Added Martin's lpq parse fixes from 2.2.

Jeremy.
(This used to be commit 3853234c2649c501e9876f940f802be86cb6383d)

2 files changed, 15 insertions, 20 deletions

diff --git a/source3/include/safe_string.h b/source3/include/safe_string.h
index 1ee97833c5..118c2302bd 100644
--- a/source3/include/safe_string.h
+++ b/source3/include/safe_string.h
@@ -53,6 +53,9 @@
 #define fstrcpy(d,s) safe_strcpy((d),(s),sizeof(fstring)-1)
 #define fstrcat(d,s) safe_strcat((d),(s),sizeof(fstring)-1)
 
+#define fstrterminate(d) (((d)[sizeof(fstring)-1]) = '\0')
+#define pstrterminate(d) (((d)[sizeof(pstring)-1]) = '\0')
+
 #define wpstrcpy(d,s) safe_strcpy_w((d),(s),sizeof(wpstring))
 #define wpstrcat(d,s) safe_strcat_w((d),(s),sizeof(wpstring))
 #define wfstrcpy(d,s) safe_strcpy_w((d),(s),sizeof(wfstring))
diff --git a/source3/printing/lpq_parse.c b/source3/printing/lpq_parse.c
index 13b87045cd..9d8b1cc2aa 100644
--- a/source3/printing/lpq_parse.c
+++ b/source3/printing/lpq_parse.c
@@ -149,21 +149,17 @@ static BOOL parse_lpq_bsd(char *line,print_queue_struct *buf,BOOL first)
   StrnCpy(buf->fs_file,tok[FILETOK],sizeof(buf->fs_file)-1);
 
   if ((FILETOK + 1) != TOTALTOK) {
-    int bufsize;
     int i;
 
-    bufsize = sizeof(buf->fs_file) - strlen(buf->fs_file) - 1;
-
     for (i = (FILETOK + 1); i < TOTALTOK; i++) {
-      safe_strcat(buf->fs_file," ",bufsize);
-      safe_strcat(buf->fs_file,tok[i],bufsize - 1);
-      bufsize = sizeof(buf->fs_file) - strlen(buf->fs_file) - 1;
-      if (bufsize <= 0) {
-        break;
-      }
+        /* FIXME: Using fstrcat rather than other means is a bit
+         * inefficient; this might be a problem for enormous queues with
+         * many fields. */
+         fstrcat(buf->fs_file, " ");
+         fstrcat(buf->fs_file, tok[i]);
     }
     /* Ensure null termination. */
-    buf->fs_file[sizeof(buf->fs_file)-1] = '\0';
+    fstrterminate(buf->fs_file);
   }
 
 #ifdef PRIOTOK
@@ -282,21 +278,17 @@ static BOOL parse_lpq_lprng(char *line,print_queue_struct *buf,BOOL first)
   StrnCpy(buf->fs_file,tokarr[LPRNG_FILETOK],sizeof(buf->fs_file)-1);
 
   if ((LPRNG_FILETOK + 1) != LPRNG_TOTALTOK) {
-    int bufsize;
     int i;
 
-    bufsize = sizeof(buf->fs_file) - strlen(buf->fs_file) - 1;
-
     for (i = (LPRNG_FILETOK + 1); i < LPRNG_TOTALTOK; i++) {
-      safe_strcat(buf->fs_file," ",bufsize);
-      safe_strcat(buf->fs_file,tokarr[i],bufsize - 1);
-      bufsize = sizeof(buf->fs_file) - strlen(buf->fs_file) - 1;
-      if (bufsize <= 0) {
-        break;
-      }
+      /* FIXME: Using fstrcat rather than other means is a bit
+       * inefficient; this might be a problem for enormous queues with
+       * many fields. */
+      fstrcat(buf->fs_file, " ");
+      fstrcat(buf->fs_file, tokarr[i]);
     }
     /* Ensure null termination. */
-    buf->fs_file[sizeof(buf->fs_file)-1] = '\0';
+    fstrterminate(buf->fs_file);
   }
 
   return(True);