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Use snprintf and a larger buffer for file size. 

In practice it would likely never overflow, but if you happen to have an implausible large demo in folder it could.
This commit is contained in:
Daniel Svensson 2023-12-22 10:58:37 +01:00
parent 3672234c24
commit 317ca00298
1 changed files with 5 additions and 5 deletions
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10
fteqtv/qw.c
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@ -2728,7 +2728,7 @@ I've removed the following from this function as it covered the menu (~Moodles):
else if (!strcmp(command, "guidemos"))
{
int maxshowndemos;
char sizestr[7];
char sizestr[11];
int start;
int i;
@ -2776,13 +2776,13 @@ I've removed the following from this function as it covered the menu (~Moodles):
if (i >= cluster->availdemoscount)
break;
if (cluster->availdemos[i].size < 1024)
sprintf(sizestr, "%4ib", cluster->availdemos[i].size);
snprintf(sizestr, sizeof(sizestr), "%4ib", cluster->availdemos[i].size);
else if (cluster->availdemos[i].size < 1024*1024)
sprintf(sizestr, "%4ikb", cluster->availdemos[i].size/1024);
snprintf(sizestr, sizeof(sizestr), "%4ikb", cluster->availdemos[i].size/1024);
else if (cluster->availdemos[i].size < 1024*1024*1024)
sprintf(sizestr, "%4imb", cluster->availdemos[i].size/(1024*1024));
snprintf(sizestr, sizeof(sizestr), "%4imb", cluster->availdemos[i].size/(1024*1024));
else// if (cluster->availdemos[i].size < 1024*1024*1024*1024)
sprintf(sizestr, "%4igb", cluster->availdemos[i].size/(1024*1024*1024));
snprintf(sizestr, sizeof(sizestr), "%4igb", cluster->availdemos[i].size/(1024*1024*1024));
// else
// *sizestr = 0;
QW_StuffcmdToViewer(v, "menutext 32 %i \"%6s %-30s\" \"demo %s\"\n", (i-start)*8 + 52+16, sizestr, cluster->availdemos[i].name, cluster->availdemos[i].name);