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author | groeck <groeck@7894878c-1315-0410-8ee3-d5d059ff63e0> | 2011-02-15 16:08:13 +0000 |
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committer | groeck <groeck@7894878c-1315-0410-8ee3-d5d059ff63e0> | 2011-02-15 16:08:13 +0000 |
commit | ca17d970787ff540813d8ba89831f223d0940551 (patch) | |
tree | 549c705da4538067024a4ea6b399c3bac1968fd1 /tools | |
parent | 87569d8046df580bf30d10482be98fc73874d1b9 (diff) | |
download | i2c-tools-ca17d970787ff540813d8ba89831f223d0940551.tar.gz |
i2cset: Check number of arguments for block data writes
git-svn-id: http://lm-sensors.org/svn/i2c-tools/trunk@5922 7894878c-1315-0410-8ee3-d5d059ff63e0
Diffstat (limited to 'tools')
-rw-r--r-- | tools/i2cset.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/i2cset.c b/tools/i2cset.c index e47c9d4..e835465 100644 --- a/tools/i2cset.c +++ b/tools/i2cset.c @@ -223,7 +223,11 @@ int main(int argc, char *argv[]) fprintf(stderr, "Error: PEC not supported for I2C block writes!\n"); help(); } - for (len = 0; len < (int)sizeof(block) && len + flags + 5 < argc; len++) { + if (argc > (int)sizeof(block) + flags + 5) { + fprintf(stderr, "Error: Too many arguments!\n"); + help(); + } + for (len = 0; len + flags + 5 < argc; len++) { value = strtol(argv[flags + len + 4], &end, 0); if (*end || value < 0 || value > 0xff) { fprintf(stderr, "Error: Block data value invalid!\n"); |