diff options
Diffstat (limited to 'usr.bin/join/join.c')
| -rw-r--r-- | usr.bin/join/join.c | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/usr.bin/join/join.c b/usr.bin/join/join.c index bfe526f67889..21973a8a0efe 100644 --- a/usr.bin/join/join.c +++ b/usr.bin/join/join.c @@ -42,15 +42,16 @@ char copyright[] = #endif /* not lint */ #ifndef lint -static char sccsid[] = "@(#)join.c 5.1 (Berkeley) 11/18/91"; +/*static char sccsid[] = "from: @(#)join.c 5.1 (Berkeley) 11/18/91";*/ +static char rcsid[] = "$Id: join.c,v 1.4 1994/04/17 09:35:20 alm Exp $"; #endif /* not lint */ #include <sys/types.h> -#include <errno.h> -#include <stdlib.h> #include <stdio.h> +#include <stdlib.h> #include <string.h> #include <ctype.h> +#include <errno.h> /* * There's a structure per input file which encapsulates the state of the @@ -270,7 +271,7 @@ slurp(F) LINE tmp; size_t len; int cnt; - char *bp, *fieldp, *token; + char *bp, *fieldp; /* * Read all of the lines from an input file that have the same @@ -307,20 +308,30 @@ slurp(F) F->pushback = -1; continue; } - if ((bp = fgetline(F->fp, &len)) == NULL) + if ((bp = fgetln(F->fp, &len)) == NULL) return; - while (lp->linealloc <= len) { - lp->linealloc += 100; + if (lp->linealloc <= len + 1) { + if (lp->linealloc == 0) + lp->linealloc = 128; + while (lp->linealloc <= len + 1) + lp->linealloc *= 2; + if ((lp->line = realloc(lp->line, lp->linealloc * sizeof(char))) == NULL) enomem(); } bcopy(bp, lp->line, len+1); + /* Replace trailing newline, if it exists. */ + if (bp[len - 1] == '\n') + lp->line[len - 1] = '\0'; + else + lp->line[len] = '\0'; + bp = lp->line; + /* Split the line into fields, allocate space as necessary. */ - token = lp->line; lp->fieldcnt = 0; - while ((fieldp = strsep(&token, tabchar)) != NULL) { + while ((fieldp = strsep(&bp, tabchar)) != NULL) { if (spans && *fieldp == '\0') continue; if (lp->fieldcnt == lp->fieldalloc) { |