From: Martin Quinson <martin.quinson@loria.fr>
Date: Sat, 19 Sep 2015 22:25:00 +0000 (+0200)
Subject: [MSVC] convert unsigned to signed before applying unary minus
X-Git-Tag: v3_12~171
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/9be91a57320f0578db6fcba810c095a49c2475c2

[MSVC] convert unsigned to signed before applying unary minus

This should avoid the following:
  warning C4146: unary minus operator applied to unsigned type,
                 result still unsigned
---

diff --git a/src/xbt/xbt_log_appender_file.c b/src/xbt/xbt_log_appender_file.c
index d06d9b9d00..53427762ef 100644
--- a/src/xbt/xbt_log_appender_file.c
+++ b/src/xbt/xbt_log_appender_file.c
@@ -105,7 +105,7 @@ static void append2_file(xbt_log_appender_t this_, char *str) {
    fputs(str, d->file);
    if(d->count<0){
           fputs(APPEND2_END_TOKEN,d->file);
-          fseek(d->file,-strlen(APPEND2_END_TOKEN),SEEK_CUR);
+          fseek(d->file,-((signed long)strlen(APPEND2_END_TOKEN)),SEEK_CUR);
    }
 }