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Length: 1916 (0x77c)
Types: TextFile
Names: »parseline.c«
└─⟦87ddcff64⟧ Bits:30001253 CPHDIST85 Tape, 1985 Autumn Conference Copenhagen
└─⟦this⟧ »cph85dist/stat/src/parseline.c«
/*LINTLIBRARY*/
#include <stdio.h>
#include <ctype.h>
#ifndef MSDOS
static char sccsfid[] = "@(#) parseline.c 5.1 (unix|stat) 2/22/85";
#endif
/* Copyright (c) 1982 Gary Perlman (see Copyright file) */
/* parseline reads from line into array, an array of maxstrings pointers.
It returns the number of strings read in, or maxstrings + 1 if some
information is discarded. The input string is clobbered for space.
*/
parseline (line, array, maxstrings)
register char *line;
char **array;
{
int nstrings = 0; /* number of strings read in */
int qchar; /* quote character */
while (isspace (*line)) line++;
while (*line)
{
qchar = (*line == '"' || *line == '\'') ? *line++ : '\0';
array[nstrings] = line;
while (*line && (qchar ? (*line != qchar) : (!isspace (*line)))) line++;
if (*line) *line++ = '\0';
while (isspace (*line)) line++;
if (++nstrings == maxstrings)
return (maxstrings + (*line ? 1 : 0));
}
return (nstrings);
}
#ifdef STANDALONE
#define MAX 100
main ()
{
int ncols;
int col;
char *array[MAX];
char line[BUFSIZ];
while (fgets (line, BUFSIZ, stdin))
{
ncols = parseline (stdin, array, MAX);
printf ("%3d ", ncols);
for (col = 0; col < ncols; col++)
{
printquote (array[col]);
putchar (' ');
}
putchar ('\n');
}
exit (0);
}
printquote (s)
char *s;
{
char *ptr;
int squote = 0; /* is there a single quote in string? */
int dquote = 0; /* is there a double quote in string? */
int space = 0; /* is there a space in string? */
for (ptr = s; *ptr; ptr++)
{
if (*ptr == '\'') squote++;
else if (*ptr == '"') dquote++;
else if (*ptr == ' ') space++;
}
if (space == 0 && *s != '\'' && *s != '"')
printf ("%s", s);
else if (dquote && !squote)
printf ("'%s'", s);
else if (squote && !dquote)
printf ("\"%s\"", s);
else /* can't quote this properly! */
printf ("%s");
}
#endif