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The arguments passed to a printf-like function do not match the format string. Either the number of arguments is incorrect or the types of the arguments are incorrect.
| Class Name | Format String Type Error | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Significance | security | |||||||||||||||
| Mnemonic | MISC.FMTTYPE | |||||||||||||||
| Categories |
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| Availability | Available for C and C++. |
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| Enabling | Checks for this warning class are enabled by
default. To disable them, add the following WARNING_FILTER rule to the
project configuration file.
WARNING_FILTER += discard class="Format String Type Error" |
Japanese (ja)
#include <stdio.h>
void misc_fmttype(){
printf("%i", 5); /* ok: correct number and type of arguments */
printf("%i", 5.5); /* "Format String Type Error" warning issued here:
* format string specifies an integer but argument is a float. */
printf("%i", "5"); /* "Format String Type Error" warning issued here:
* format string specifies an integer but argument is a string. */
printf("%i%i", 5); /* "Format String Type Error" warning issued here:
* format string specifies two arguments but there is only one. */
printf("%i%i", 5, 5, 5); /* "Format String Type Error" warning issued here:
* format string specifies two arguments but there are three. */
}
The following configuration file parameters affect checks for this warning class.