Gabriele Cosmo
651 lines
16 KiB
C
651 lines
16 KiB
C
/* $Id: liblist.c,v 1.22 2010-11-02 09:20:42 gcosmo Exp $ */
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/*
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Given a "libname.map" file on standard input and a list or directory
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of .d dependency files liblist produces:
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a) without -l option, a library list ordered according to the libname.map,
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giving a warning if conflicting dependencies are found in the .d files.
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b) with -l option, another libname.map, ordered according firstly to the
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original libname.map file, then reordered according to the dependencies
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found in the .d files. This option is used for compiling the file
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libname.map from all the dependencies.
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c) with -m <lpath> option, the whole existing libraries list ordered
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according to the libname.map, where libraries are placed in <lpath>.
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The .d files are specified in the argument(s).
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The libname.map is on standard input.
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Usage:
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liblist *.d < libname.map
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liblist -d <ddir> < libname.map
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liblist -l *.d < libname.map
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liblist -ld <ddir> < libname.map
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liblist -l -d <ddir> < libname.map
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liblist -m <lpath> < libname.map
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where:
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<ddir> is a directory name of a directory which is recursively
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searched for dependency files
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<lpath> is the path where libraries are located
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Frank Behner, John Allison 13th February 1999.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <errno.h>
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#include <stdlib.h>
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#define BUFSIZE 1000000
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#define TRIGSIZE 1000
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#define NLIBMAX 200
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extern char *optarg;
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extern int optind, opterr, optopt;
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char** parsedir(char *directory,int *argc)
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{
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DIR *actualdir;
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FILE *actualfile;
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struct dirent *entry;
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char *buffer=0;
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struct stat status;
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char **targv=0,**ptr,**phelp;
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int len,targc,s;
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/*Open the actual directory*/
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actualdir=opendir(directory);
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if(!actualdir) return targv;
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/*Loop over all entries */
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for(entry=readdir(actualdir);entry!=NULL;entry=readdir(actualdir))
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{
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/* Throw away . and .. */
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if(strcmp(entry->d_name,".")==0 ||
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strcmp(entry->d_name,"..")==0) continue;
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/* Obtain the status information of that entry */
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if(buffer) free(buffer);
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buffer=(char*) malloc((strlen(directory)+
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strlen(entry->d_name)+2)*sizeof(char));
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strcpy(buffer,directory);
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strncat(buffer,"/",1);
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strncat(buffer,entry->d_name,strlen(entry->d_name));
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s=stat(buffer,&status);
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if(s==0)
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{
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if(S_ISDIR(status.st_mode))
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{
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/* a directory, so we are going recursive*/
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targc=0;
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ptr=parsedir(buffer,&targc);
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if(targc)
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{
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phelp=targv;
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targv=(char**) malloc((*argc+targc)*sizeof(char*));
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memcpy(targv,phelp,*argc*sizeof(char*));
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memcpy(&targv[*argc],ptr,targc*sizeof(char*));
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*argc+=targc;
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free(phelp);
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free(ptr);
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}
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}
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else if(S_ISREG(status.st_mode))
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{
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/* a regular file is it .d? */
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len=strlen(entry->d_name);
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if(entry->d_name[len-2]=='.' && entry->d_name[len-1]=='d')
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{
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phelp=targv;
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targv=(char**) malloc((*argc+1)*sizeof(char*));
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memcpy(targv,phelp,*argc*sizeof(char*));
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targv[*argc]=strdup(buffer);
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(*argc)++;
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free(phelp);
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}
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}
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}
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else
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{
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fprintf
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(stderr,
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" No status - perhaps file %s does not exist.\n",
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directory);
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exit(1);
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}
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}
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if(buffer) free(buffer);
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closedir(actualdir);
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return targv;
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}
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int main (int argc, char** argv) {
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char static buffer[BUFSIZE],*bufferPtr,workbuf[256];
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char *ptr,*p,**pp,**pp1,**pp2,*directory=0,*libpath=0;
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char **rargv;
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char *libname=0;
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int i,optl=0,optm=0,swapping,c,rargc;
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FILE *fp;
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#if defined ( _WIN32 ) || defined ( __CYGWIN__ ) || defined ( __CYGWIN32__ )
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char *ntg4tmp=0,*ntg4tmp1=0;
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int nti;
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#endif
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struct libmap_
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{
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char *lib; /* Library name, e.g., G4run. */
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char *trigger; /* Source directory, e.g., source/run/. */
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int used; /* True if used by these dependency files. */
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char **uses; /* List of library names which this library uses. */
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struct libmap_ *next;
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};
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struct libmap_ *libmap=0,*libmapPtr=0,*libmapPtr1=0,*libmapPtr2=0,
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*prevPtr1,*prevPtr2,*tmpp,*userLibmapPtr;
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while((c=getopt(argc,argv,"ld: m:"))!=EOF)
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{
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switch(c)
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{
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case 'l':
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optl=1;
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break;
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case 'd':
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directory=strdup(optarg);
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break;
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case 'm':
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optm=1;
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libpath=strdup(optarg);
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break;
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}
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}
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/*Adjust parameters after parsing options */
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if(optind<argc)
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{
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rargv=&argv[optind];
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rargc=argc-optind;
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}
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else
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{
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rargv=0;
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rargc=0;
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}
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if(directory)
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{
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if(rargc==0)
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{
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rargv=parsedir(directory,&rargc);
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}
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else
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{
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fprintf
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(stderr,
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" ERROR: If you specify a directory don't also specify files\n");
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exit(1);
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}
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}
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if(optl)fprintf(stderr," Reading library name map file...\n");
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while (!feof(stdin))
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{
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/* Get library name... */
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fgets(buffer,BUFSIZE,stdin);
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if(feof(stdin)) break;
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if (strlen(buffer) >= BUFSIZE-1)
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{
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fprintf(stderr,
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" Internal ERROR: BUFSIZE too small to read library name map file\n");
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exit(1);
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}
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/* discarded trailing \n, as gets() was doing */
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if ( buffer[strlen(buffer)-1] == '\n')
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{ buffer[strlen(buffer)-1]='\0'; }
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ptr=strtok(buffer,":\n");
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/* Check for duplicate names... */
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for(libmapPtr1=libmap;libmapPtr1;libmapPtr1=libmapPtr1->next)
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{
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if(strcmp(libmapPtr1->lib,ptr)==0)
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{
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fprintf(stderr," ERROR: Duplicate library name: %s\n",ptr);
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fprintf(stderr,
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" Perhaps a duplicate subdirectory with"
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" a GNUmakefile with the same library name.\n"
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);
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exit(1);
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}
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}
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if(libmap)
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{
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libmapPtr->next=(struct libmap_*) malloc(sizeof(struct libmap_));
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libmapPtr=libmapPtr->next;
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}
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else /* First time through anchor libmapPtr to libmap. */
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{
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libmap=(struct libmap_*) malloc(sizeof(struct libmap_));
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libmapPtr=libmap;
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}
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libmapPtr->next=0;
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libmapPtr->lib=strdup(ptr);
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libmapPtr->used=0;
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libmapPtr->uses=(char**)calloc(NLIBMAX,sizeof(char*));
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/* If option -l not specified, fill uses list... */
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if(!optl && !optm)
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{
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pp=libmapPtr->uses;
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if(ptr)
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{
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ptr=strtok(NULL," \n");
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while (ptr)
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{
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*pp=strdup(ptr);
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pp++;
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ptr=strtok(NULL," \n");
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}
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}
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}
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if(!optm)
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{
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/* Get directory name... */
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fgets(buffer,BUFSIZE,stdin);
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if (strlen(buffer) >= BUFSIZE-1)
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{
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fprintf(stderr,
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" Internal ERROR: BUFSIZE too small to read directory name\n");
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exit(1);
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}
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/* discarded trailing \n, as gets() was doing */
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if ( buffer[strlen(buffer)-1] == '\n')
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{ buffer[strlen(buffer)-1]='\0'; }
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ptr=strtok(buffer,"/");
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if(!ptr)
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{
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fprintf(stderr," ERROR: \"/\" before \"source\" expected.\n");
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exit(1);
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}
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while(ptr&&strcmp (ptr,"source"))ptr=strtok(NULL,"/");
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ptr=strtok(NULL,"/");
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if(!ptr)
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{
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fprintf(stderr," ERROR: \"source\" expected.\n");
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exit(1);
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}
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libmapPtr->trigger=(char*)malloc(TRIGSIZE);
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if(strlen(ptr)>TRIGSIZE)
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{
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fprintf(stderr," ERROR: String overflow for: %s\n", ptr);
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exit(1);
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}
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strcpy(libmapPtr->trigger,ptr);
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ptr=strtok(NULL,"/");
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while(ptr&&strcmp(ptr,"GNUmakefile"))
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{
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strncat(libmapPtr->trigger,"/",1);
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strncat(libmapPtr->trigger,ptr,strlen(ptr));
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ptr=strtok(NULL,"/");
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}
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if(!ptr)
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{
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fprintf
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(stderr,
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" ERROR: \"source/<unique-sub-path>/GNUmakefile\" expected.\n");
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exit(1);
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}
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}
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}
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if(optl)fprintf(stderr," Reading dependency files...\n");
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#if defined ( _WIN32 ) || defined ( __CYGWIN__ ) || defined ( __CYGWIN32__ )
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ntg4tmp=getenv("G4TMP");
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if ( ! ntg4tmp )
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{
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fprintf(stderr," ERROR: Cannot find environment variable G4TMP\n");
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exit(1);
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}
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ntg4tmp1=strdup(ntg4tmp);
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#endif
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for(i=0;i<rargc;i++)
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{
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fp=fopen(rargv[i],"r");
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fgets(buffer,BUFSIZE,fp);
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#if defined ( _WIN32 ) || defined ( __CYGWIN__ ) || defined ( __CYGWIN32__ )
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ptr=strchr(ntg4tmp1,':');
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while ( ptr=strchr(buffer,'\\') ) *ptr='/';
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while (ntg4tmp1!=NULL && (ptr=strstr(buffer,ntg4tmp1))!=NULL )
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{
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for(nti=0;nti<strlen(ntg4tmp1);nti++) ptr[nti]=' ';
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}
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#endif
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/* Clip target out of dependency file... */
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ptr=strtok(buffer,":");
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/* Look for a "user" library... */
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for(libmapPtr=libmap;libmapPtr;libmapPtr=libmapPtr->next)
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{
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if(strlen(libmapPtr->lib)>256)
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{
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fprintf(stderr," ERROR: String overflow for: %s\n", libmapPtr->lib);
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exit(1);
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}
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strcpy(workbuf,libmapPtr->lib);
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/* Add trailing "/" to distinguish track/ and tracking/, etc. */
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strncat(workbuf,"/",1);
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if(strstr(ptr,workbuf)) break;
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}
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if(libmapPtr)
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{
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userLibmapPtr=libmapPtr;
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}
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else
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{
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userLibmapPtr=0;
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}
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if(!optm)
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{
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/* Look for a "used" library and add it to the "user" uses list... */
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bufferPtr=strtok(NULL,"\n"); /* Start *after* ":". */
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if (!bufferPtr)
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{
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fprintf(stderr," WARNING: It seems there is nothing after \':\' in dependency file %s.\n", rargv[i]);
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}
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else {
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do
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{
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for(libmapPtr=libmap;libmapPtr;libmapPtr=libmapPtr->next)
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{
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/* Look for trigger string. */
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if(strlen(libmapPtr->trigger)>256)
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{
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fprintf(stderr," ERROR: String overflow for: %s\n", libmapPtr->trigger);
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exit(1);
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}
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strcpy(workbuf,libmapPtr->trigger);
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strncat(workbuf,"/include",8);
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ptr=strstr(bufferPtr,workbuf);
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if(ptr && (userLibmapPtr != libmapPtr))
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{
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libmapPtr->used=1;
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if(userLibmapPtr)
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{
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for(pp=userLibmapPtr->uses;*pp;pp++)
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{
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if(strcmp(*pp,libmapPtr->lib)==0)break;
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}
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if(!*pp)*pp=libmapPtr->lib;
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}
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}
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/* Also look for library name in case header files are
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placed in temporary directories under a subdirectory
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with the same name as the library name. This can
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happen with Objectivity which makes header files
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from .ddl files and places them in a temporary
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directory. */
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if(strlen(libmapPtr->lib)>256)
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{
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fprintf(stderr," ERROR: String overflow for: %s\n", libmapPtr->lib);
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exit(1);
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}
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strcpy(workbuf,libmapPtr->lib);
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strncat(workbuf,"/",1);
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ptr=strstr(bufferPtr,workbuf);
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if(ptr && (userLibmapPtr != libmapPtr))
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{
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libmapPtr->used=1;
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if(userLibmapPtr)
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{
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for(pp=userLibmapPtr->uses;*pp;pp++)
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{
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if(strcmp(*pp,libmapPtr->lib)==0)break;
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}
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if(!*pp)*pp=libmapPtr->lib;
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}
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}
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}
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fgets(buffer,BUFSIZE,fp);
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bufferPtr=buffer;
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#if defined ( _WIN32 ) || defined ( __CYGWIN__ ) || defined ( __CYGWIN32__ )
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while ( ptr=strchr(buffer,'\\') ) *ptr='/';
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while (ntg4tmp1 && (ptr=strstr(buffer,ntg4tmp1)) )
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{
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for(nti=0;nti<strlen(ntg4tmp1);nti++) ptr[nti]=' ';
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}
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#endif
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} while(!feof(fp));
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fclose(fp);
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}
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}
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}
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#if defined ( _WIN32 ) || defined ( __CYGWIN__ ) || defined ( __CYGWIN32__ )
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free(ntg4tmp1);
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#endif
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if(optl) /* This option is used for compiling the file libname.map
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from all the dependencies. */
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{
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fprintf(stderr," Checking for circular dependencies...\n");
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for(libmapPtr=libmap;libmapPtr;libmapPtr=libmapPtr->next)
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{
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for(pp=libmapPtr->uses;*pp;pp++)
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{
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for(libmapPtr1=libmap;libmapPtr1!=libmapPtr;
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libmapPtr1=libmapPtr1->next)
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{
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if(strcmp(libmapPtr1->lib,*pp)==0)
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{
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for(pp1=libmapPtr1->uses;*pp1;pp1++)
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{
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if(strcmp(*pp1,libmapPtr->lib)==0)break;
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}
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if(*pp1)
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{
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fprintf
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(stderr,
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" WARNING: %s and %s use each other.\n",
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libmapPtr->lib,
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libmapPtr1->lib);
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}
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}
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else
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{
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/* Not right yet...
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for(pp1=libmapPtr1->uses;*pp1;pp1++)
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{
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for(libmapPtr0=libmap;libmapPtr0!=libmapPtr1;
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libmapPtr0=libmapPtr0->next)
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{
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if(libmapPtr0==*pp)
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{
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fprintf
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(stderr,
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" WARNING: triangular dependecy:\n"
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" %s uses %s uses %s uses %s.\n",
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libmapPtr->lib,
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libmapPtr1->lib,
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libmapPtr0->lib,
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libmapPtr->lib);
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}
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}
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}
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*/
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}
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}
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}
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}
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fprintf(stderr," Reordering according to dependencies...\n");
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do
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{
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swapping=0;
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prevPtr2=0;
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for(libmapPtr=libmap;libmapPtr;libmapPtr=libmapPtr->next)
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{
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for(pp=libmapPtr->uses;*pp;pp++)
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{
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prevPtr1=0;
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for(libmapPtr1=libmap;libmapPtr1!=libmapPtr;
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libmapPtr1=libmapPtr1->next)
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{
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if(strcmp(libmapPtr1->lib,*pp)==0)
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{
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/* Check that 1st doesn't use 2nd... */
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for(pp1=libmapPtr1->uses;*pp1;pp1++)
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{
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if(strcmp(*pp1,libmapPtr->lib)==0)break;
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}
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if(!*pp1) /* If not... */
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{
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swapping=1;
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/* Make previous of 1st now point to 2nd... */
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if(prevPtr1)
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{
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prevPtr1->next=libmapPtr;
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}
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else
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{
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libmap=libmapPtr;
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}
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/* Make 2nd now point to what 1st did, unless
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it's adjacent, in which case make it point
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to 1st itself... */
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tmpp=libmapPtr->next;
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if(libmapPtr1->next==libmapPtr)
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{
|
|
libmapPtr->next=libmapPtr1;
|
|
}
|
|
else
|
|
{
|
|
libmapPtr->next=libmapPtr1->next;
|
|
}
|
|
/* Make previous of 2nd point to 1st, unless
|
|
it's adjacent, in which case leave it... */
|
|
if(libmapPtr1->next!=libmapPtr)
|
|
{
|
|
prevPtr2->next=libmapPtr1;
|
|
}
|
|
/* Make 1st now point to what 2nd did... */
|
|
libmapPtr1->next=tmpp;
|
|
break;
|
|
}
|
|
}
|
|
prevPtr1=libmapPtr1;
|
|
}
|
|
if(swapping)break;
|
|
}
|
|
prevPtr2=libmapPtr;
|
|
if(swapping)break;
|
|
}
|
|
}while(swapping);
|
|
|
|
fprintf(stderr," Writing new library map file...\n");
|
|
for(libmapPtr=libmap;libmapPtr;libmapPtr=libmapPtr->next)
|
|
{
|
|
printf("%s:",libmapPtr->lib);
|
|
for(pp=libmapPtr->uses;*pp;pp++)
|
|
{
|
|
printf(" %s",*pp);
|
|
}
|
|
printf("\n");
|
|
printf("source/%s/GNUmakefile\n",libmapPtr->trigger);
|
|
}
|
|
}
|
|
else if (optm)
|
|
{
|
|
/* create tmp. string libname */
|
|
int libname_usable_size=24;
|
|
if ( ! libname ) libname=malloc(libname_usable_size+16);
|
|
|
|
/* Write out full library list... */
|
|
for(libmapPtr=libmap;libmapPtr;libmapPtr=libmapPtr->next)
|
|
{
|
|
if ( strlen(libpath)+strlen(libmapPtr->lib) > libname_usable_size ) {
|
|
libname_usable_size=(strlen(libpath)+strlen(libmapPtr->lib))*2;
|
|
free(libname);
|
|
libname=malloc(libname_usable_size+16);
|
|
}
|
|
/* Check existance of libraries and print out only installed ones */
|
|
|
|
|
|
sprintf(libname, "%s/lib%s.a", libpath, libmapPtr->lib);
|
|
if (access(libname,R_OK))
|
|
{
|
|
sprintf(libname, "%s/lib%s.so", libpath, libmapPtr->lib);
|
|
if (!access(libname,R_OK))
|
|
{
|
|
printf("-l%s ",libmapPtr->lib);
|
|
}
|
|
else /* case MacOS .dylib */
|
|
{
|
|
sprintf(libname, "%s/lib%s.dylib", libpath, libmapPtr->lib);
|
|
if (!access(libname,R_OK))
|
|
{
|
|
printf("-l%s ",libmapPtr->lib);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
printf("-l%s ",libmapPtr->lib);
|
|
}
|
|
libmapPtr=libmapPtr->next;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Add dependent libraries... */
|
|
for(libmapPtr=libmap;libmapPtr;libmapPtr=libmapPtr->next)
|
|
{
|
|
if(libmapPtr->used)
|
|
{
|
|
for(pp=libmapPtr->uses;*pp;pp++)
|
|
{
|
|
for(libmapPtr1=libmap;libmapPtr1;libmapPtr1=libmapPtr1->next)
|
|
{
|
|
if(strcmp(libmapPtr1->lib,*pp)==0)
|
|
{
|
|
libmapPtr1->used=1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Write out library list... */
|
|
for(libmapPtr=libmap;libmapPtr;libmapPtr=libmapPtr->next)
|
|
{
|
|
if(libmapPtr->used)
|
|
{
|
|
printf("-l%s ",libmapPtr->lib);
|
|
}
|
|
}
|
|
}
|
|
|
|
exit(0);
|
|
|
|
}
|