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Add fixes performance and static web server

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This commit is contained in:
Justine Tunney 2020-10-05 23:11:49 -07:00
parent b6793d42d5
commit c45e46f871
108 changed files with 2927 additions and 819 deletions
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18
libc/fmt/vsnprintf.c
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@ -25,17 +25,13 @@
struct SprintfStr {
char *p;
size_t i, n;
size_t i;
size_t n;
};
static int vsnprintfputchar(unsigned char c, struct SprintfStr *str) {
if (str->i < str->n) {
if (str->p) str->p[str->i] = c;
str->i++;
} else {
if (!IsTrustworthy() && str->i >= INT_MAX) abort();
str->i++;
}
if (str->i < str->n) str->p[str->i] = c;
str->i++;
return 0;
}
@ -48,15 +44,11 @@ static int vsnprintfputchar(unsigned char c, struct SprintfStr *str) {
* @return number of bytes written, excluding the NUL terminator; or,
* if the output buffer wasn't passed, or was too short, then the
* number of characters that *would* have been written is returned
* @throw EOVERFLOW when a formatted field exceeds its limit, which can
* be checked by setting errno to 0 before calling
* @see palandprintf() and printf() for detailed documentation
*/
int(vsnprintf)(char *buf, size_t size, const char *fmt, va_list va) {
struct SprintfStr str = {buf, 0, size};
palandprintf(vsnprintfputchar, &str, fmt, va);
if (str.p && str.n) {
str.p[min(str.i, str.n - 1)] = '\0';
}
if (str.n) str.p[min(str.i, str.n - 1)] = '\0';
return str.i;
}