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-rw-r--r--src/c/urweb.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/c/urweb.c b/src/c/urweb.c
index 40cd18d2..45871a47 100644
--- a/src/c/urweb.c
+++ b/src/c/urweb.c
@@ -2230,7 +2230,7 @@ uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
*s2++ = '\\';
break;
default:
- if (isprint(c))
+ if (isprint((int)c))
*s2++ = c;
else if (uw_Estrings) {
sprintf(s2, "\\%03o", c);
@@ -2273,7 +2273,7 @@ uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
*s2++ = '\\';
break;
default:
- if (isprint(c))
+ if (isprint((int)c))
*s2++ = c;
else if (uw_Estrings) {
sprintf(s2, "\\%03o", c);
@@ -2321,7 +2321,7 @@ uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
*s2++ = '\\';
break;
default:
- if (isprint(c))
+ if (isprint((int)c))
*s2++ = c;
else if (uw_Estrings) {
sprintf(s2, "\\\\%03o", c);