48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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#ifndef _FAKELIBC_STRING_H
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#define _FAKELIBC_STRING_H
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#include <stddef.h>
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//size_t strlen(const char* foo);
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#define strlen fake_strlen
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static size_t fake_strlen(const char* foo) {
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if (foo == NULL) {
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return 0;
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} else {
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size_t i = 0;
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while (foo[i] != 0) i++;
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return i;
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}
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}
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char *strchr(const char* str, int chr);
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char *strrchr(const char* str, int chr);
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char* strcat(char* str, const char* cat);
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char* strcpy(char* buffer, const char* str);
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char* strncpy(char* buffer, const char* str, size_t n);
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const char* strpbrk(const char* str, const char* search);
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int strcmp(const char* a, const char* b);
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char* strdup(const char* str);
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char* strndup(const char* str, size_t n);
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//void* memcpy(void* dst, const void* src, size_t nbytes);
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#define memcpy fake_memcpy
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static void* fake_memcpy(void* dst, const void* src, size_t nbytes) {
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// TODO: This was only required because calling libc's version triggered errors, this probably isn't an issue now that more bugs have been fixed.
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//printf("fake_memcpy(%lx, %lx, %ld)\n", dst, src, nbytes);
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char* cdst = (char*) dst;
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const char* csrc = (char*) src;
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size_t i = 0;
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for (i = 0; i < nbytes; i++) {
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//printf("fake_memcpy %ld\n", i);
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cdst[i] = csrc[i];
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}
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//printf("fake_memcpy done!\n");
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return dst;
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}
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void* memset(void* mem, int byt, size_t nbytes);
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/* From ifndef at top of file: */
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#endif
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