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LibC: Add rindex() and index() APIs

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These POSIX APIs are defined as mapping directly to
`strrchr` and `strchr` respectively.

These are needed for the latest version of the stress-ng port,
and also give us better POSIX compliance.
This commit is contained in:
Brian Gianforcaro 2021-12-27 19:27:46 -08:00 • committed by Andreas Kling
parent c4b1e49036
commit fb8df01036
2 changed files with 15 additions and 0 deletions
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12
Userland/Libraries/LibC/string.cpp
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@ -227,6 +227,12 @@ char* strchr(const char* str, int c)
}
}
// https://pubs.opengroup.org/onlinepubs/9699959399/functions/index.html
char* index(const char* str, int c)
{
return strchr(str, c);
}
char* strchrnul(const char* str, int c)
{
char ch = c;
@ -260,6 +266,12 @@ char* strrchr(const char* str, int ch)
return last;
}
// https://pubs.opengroup.org/onlinepubs/9699959399/functions/rindex.html
char* rindex(const char* str, int ch)
{
return strrchr(str, ch);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/strcat.html
char* strcat(char* dest, const char* src)
{