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Make minor improvements

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This commit is contained in:
Justine Tunney 2020-12-23 23:42:56 -08:00
parent 04caf6f9ad
commit 95b142e4e5
95 changed files with 3818 additions and 2760 deletions
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4
libc/str/hextoint.c
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@ -19,6 +19,10 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/str/str.h"
/**
* Converts ASCII hexadecimal character to integer case-insensitively.
* @return integer or 0 if c ∉ [0-9A-Fa-f]
*/
int hextoint(int c) {
if ('0' <= c && c <= '9') {
return c - '0';