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@ -10,6 +10,9 @@
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#include "log.h"
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#include "stringop.h"
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static const char *overflow = "[buffer overflow]";
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static const int max_chars = 16384;
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size_t escape_markup_text(const char *src, char *dest) {
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size_t length = 0;
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if (dest) {
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@ -84,12 +87,12 @@ PangoLayout *get_pango_layout(cairo_t *cairo, const char *font,
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void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
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int *baseline, double scale, bool markup, const char *fmt, ...) {
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static char buf[2048];
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char buf[max_chars];
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va_list args;
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va_start(args, fmt);
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if (vsnprintf(buf, 2048, fmt, args) >= 2048) {
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strcpy(buf, "[buffer overflow]");
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if (vsnprintf(buf, sizeof(buf), fmt, args) >= max_chars) {
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strcpy(&buf[sizeof(buf) - sizeof(overflow)], overflow);
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}
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va_end(args);
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@ -104,12 +107,12 @@ void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
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void pango_printf(cairo_t *cairo, const char *font,
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double scale, bool markup, const char *fmt, ...) {
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static char buf[2048];
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char buf[max_chars];
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va_list args;
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va_start(args, fmt);
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if (vsnprintf(buf, 2048, fmt, args) >= 2048) {
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strcpy(buf, "[buffer overflow]");
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if (vsnprintf(buf, sizeof(buf), fmt, args) >= max_chars) {
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strcpy(&buf[sizeof(buf) - sizeof(overflow)], overflow);
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}
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va_end(args);
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