From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Fri, 18 Oct 2002 13:38:23 +0000 (+0000)
Subject: Fixed a problem with perror: The error code may get overwritten before it
X-Git-Tag: V2.12.0~2165
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=89fe03a728cc6e88e83b8d13aae6e7701de4b203;p=cc65

Fixed a problem with perror: The error code may get overwritten before it
can be output. Report from Greg King.


git-svn-id: svn://svn.cc65.org/cc65/trunk@1467 b7a2c559-68d2-44c3-8de9-860c34a00d81
---

diff --git a/libsrc/common/perror.c b/libsrc/common/perror.c
index 814152e29..afe4be996 100644
--- a/libsrc/common/perror.c
+++ b/libsrc/common/perror.c
@@ -13,11 +13,16 @@
 
 
 void perror (const char* msg)
-{			  
-    if (msg) {		      
-        fprintf (stderr, "%s: ", msg);
+{
+    /* Fetch the message that corresponds to errno */
+    const char* errormsg = strerror (errno);
+
+    /* Different output depending on msg */
+    if (msg) {
+        fprintf (stderr, "%s: %s\n", msg, errormsg);
+    } else {
+        fprintf (stderr, "%s\n", errormsg);
     }
-    fprintf (stderr, "%s\n", strerror (errno));
 }