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authorLibravatar Connor E <38229097+c-edw@users.noreply.github.com>2019-01-16 09:57:51 +0000
committerLibravatar emersion <contact@emersion.fr>2019-01-16 13:02:26 +0100
commitde6f5b345380e80b4d59ebc569697683af064424 (patch)
tree2ba6738b30a3cdcbceb0d8307424217fca448252 /common/pango.c
parentRemove usage of VLAs. (diff)
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Use static arrays where possible.
Diffstat (limited to 'common/pango.c')
-rw-r--r--common/pango.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/common/pango.c b/common/pango.c
index 18b92e9d..db8413f7 100644
--- a/common/pango.c
+++ b/common/pango.c
@@ -10,8 +10,9 @@
10#include "log.h" 10#include "log.h"
11#include "stringop.h" 11#include "stringop.h"
12 12
13#define MAX_CHARS 16384
14
13static const char overflow[] = "[buffer overflow]"; 15static const char overflow[] = "[buffer overflow]";
14static const int max_chars = 16384;
15 16
16size_t escape_markup_text(const char *src, char *dest) { 17size_t escape_markup_text(const char *src, char *dest) {
17 size_t length = 0; 18 size_t length = 0;
@@ -87,11 +88,11 @@ PangoLayout *get_pango_layout(cairo_t *cairo, const char *font,
87 88
88void get_text_size(cairo_t *cairo, const char *font, int *width, int *height, 89void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
89 int *baseline, double scale, bool markup, const char *fmt, ...) { 90 int *baseline, double scale, bool markup, const char *fmt, ...) {
90 char *buf = malloc(sizeof(char) * max_chars); 91 char buf[MAX_CHARS];
91 92
92 va_list args; 93 va_list args;
93 va_start(args, fmt); 94 va_start(args, fmt);
94 if (vsnprintf(buf, sizeof(char) * max_chars, fmt, args) >= max_chars) { 95 if (vsnprintf(buf, sizeof(buf), fmt, args) >= MAX_CHARS) {
95 strcpy(&buf[sizeof(buf) - sizeof(overflow)], overflow); 96 strcpy(&buf[sizeof(buf) - sizeof(overflow)], overflow);
96 } 97 }
97 va_end(args); 98 va_end(args);
@@ -103,17 +104,15 @@ void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
103 *baseline = pango_layout_get_baseline(layout) / PANGO_SCALE; 104 *baseline = pango_layout_get_baseline(layout) / PANGO_SCALE;
104 } 105 }
105 g_object_unref(layout); 106 g_object_unref(layout);
106
107 free(buf);
108} 107}
109 108
110void pango_printf(cairo_t *cairo, const char *font, 109void pango_printf(cairo_t *cairo, const char *font,
111 double scale, bool markup, const char *fmt, ...) { 110 double scale, bool markup, const char *fmt, ...) {
112 char *buf = malloc(sizeof(char) * max_chars); 111 char buf[MAX_CHARS];
113 112
114 va_list args; 113 va_list args;
115 va_start(args, fmt); 114 va_start(args, fmt);
116 if (vsnprintf(buf, sizeof(char) * max_chars, fmt, args) >= max_chars) { 115 if (vsnprintf(buf, sizeof(buf), fmt, args) >= MAX_CHARS) {
117 strcpy(&buf[sizeof(buf) - sizeof(overflow)], overflow); 116 strcpy(&buf[sizeof(buf) - sizeof(overflow)], overflow);
118 } 117 }
119 va_end(args); 118 va_end(args);
@@ -126,6 +125,4 @@ void pango_printf(cairo_t *cairo, const char *font,
126 pango_cairo_update_layout(cairo, layout); 125 pango_cairo_update_layout(cairo, layout);
127 pango_cairo_show_layout(cairo, layout); 126 pango_cairo_show_layout(cairo, layout);
128 g_object_unref(layout); 127 g_object_unref(layout);
129
130 free(buf);
131} 128}