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LibC: Implement strchrnul()

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This commit is contained in:
Shannon Booth 2020-02-15 10:58:36 +13:00 • committed by Andreas Kling
parent ba9313111f
commit a52b3e8f2a
2 changed files with 10 additions and 0 deletions
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9
Libraries/LibC/string.cpp
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@ -297,6 +297,15 @@ char* strchr(const char* str, int c)
} }
} }
char* strchrnul(const char* str, int c)
{
char ch = c;
for (;; ++str) {
if (*str == ch || !*str)
return const_cast<char*>(str);
}
}
void* memchr(const void* ptr, int c, size_t size) void* memchr(const void* ptr, int c, size_t size)
{ {
char ch = c; char ch = c;

1
Libraries/LibC/string.h
View file

@ -49,6 +49,7 @@ char* strndup(const char*, size_t);
char* strcpy(char* dest, const char* src); char* strcpy(char* dest, const char* src);
char* strncpy(char* dest, const char* src, size_t); char* strncpy(char* dest, const char* src, size_t);
char* strchr(const char*, int c); char* strchr(const char*, int c);
char* strchrnul(const char*, int c);
char* strstr(const char* haystack, const char* needle); char* strstr(const char* haystack, const char* needle);
char* strrchr(const char*, int c); char* strrchr(const char*, int c);
char* strcat(char* dest, const char* src); char* strcat(char* dest, const char* src);