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129 lines
4.9 KiB
129 lines
4.9 KiB
/* |
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Copyright (c) 2012, Broadcom Europe Ltd |
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All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions are met: |
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* Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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* Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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* Neither the name of the copyright holder nor the |
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names of its contributors may be used to endorse or promote products |
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derived from this software without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY |
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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/*============================================================================= |
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VideoCore OS Abstraction Layer - public header file |
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=============================================================================*/ |
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#ifndef VCOS_STRING_H |
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#define VCOS_STRING_H |
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/** |
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* \file |
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* |
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* String functions. |
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* |
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*/ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#include "interface/vcos/vcos_types.h" |
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#include "vcos.h" |
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#ifdef __KERNEL__ |
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#include <linux/string.h> |
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#else |
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#include <string.h> |
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#endif |
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/** Case insensitive string comparison. |
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* |
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*/ |
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VCOS_INLINE_DECL |
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int vcos_strcasecmp(const char *s1, const char *s2); |
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VCOS_INLINE_DECL |
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int vcos_strncasecmp(const char *s1, const char *s2, size_t n); |
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VCOSPRE_ int VCOSPOST_ vcos_vsnprintf(char *buf, size_t buflen, const char *fmt, va_list ap); |
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VCOSPRE_ int VCOSPOST_ vcos_snprintf(char *buf, size_t buflen, const char *fmt, ...); |
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/** Like vsnprintf, except it places the output at the specified offset. |
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* Output is truncated to fit in buflen bytes, and is guaranteed to be NUL-terminated. |
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* Returns the string length before/without truncation. |
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*/ |
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VCOSPRE_ size_t VCOSPOST_ vcos_safe_vsprintf(char *buf, size_t buflen, size_t offset, const char *fmt, va_list ap); |
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#define VCOS_SAFE_VSPRINTF(buf, offset, fmt, ap) \ |
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vcos_safe_vsprintf(buf, sizeof(buf) + ((char (*)[sizeof(buf)])buf - &(buf)), offset, fmt, ap) |
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/** Like snprintf, except it places the output at the specified offset. |
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* Output is truncated to fit in buflen bytes, and is guaranteed to be NUL-terminated. |
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* Returns the string length before/without truncation. |
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*/ |
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VCOSPRE_ size_t VCOSPOST_ vcos_safe_sprintf(char *buf, size_t buflen, size_t offset, const char *fmt, ...); |
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/* The Metaware compiler currently has a bug in its variadic macro handling which |
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causes it to append a spurious command to the end of its __VA_ARGS__ data. |
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Do not use until this has been fixed (and this comment has been deleted). */ |
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#define VCOS_SAFE_SPRINTF(buf, offset, ...) \ |
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vcos_safe_sprintf(buf, sizeof(buf) + ((char (*)[sizeof(buf)])buf - &(buf)), offset, __VA_ARGS__) |
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/** Copies string src to dst at the specified offset. |
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* Output is truncated to fit in dstlen bytes, i.e. the string is at most |
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* (buflen - 1) characters long. Unlike strncpy, exactly one NUL is written |
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* to dst, which is always NUL-terminated. |
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* Returns the string length before/without truncation. |
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*/ |
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VCOSPRE_ size_t VCOSPOST_ vcos_safe_strcpy(char *dst, const char *src, size_t dstlen, size_t offset); |
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#define VCOS_SAFE_STRCPY(dst, src, offset) \ |
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vcos_safe_strcpy(dst, src, sizeof(dst) + ((char (*)[sizeof(dst)])dst - &(dst)), offset) |
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VCOS_STATIC_INLINE |
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int vcos_strlen(const char *s) { return (int)strlen(s); } |
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VCOS_STATIC_INLINE |
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int vcos_strcmp(const char *s1, const char *s2) { return strcmp(s1,s2); } |
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VCOS_STATIC_INLINE |
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int vcos_strncmp(const char *cs, const char *ct, size_t count) { return strncmp(cs, ct, count); } |
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VCOS_STATIC_INLINE |
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char *vcos_strcpy(char *dst, const char *src) { return strcpy(dst, src); } |
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VCOS_STATIC_INLINE |
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char *vcos_strncpy(char *dst, const char *src, size_t count) { return strncpy(dst, src, count); } |
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VCOS_STATIC_INLINE |
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void *vcos_memcpy(void *dst, const void *src, size_t n) { memcpy(dst, src, n); return dst; } |
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VCOS_STATIC_INLINE |
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void *vcos_memset(void *p, int c, size_t n) { return memset(p, c, n); } |
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VCOS_STATIC_INLINE |
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int vcos_memcmp(const void *ptr1, const void *ptr2, size_t count) { return memcmp(ptr1, ptr2, count); } |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif
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