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<title>[931] branches/PR-8817822/darwintrace/darwintrace.c</title>
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<dt>Revision</dt> <dd><a href="http://trac.macosforge.org/projects/darwinbuild/changeset/931">931</a></dd>
<dt>Author</dt> <dd>wsiegrist@apple.com</dd>
<dt>Date</dt> <dd>2011-02-08 15:32:52 -0800 (Tue, 08 Feb 2011)</dd>
</dl>
<h3>Log Message</h3>
<pre>Add feature to darwintrace to ignore the ROOT paths since they cannot contribute to a projects build dependencies.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branchesPR8817822darwintracedarwintracec">branches/PR-8817822/darwintrace/darwintrace.c</a></li>
</ul>
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<h3>Diff</h3>
<a id="branchesPR8817822darwintracedarwintracec"></a>
<div class="modfile"><h4>Modified: branches/PR-8817822/darwintrace/darwintrace.c (930 => 931)</h4>
<pre class="diff"><span>
<span class="info">--- branches/PR-8817822/darwintrace/darwintrace.c 2011-02-08 20:16:29 UTC (rev 930)
+++ branches/PR-8817822/darwintrace/darwintrace.c 2011-02-08 23:32:52 UTC (rev 931)
</span><span class="lines">@@ -89,6 +89,10 @@
</span><span class="cx"> "/dev/",
</span><span class="cx"> };
</span><span class="cx">
</span><ins>+/* store root paths so we can ignore them when logging */
+static char **darwintrace_ignores = NULL;
+static size_t *darwintrace_ignore_lens = NULL;
+
</ins><span class="cx"> /* check if str starts with one of the exceptions */
</span><span class="cx"> static inline bool darwintrace_except(const char *str) {
</span><span class="cx"> size_t c = sizeof(darwintrace_exceptions)/sizeof(*darwintrace_exceptions);
</span><span class="lines">@@ -155,10 +159,40 @@
</span><span class="cx"> dprintf("darwintrace: progname too long to copy: %s\n", *progname);
</span><span class="cx"> }
</span><span class="cx"> }
</span><ins>+
+ /* create ignores list from root env vars */
+ if (getenv("DARWINTRACE_IGNORE_ROOTS")) {
+ darwintrace_ignores = (char**)calloc(4, sizeof(char*));
+ darwintrace_ignore_lens = (size_t*)calloc(4, sizeof(size_t));
+ if (darwintrace_ignores && darwintrace_ignore_lens) {
+ darwintrace_ignores[0] = getenv("OBJROOT");
+ if (darwintrace_ignores[0])
+ darwintrace_ignore_lens[0] = strlen(darwintrace_ignores[0]);
+ darwintrace_ignores[1] = getenv("SRCROOT");
+ if (darwintrace_ignores[1])
+ darwintrace_ignore_lens[1] = strlen(darwintrace_ignores[1]);
+ darwintrace_ignores[2] = getenv("DSTROOT");
+ if (darwintrace_ignores[2])
+ darwintrace_ignore_lens[2] = strlen(darwintrace_ignores[2]);
+ darwintrace_ignores[3] = getenv("SYMROOT");
+ if (darwintrace_ignores[3])
+ darwintrace_ignore_lens[3] = strlen(darwintrace_ignores[3]);
+ } else {
+ dprintf("unable to allocate memory for darwintrace_ignores");
+ }
+ }
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> /* darwintrace_setup must have been called already */
</span><span class="cx"> static inline void darwintrace_logpath(int fd, const char *procname, char *tag, const char *path) {
</span><ins>+ if (darwintrace_ignores) {
+ for (int i=0; i < 4; i++) {
+ if (darwintrace_ignores[i]
+ && strncmp(darwintrace_ignores[i], path, darwintrace_ignore_lens[i]) == 0) {
+ return;
+ }
+ }
+ }
</ins><span class="cx"> char darwintrace_buf[DARWINTRACE_BUFFER_SIZE];
</span><span class="cx"> int size = snprintf(darwintrace_buf, sizeof(darwintrace_buf),
</span><span class="cx"> "%s[%d]\t%s\t%s\n",
</span></span></pre>
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