LCOV - code coverage report
Current view: top level - /mnt/build/buildbot/bld/build-lcov/gcc/m2/gm2-compiler-boot - DynamicPath.c (source / functions) Coverage Total Hit
Test: gcc.info Lines: 58.9 % 56 33
Test Date: 2024-12-21 13:15:12 Functions: 60.0 % 10 6
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: - 0 0

             Branch data     Line data    Source code
       1                 :             : /* do not edit automatically generated by mc from DynamicPath.  */
       2                 :             : /* DynamicPath.mod implements a path for DynamicStrings.
       3                 :             : 
       4                 :             : Copyright (C) 2001-2024 Free Software Foundation, Inc.
       5                 :             : Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
       6                 :             : 
       7                 :             : This file is part of GNU Modula-2.
       8                 :             : 
       9                 :             : GNU Modula-2 is free software; you can redistribute it and/or modify
      10                 :             : it under the terms of the GNU General Public License as published by
      11                 :             : the Free Software Foundation; either version 3, or (at your option)
      12                 :             : any later version.
      13                 :             : 
      14                 :             : GNU Modula-2 is distributed in the hope that it will be useful, but
      15                 :             : WITHOUT ANY WARRANTY; without even the implied warranty of
      16                 :             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17                 :             : General Public License for more details.
      18                 :             : 
      19                 :             : Under Section 7 of GPL version 3, you are granted additional
      20                 :             : permissions described in the GCC Runtime Library Exception, version
      21                 :             : 3.1, as published by the Free Software Foundation.
      22                 :             : 
      23                 :             : You should have received a copy of the GNU General Public License and
      24                 :             : a copy of the GCC Runtime Library Exception along with this program;
      25                 :             : see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      26                 :             : <http://www.gnu.org/licenses/>.  */
      27                 :             : 
      28                 :             : #include "config.h"
      29                 :             : #include "system.h"
      30                 :             : #include <stdbool.h>
      31                 :             : #   if !defined (PROC_D)
      32                 :             : #      define PROC_D
      33                 :             :        typedef void (*PROC_t) (void);
      34                 :             :        typedef struct { PROC_t proc; } PROC;
      35                 :             : #   endif
      36                 :             : 
      37                 :             : #   if !defined (FALSE)
      38                 :             : #      define FALSE (1==0)
      39                 :             : #   endif
      40                 :             : 
      41                 :             : #   include "GStorage.h"
      42                 :             : #if defined(__cplusplus)
      43                 :             : #   undef NULL
      44                 :             : #   define NULL 0
      45                 :             : #endif
      46                 :             : #define _DynamicPath_C
      47                 :             : 
      48                 :             : #include "GDynamicPath.h"
      49                 :             : #   include "GStorage.h"
      50                 :             : #   include "GDynamicStrings.h"
      51                 :             : #   include "GSFIO.h"
      52                 :             : #   include "GFIO.h"
      53                 :             : #   include "GM2Printf.h"
      54                 :             : 
      55                 :             : #   define Directory '/'
      56                 :             : #   define Debugging false
      57                 :             : typedef struct DynamicPath__T1_r DynamicPath__T1;
      58                 :             : 
      59                 :             : typedef DynamicPath__T1 *DynamicPath_PathList__opaque;
      60                 :             : 
      61                 :             : struct DynamicPath__T1_r {
      62                 :             :                            DynamicPath_PathList__opaque tail;
      63                 :             :                            DynamicPath_PathList__opaque next;
      64                 :             :                            DynamicStrings_String entry;
      65                 :             :                          };
      66                 :             : 
      67                 :             : static DynamicPath_PathList__opaque FreeList;
      68                 :             : 
      69                 :             : /*
      70                 :             :    InitPathList - creates a new empty path list.
      71                 :             :                   It takes a copy of the string.
      72                 :             : */
      73                 :             : 
      74                 :             : extern "C" DynamicPath_PathList DynamicPath_InitPathList (DynamicStrings_String str);
      75                 :             : 
      76                 :             : /*
      77                 :             :    KillPathList - places list pl onto the freelist.
      78                 :             :                   Postcondition: pl will be NIL.
      79                 :             : */
      80                 :             : 
      81                 :             : extern "C" void DynamicPath_KillPathList (DynamicPath_PathList *pl);
      82                 :             : 
      83                 :             : /*
      84                 :             :    Cons - appends str to the end of a path list.
      85                 :             :           If pl is NIL a new list is created and returned
      86                 :             :           containing str.
      87                 :             : */
      88                 :             : 
      89                 :             : extern "C" DynamicPath_PathList DynamicPath_Cons (DynamicPath_PathList pl, DynamicStrings_String str);
      90                 :             : 
      91                 :             : /*
      92                 :             :    ConsList - concatenates path list left and right together.
      93                 :             : */
      94                 :             : 
      95                 :             : extern "C" DynamicPath_PathList DynamicPath_ConsList (DynamicPath_PathList left, DynamicPath_PathList right);
      96                 :             : 
      97                 :             : /*
      98                 :             :    Stash - returns pl before setting pl to NIL.
      99                 :             : */
     100                 :             : 
     101                 :             : extern "C" DynamicPath_PathList DynamicPath_Stash (DynamicPath_PathList *pl);
     102                 :             : 
     103                 :             : /*
     104                 :             :    FindFileName - returns NIL if a file cannot be found otherwise
     105                 :             :                   it returns the path including the filename.
     106                 :             : */
     107                 :             : 
     108                 :             : extern "C" DynamicStrings_String DynamicPath_FindFileName (DynamicStrings_String filename, DynamicPath_PathList pl);
     109                 :             : 
     110                 :             : /*
     111                 :             :    DumpPath - debugging dump of the pathlist.
     112                 :             : */
     113                 :             : 
     114                 :             : extern "C" void DynamicPath_DumpPath (DynamicStrings_String name, DynamicPath_PathList pl);
     115                 :             : 
     116                 :             : /*
     117                 :             :    AddDir - if str is not empty and does not end with / then add
     118                 :             :             a directory.
     119                 :             :             Postcondition: str is returned (with a '/' at the end)
     120                 :             :             or is empty.
     121                 :             : */
     122                 :             : 
     123                 :             : static DynamicStrings_String AddDir (DynamicStrings_String str);
     124                 :             : 
     125                 :             : 
     126                 :             : /*
     127                 :             :    AddDir - if str is not empty and does not end with / then add
     128                 :             :             a directory.
     129                 :             :             Postcondition: str is returned (with a '/' at the end)
     130                 :             :             or is empty.
     131                 :             : */
     132                 :             : 
     133                 :     1314481 : static DynamicStrings_String AddDir (DynamicStrings_String str)
     134                 :             : {
     135                 :     1314481 :   if ((DynamicStrings_Length (str)) > 0)
     136                 :             :     {
     137                 :     1314481 :       if ((DynamicStrings_char (str, -1)) != Directory)
     138                 :             :         {
     139                 :     1290773 :           str = DynamicStrings_ConCatChar (str, Directory);
     140                 :             :         }
     141                 :             :     }
     142                 :     1314481 :   return str;
     143                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     144                 :             :   __builtin_unreachable ();
     145                 :             : }
     146                 :             : 
     147                 :             : 
     148                 :             : /*
     149                 :             :    InitPathList - creates a new empty path list.
     150                 :             :                   It takes a copy of the string.
     151                 :             : */
     152                 :             : 
     153                 :      232986 : extern "C" DynamicPath_PathList DynamicPath_InitPathList (DynamicStrings_String str)
     154                 :             : {
     155                 :      232986 :   DynamicPath_PathList__opaque pl;
     156                 :             : 
     157                 :      232986 :   Storage_ALLOCATE ((void **) &pl, sizeof (DynamicPath__T1));
     158                 :      232986 :   pl->tail = pl;
     159                 :      232986 :   pl->next = static_cast<DynamicPath_PathList__opaque> (NULL);
     160                 :      232986 :   pl->entry = DynamicStrings_Dup (str);
     161                 :      232986 :   return static_cast<DynamicPath_PathList> (pl);
     162                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     163                 :             :   __builtin_unreachable ();
     164                 :             : }
     165                 :             : 
     166                 :             : 
     167                 :             : /*
     168                 :             :    KillPathList - places list pl onto the freelist.
     169                 :             :                   Postcondition: pl will be NIL.
     170                 :             : */
     171                 :             : 
     172                 :           0 : extern "C" void DynamicPath_KillPathList (DynamicPath_PathList *pl)
     173                 :             : {
     174                 :           0 :   if ((*pl) != NULL)
     175                 :             :     {
     176                 :           0 :       static_cast<DynamicPath_PathList__opaque> ((*pl))->tail->next = FreeList;
     177                 :           0 :       FreeList = static_cast<DynamicPath_PathList__opaque> ((*pl));
     178                 :           0 :       (*pl) = static_cast<DynamicPath_PathList> (NULL);
     179                 :             :     }
     180                 :           0 : }
     181                 :             : 
     182                 :             : 
     183                 :             : /*
     184                 :             :    Cons - appends str to the end of a path list.
     185                 :             :           If pl is NIL a new list is created and returned
     186                 :             :           containing str.
     187                 :             : */
     188                 :             : 
     189                 :      104377 : extern "C" DynamicPath_PathList DynamicPath_Cons (DynamicPath_PathList pl, DynamicStrings_String str)
     190                 :             : {
     191                 :      104377 :   if (pl == NULL)
     192                 :             :     {
     193                 :           0 :       pl = DynamicPath_InitPathList (str);
     194                 :             :     }
     195                 :             :   else
     196                 :             :     {
     197                 :      104377 :       pl = DynamicPath_ConsList (pl, DynamicPath_InitPathList (str));
     198                 :             :     }
     199                 :      104377 :   return pl;
     200                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     201                 :             :   __builtin_unreachable ();
     202                 :             : }
     203                 :             : 
     204                 :             : 
     205                 :             : /*
     206                 :             :    ConsList - concatenates path list left and right together.
     207                 :             : */
     208                 :             : 
     209                 :      104377 : extern "C" DynamicPath_PathList DynamicPath_ConsList (DynamicPath_PathList left, DynamicPath_PathList right)
     210                 :             : {
     211                 :      104377 :   if (right != NULL)
     212                 :             :     {
     213                 :      104377 :       static_cast<DynamicPath_PathList__opaque> (left)->tail->next = static_cast<DynamicPath_PathList__opaque> (right);
     214                 :      104377 :       static_cast<DynamicPath_PathList__opaque> (left)->tail = static_cast<DynamicPath_PathList__opaque> (right)->tail;
     215                 :             :     }
     216                 :      104377 :   return left;
     217                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     218                 :             :   __builtin_unreachable ();
     219                 :             : }
     220                 :             : 
     221                 :             : 
     222                 :             : /*
     223                 :             :    Stash - returns pl before setting pl to NIL.
     224                 :             : */
     225                 :             : 
     226                 :           0 : extern "C" DynamicPath_PathList DynamicPath_Stash (DynamicPath_PathList *pl)
     227                 :             : {
     228                 :           0 :   DynamicPath_PathList__opaque old;
     229                 :             : 
     230                 :           0 :   old = static_cast<DynamicPath_PathList__opaque> ((*pl));
     231                 :           0 :   (*pl) = static_cast<DynamicPath_PathList> (NULL);
     232                 :           0 :   return static_cast<DynamicPath_PathList> (old);
     233                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     234                 :             :   __builtin_unreachable ();
     235                 :             : }
     236                 :             : 
     237                 :             : 
     238                 :             : /*
     239                 :             :    FindFileName - returns NIL if a file cannot be found otherwise
     240                 :             :                   it returns the path including the filename.
     241                 :             : */
     242                 :             : 
     243                 :      673841 : extern "C" DynamicStrings_String DynamicPath_FindFileName (DynamicStrings_String filename, DynamicPath_PathList pl)
     244                 :             : {
     245                 :      673841 :   DynamicStrings_String s;
     246                 :             : 
     247                 :     1823452 :   while (pl != NULL)
     248                 :             :     {
     249                 :     1314481 :       s = DynamicStrings_ConCat (AddDir (DynamicStrings_Dup (static_cast<DynamicPath_PathList__opaque> (pl)->entry)), DynamicStrings_Dup (filename));
     250                 :     1314481 :       if (Debugging)
     251                 :             :         {
     252                 :             :           M2Printf_fprintf1 (FIO_StdErr, (const char *) "testing for %s: ", 16, (const unsigned char *) &s, (sizeof (s)-1));
     253                 :             :         }
     254                 :     1314481 :       if (SFIO_Exists (s))
     255                 :             :         {
     256                 :             :           if (Debugging)
     257                 :             :             {
     258                 :             :               M2Printf_fprintf0 (FIO_StdErr, (const char *) "yes\\n", 5);
     259                 :             :             }
     260                 :             :           return s;
     261                 :             :         }
     262                 :     1149611 :       if (Debugging)
     263                 :             :         {
     264                 :             :           M2Printf_fprintf0 (FIO_StdErr, (const char *) "no\\n", 4);
     265                 :             :         }
     266                 :     1149611 :       s = DynamicStrings_KillString (s);
     267                 :     1149611 :       pl = static_cast<DynamicPath_PathList> (static_cast<DynamicPath_PathList__opaque> (pl)->next);
     268                 :             :     }
     269                 :             :   if (Debugging)
     270                 :             :     {
     271                 :             :       M2Printf_fprintf1 (FIO_StdErr, (const char *) "FindFileName did not find: %s in path\\n", 39, (const unsigned char *) &filename, (sizeof (filename)-1));
     272                 :             :     }
     273                 :             :   return static_cast<DynamicStrings_String> (NULL);
     274                 :             :   /* static analysis guarentees a RETURN statement will be used before here.  */
     275                 :             :   __builtin_unreachable ();
     276                 :             : }
     277                 :             : 
     278                 :             : 
     279                 :             : /*
     280                 :             :    DumpPath - debugging dump of the pathlist.
     281                 :             : */
     282                 :             : 
     283                 :           0 : extern "C" void DynamicPath_DumpPath (DynamicStrings_String name, DynamicPath_PathList pl)
     284                 :             : {
     285                 :           0 :   M2Printf_fprintf1 (FIO_StdErr, (const char *) "%s:", 3, (const unsigned char *) &name, (sizeof (name)-1));
     286                 :           0 :   while (pl != NULL)
     287                 :             :     {
     288                 :           0 :       M2Printf_fprintf0 (FIO_StdErr, (const char *) " {", 2);
     289                 :           0 :       M2Printf_fprintf1 (FIO_StdErr, (const char *) "%s", 2, (const unsigned char *) &static_cast<DynamicPath_PathList__opaque> (pl)->entry, (sizeof (static_cast<DynamicPath_PathList__opaque> (pl)->entry)-1));
     290                 :           0 :       M2Printf_fprintf0 (FIO_StdErr, (const char *) "}", 1);
     291                 :           0 :       pl = static_cast<DynamicPath_PathList> (static_cast<DynamicPath_PathList__opaque> (pl)->next);
     292                 :             :     }
     293                 :           0 :   M2Printf_fprintf0 (FIO_StdErr, (const char *) "\\n", 2);
     294                 :           0 : }
     295                 :             : 
     296                 :       14232 : extern "C" void _M2_DynamicPath_init (__attribute__((unused)) int argc, __attribute__((unused)) char *argv[], __attribute__((unused)) char *envp[])
     297                 :             : {
     298                 :       14232 :   FreeList = static_cast<DynamicPath_PathList__opaque> (NULL);
     299                 :       14232 : }
     300                 :             : 
     301                 :           0 : extern "C" void _M2_DynamicPath_fini (__attribute__((unused)) int argc, __attribute__((unused)) char *argv[], __attribute__((unused)) char *envp[])
     302                 :             : {
     303                 :           0 : }
        

Generated by: LCOV version 2.1-beta

LCOV profile is generated on x86_64 machine using following configure options: configure --disable-bootstrap --enable-coverage=opt --enable-languages=c,c++,fortran,go,jit,lto,rust,m2 --enable-host-shared. GCC test suite is run with the built compiler.