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-rw-r--r--source/pdf/pdf-form.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/source/pdf/pdf-form.c b/source/pdf/pdf-form.c
index 2b48abec..a6ea16c3 100644
--- a/source/pdf/pdf-form.c
+++ b/source/pdf/pdf-form.c
@@ -137,7 +137,7 @@ static pdf_obj *find_field(pdf_obj *dict, char *name, int len)
field = pdf_array_get(dict, i);
part = pdf_to_str_buf(pdf_dict_gets(field, "T"));
- if (strlen(part) == len && !memcmp(part, name, len))
+ if (strlen(part) == (size_t)len && !memcmp(part, name, len))
return field;
}