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author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
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committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/config/makedepend/include.c | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2 nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip |
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:
Imported nx-X11-3.1.0-1.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/config/makedepend/include.c')
-rw-r--r-- | nx-X11/config/makedepend/include.c | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/nx-X11/config/makedepend/include.c b/nx-X11/config/makedepend/include.c new file mode 100644 index 000000000..65ce78338 --- /dev/null +++ b/nx-X11/config/makedepend/include.c @@ -0,0 +1,318 @@ +/* $Xorg: include.c,v 1.4 2001/02/09 02:03:16 xorgcvs Exp $ */ +/* + +Copyright (c) 1993, 1994, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ +/* $XFree86: xc/config/makedepend/include.c,v 3.6 2001/04/29 23:25:02 tsi Exp $ */ + + +#include "def.h" + +extern struct inclist inclist[ MAXFILES ], + *inclistp, *inclistnext; +extern char *includedirs[ ], + **includedirsnext; +extern char *notdotdot[ ]; +extern boolean show_where_not; +extern boolean warn_multiple; + +static boolean +isdot(char *p) +{ + if(p && *p++ == '.' && *p++ == '\0') + return(TRUE); + return(FALSE); +} + +static boolean +isdotdot(char *p) +{ + if(p && *p++ == '.' && *p++ == '.' && *p++ == '\0') + return(TRUE); + return(FALSE); +} + +static boolean +issymbolic(char *dir, char *component) +{ +#ifdef S_IFLNK + struct stat st; + char buf[ BUFSIZ ], **pp; + + sprintf(buf, "%s%s%s", dir, *dir ? "/" : "", component); + for (pp=notdotdot; *pp; pp++) + if (strcmp(*pp, buf) == 0) + return (TRUE); + if (lstat(buf, &st) == 0 + && (st.st_mode & S_IFMT) == S_IFLNK) { + *pp++ = copy(buf); + if (pp >= ¬dotdot[ MAXDIRS ]) + fatalerr("out of .. dirs, increase MAXDIRS\n"); + return(TRUE); + } +#endif + return(FALSE); +} + +/* + * Occasionally, pathnames are created that look like .../x/../y + * Any of the 'x/..' sequences within the name can be eliminated. + * (but only if 'x' is not a symbolic link!!) + */ +static void +remove_dotdot(char *path) +{ + register char *end, *from, *to, **cp; + char *components[ MAXFILES ], + newpath[ BUFSIZ ]; + boolean component_copied; + + /* + * slice path up into components. + */ + to = newpath; + if (*path == '/') + *to++ = '/'; + *to = '\0'; + cp = components; + for (from=end=path; *end; end++) + if (*end == '/') { + while (*end == '/') + *end++ = '\0'; + if (*from) + *cp++ = from; + from = end; + } + *cp++ = from; + *cp = NULL; + + /* + * Recursively remove all 'x/..' component pairs. + */ + cp = components; + while(*cp) { + if (!isdot(*cp) && !isdotdot(*cp) && isdotdot(*(cp+1)) + && !issymbolic(newpath, *cp)) + { + char **fp = cp + 2; + char **tp = cp; + + do + *tp++ = *fp; /* move all the pointers down */ + while (*fp++); + if (cp != components) + cp--; /* go back and check for nested ".." */ + } else { + cp++; + } + } + /* + * Concatenate the remaining path elements. + */ + cp = components; + component_copied = FALSE; + while(*cp) { + if (component_copied) + *to++ = '/'; + component_copied = TRUE; + for (from = *cp; *from; ) + *to++ = *from++; + *to = '\0'; + cp++; + } + *to++ = '\0'; + + /* + * copy the reconstituted path back to our pointer. + */ + strcpy(path, newpath); +} + +/* + * Add an include file to the list of those included by 'file'. + */ +struct inclist * +newinclude(char *newfile, char *incstring) +{ + register struct inclist *ip; + + /* + * First, put this file on the global list of include files. + */ + ip = inclistp++; + if (inclistp == inclist + MAXFILES - 1) + fatalerr("out of space: increase MAXFILES\n"); + ip->i_file = copy(newfile); + + if (incstring == NULL) + ip->i_incstring = ip->i_file; + else + ip->i_incstring = copy(incstring); + + inclistnext = inclistp; + return(ip); +} + +void +included_by(struct inclist *ip, struct inclist *newfile) +{ + register int i; + + if (ip == NULL) + return; + /* + * Put this include file (newfile) on the list of files included + * by 'file'. If 'file' is NULL, then it is not an include + * file itself (i.e. was probably mentioned on the command line). + * If it is already on the list, don't stick it on again. + */ + if (ip->i_list == NULL) { + ip->i_list = (struct inclist **) + malloc(sizeof(struct inclist *) * ++ip->i_listlen); + ip->i_merged = (boolean *) + malloc(sizeof(boolean) * ip->i_listlen); + } else { + for (i=0; i<ip->i_listlen; i++) + if (ip->i_list[ i ] == newfile) { + i = strlen(newfile->i_file); + if (!(ip->i_flags & INCLUDED_SYM) && + !(i > 2 && + newfile->i_file[i-1] == 'c' && + newfile->i_file[i-2] == '.')) + { + /* only bitch if ip has */ + /* no #include SYMBOL lines */ + /* and is not a .c file */ + if (warn_multiple) + { + warning("%s includes %s more than once!\n", + ip->i_file, newfile->i_file); + warning1("Already have\n"); + for (i=0; i<ip->i_listlen; i++) + warning1("\t%s\n", ip->i_list[i]->i_file); + } + } + return; + } + ip->i_list = (struct inclist **) realloc(ip->i_list, + sizeof(struct inclist *) * ++ip->i_listlen); + ip->i_merged = (boolean *) + realloc(ip->i_merged, sizeof(boolean) * ip->i_listlen); + } + ip->i_list[ ip->i_listlen-1 ] = newfile; + ip->i_merged[ ip->i_listlen-1 ] = FALSE; +} + +void +inc_clean (void) +{ + register struct inclist *ip; + + for (ip = inclist; ip < inclistp; ip++) { + ip->i_flags &= ~MARKED; + } +} + +struct inclist * +inc_path(char *file, char *include, int type) +{ + static char path[ BUFSIZ ]; + register char **pp, *p; + register struct inclist *ip; + struct stat st; + + /* + * Check all previously found include files for a path that + * has already been expanded. + */ + if ((type == INCLUDE) || (type == INCLUDEDOT)) + inclistnext = inclist; + ip = inclistnext; + + for (; ip->i_file; ip++) { + if ((strcmp(ip->i_incstring, include) == 0) && + !(ip->i_flags & INCLUDED_SYM)) { + inclistnext = ip + 1; + return ip; + } + } + + if (inclistnext == inclist) { + /* + * If the path was surrounded by "" or is an absolute path, + * then check the exact path provided. + */ + if ((type == INCLUDEDOT) || + (type == INCLUDENEXTDOT) || + (*include == '/')) { + if (stat(include, &st) == 0) + return newinclude(include, include); + if (show_where_not) + warning1("\tnot in %s\n", include); + } + + /* + * If the path was surrounded by "" see if this include file is + * in the directory of the file being parsed. + */ + if ((type == INCLUDEDOT) || (type == INCLUDENEXTDOT)) { + for (p=file+strlen(file); p>file; p--) + if (*p == '/') + break; + if (p == file) { + strcpy(path, include); + } else { + strncpy(path, file, (p-file) + 1); + path[ (p-file) + 1 ] = '\0'; + strcpy(path + (p-file) + 1, include); + } + remove_dotdot(path); + if (stat(path, &st) == 0) + return newinclude(path, include); + if (show_where_not) + warning1("\tnot in %s\n", path); + } + } + + /* + * Check the include directories specified. Standard include dirs + * should be at the end. + */ + if ((type == INCLUDE) || (type == INCLUDEDOT)) + includedirsnext = includedirs; + pp = includedirsnext; + + for (; *pp; pp++) { + sprintf(path, "%s/%s", *pp, include); + remove_dotdot(path); + if (stat(path, &st) == 0) { + includedirsnext = pp + 1; + return newinclude(path, include); + } + if (show_where_not) + warning1("\tnot in %s\n", path); + } + + return NULL; +} |