FreeCalypso > hg > freecalypso-tools
comparison target-utils/libc/strncmp.c @ 87:7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Fri, 28 Oct 2016 22:20:26 +0000 |
| parents | |
| children |
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| 86:684eddecbc62 | 87:7fb62fc724dc |
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| 1 /* | |
| 2 * Compare strings (at most n bytes): s1>s2: >0 s1==s2: 0 s1<s2: <0 | |
| 3 */ | |
| 4 | |
| 5 strncmp(s1, s2, n) | |
| 6 register char *s1, *s2; | |
| 7 register n; | |
| 8 { | |
| 9 while (--n >= 0 && *s1 == *s2++) | |
| 10 if (*s1++ == '\0') | |
| 11 return(0); | |
| 12 return(n<0 ? 0 : *s1 - *--s2); | |
| 13 } |