Fix use of isspace() function.

[gnulib.git] / lib / trim.c

diff --git a/lib/trim.c b/lib/trim.c
index 6a71578..3813ca8 100644 (file)
--- a/lib/trim.c
+++ b/lib/trim.c
@@ -113,7 +113,7 @@ trim2(const char *s, int how)
       
       /* Trim leading whitespaces. */
       if (how != TRIM_TRAILING) {
-       for (p = d; *p && isspace (*p); p++)
+       for (p = d; *p && isspace ((unsigned char) *p); p++)
          ;                     
 
        memmove (d, p, strlen (p) + 1);
@@ -121,7 +121,7 @@ trim2(const char *s, int how)
 
       /* Trim trailing whitespaces. */
       if (how != TRIM_LEADING) {
-       for (p = d + strlen (d) - 1; p >= d && isspace (*p); p--)
+       for (p = d + strlen (d) - 1; p >= d && isspace ((unsigned char) *p); p--)
          *p = '\0';
       }
     }