Mercurial > sos > sos
diff src/std.c @ 8:25b2b501a5fa
Cleaned up the stack operations
The stack operations now handle error checking correctly (and are no longer a
tangled mass of duplicated code)
atoi now will work correctly if there is a "+" symbol in front of the number
atof will no longer treat something like "aoe235.357" as ".357"
| author | Jonathan Pevarnek <pevarnj@gmail.com> |
|---|---|
| date | Wed, 09 Mar 2011 12:08:48 -0500 |
| parents | 348c59c36703 |
| children | 525eab23e68a |
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--- a/src/std.c Sun Mar 06 01:55:09 2011 -0500 +++ b/src/std.c Wed Mar 09 12:08:48 2011 -0500 @@ -53,12 +53,12 @@ int atoi(char *a) { - int neg = 0; + short neg = 0; int n = 0; if(*a == '-') { neg = 1; a++; - } + } else if(*a == '+') a++; while(*a >= '0' && *a <= '9') n = n*10 + (*a++ - '0'); if(neg) n *= -1; @@ -71,7 +71,7 @@ double x = 0; double dec = .1; while(*a != '.') { - if(*a == '\0') return n; + if(!(*a >= '0' && *a <= '9')) return n; a++; } a++; //a will be immediately after the decimal point while(*a >= '0' && *a <= '9') { //goes through the decimal part