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Fix improperly terminated region name check (#953)

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Eievui
2021-11-24 16:00:54 -05:00
committed by GitHub
parent 9d993d84e8
commit b7fe78cad8
1 changed files with 4 additions and 5 deletions
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9
src/link/main.c
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@@ -281,13 +281,12 @@ static void parseScrambleSpec(char const *spec)
// Now, determine which region type this is
enum ScrambledRegion region = 0;
while (region < SCRAMBLE_UNK) {
for (; region < SCRAMBLE_UNK; region++) {
// If the strings match (case-insensitively), we got it!
// It's OK not to use `strncasecmp` because `regionName` is still
// NUL-terminated, since the encompassing spec is.
if (!strcasecmp(scrambleSpecs[region].name, regionName))
// `strncasecmp` must be used here since `regionName` points
// to the entire remaining argument.
if (!strncasecmp(scrambleSpecs[region].name, regionName, regionNameLen))
break;
region++;
}
if (region == SCRAMBLE_UNK)