| 3 |
|
#endif |
| 4 |
|
/* |
| 5 |
|
* Load whitespace separated words from a file into an array. |
| 6 |
– |
* Assume the passed pointer array is big enough to hold them all. |
| 6 |
|
* |
| 7 |
< |
* External symbols declared in standard.h |
| 7 |
> |
* External symbols declared in rtio.h |
| 8 |
|
*/ |
| 9 |
|
|
| 10 |
|
#include "copyright.h" |
| 11 |
|
|
| 12 |
|
#include <ctype.h> |
| 13 |
|
#include <string.h> |
| 15 |
– |
#include <stdio.h> |
| 16 |
– |
#include <sys/types.h> |
| 17 |
– |
#include <sys/stat.h> |
| 18 |
– |
#include <fcntl.h> |
| 14 |
|
|
| 15 |
|
#include "platform.h" |
| 16 |
< |
#include "standard.h" |
| 16 |
> |
#include "rtio.h" |
| 17 |
> |
#include "rtmisc.h" |
| 18 |
|
|
| 19 |
|
|
| 20 |
|
#define MAXWLEN 4096 /* words must be shorter than this */ |
| 29 |
|
{ |
| 30 |
|
int wrdcnt = 0; |
| 31 |
|
int n = 0; |
| 32 |
+ |
int dlen = 0; |
| 33 |
|
int fd; |
| 34 |
|
char buf[MAXWLEN]; |
| 35 |
|
/* load file into buffer */ |
| 41 |
|
return(-1); /* open error */ |
| 42 |
|
words[0] = NULL; |
| 43 |
|
while (nargs > 1 && (n += read(fd, buf+n, MAXWLEN-n)) > 0) { |
| 44 |
+ |
dlen = n; |
| 45 |
|
int crem = 0; |
| 46 |
< |
if (n >= MAXWLEN) /* still something left? */ |
| 46 |
> |
if (n > MAXWLEN/2) /* check for mid-word end */ |
| 47 |
|
while (!isspace(buf[--n])) { |
| 48 |
|
if (n <= 0) /* one long word! */ |
| 49 |
|
goto done; |
| 55 |
|
wrdcnt = -1; /* memory error */ |
| 56 |
|
break; |
| 57 |
|
} |
| 58 |
< |
words += n; |
| 61 |
< |
nargs -= n; |
| 58 |
> |
words += n; nargs -= n; |
| 59 |
|
wrdcnt += n; |
| 60 |
|
if ((n = crem) > 0) /* move remainder */ |
| 61 |
< |
strncpy(buf, buf+MAXWLEN-crem, crem); |
| 61 |
> |
memmove(buf, buf+dlen-crem, crem); |
| 62 |
|
} |
| 63 |
|
done: |
| 64 |
|
close(fd); |
