From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Sat, 19 Apr 2008 17:55:32 +0000 (+0000)
Subject: - handle failure of getpwuid() more gracefully
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=06fc4c9dd220fd3a30adce4ef639efd50186cdf8;p=libfirm

- handle failure of getpwuid() more gracefully

[r19335]
---

diff --git a/ir/libcore/lc_opts.c b/ir/libcore/lc_opts.c
index ff472c690..757dde8a0 100644
--- a/ir/libcore/lc_opts.c
+++ b/ir/libcore/lc_opts.c
@@ -911,11 +911,19 @@ void lc_opts_init(const char *ini_name, lc_opt_entry_t *root, const char *arg_pr
 	strncpy(home_dir_ini_file, local_ini_file, sizeof(home_dir_ini_file));
 	home_dir_ini_file[sizeof(home_dir_ini_file) - 1] = '\0';
 #else
-	strcpy(path, getpwuid(getuid())->pw_dir);
-	strncat(path, "/", sizeof(path));
-	/* .<cmnt>rc */
-	snprintf(home_dir_ini_file, sizeof(home_dir_ini_file), ".%src", ini_name);
-	home_dir_ini_file[sizeof(home_dir_ini_file) - 1] = '\0';
+	{
+		struct passwd *entry = getpwuid(getuid());
+		if (entry != NULL) {
+			strcpy(path, entry->pw_dir);
+			strncat(path, "/", sizeof(path));
+			/* .<cmnt>rc */
+			snprintf(home_dir_ini_file, sizeof(home_dir_ini_file), ".%src", ini_name);
+			home_dir_ini_file[sizeof(home_dir_ini_file) - 1] = '\0';
+		} else {
+			/* FIXME: some error occured */
+			home_dir_ini_file[0] = '\0';'
+		}
+	}
 #endif
 
 	strncat(path, home_dir_ini_file, sizeof(path));