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REVIEWED: IsFileExtension()

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Ray
2025-08-13 10:43:33 +02:00
parent 8c7b3b7323
commit 74339d2008
1 changed files with 10 additions and 6 deletions
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16
src/rcore.c
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@@ -1949,12 +1949,15 @@ bool IsFileExtension(const char *fileName, const char *ext)
bool result = false;
const char *fileExt = GetFileExtension(fileName);
// WARNING: fileExt points to last '.' on fileName string but it could happen
// that fileName is not correct: "myfile.png more text following\n"
if (fileExt != NULL)
{
int fileExtLen = strlen(fileExt);
char fileExtLower[8] = { 0 };
int fileExtLen = (int)strlen(fileExt);
char fileExtLower[16] = { 0 };
char *fileExtLowerPtr = fileExtLower;
for (int i = 0; i < fileExtLen; i++)
for (int i = 0; (i < fileExtLen) && (i < 16); i++)
{
// Copy and convert to lower-case
if ((fileExt[i] >= 'A') && (fileExt[i] <= 'Z')) fileExtLower[i] = fileExt[i] + 32;
@@ -1962,7 +1965,7 @@ bool IsFileExtension(const char *fileName, const char *ext)
}
int extCount = 1;
int extLen = strlen(ext);
int extLen = (int)strlen(ext);
char *extList = (char *)RL_CALLOC(extLen + 1, 1);
char *extListPtrs[MAX_FILE_EXTENSIONS] = { 0 };
strcpy(extList, ext);
@@ -2047,11 +2050,12 @@ int GetFileLength(const char *fileName)
}
// Get pointer to extension for a filename string (includes the dot: .png)
// WARNING: We just get the ptr but not the extension as a separate string
const char *GetFileExtension(const char *fileName)
{
const char *dot = strrchr(fileName, '.');
const char *dot = strrchr(fileName, '.');
if (!dot || dot == fileName) return NULL;
if (!dot || (dot == fileName)) return NULL;
return dot;
}