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ui.c: Allow global setting of string buffer size

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This commit is contained in:
d0k3 2016-06-10 15:36:38 +02:00
parent 0af6dfe463
commit c948a5a471
1 changed files with 13 additions and 16 deletions
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29
source/ui.c
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@ -11,6 +11,8 @@
#include "ui.h"
#include "hid.h"
#define STRBUF_SIZE 512 // maximum size of the string buffer
void ClearScreen(u8* screen, int color)
{
int width = (screen == TOP_SCREEN) ? SCREEN_WIDTH_TOP : SCREEN_WIDTH_BOT;
@ -74,11 +76,10 @@ void DrawString(u8* screen, const char *str, int x, int y, int color, int bgcolo
void DrawStringF(u8* screen, int x, int y, int color, int bgcolor, const char *format, ...)
{
char str[512] = { 0 }; // 512 should be more than enough
char str[STRBUF_SIZE] = { 0 };
va_list va;
va_start(va, format);
vsnprintf(str, 512, format, va);
vsnprintf(str, STRBUF_SIZE, format, va);
va_end(va);
for (char* text = strtok(str, "\n"); text != NULL; text = strtok(NULL, "\n"), y += 10)
@ -95,7 +96,7 @@ u32 GetDrawStringHeight(const char* str) {
u32 GetDrawStringWidth(char* str) {
u32 width = 0;
char* old_lf = str;
char* str_end = str + strnlen(str, 512);
char* str_end = str + strnlen(str, STRBUF_SIZE);
for (char* lf = strchr(str, '\n'); lf != NULL; lf = strchr(lf + 1, '\n')) {
if ((u32) (lf - old_lf) > width) width = lf - old_lf;
old_lf = lf;
@ -160,11 +161,10 @@ bool ShowPrompt(bool ask, const char *format, ...)
u32 x, y;
bool ret = true;
char str[512] = { 0 }; // 512 should be more than enough
char str[STRBUF_SIZE] = { 0 };
va_list va;
va_start(va, format);
vsnprintf(str, 512, format, va);
vsnprintf(str, STRBUF_SIZE, format, va);
va_end(va);
str_width = GetDrawStringWidth(str);
@ -213,11 +213,10 @@ bool ShowUnlockSequence(u32 seqlvl, const char *format, ...) {
u32 str_width, str_height;
u32 x, y;
char str[512] = { 0 }; // 512 should be more than enough
char str[STRBUF_SIZE] = { 0 };
va_list va;
va_start(va, format);
vsnprintf(str, 512, format, va);
vsnprintf(str, STRBUF_SIZE, format, va);
va_end(va);
str_width = GetDrawStringWidth(str);
@ -258,11 +257,10 @@ u32 ShowSelectPrompt(u32 n, const char** options, const char *format, ...) {
u32 x, y, yopt;
u32 sel = 0;
char str[512] = { 0 }; // 512 should be more than enough
char str[STRBUF_SIZE] = { 0 };
va_list va;
va_start(va, format);
vsnprintf(str, 512, format, va);
vsnprintf(str, STRBUF_SIZE, format, va);
va_end(va);
if (n == 0) return 0; // check for low number of options
@ -307,11 +305,10 @@ bool ShowInputPrompt(char* inputstr, u32 max_size, const char *format, ...) {
u32 str_width, str_height;
u32 x, y;
char str[512] = { 0 }; // 512 should be more than enough
char str[STRBUF_SIZE] = { 0 };
va_list va;
va_start(va, format);
vsnprintf(str, 512, format, va);
vsnprintf(str, STRBUF_SIZE, format, va);
va_end(va);
// check / fix up the inputstring if required