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Merge pull request #2843 from c-edw/feature/2842_TruncateMessage 

swaynag: Truncate message to 2048 chars.
This commit is contained in:
Brian Ashworth 2018-10-16 21:39:37 -04:00 committed by GitHub
parent fa2d2c8559 3a5a8aa5ad
commit 434cbaabf0
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 6 deletions
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15
common/pango.c
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@ -10,6 +10,9 @@
#include "log.h"
#include "stringop.h"
static const char *overflow = "[buffer overflow]";
static const int max_chars = 16384;
size_t escape_markup_text(const char *src, char *dest) {
size_t length = 0;
if (dest) {
@ -84,12 +87,12 @@ PangoLayout *get_pango_layout(cairo_t *cairo, const char *font,
void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
int *baseline, double scale, bool markup, const char *fmt, ...) {
static char buf[2048];
char buf[max_chars];
va_list args;
va_start(args, fmt);
if (vsnprintf(buf, 2048, fmt, args) >= 2048) {
strcpy(buf, "[buffer overflow]");
if (vsnprintf(buf, sizeof(buf), fmt, args) >= max_chars) {
strcpy(&buf[sizeof(buf) - sizeof(overflow)], overflow);
}
va_end(args);
@ -104,12 +107,12 @@ void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
void pango_printf(cairo_t *cairo, const char *font,
double scale, bool markup, const char *fmt, ...) {
static char buf[2048];
char buf[max_chars];
va_list args;
va_start(args, fmt);
if (vsnprintf(buf, 2048, fmt, args) >= 2048) {
strcpy(buf, "[buffer overflow]");
if (vsnprintf(buf, sizeof(buf), fmt, args) >= max_chars) {
strcpy(&buf[sizeof(buf) - sizeof(overflow)], overflow);
}
va_end(args);