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Fix free of buffer which was not allocated

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Coverity bug report: CID 1270420 "Free of address-of expression"

Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2015-11-24 17:45:00 +01:00
parent 198ee0a820
commit 6f1142080a
1 changed files with 7 additions and 2 deletions
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9
classify/clusttool.cpp
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@ -279,17 +279,22 @@ PROTOSTYLE ReadProtoStyle(FILE *File) {
* @note History: 6/6/89, DSJ, Created.
*/
FLOAT32* ReadNFloats(FILE * File, uinT16 N, FLOAT32 Buffer[]) {
bool needs_free = false;
int i;
int NumFloatsRead;
if (Buffer == NULL)
if (Buffer == NULL) {
Buffer = reinterpret_cast<FLOAT32*>(Emalloc(N * sizeof(FLOAT32)));
needs_free = true;
}
for (i = 0; i < N; i++) {
NumFloatsRead = tfscanf(File, "%f", &(Buffer[i]));
if (NumFloatsRead != 1) {
if ((NumFloatsRead == EOF) && (i == 0)) {
Efree(Buffer);
if (needs_free) {
Efree(Buffer);
}
return NULL;
} else {
DoError(ILLEGALFLOAT, "Illegal float specification");