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