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Use snprintf and a larger buffer for file size.

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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);