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Add missing Wasm shims required by tree-sitter-ruby

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This commit is contained in:
Sasha Koss 2025-12-22 08:53:58 +00:00
parent d046c97c1f
commit 134a768172
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5 changed files with 38 additions and 0 deletions
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18
crates/language/wasm/src/string.c
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@ -1,5 +1,13 @@
#include <string.h>
// Derived from musl (MIT): https://git.musl-libc.org/cgit/musl/tree/src/string/memchr.c
void *memchr(const void *src, int c, size_t n) {
const unsigned char *s = src;
c = (unsigned char)c;
for (; n && *s != c; s++, n--);
return n ? (void *)s : 0;
}
int memcmp(const void *lhs, const void *rhs, size_t count) {
const unsigned char *l = lhs;
const unsigned char *r = rhs;
@ -58,3 +66,13 @@ int strncmp(const char *left, const char *right, size_t n) {
}
return 0;
}
char *strchr(const char *str, int c) {
while (*str != (char)c) {
if (*str == '\0') {
return 0;
}
str++;
}
return (char *)str;
}