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| -rw-r--r-- | afb-helpers-utils.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/afb-helpers-utils.h b/afb-helpers-utils.h new file mode 100644 index 0000000..d180f08 --- /dev/null +++ b/afb-helpers-utils.h @@ -0,0 +1,17 @@ +#ifndef AFB_HELPERS_UTILS_H +#define AFB_HELPERS_UTILS_H + +#include <limits.h> + +#define xstr(s) str(s) +#define str(s) #s + +/* with gcc >= 7.2.0, this macro is useful when printing an int with snprintf: + * + * char[INT_STR_MAX]; // smaller value leads to a warning + * snprintf(targetS, sizeof (targetS), "%d", target); + * */ + +#define INT_STR_MAX sizeof(xstr(INT_MAX)) + +#endif /* AFB_HELPERS_UTILS_H */ |