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#! /bin/sh /usr/share/dpatch/dpatch-run
## 02_dynamicbufferalloc.dpatch by <crafterm@debian.org>
##
## All lines beginning with `## DP:' are a description of the patch.
## DP: Dynamic buffer allocation
@DPATCH@
diff -urN cvsps-2.1-orig/cache.c cvsps-2.1/cache.c
--- cvsps-2.1-orig/cache.c 2005-05-25 22:39:40.000000000 -0500
+++ cvsps-2.1/cache.c 2005-07-26 15:21:29.716569500 -0500
@@ -108,10 +108,19 @@
int tag_flags = 0;
char branchbuff[LOG_STR_MAX] = "";
int branch_add = 0;
- char logbuff[LOG_STR_MAX] = "";
+ int logbufflen = LOG_STR_MAX + 1;
+ char * logbuff = malloc(logbufflen);
time_t cache_date = -1;
int read_version;
+ if (logbuff == NULL)
+ {
+ debug(DEBUG_SYSERROR, "could not malloc %d bytes for logbuff in read_cache", logbufflen);
+ exit(1);
+ }
+
+ logbuff[0] = 0;
+
if (!(fp = cache_open("r")))
goto out;
@@ -299,8 +308,19 @@
else
{
/* Make sure we have enough in the buffer */
- if (strlen(logbuff)+strlen(buff)<LOG_STR_MAX)
- strcat(logbuff, buff);
+ int len = strlen(buff);
+ if (strlen(logbuff) + len >= LOG_STR_MAX)
+ {
+ logbufflen += (len >= LOG_STR_MAX ? (len+1) : LOG_STR_MAX);
+ char * newlogbuff = realloc(logbuff, logbufflen);
+ if (newlogbuff == NULL)
+ {
+ debug(DEBUG_SYSERROR, "could not realloc %d bytes for logbuff in read_cache", logbufflen);
+ exit(1);
+ }
+ logbuff = newlogbuff;
+ }
+ strcat(logbuff, buff);
}
break;
case CACHE_NEED_PS_MEMBERS:
@@ -332,6 +352,7 @@
out_close:
fclose(fp);
out:
+ free(logbuff);
return cache_date;
}
diff -urN cvsps-2.1-orig/cvsps.c cvsps-2.1/cvsps.c
--- cvsps-2.1-orig/cvsps.c 2005-05-25 22:39:40.000000000 -0500
+++ cvsps-2.1/cvsps.c 2005-07-26 15:22:02.558230700 -0500
@@ -265,7 +265,8 @@
PatchSetMember * psm = NULL;
char datebuff[20];
char authbuff[AUTH_STR_MAX];
- char logbuff[LOG_STR_MAX + 1];
+ int logbufflen = LOG_STR_MAX + 1;
+ char * logbuff = malloc(logbufflen);
int loglen = 0;
int have_log = 0;
char cmd[BUFSIZ];
@@ -273,6 +274,12 @@
char use_rep_buff[PATH_MAX];
char * ltype;
+ if (logbuff == NULL)
+ {
+ debug(DEBUG_SYSERROR, "could not malloc %d bytes for logbuff in load_from_cvs", logbufflen);
+ exit(1);
+ }
+
if (!no_rlog && !test_log_file && cvs_check_cap(CAP_HAVE_RLOG))
{
ltype = "rlog";
@@ -480,24 +487,22 @@
*/
if (have_log || !is_revision_metadata(buff))
{
- /* if the log buffer is full, that's it.
- *
- * Also, read lines (fgets) always have \n in them
- * which we count on. So if truncation happens,
- * be careful to put a \n on.
- *
- * Buffer has LOG_STR_MAX + 1 for room for \0 if
- * necessary
- */
- if (loglen < LOG_STR_MAX)
+ /* If the log buffer is full, try to reallocate more. */
+ if (loglen < logbufflen)
{
int len = strlen(buff);
- if (len >= LOG_STR_MAX - loglen)
+ if (len >= logbufflen - loglen)
{
- debug(DEBUG_APPMSG1, "WARNING: maximum log length exceeded, truncating log");
- len = LOG_STR_MAX - loglen;
- buff[len - 1] = '\n';
+ debug(DEBUG_STATUS, "reallocating logbufflen to %d bytes for file %s", logbufflen, file->filename);
+ logbufflen += (len >= LOG_STR_MAX ? (len+1) : LOG_STR_MAX);
+ char * newlogbuff = realloc(logbuff, logbufflen);
+ if (newlogbuff == NULL)
+ {
+ debug(DEBUG_SYSERROR, "could not realloc %d bytes for logbuff in load_from_cvs", logbufflen);
+ exit(1);
+ }
+ logbuff = newlogbuff;
}
debug(DEBUG_STATUS, "appending %s to log", buff);
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