]> pd.if.org Git - pdclib/blobdiff - functions/stdio/fgets.c
Removed old files.
[pdclib] / functions / stdio / fgets.c
diff --git a/functions/stdio/fgets.c b/functions/stdio/fgets.c
deleted file mode 100644 (file)
index 638bcdd..0000000
+++ /dev/null
@@ -1,300 +0,0 @@
-/* ----------------------------------------------------------------------------
- * $Id$
- * ----------------------------------------------------------------------------
- * Public Domain C Library - http://pdclib.sourceforge.net
- * This code is Public Domain. Use, modify, and redistribute at will.
- * --------------------------------------------------------------------------*/
-
-char * fgets( char * restrict s, int n, FILE * restrict stream ) { /* TODO */ };
-
-/* PDPC code - unreviewed
-/*
-
-In fgets, we have the following possibilites...
-
-1. we found a genuine '\n' that terminated the search.
-2. we hit the '\n' at the endbuf.
-3. we hit the '\n' sentinel.
-
-*/
-#ifndef __MVS__
-char *fgets(char *s, int n, FILE *stream)
-{
-    char *p;
-    register char *t;
-    register char *u = s;
-    int c;
-    int processed;
-#ifdef __OS2__
-    ULONG actualRead;
-    APIRET rc;
-#endif
-#ifdef __MSDOS__
-    size_t actualRead;
-    int errind;
-#endif
-
-    if (stream->quickText)
-    {
-        p = stream->upto + n - 1;
-        t = stream->upto;
-        if (p < stream->endbuf)
-        {
-            c = *p;
-            *p = '\n';
-#ifdef __OS2__
-            if (n < 8)
-            {
-#endif
-                while ((*u++ = *t++) != '\n') ; /* tight inner loop */
-#ifdef __OS2__
-            }
-            else
-            {
-                register unsigned int *i1;
-                register unsigned int *i2;
-                register unsigned int z;
-
-                i1 = (unsigned int *)t;
-                i2 = (unsigned int *)u;
-                while (1)
-                {
-                    z = *i1;
-                    if ((z & 0xffU) == '\n') break;
-                    z >>= 8;
-                    if ((z & 0xffU) == '\n') break;
-                    z >>= 8;
-                    if ((z & 0xffU) == '\n') break;
-                    z >>= 8;
-                    if ((z & 0xffU) == '\n') break;
-                    *i2++ = *i1++;
-                }
-                t = (char *)i1;
-                u = (char *)i2;
-                while ((*u++ = *t++) != '\n') ;
-            }
-#endif
-            *p = (char)c;
-            if (t <= p)
-            {
-                if (*(t - 2) == '\r') /* t is protected, u isn't */
-                {
-                    *(u - 2) = '\n';
-                    *(u - 1) = '\0';
-                }
-                else
-                {
-                    *u = '\0';
-                }
-                stream->upto = t;
-                return (s);
-            }
-            else
-            {
-                processed = (int)(t - stream->upto) - 1;
-                stream->upto = t - 1;
-                u--;
-            }
-        }
-        else
-        {
-            while ((*u++ = *t++) != '\n') ; /* tight inner loop */
-            if (t <= stream->endbuf)
-            {
-                if (*(t - 2) == '\r') /* t is protected, u isn't */
-                {
-                    *(u - 2) = '\n';
-                    *(u - 1) = '\0';
-                }
-                else
-                {
-                    *u = '\0';
-                }
-                stream->upto = t;
-                return (s);
-            }
-            else
-            {
-                processed = (int)(t - stream->upto) - 1;
-                stream->upto = t - 1;
-                u--;
-            }
-        }
-    }
-    else
-    {
-        processed = 0;
-    }
-
-    if (n < 1)
-    {
-        return (NULL);
-    }
-    if (n < 2)
-    {
-        *u = '\0';
-        return (s);
-    }
-    if (stream->ungetCh != -1)
-    {
-        processed++;
-        *u++ = (char)stream->ungetCh;
-        stream->ungetCh = -1;
-    }
-    while (1)
-    {
-        t = stream->upto;
-        p = stream->upto + (n - processed) - 1;
-        if (p < stream->endbuf)
-        {
-            c = *p;
-            *p = '\n';
-        }
-        if (stream->noNl)
-        {
-            while (((*u++ = *t) != '\n') && (*t++ != '\r')) ;
-            if (*(u - 1) == '\n')
-            {
-                t++;
-            }
-            else
-            {
-                u--;
-                while ((*u++ = *t++) != '\n') ;
-            }
-        }
-        else
-        {
-            while ((*u++ = *t++) != '\n') ; /* tight inner loop */
-        }
-        if (p < stream->endbuf)
-        {
-            *p = (char)c;
-        }
-        if (((t <= p) && (p < stream->endbuf))
-           || ((t <= stream->endbuf) && (p >= stream->endbuf)))
-        {
-            if (stream->textMode)
-            {
-                if (stream->noNl)
-                {
-                    if ((*(t - 1) == '\r') || (*(t - 1) == '\n'))
-                    {
-                        *(u - 1) = '\0';
-                    }
-                    else
-                    {
-                        *u = '\0';
-                    }
-                }
-                else if (*(t - 2) == '\r') /* t is protected, u isn't */
-                {
-                    *(u - 2) = '\n';
-                    *(u - 1) = '\0';
-                }
-                else
-                {
-                    *u = '\0';
-                }
-            }
-            stream->upto = t;
-            if (stream->textMode)
-            {
-                stream->quickText = 1;
-            }
-            return (s);
-        }
-        else if (((t > p) && (p < stream->endbuf))
-                 || ((t > stream->endbuf) && (p >= stream->endbuf)))
-        {
-            int leave = 1;
-
-            if (stream->textMode)
-            {
-                if (t > stream->endbuf)
-                {
-                    if ((t - stream->upto) > 1)
-                    {
-                        if (*(t - 2) == '\r') /* t is protected, u isn't */
-                        {
-                            processed -= 1; /* preparation for add */
-                        }
-                    }
-                    leave = 0;
-                }
-                else
-                {
-                    if ((*(t - 2) == '\r') && (*(t - 1) == '\n'))
-                    {
-                        *(u - 2) = '\n';
-                        *(u - 1) = '\0';
-                    }
-                    else
-                    {
-                        t--;
-                        *(u - 1) = '\0';
-                    }
-                }
-            }
-            else if (t > stream->endbuf)
-            {
-                leave = 0;
-            }
-            else
-            {
-                *u = '\0';
-            }
-            if (leave)
-            {
-                stream->upto = t;
-                if (stream->textMode)
-                {
-                    stream->quickText = 1;
-                }
-                return (s);
-            }
-        }
-        processed += (int)(t - stream->upto) - 1;
-        u--;
-        stream->bufStartR += (stream->endbuf - stream->fbuf);
-#ifdef __OS2__
-        rc = DosRead(stream->hfile, stream->fbuf, stream->szfbuf, &actualRead);
-        if (rc != 0)
-        {
-            actualRead = 0;
-            stream->errorInd = 1;
-            errno = rc;
-        }
-#endif
-#ifdef __MSDOS__
-        actualRead = __read(stream->hfile,
-                            stream->fbuf,
-                            stream->szfbuf,
-                            &errind);
-        if (errind)
-        {
-            errno = actualRead;
-            actualRead = 0;
-            stream->errorInd = 1;
-        }
-#endif
-        stream->endbuf = stream->fbuf + actualRead;
-        *stream->endbuf = '\n';
-        if (actualRead == 0)
-        {
-            *u = '\0';
-            if ((u - s) <= 1)
-            {
-                stream->eofInd = 1;
-                return (NULL);
-            }
-            else
-            {
-                return (s);
-            }
-        }
-        stream->upto = stream->fbuf;
-    }
-}
-#endif
-*/