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html: fix handling of null byte
A return value of `len` or more means that the output was truncated. Signed-off-by: Peter Prohaska <pitrp@web.de> Signed-off-by: Christian Hesse <mail@eworm.de>
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html.c
2
html.c
@ -59,7 +59,7 @@ char *fmt(const char *format, ...)
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va_start(args, format);
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len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args);
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va_end(args);
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if (len > sizeof(buf[bufidx])) {
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if (len >= sizeof(buf[bufidx])) {
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fprintf(stderr, "[html.c] string truncated: %s\n", format);
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exit(1);
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}
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