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-rw-r--r--src/kernel/lib/std.cpp87
1 files changed, 84 insertions, 3 deletions
diff --git a/src/kernel/lib/std.cpp b/src/kernel/lib/std.cpp
index aa5f606..4407f55 100644
--- a/src/kernel/lib/std.cpp
+++ b/src/kernel/lib/std.cpp
@@ -5,8 +5,89 @@
int errno = 0;
void abort() {
- ke_vt->writeStr("\n\n ABORT - errno: ");
- ke_vt->writeDec(errno);
- ke_vt->writeStr("\n");
+ *ke_vt << "\n\n ABORT - errno: ";
+ *ke_vt << errno;
+ *ke_vt <<"\n";
PANIC("abort() called, probably a memory manager failure.");
}
+
+
+
+int strlen(const char *str) {
+ int i = 0;
+ while (str[i++]);
+ return i;
+}
+
+char *strchr(const char *str, char c) {
+ while (*str) {
+ if (*str == c) return (char*)str;
+ str++;
+ }
+ return NULL;
+}
+
+char *strcpy(char *dest, const char *src) {
+ memcpy(dest, src, strlen(src) + 1);
+ return (char*)src;
+}
+
+char *strdup(const char *src) {
+ char* ret = (char*)kmalloc(strlen(src) + 1);
+ if (ret == NULL) return ret;
+ strcpy(ret, src);
+ return ret;
+}
+
+char *strcat(char *dest, const char *src) {
+ char *dest2 = dest;
+ dest2 += strlen(dest) - 1;
+ while (*src) {
+ *dest2 = *src;
+ src++;
+ dest2++;
+ }
+ *dest2 = 0;
+ return dest;
+}
+
+int strcmp(const char *s1, const char *s2) {
+ while ((*s1) && (*s1 == *s2)) {
+ s1++;
+ s2++;
+ }
+ return (* (unsigned char*)s1 - *(unsigned char*)s2);
+}
+
+void *memcpy(void *vd, const void *vs, int count) {
+ uint8_t *dest = (uint8_t*)vd, *src = (uint8_t*)vs;
+ int f = count % 4, n = count / 4, i;
+ const uint32_t* s = (uint32_t*)src;
+ uint32_t* d = (uint32_t*)dest;
+ for (i = 0; i < n; i++) {
+ d[i] = s[i];
+ }
+ if (f != 0) {
+ for (i = count - f; i < count; i++) {
+ dest[i] = src[i];
+ }
+ }
+ return vd;
+}
+
+void *memset(void *dest, int val, int count) {
+ uint8_t *dest_c = (uint8_t*)dest;
+ int i;
+ for (i = 0; i < count; i++) {
+ dest_c[i] = val;
+ }
+ return dest;
+}
+
+uint16_t *memsetw(uint16_t *dest, uint16_t val, int count) {
+ int i;
+ for (i = 0; i < count; i++) {
+ dest[i] = val;
+ }
+ return dest;
+}