projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 5f522de8 C |
1 | /* lexnequ.c - Compare two strings ignoring case upto n octets */ |
| 2 | ||
| 3 | #ifndef lint | |
| 4 | static char *rcsid = "$Header: /f/osi/compat/RCS/lexnequ.c,v 7.1 91/02/22 09:15:26 mrose Interim $"; | |
| 5 | #endif | |
| 6 | ||
| 7 | /* | |
| 8 | * $Header: /f/osi/compat/RCS/lexnequ.c,v 7.1 91/02/22 09:15:26 mrose Interim $ | |
| 9 | * | |
| 10 | * | |
| 11 | * $Log: lexnequ.c,v $ | |
| 12 | * Revision 7.1 91/02/22 09:15:26 mrose | |
| 13 | * Interim 6.8 | |
| 14 | * | |
| 15 | * Revision 7.0 89/11/23 21:23:13 mrose | |
| 16 | * Release 6.0 | |
| 17 | * | |
| 18 | */ | |
| 19 | ||
| 20 | /* | |
| 21 | * NOTICE | |
| 22 | * | |
| 23 | * Acquisition, use, and distribution of this module and related | |
| 24 | * materials are subject to the restrictions of a license agreement. | |
| 25 | * Consult the Preface in the User's Manual for the full terms of | |
| 26 | * this agreement. | |
| 27 | * | |
| 28 | */ | |
| 29 | ||
| 30 | ||
| 31 | /* LINTLIBRARY */ | |
| 32 | ||
| 33 | #include <stdio.h> | |
| 34 | #include "general.h" | |
| 35 | ||
| 36 | /* \f */ | |
| 37 | ||
| 38 | lexnequ (str1, str2, len) | |
| 39 | register char *str1, | |
| 40 | *str2; | |
| 41 | int len; | |
| 42 | { | |
| 43 | register int count = 1; | |
| 44 | ||
| 45 | if (str1 == NULL) | |
| 46 | if (str2 == NULL) | |
| 47 | return (0); | |
| 48 | else | |
| 49 | return (1); | |
| 50 | ||
| 51 | if (str2 == NULL) | |
| 52 | return (-1); | |
| 53 | ||
| 54 | while (chrcnv[*str1] == chrcnv[*str2++]) { | |
| 55 | if (count++ >= len) | |
| 56 | return (0); | |
| 57 | if (*str1++ == NULL) | |
| 58 | return (0); | |
| 59 | } | |
| 60 | ||
| 61 | str2--; | |
| 62 | if (chrcnv[*str1] > chrcnv[*str2]) | |
| 63 | return (1); | |
| 64 | else | |
| 65 | return (-1); | |
| 66 | } |