Use a new isSpace() inline function to call isspace() safely

[rsync/rsync.git] / popt / popthelp.c

diff --git a/popt/popthelp.c b/popt/popthelp.c
index eb735ff..7056054 100644 (file)
--- a/popt/popthelp.c
+++ b/popt/popthelp.c
@@ -381,9 +381,9 @@ static void singleOptionHelp(FILE * fp, size_t maxLeftCol,
        char format[16];
 
        ch = help + lineLength - 1;
-       while (ch > help && !isspace(*ch)) ch--;
+       while (ch > help && !isSpace(ch)) ch--;
        if (ch == help) break;          /* give up */
-       while (ch > (help + 1) && isspace(*ch)) ch--;
+       while (ch > (help + 1) && isSpace(ch)) ch--;
        ch++;
 
        snprintf(format, sizeof format, "%%.%ds\n%%%ds", (int) (ch - help), (int) indentLength);
@@ -391,7 +391,7 @@ static void singleOptionHelp(FILE * fp, size_t maxLeftCol,
        fprintf(fp, format, help, " ");
        /*@=formatconst@*/
        help = ch;
-       while (isspace(*help) && *help) help++;
+       while (isSpace(help) && *help) help++;
        helpLength = strlen(help);
     }
 /*@=boundsread@*/