diff options
| author | Denis Vlasenko <vda.linux@googlemail.com> | 2008-12-19 13:51:38 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2008-12-19 13:51:38 +0000 |
| commit | 6c106c856412c027ff78a9661386b3a42a52cf36 (patch) | |
| tree | 7ad4c7fbe228eca31768ba355ebf0d933a406cfe /libc/string/i386/strnlen.c | |
| parent | 6232f9122d61ee11edca902d95e04144f9c5b3c1 (diff) | |
strncat: shorter version for i386, add small embedded test
memchr: add small embedded test
strnlen: make small embedded test easier to use
strncmp: reformat assembly to make it readable, no code changes
(verified with objdump)
text data bss dec hex filename
- 46 0 0 46 2e libc/string/i386/strncat.os
+ 39 0 0 39 27 libc/string/i386/strncat.os
Diffstat (limited to 'libc/string/i386/strnlen.c')
| -rw-r--r-- | libc/string/i386/strnlen.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/libc/string/i386/strnlen.c b/libc/string/i386/strnlen.c index 066a11ef7..d9bce6485 100644 --- a/libc/string/i386/strnlen.c +++ b/libc/string/i386/strnlen.c @@ -34,6 +34,8 @@ #ifdef __USE_GNU +#undef strnlen +//#define strnlen TESTING size_t strnlen(const char *s, size_t count) { int edx; @@ -51,20 +53,22 @@ size_t strnlen(const char *s, size_t count) ); return eax; } +#ifndef strnlen libc_hidden_def(strnlen) - -#if 0 +#else +/* Uncomment TESTING, gcc -D__USE_GNU -m32 -Os strnlen.c -o strnlen + * and run ./strnlen + */ int main() { - printf(strnlen2("abc\0def", -2) == 3 ? "ok\n" : "BAD!\n"); - printf(strnlen2("abc\0def", -1) == 3 ? "ok\n" : "BAD!\n"); - printf(strnlen2("abc\0def", 0) == 0 ? "ok\n" : "BAD!\n"); - printf(strnlen2("abc\0def", 1) == 1 ? "ok\n" : "BAD!\n"); - printf(strnlen2("abc\0def", 2) == 2 ? "ok\n" : "BAD!\n"); - printf(strnlen2("abc\0def", 3) == 3 ? "ok\n" : "BAD!\n"); - printf(strnlen2("abc\0def", 4) == 3 ? "ok\n" : "BAD!\n"); - printf(strnlen2("abc\0def", 5) == 3 ? "ok\n" : "BAD!\n"); - return 0; + printf(strnlen("abc\0def", -2) == 3 ? "ok\n" : "BAD!\n"); + printf(strnlen("abc\0def", -1) == 3 ? "ok\n" : "BAD!\n"); + printf(strnlen("abc\0def", 0) == 0 ? "ok\n" : "BAD!\n"); + printf(strnlen("abc\0def", 1) == 1 ? "ok\n" : "BAD!\n"); + printf(strnlen("abc\0def", 2) == 2 ? "ok\n" : "BAD!\n"); + printf(strnlen("abc\0def", 3) == 3 ? "ok\n" : "BAD!\n"); + printf(strnlen("abc\0def", 4) == 3 ? "ok\n" : "BAD!\n"); + printf(strnlen("abc\0def", 5) == 3 ? "ok\n" : "BAD!\n"); } #endif |