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check for get file size err before trying to alloc mem in loadUnicodeTable

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This commit is contained in:
Brian Rasmusson
2016-10-02 20:13:15 +02:00
parent 526eedcb6e
commit b54e979a56
1 changed files with 8 additions and 3 deletions

11
UnicodeProperties.cpp

@ -118,11 +118,16 @@ bool loadUnicodeTable(UCPropTable *table, const char *filename, bool useChecksum
FILE *fp = fopen(filename, "r");
if (!fp) {
log( LOG_WARN, "uni: Couldn't open %s for reading", filename );
log(LOG_WARN, "Couldn't open [%s] for reading", filename );
return false;
}
fseek(fp,0,SEEK_END);
size_t fileSize = ftell(fp);
long fileSize = ftell(fp);
if( fileSize < 0 ) {
fclose(fp);
log(LOG_WARN, "Getting size of [%s] failed", filename);
return false;
}
rewind(fp);
char *buf = (char*)mmalloc(fileSize, "Unicode");
if (!buf) {
@ -131,7 +136,7 @@ bool loadUnicodeTable(UCPropTable *table, const char *filename, bool useChecksum
return false;
}
size_t nread = fread(buf, 1, fileSize, fp);
if (nread != fileSize) {
if (nread != (size_t)fileSize) {
fclose(fp);
mfree(buf, fileSize, "Unicode");
log(LOG_WARN, "uni: error reading %s", filename);