = rindex(path,'\\')) == (char *)NULL)
X fnp = path;
X else
X fnp += 1;
X#endif
X
X if (!new) return(fnp);
X if (!perm) {
X strcpy(pathbuffer,fnp);
X return(pathbuffer);
X }
X else {
X rval = emalloc(strlen(fnp) + 1);
X strcpy(rval,fnp);
X return(rval);
X }
X}
X
X
X
Xread_yes_or_no (iport,oport,prompt,helpstring,quitstring)
X
X /* prints prompt, then reads from port until it gets 'Y', 'N', 'YES' or */
X /* 'NO' (case independently). If helpstring and/or quitstring are not */
X /* "" or (char *) 0 then if the user types in one of those ANSWER_HELP */
X /* or ANSWER_QUIT are returned, otherwise ANSWER_NO or ANSWER_YES are */
X /* eventually returned. */
X
X FILE *iport, *oport;
X char *prompt, *helpstring, *quitstring;
X
X{
X char buffer[20],buffer2[20];
X int bl,hl,ql;
X
X buffer[19] = '\0';
X
X while (T) {
X
X fprintf(oport,"%s",prompt);
X switch ((char)getline(iport,buffer,20)) {
X case (AT_EOF) :
X return(ANSWER_EOF);
X /* break; */
X case (TOO_MANY_CHARS) :
X break;
X default :
X if (0 == (bl = remove_excess_blanks(buffer2,buffer))) break;
X switch (yes_or_no_check(buffer2)) {
X case (0) :
X return(ANSWER_NO);
X case (1) :
X return(ANSWER_YES);
X case (-1) :
X if (helpstring != (char *) 0 && (hl = strlen(helpstring)) > 0) {
X if (0 == nocase_compare(buffer2,bl,helpstring,hl)) {
X return(ANSWER_HELP);
X }
X }
X if (quitstring != (char *) 0 && (ql = strlen(quitstring)) > 0) {
X if (0 == nocase_compare(buffer2,bl,quitstring,ql)) {
X return(ANSWER_QUIT);
X }
X }
X break;
X }
X break;
X }
X
X fprintf(oport,"Please answer 'YES' or 'NO'\n");
X continue;
X
X }
X
X}
X
X
Xint getline (iport,buffer,buflen) FILE *iport; char *buffer; int buflen;
X
X /* reads a line into buffer. Does not put the '\n' into buffer. */
X /* Returns AT_EOF if at end of file when called. If it encounters */
X /* end of file after reading at least one character, the eof is treated */
X /* as if it were a newline. Returns TOO_MANY_CHARS if more than */
X /* buflen - 1 characters are read before encountering a newline. */
X /* In this case exactly buflen - 1 characters are read. */
X /* The last character read is always follwed by a '\0'. */
X /* if successful getline returns the number of characters read exclusive */
X /* of a terminating newline or eof. */
X
X{
X int ch;
X char *bptr = buffer;
X int nchars = 0;
X
X if (buflen <= 0) return(TOO_MANY_CHARS);
X
X while (T) {
X switch (ch = getc(iport)) {
X case (EOF) :
X case ('\n') :
X if (ch == EOF && nchars == 0) return(AT_EOF);
X *bptr = '\0';
X return(nchars);
X default :
X if (++nchars == buflen) {
X *bptr = '\0';
X ungetc(ch,iport);
X return(TOO_MANY_CHARS);
X }
X *bptr++ = ch;
X }
X
X }
X
X}
X
X
Xint getlines (fp,n,ptr_lines,linebuf,maxlinelen)
X
X /* See documentation for getfile below */
X
X FILE *fp;
X int n;
X char ***ptr_lines;
X char *linebuf;
X int maxlinelen;
X
X{
X int len;
X char *line;
X if (0 > (len = getline(fp,linebuf,maxlinelen))) {
X if (len == AT_EOF) {
X *ptr_lines = (char **) emalloc(n * sizeof(char **));
X return(n);
X }
X else {
X return(TOO_MANY_CHARS);
X }
X }
X else {
X line = emalloc(len+1);
X strcpy(line,linebuf);
X len = getlines(fp,n+1,ptr_lines,linebuf,maxlinelen);
X if (len == TOO_MANY_CHARS) return(TOO_MANY_CHARS);
X (*ptr_lines)[n] = line;
X return(len);
X }
X}
X
X
Xint getfile (filename,ptr_lines,linebuf,maxlinelen)
X
X /* read in a file as an array of character strings */
X /* 'maxlinelen+1' is the maximum length a line of the file is allowed */
X /* to be. 'linebuf' must be at least 'maxlinelen+1' characters long. */
X /* Returns the number of lines in the file (and therefore the number */
X /* of entries in *ptr_lines) if successful. Returns IOERROR if it */
X /* could not open the file to read from. Returns TOO_MANY_CHARS if */
X /* it encounters a line longer than 'maxlinelen' characters. */
X
X /* Space for each line is malloc'ed as it is read in and the text for */
X /* the jth line is stored in (*ptr_lines)[j] */
X
X char *filename;
X char ***ptr_lines;
X char *linebuf;
X int maxlinelen;
X
X{
X FILE *fp;
X int nlines;
X if (NULL == (fp = fopen(filename,"r"))) return(IOERROR);
X nlines = getlines(fp,0,ptr_lines,linebuf,maxlinelen);
X fclose(fp);
X return(nlines);
X}
X
X
Xint ngetlines (fp,n,ptr_lines,linebuf,maxlinelen)
X
X /* See documentation for ngetfile below */
X
X FILE *fp;
X int n;
X char ***ptr_lines;
X char *linebuf;
X int maxlinelen;
X
X{
X int len;
X int nlines = 0;
X *ptr_lines = (char **) emalloc(n * sizeof(char **));
X while (T) {
X if (0 > (len = getline(fp,linebuf,maxlinelen))) {
X if (len == AT_EOF) {
X return(nlines);
X }
X else {
X return(TOO_MANY_CHARS);
X }
X }
X else {
X if (++nlines > n) {
X return(TOO_MANY_LINES);
X }
X (*ptr_lines)[nlines-1] = anewstr(linebuf);
X }
X }
X}
X
X
X
Xint ngetfile (n,filename,ptr_lines,linebuf,maxlinelen)
X
X /* Same as getfile except that at most n lines will be read. */
X /* If it attempts to read more than n lines, TOO_MANY_LINES will */
X /* be returned. */
X
X int n;
X char *filename;
X char ***ptr_lines;
X char *linebuf;
X int maxlinelen;
X
X{
X FILE *fp;
X int nlines;
X if (NULL == (fp = fopen(filename,"r"))) return(IOERROR);
X nlines = ngetlines(fp,n,ptr_lines,linebuf,maxlinelen);
X fclose(fp);
X return(nlines);
X}
X
X
Xint read_file_into_buffer (
X
X filename,ptr_lines,maxlines,buffer,buflen,linebuffer,linebuflen
X
X )
X
X char *filename;
X char ***ptr_lines;
X int maxlines;
X char *buffer;
X int buflen;
X char *linebuffer;
X int linebuflen;
X
X /* *ptr_lines should be an array of character string pointers maxlines */
X /* big. buffer should be an array of characters buflen long. The routine */
X /* reads lines using getline and stores them into buffer, terminating each */
X /* with a null. A pointer to the nth line read is stored in *ptr_lines[n] */
X /* Returns IOERROR if it cannot open the file for reading, TOO_MANY_LINES */
X /* if more than maxlines were read in, TOO_MANY_CHARS if buffer is */
X /* filled before end of file is reached, and LINE_TOO_LONG is any line is */
X /* longer than linebuflen. Returns number of lines read in if successful. */
X
X{
X FILE *fp;
X int linecount,charcount,len;
X char *bp;
X char **lines;
X
X if (NULL == (fp = fopen(filename,"r"))) return(IOERROR);
X linecount = 0;
X charcount = 0;
X bp = buffer;
X lines = *ptr_lines;
X
X while (T) {
X
X if (0 > (len = getline(fp,linebuffer,linebuflen))) {
X fclose(fp);
X if (len == AT_EOF) {
X return(linecount);
X }
X else {
X return(LINE_TOO_LONG);
X }
X }
X
X if (linecount >= maxlines) {
X fclose(fp);
X return(TOO_MANY_LINES);
X }
X
X charcount += len;
X if (charcount >= buflen) {
X fclose(fp);
X return(TOO_MANY_CHARS);
X }
X
X strcpy(bp,linebuffer);
X lines[linecount++] = bp;
X bp += (len + 1);
X
X }
X
X}
X
Xchar *efopen (filename,mode) char *filename; char *mode;
X
X /* The routine simply calls fopen with the same arguments, but prints a */
X /* reasonable error message and calls exit if the call to fopen fails. */
X
X{
X FILE *fp;
X if (NULL == (fp = fopen(filename,mode))) {
X fprintf(stderr,"Could not open %s, mode: %s\n",filename,mode);
X perror("Reason: ");
X exit(1);
X }
X return((char *) fp);
X}
X
X
X
Xint record_fseek (fp,rnum,fromwhere,rsize,hdrsize)
X
X FILE *fp;
X long rnum;
X int fromwhere;
X int rsize;
X int hdrsize;
X
X{
X if (fromwhere == 0) {
X return(fseek(fp,(long) ((rnum - 1)*rsize + hdrsize),0));
X }
X else {
X return(fseek(fp,(long) (rnum*rsize),fromwhere));
X }
X}
X
X
XBool check_string (s,minlen,maxlen) char *s; long minlen,maxlen;
X{
X long len;
X if (s == 0) return(F);
X len = strlen(s);
X return (len >= minlen && len <= maxlen);
X}
END_OF_FILE
if test 21027 -ne `wc -c <'./toolsdir/ctools.c'`; then
echo shar: \"'./toolsdir/ctools.c'\" unpacked with wrong size!
fi
# end of './toolsdir/ctools.c'
fi
echo shar: End of archive 4 \(of 4\).
cp /dev/null ark4isdone
MISSING=""
for I in 1 2 3 4 ; do
if test ! -f ark${I}isdone ; then
MISSING="${MISSING} ${I}"
fi
done
if test "${MISSING}" = "" ; then
echo You have unpacked all 4 archives.
rm -f ark[1-9]isdone
else
echo You still need to unpack the following archives:
echo " " ${MISSING}
fi
## End of shell archive.
exit 0
--
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