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REVIEWED: TextJoin(), TextSubtext(), TextInsert*() - ROS: CLN-018

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Ray
2026-07-11 16:45:56 +02:00
parent cfe56d97ea
commit ebec978443
1 changed files with 11 additions and 9 deletions
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20
src/rtext.c
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@@ -1699,7 +1699,7 @@ const char *TextSubtext(const char *text, int position, int length)
static char buffer[MAX_TEXT_BUFFER_LENGTH] = { 0 };
memset(buffer, 0, MAX_TEXT_BUFFER_LENGTH);
if (text != NULL)
if ((text != NULL) && (position > 0) && (length > 0))
{
int textLength = TextLength(text);
@@ -1975,10 +1975,11 @@ char *TextInsert(const char *text, const char *insert, int position)
{
static char buffer[MAX_TEXT_BUFFER_LENGTH] = { 0 };
memset(buffer, 0, MAX_TEXT_BUFFER_LENGTH);
int textLen = TextLength(text);
if ((text != NULL) && (insert != NULL))
if ((text != NULL) && (insert != NULL) && (position >= 0))
{
int textLen = TextLength(text);
if (position > textLen) position = textLen; // End of text string
int insertLen = TextLength(insert);
if ((textLen + insertLen) < (MAX_TEXT_BUFFER_LENGTH - 1))
@@ -1987,7 +1988,7 @@ char *TextInsert(const char *text, const char *insert, int position)
for (int i = 0; i < position; i++) buffer[i] = text[i];
for (int i = position; i < insertLen + position; i++) buffer[i] = insert[i - position];
for (int i = (insertLen + position); i < (textLen + insertLen); i++) buffer[i] = text[i];
for (int i = (insertLen + position); i < (textLen + insertLen); i++) buffer[i] = text[i - insertLen];
buffer[textLen + insertLen] = '\0'; // Add EOL
}
@@ -2002,17 +2003,18 @@ char *TextInsert(const char *text, const char *insert, int position)
char *TextInsertAlloc(const char *text, const char *insert, int position)
{
char *result = NULL;
int textLen = TextLength(text);
if ((text != NULL) && (insert != NULL))
if ((text != NULL) && (insert != NULL) && (position >= 0))
{
int textLen = TextLength(text);
if (position > textLen) position = textLen; // End of text string
int insertLen = TextLength(insert);
result = (char *)RL_MALLOC(textLen + insertLen + 1);
for (int i = 0; i < position; i++) result[i] = text[i];
for (int i = position; i < insertLen + position; i++) result[i] = insert[i - position];
for (int i = (insertLen + position); i < (textLen + insertLen); i++) result[i] = text[i];
for (int i = position; i < (insertLen + position); i++) result[i] = insert[i - position];
for (int i = (insertLen + position); i < (textLen + insertLen + position); i++) result[i] = text[i - insertLen];
result[textLen + insertLen] = '\0'; // Add EOL
}
@@ -2036,7 +2038,7 @@ char *TextJoin(char **textList, int count, const char *delimiter)
int textLength = TextLength(textList[i]);
// Make sure joined text could fit inside MAX_TEXT_BUFFER_LENGTH
if ((totalLength + textLength) < MAX_TEXT_BUFFER_LENGTH)
if ((totalLength + textLength + delimiterLen) < MAX_TEXT_BUFFER_LENGTH)
{
memcpy(textPtr, textList[i], textLength);
totalLength += textLength;