check for failues for hex_encode, cid#159
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24151 ec53bebd-3082-4978-b11e-865c3cabbd6b
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@@ -1447,11 +1447,13 @@ hxtool_hex(struct hex_options *opt, int argc, char **argv)
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errx(1, "fwrite failed");
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}
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} else {
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char buf[28], *p;
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size_t len;
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char buf[28], *p;
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ssize_t len;
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while((len = fread(buf, 1, sizeof(buf), stdin)) != 0) {
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len = hex_encode(buf, len, &p);
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if (len < 0)
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continue;
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fprintf(stdout, "%s\n", p);
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free(p);
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}
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