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BASE: Check return value from strtol in DO_OPTION_INT macro

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Julien 2011-06-04 07:00:24 +08:00 committed by Julien
parent c52cc84912
commit 979fc29be6
1 changed files with 3 additions and 2 deletions
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5
base/commandLine.cpp
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@ -267,8 +267,9 @@ void registerDefaults() {
#define DO_OPTION_INT(shortCmd, longCmd) \
DO_OPTION(shortCmd, longCmd) \
char *endptr = 0; \
strtol(option, &endptr, 0); \
if (endptr == NULL || *endptr != 0) usage("--%s: Invalid number '%s'", longCmd, option);
long int retval = strtol(option, &endptr, 0); \
if (endptr == NULL || *endptr != 0 || retval == 0 || retval == LONG_MAX || retval == LONG_MIN || errno == ERANGE) \
usage("--%s: Invalid number '%s'", longCmd, option);
// Use this for boolean options; this distinguishes between "-x" and "-X",
// resp. between "--some-option" and "--no-some-option".