Mercurial > flash_v2
diff packages/redboot/current/src/misc_funs.c @ 115:6ed91473a1cd ecos-sw-2000-08-21
Merge from eCos master repository on 2000-08-21-22:40:54-BST
| author | jlarmour |
|---|---|
| date | Fri, 25 Aug 2000 17:32:38 +0000 |
| parents | |
| children | eb9fd8c04db3 |
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new file mode 100644 --- /dev/null +++ b/packages/redboot/current/src/misc_funs.c @@ -0,0 +1,142 @@ +//========================================================================== +// +// misc_funs.c +// +// Miscellaneous [library] functions for RedBoot +// +//========================================================================== +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Red Hat eCos Public License +// Version 1.1 (the "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://www.redhat.com/ +// +// Software distributed under the License is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Configurable Operating System, +// released September 30, 1998. +// +// The Initial Developer of the Original Code is Red Hat. +// Portions created by Red Hat are +// Copyright (C) 1998, 1999, 2000 Red Hat, Inc. +// All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): gthomas +// Contributors: gthomas +// Date: 2000-07-14 +// Purpose: +// Description: +// +// This code is part of RedBoot (tm). +// +//####DESCRIPTIONEND#### +// +//========================================================================== + +#include <redboot.h> + +int +strlen(const char *s) +{ + int len = 0; + while (*s++) len++; + return len; +} + +int +strcmp(const char *s1, const char *s2) +{ + char c1, c2; + + while ((c1 = *s1++) == (c2 = *s2++)) + if (c1 == 0) + return (0); + return ((unsigned char)c1 - (unsigned char)c2); +} + +void +strcpy(char *s1, const char *s2) +{ + char c; + + while ((c = *s2++) != '\0') + *s1++ = c; + *s1 = '\0'; +} + +int +strcmpci(const char *s1, const char *s2) +{ + char c1, c2; + while ((c1 = tolower(*s1++)) == (c2 = tolower(*s2++))) + if (c1 == 0) + return (0); + return ((unsigned char)c1 - (unsigned char)c2); +} + +int +strncmp(const char *s1, const char *s2, int len) +{ + char c1, c2; + + if (len == 0) + return 0; + do { + if ((c1 = *s1++) != (c2 = *s2++)) + return ((unsigned char)c1 - (unsigned char)c2); + if (c1 == 0) + break; + } while (--len != 0); + return 0; +} + +int +strncmpci(const char *s1, const char *s2, int len) +{ + char c1, c2; + + if (len == 0) + return 0; + do { + if ((c1 = tolower(*s1++)) != (c2 = tolower(*s2++))) + return ((unsigned char)c1 - (unsigned char)c2); + if (c1 == 0) + break; + } while (--len != 0); + return 0; +} + +void +memmove(unsigned char *dst, unsigned char *src, int len) +{ + while (len-- > 0) *dst++ = *src++; +} + +int +memcmp(const unsigned char *dst, const unsigned char *src, int len) +{ + while (len-- > 0) { + if (*dst++ != *src++) { + return (*--dst - *--src); + } + } + return 0; +} + +void +memset(unsigned char *dst, unsigned char val, int len) +{ + while (--len >= 0) { + *dst++ = val; + } +}
