Mercurial > dwindows
view gtk/rel2abs.c @ 857:718b91ac19d2
Disable auto-sizing... I had enabled this during optimize because it produces some nice results....
But when there isn't enough space it causes columns to bunch up. I thought it would just do it when the view resized.
author | bsmith@81767d24-ef19-dc11-ae90-00e081727c95 |
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date | Thu, 31 Mar 2011 21:10:25 +0000 |
parents | a5deb87b26e4 |
children |
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/* * Copyright (c) 1997 Shigio Yamaguchi. All rights reserved. * Copyright (c) 1999 Tama Communications Corporation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <errno.h> #include <stdlib.h> #include <string.h> /* * rel2abs: convert an relative path name into absolute. * * i) path relative path * i) base base directory (must be absolute path) * o) result result buffer * i) size size of result buffer * r) != NULL: absolute path * == NULL: error */ char * rel2abs(path, base, result, size) const char *path; const char *base; char *result; const size_t size; { const char *pp, *bp; /* * endp points the last position which is safe in the result buffer. */ const char *endp = result + size - 1; char *rp; int length; if (*path == '/') { if (strlen(path) >= size) goto erange; strcpy(result, path); goto finish; } else if (*base != '/' || !size) { errno = EINVAL; return (NULL); } else if (size == 1) goto erange; length = strlen(base); if (!strcmp(path, ".") || !strcmp(path, "./")) { if (length >= size) goto erange; strcpy(result, base); /* * rp points the last char. */ rp = result + length - 1; /* * remove the last '/'. */ if (*rp == '/') { if (length > 1) *rp = 0; } else rp++; /* rp point NULL char */ if (*++path == '/') { /* * Append '/' to the tail of path name. */ *rp++ = '/'; if (rp > endp) goto erange; *rp = 0; } goto finish; } bp = base + length; if (*(bp - 1) == '/') --bp; /* * up to root. */ for (pp = path; *pp && *pp == '.'; ) { if (!strncmp(pp, "../", 3)) { pp += 3; while (bp > base && *--bp != '/') ; } else if (!strncmp(pp, "./", 2)) { pp += 2; } else if (!strncmp(pp, "..\0", 3)) { pp += 2; while (bp > base && *--bp != '/') ; } else break; } /* * down to leaf. */ length = bp - base; if (length >= size) goto erange; strncpy(result, base, length); rp = result + length; if (*pp || *(pp - 1) == '/' || length == 0) *rp++ = '/'; if (rp + strlen(pp) > endp) goto erange; strcpy(rp, pp); finish: return result; erange: errno = ERANGE; return (NULL); }