From 7553b7f9d4dddc2235c137d41de8ce22547bebe3 Mon Sep 17 00:00:00 2001 From: Camil Staps Date: Wed, 1 Jul 2015 17:36:37 +0200 Subject: Initial commit --- Linux_C_12/Clean.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Linux_C_12/Clean.h (limited to 'Linux_C_12/Clean.h') diff --git a/Linux_C_12/Clean.h b/Linux_C_12/Clean.h new file mode 100644 index 0000000..d92e1a0 --- /dev/null +++ b/Linux_C_12/Clean.h @@ -0,0 +1,28 @@ + +#define Clean(a) + +typedef struct clean_string *CleanString; + +/* a string in Clean is: + struct clean_string { + int clean_string_length; + char clean_string_characters[clean_string_length]; + }; + The string does not end with a '\0' ! +*/ + +/* CleanStringLength(clean_string) returns length of the clean_string in characters */ +#define CleanStringLength(clean_string) (*(unsigned int *)(clean_string)) + +/* CleanStringCharacters(clean_string) returns a pointer to the characters of the clean_string */ +#define CleanStringCharacters(clean_string) ((char*)(1+(unsigned int *)(clean_string))) + +/* CleanStringSizeInts(string_length) return size of CleanString in integers */ +#define CleanStringSizeInts(string_length) (1+(((unsigned int)(string_length)+3)>>2)) + +/* CleanStringVariable(clean_string,string_length) defines variable clean_string with length string_length, + before using the clean_string variable, cast to CleanString, except for the macros above */ +#define CleanStringVariable(clean_string,string_length) unsigned int clean_string[CleanStringSizeInts(string_length)] + +/* CleanStringSizeBytes(string_length) return size of CleanString in bytes */ +#define CleanStringSizeBytes(string_length) (4+(((unsigned int)(string_length)+3) & -4)) -- cgit v1.2.3