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| author | Eric Andersen <andersen@codepoet.org> | 2001-08-11 04:11:46 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2001-08-11 04:11:46 +0000 |
| commit | 9c0d25bc675620344cfa3304f81c93e7105a2220 (patch) | |
| tree | efc8339cc048bc8665e2e2e7922b775f1dcd8378 /libc/string | |
| parent | 246af1d52ea6e0ae2cd67b89bc5ab7c4e3e3303d (diff) | |
I rewrote strcat without any function calls.
Diffstat (limited to 'libc/string')
| -rw-r--r-- | libc/string/string.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libc/string/string.c b/libc/string/string.c index 4a367b561..d8b8e9f37 100644 --- a/libc/string/string.c +++ b/libc/string/string.c @@ -38,7 +38,15 @@ size_t strnlen (const char *string, size_t maxlen) #ifdef L_strcat char *strcat(char *dst, const char *src) { - strcpy(dst + strlen(dst), src); + register char *ptr = dst; + + while (*ptr) + ptr++; + + while (*src) + *ptr++ = *src++; + *ptr = '\0'; + return dst; } #endif |