X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fcommon%2Futils.c;h=0147c8c994d3cb89f7fa936633863e043cdd2221;hb=8e1ef46e89a86865736a62d2def88f70acb0be55;hp=17a313ee16f66efe8c574ddfddc8f94f156b9e11;hpb=cec6b2a556f6880230c326b07facbc3f673ee0c7;p=lttng-tools.git

diff --git a/src/common/utils.c b/src/common/utils.c
index 17a313ee1..0147c8c99 100644
--- a/src/common/utils.c
+++ b/src/common/utils.c
@@ -1014,7 +1014,7 @@ static inline unsigned int fls_u32(uint32_t x)
 #define HAS_FLS_U32
 #endif
 
-#if defined(__x86_64)
+#if defined(__x86_64) && defined(__LP64__)
 static inline
 unsigned int fls_u64(uint64_t x)
 {
@@ -1501,3 +1501,35 @@ int utils_get_memory_total(size_t *value)
 {
 	return read_proc_meminfo_field(PROC_MEMINFO_MEMTOTAL_LINE, value);
 }
+
+LTTNG_HIDDEN
+int utils_change_working_directory(const char *path)
+{
+	int ret;
+
+	assert(path);
+
+	DBG("Changing working directory to \"%s\"", path);
+	ret = chdir(path);
+	if (ret) {
+		PERROR("Failed to change working directory to \"%s\"", path);
+		goto end;
+	}
+
+	/* Check for write access */
+	if (access(path, W_OK)) {
+		if (errno == EACCES) {
+			/*
+			 * Do not treat this as an error since the permission
+			 * might change in the lifetime of the process
+			 */
+			DBG("Working directory \"%s\" is not writable", path);
+		} else {
+			PERROR("Failed to check if working directory \"%s\" is writable",
+					path);
+		}
+	}
+
+end:
+	return ret;
+}