mirror of
https://github.com/EnderIce2/Fennix.git
synced 2025-05-28 15:34:31 +00:00
feat(userspace/libc): complete <string.h> implementation
Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
parent
2ae18af9a0
commit
4bb8ce6d00
@ -19,6 +19,8 @@
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#include <string.h>
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#include <fennix/syscalls.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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export void *memccpy(void *restrict s1, const void *restrict s2, int c, size_t n)
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{
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@ -145,15 +147,17 @@ export char *stpcpy(char *restrict s1, const char *restrict s2)
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export char *stpncpy(char *restrict s1, const char *restrict s2, size_t n)
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{
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char *dest = s1;
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while (n && (*dest++ = *s2++))
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n--;
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if (n)
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while (--n)
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*dest++ = '\0';
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return dest - 1;
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for (int i = 0; i < n; ++i)
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{
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char buf = s2[i];
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s1[i] = buf;
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if (buf != '\0')
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continue;
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for (int j = i + 1; j < n; ++j)
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s1[j] = '\0';
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return s1 + i;
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}
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return s1 + n;
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}
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export char *strcat(char *restrict s1, const char *restrict s2)
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@ -239,172 +243,173 @@ export char *strdup(const char *s)
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return new_str;
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}
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export char *strerror(int errnum)
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{
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static char unknown_error[32];
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switch (errnum)
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{
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case 0:
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return "No error";
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case E2BIG:
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return "Argument list too long";
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case EACCES:
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return "Permission denied";
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case EADDRINUSE:
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return "Address in use";
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case EADDRNOTAVAIL:
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return "Address not available";
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case EAFNOSUPPORT:
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return "Address family not supported";
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case EAGAIN:
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return "Resource temporarily unavailable";
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case EALREADY:
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return "Connection already in progress";
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case EBADF:
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return "Bad file descriptor";
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case EBADMSG:
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return "Bad message";
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case EBUSY:
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return "Resource busy";
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case ECANCELED:
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return "Operation canceled";
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case ECHILD:
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return "No child process";
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case ECONNABORTED:
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return "Connection aborted";
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case ECONNREFUSED:
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return "Connection refused";
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case ECONNRESET:
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return "Connection reset";
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case EDEADLK:
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return "Resource deadlock would occur";
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case EDESTADDRREQ:
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return "Destination address required";
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case EDOM:
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return "Domain error";
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case EEXIST:
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return "File exists";
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case EFAULT:
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return "Bad address";
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case EFBIG:
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return "File too large";
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case EHOSTUNREACH:
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return "Host is unreachable";
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case EIDRM:
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return "Identifier removed";
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case EILSEQ:
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return "Illegal byte sequence";
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case EINPROGRESS:
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return "Operation in progress";
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case EINTR:
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return "Interrupted function call";
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case EINVAL:
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return "Invalid argument";
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case EIO:
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return "Input/output error";
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case EISCONN:
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return "Socket is connected";
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case EISDIR:
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return "Is a directory";
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case ELOOP:
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return "Symbolic link loop";
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case EMFILE:
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return "File descriptor value too large or too many open streams";
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case EMLINK:
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return "Too many links";
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case EMSGSIZE:
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return "Message too large";
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case ENAMETOOLONG:
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return "Filename too long";
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case ENETDOWN:
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return "Network is down";
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case ENETRESET:
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return "The connection was aborted by the network";
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case ENETUNREACH:
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return "Network unreachable";
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case ENFILE:
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return "Too many files open in system";
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case ENOBUFS:
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return "No buffer space available";
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case ENODATA:
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return "No message available";
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case ENODEV:
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return "No such device";
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case ENOENT:
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return "No such file or directory";
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case ENOEXEC:
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return "Executable file format error";
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case ENOLCK:
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return "No locks available";
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case ENOMEM:
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return "Not enough space";
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case ENOMSG:
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return "No message of the desired type";
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case ENOPROTOOPT:
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return "Protocol not available";
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case ENOSPC:
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return "No space left on device";
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case ENOSR:
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return "No STREAM resources";
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case ENOSTR:
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return "Not a STREAM";
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case ENOSYS:
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return "Functionality not supported";
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case ENOTCONN:
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return "Socket not connected";
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case ENOTDIR:
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return "Not a directory";
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case ENOTEMPTY:
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return "Directory not empty";
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case ENOTRECOVERABLE:
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return "State not recoverable";
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case ENOTSOCK:
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return "Not a socket";
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case ENOTSUP:
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return "Not supported";
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case ENOTTY:
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return "Inappropriate I/O control operation";
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case ENXIO:
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return "No such device or address";
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case EOPNOTSUPP:
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return "Operation not supported on socket";
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case EOVERFLOW:
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return "Value too large to be stored in data type";
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case EOWNERDEAD:
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return "Previous owner died";
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case EPERM:
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return "Operation not permitted";
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case EPIPE:
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return "Broken pipe";
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case EPROTO:
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return "Protocol error";
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case EPROTONOSUPPORT:
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return "Protocol not supported";
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case EPROTOTYPE:
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return "Protocol wrong type for socket";
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case ERANGE:
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return "Result too large";
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case EROFS:
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return "Read-only file system";
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case ESPIPE:
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return "Invalid seek";
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case ESRCH:
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return "No such process";
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case ETIME:
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return "STREAM ioctl() timeout";
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case ETIMEDOUT:
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return "Connection timed out";
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case ETXTBSY:
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return "Text file busy";
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case EWOULDBLOCK:
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return "Operation would block";
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case EXDEV:
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return "Improper link";
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default:
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snprintf(unknown_error, sizeof(unknown_error), "Unknown error %d", errnum);
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return unknown_error;
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}
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}
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/* already defined in src/std/errno.c */
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// export char *strerror(int errnum)
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// {
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// static char unknown_error[32];
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// switch (errnum)
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// {
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// case 0:
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// return "No error";
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// case E2BIG:
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// return "Argument list too long";
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// case EACCES:
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// return "Permission denied";
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// case EADDRINUSE:
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// return "Address in use";
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// case EADDRNOTAVAIL:
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// return "Address not available";
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// case EAFNOSUPPORT:
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// return "Address family not supported";
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// case EAGAIN:
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// return "Resource temporarily unavailable";
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// case EALREADY:
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// return "Connection already in progress";
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// case EBADF:
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// return "Bad file descriptor";
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// case EBADMSG:
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// return "Bad message";
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// case EBUSY:
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// return "Resource busy";
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// case ECANCELED:
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// return "Operation canceled";
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// case ECHILD:
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// return "No child process";
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// case ECONNABORTED:
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// return "Connection aborted";
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// case ECONNREFUSED:
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// return "Connection refused";
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// case ECONNRESET:
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// return "Connection reset";
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// case EDEADLK:
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// return "Resource deadlock would occur";
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// case EDESTADDRREQ:
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// return "Destination address required";
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// case EDOM:
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// return "Domain error";
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// case EEXIST:
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// return "File exists";
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// case EFAULT:
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// return "Bad address";
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// case EFBIG:
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// return "File too large";
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// case EHOSTUNREACH:
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// return "Host is unreachable";
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// case EIDRM:
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// return "Identifier removed";
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// case EILSEQ:
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// return "Illegal byte sequence";
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// case EINPROGRESS:
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// return "Operation in progress";
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// case EINTR:
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// return "Interrupted function call";
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// case EINVAL:
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// return "Invalid argument";
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// case EIO:
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// return "Input/output error";
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// case EISCONN:
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// return "Socket is connected";
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// case EISDIR:
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// return "Is a directory";
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// case ELOOP:
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// return "Symbolic link loop";
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// case EMFILE:
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// return "File descriptor value too large or too many open streams";
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// case EMLINK:
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// return "Too many links";
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// case EMSGSIZE:
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// return "Message too large";
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// case ENAMETOOLONG:
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// return "Filename too long";
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// case ENETDOWN:
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// return "Network is down";
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// case ENETRESET:
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// return "The connection was aborted by the network";
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// case ENETUNREACH:
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// return "Network unreachable";
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// case ENFILE:
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// return "Too many files open in system";
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// case ENOBUFS:
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// return "No buffer space available";
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// case ENODATA:
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// return "No message available";
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// case ENODEV:
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// return "No such device";
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// case ENOENT:
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// return "No such file or directory";
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// case ENOEXEC:
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// return "Executable file format error";
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// case ENOLCK:
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// return "No locks available";
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// case ENOMEM:
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// return "Not enough space";
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// case ENOMSG:
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// return "No message of the desired type";
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// case ENOPROTOOPT:
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// return "Protocol not available";
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// case ENOSPC:
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// return "No space left on device";
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// case ENOSR:
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// return "No STREAM resources";
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// case ENOSTR:
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// return "Not a STREAM";
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// case ENOSYS:
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// return "Functionality not supported";
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// case ENOTCONN:
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// return "Socket not connected";
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// case ENOTDIR:
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// return "Not a directory";
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// case ENOTEMPTY:
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// return "Directory not empty";
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// case ENOTRECOVERABLE:
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// return "State not recoverable";
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// case ENOTSOCK:
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// return "Not a socket";
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// case ENOTSUP:
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// return "Not supported";
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// case ENOTTY:
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// return "Inappropriate I/O control operation";
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// case ENXIO:
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// return "No such device or address";
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// case EOPNOTSUPP:
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// return "Operation not supported on socket";
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// case EOVERFLOW:
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// return "Value too large to be stored in data type";
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// case EOWNERDEAD:
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// return "Previous owner died";
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// case EPERM:
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// return "Operation not permitted";
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// case EPIPE:
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// return "Broken pipe";
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// case EPROTO:
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// return "Protocol error";
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// case EPROTONOSUPPORT:
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// return "Protocol not supported";
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// case EPROTOTYPE:
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// return "Protocol wrong type for socket";
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// case ERANGE:
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// return "Result too large";
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// case EROFS:
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// return "Read-only file system";
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// case ESPIPE:
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// return "Invalid seek";
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// case ESRCH:
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// return "No such process";
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// case ETIME:
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// return "STREAM ioctl() timeout";
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// case ETIMEDOUT:
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// return "Connection timed out";
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// case ETXTBSY:
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// return "Text file busy";
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// case EWOULDBLOCK:
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// return "Operation would block";
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// case EXDEV:
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// return "Improper link";
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// default:
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// snprintf(unknown_error, sizeof(unknown_error), "Unknown error %d", errnum);
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// return unknown_error;
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// }
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// }
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export char *strerror_l(int errnum, locale_t locale);
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@ -558,66 +563,66 @@ export char *strsignal(int signum)
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{
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switch (signum)
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{
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case __SYS_SIGNULL:
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case SIGNULL:
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return "NULL signal";
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case __SYS_SIGABRT:
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case SIGABRT:
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return "Aborted";
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case __SYS_SIGALRM:
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case SIGALRM:
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return "Alarm clock";
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case __SYS_SIGBUS:
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case SIGBUS:
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return "Bus error";
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case __SYS_SIGCHLD:
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case SIGCHLD:
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return "Child status changed";
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case __SYS_SIGCONT:
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case SIGCONT:
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return "Continued";
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case __SYS_SIGFPE:
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case SIGFPE:
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return "Arithmetic exception";
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case __SYS_SIGHUP:
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case SIGHUP:
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return "Hangup";
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case __SYS_SIGILL:
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case SIGILL:
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return "Illegal instruction";
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case __SYS_SIGINT:
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case SIGINT:
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return "Interrupt";
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case __SYS_SIGKILL:
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case SIGKILL:
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return "Killed";
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case __SYS_SIGPIPE:
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case SIGPIPE:
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return "Broken pipe";
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case __SYS_SIGQUIT:
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case SIGQUIT:
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return "Quit";
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case __SYS_SIGSEGV:
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case SIGSEGV:
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return "Segmentation fault";
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case __SYS_SIGSTOP:
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case SIGSTOP:
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return "Stopped (signal)";
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case __SYS_SIGTERM:
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case SIGTERM:
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return "Terminated";
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case __SYS_SIGTSTP:
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case SIGTSTP:
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return "Stopped (user)";
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case __SYS_SIGTTIN:
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case SIGTTIN:
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return "Stopped (tty input)";
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case __SYS_SIGTTOU:
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case SIGTTOU:
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return "Stopped (tty output)";
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case __SYS_SIGUSR1:
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case SIGUSR1:
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return "User defined signal 1";
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case __SYS_SIGUSR2:
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case SIGUSR2:
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return "User defined signal 2";
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case __SYS_SIGPOLL:
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case SIGPOLL:
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return "Pollable event occurred";
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case __SYS_SIGPROF:
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case SIGPROF:
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return "Profiling timer expired";
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case __SYS_SIGSYS:
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case SIGSYS:
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return "Bad system call";
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case __SYS_SIGTRAP:
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case SIGTRAP:
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return "Trace/breakpoint trap";
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case __SYS_SIGURG:
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case SIGURG:
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return "Urgent I/O condition";
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case __SYS_SIGVTALRM:
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case SIGVTALRM:
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return "Virtual timer expired";
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case __SYS_SIGXCPU:
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case SIGXCPU:
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return "CPU time limit exceeded";
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case __SYS_SIGXFSZ:
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case SIGXFSZ:
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return "File size limit exceeded";
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default:
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return NULL;
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return "Unknown signal";
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}
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}
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