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Truncate message, append buffer overflow message if too long.

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Increase buffer size, remove macros.

Make variables lowercase.

Some more feedback.
This commit is contained in:
Connor E 2018-10-16 19:05:41 +01:00
parent 113751ea48
commit cfc533aa9c
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 "log.h"
#include "stringop.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 escape_markup_text(const char *src, char *dest) {
size_t length = 0; size_t length = 0;
if (dest) { 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, void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
int *baseline, double scale, bool markup, const char *fmt, ...) { int *baseline, double scale, bool markup, const char *fmt, ...) {
static char buf[2048]; char buf[max_chars];
va_list args; va_list args;
va_start(args, fmt); va_start(args, fmt);
if (vsnprintf(buf, 2048, fmt, args) >= 2048) { if (vsnprintf(buf, sizeof(buf), fmt, args) >= max_chars) {
strcpy(buf, "[buffer overflow]"); strcpy(&buf[sizeof(buf) - sizeof(overflow)], overflow);
} }
va_end(args); 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, void pango_printf(cairo_t *cairo, const char *font,
double scale, bool markup, const char *fmt, ...) { double scale, bool markup, const char *fmt, ...) {
static char buf[2048]; char buf[max_chars];
va_list args; va_list args;
va_start(args, fmt); va_start(args, fmt);
if (vsnprintf(buf, 2048, fmt, args) >= 2048) { if (vsnprintf(buf, sizeof(buf), fmt, args) >= max_chars) {
strcpy(buf, "[buffer overflow]"); strcpy(&buf[sizeof(buf) - sizeof(overflow)], overflow);
} }
va_end(args); va_end(args);