MrMonopoly/raylib
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add check for replacement,replace strcpy,strncpy with memcpy

Browse Source
This commit is contained in:
ssszcmawo 2026-01-25 00:44:45 +01:00
parent afe74c1c70
commit 20b42b9f86
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/rtext.c
View File

@ -1727,7 +1727,6 @@ char *GetTextBetween(const char *text, const char *begin, const char *end)
// Replace text string
// REQUIRES: strstr(), strncpy()
// TODO: If (replacement == "") remove "search" text
// WARNING: Allocated memory must be manually freed
char *TextReplace(const char *text, const char *search, const char *replacement)
{
@ -1735,6 +1734,8 @@ char *TextReplace(const char *text, const char *search, const char *replacement)
if ((text != NULL) && (search != NULL))
{
if(replacement == NULL) replacement = "";
char *insertPoint = NULL; // Next insert point
char *temp = NULL; // Temp pointer
int textLen = 0; // Text string length
@ -1768,15 +1769,14 @@ char *TextReplace(const char *text, const char *search, const char *replacement)
insertPoint = (char *)strstr(text, search);
lastReplacePos = (int)(insertPoint - text);
// TODO: Review logic to avoid strcpy()
// OK - Those lines work
temp = strncpy(temp, text, lastReplacePos) + lastReplacePos;
temp = strcpy(temp, replacement) + replaceLen;
// WRONG - But not those ones
//temp = strncpy(temp, text, tempLen - 1) + lastReplacePos;
//tempLen -= lastReplacePos;
//temp = strncpy(temp, replacement, tempLen - 1) + replaceLen;
//tempLen -= replaceLen;
memcpy(temp,text,lastReplacePos);
temp += lastReplacePos;
if(replaceLen > 0)
{
memcpy(temp,replacement,replaceLen);
temp += replaceLen;
}
text += lastReplacePos + searchLen; // Move to next "end of replace"
}