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Code Issues Releases Wiki Activity

Add safe_strncpy function

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safe_strncpy is similar to strncpy, but makes sure buffer is
null-terminated. Update most of project to use this updated function to
prevent illegal memory accesses.
This commit is contained in:
Michał Janiszewski
2015-10-30 15:18:29 +01:00
parent 653c2b2701
commit 9284930d7e
41 changed files with 208 additions and 160 deletions
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7
src/network/twitch.cpp
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@@ -22,6 +22,7 @@ extern "C" {
#include "../management/news_item.h"
#include "../peep/peep.h"
#include "../world/sprite.h"
#include "../util/util.h"
#include "http.h"
#include "twitch.h"
@@ -406,14 +407,14 @@ static void twitch_parse_chat_message(const char *message)
message++;
ch = strchrm(message, " \t");
strncpy(buffer, message, ch - message);
safe_strncpy(buffer, message, ch - message);
buffer[ch - message] = 0;
if (_strcmpi(buffer, "news") == 0) {
if (gConfigTwitch.enable_news) {
ch = strskipwhitespace(ch);
buffer[0] = (char)FORMAT_TOPAZ;
strncpy(buffer + 1, ch, sizeof(buffer) - 2);
safe_strncpy(buffer + 1, ch, sizeof(buffer) - 2);
buffer[sizeof(buffer) - 2] = 0;
// Remove unsupport characters
@@ -432,4 +433,4 @@ static void twitch_parse_chat_message(const char *message)
}
}
#endif
#endif