| 1 | #include "stdlib.h"
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| 2 | #include "stdlib_unified.h"
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| 3 |
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| 4 | /*******************************************************
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| 5 | // Some of base IO functions are platform dependend.
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| 6 | // This file containt wrapper unify them for modules.
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| 7 | //
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| 8 | // open - different files could be used
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| 9 | // stat - different "stat" data structure used
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| 10 | // *dir - different "dirent" data structure used
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| 11 | *******************************************************/
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| 12 |
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| 13 |
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| 14 | //-------------------------------------------------------
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| 15 | int safe_open (const char *name, int flags, int mode )
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| 16 | {
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| 17 | int real_flags = flags & ~(STD_O_TRUNC|STD_O_CREAT);
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| 18 | if ( flags & STD_O_TRUNC ) real_flags |= O_TRUNC;
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| 19 | if ( flags & STD_O_CREAT ) real_flags |= O_CREAT;
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| 20 | return open( name, real_flags, mode);
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| 21 | }
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| 22 |
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| 23 | //-------------------------------------------------------
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| 24 | int safe_stat (const char *name, struct STD_stat *pStat)
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| 25 | {
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| 26 | struct stat st;
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| 27 | int rv;
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| 28 |
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| 29 | if ( pStat==0 ) return 1;
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| 30 | memset( pStat, 0, sizeof(struct STD_stat));
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| 31 | rv = stat( name, &st );
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| 32 | if ( rv != 0 ) return rv;
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| 33 |
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| 34 | pStat->st_attrib = st.st_attrib;
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| 35 | pStat->st_size = st.st_size;
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| 36 | pStat->st_ctime = st.st_ctime;
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| 37 | pStat->st_mtime = st.st_mtime;
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| 38 |
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| 39 | return rv;
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| 40 | }
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| 41 |
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| 42 |
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| 43 | //-------------------------------------------------------
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| 44 | STD_DIR* safe_opendir (const char* name)
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| 45 | {
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| 46 | DIR* dh = opendir(name);
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| 47 | STD_DIR* std = 0;
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| 48 |
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| 49 | if ( dh==0 ) return 0;
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| 50 |
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| 51 | std = malloc (sizeof(STD_DIR));
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| 52 | if ( std == 0 ) {
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| 53 | closedir(dh);
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| 54 | return 0;
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| 55 | }
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| 56 |
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| 57 | memset( std, 0, sizeof(STD_DIR));
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| 58 | std->dh = dh;
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| 59 |
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| 60 | return std;
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| 61 | }
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| 62 |
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| 63 | //-------------------------------------------------------
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| 64 | int safe_closedir (STD_DIR* dir)
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| 65 | {
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| 66 | int rv;
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| 67 |
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| 68 | if ( dir==0 ) return 0;
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| 69 | rv = closedir( dir->dh );
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| 70 | free( dir );
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| 71 | return rv;
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| 72 | }
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| 73 |
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| 74 | /*
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| 75 | // rewinddir is used used nowhere. so commented for now
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| 76 | //-------------------------------------------------------
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| 77 | void safe_rewinddir (STD_DIR* dir )
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| 78 | {
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| 79 | if ( dir!=0 )
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| 80 | rewinddir( dir->dh );
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| 81 | }
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| 82 | */
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| 83 |
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| 84 | //-------------------------------------------------------
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| 85 | struct STD_dirent* safe_readdir (STD_DIR* dir)
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| 86 | {
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| 87 | struct dirent* de;
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| 88 |
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| 89 | if ( dir==0 ) return 0;
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| 90 | de = readdir( dir->dh );
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| 91 |
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| 92 | if ( de==0 ) return 0;
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| 93 |
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| 94 | #if !CAM_DRYOS
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| 95 | memset( &(dir->de), 0, sizeof(dir->de));
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| 96 | #else
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| 97 | dir->de.unk1 = de->unk1;
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| 98 | dir->de.attrib = de->attrib;
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| 99 | dir->de.size = de->size;
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| 100 | dir->de.time1 = de->time1;
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| 101 | dir->de.time2 = de->time2;
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| 102 | dir->de.time3 = de->time3;
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| 103 | #endif
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| 104 | strncpy( dir->de.d_name, de->d_name, sizeof(dir->de.d_name));
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| 105 | dir->de.d_name[sizeof(dir->de.d_name)-1]=0;
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| 106 |
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| 107 | return &(dir->de);
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| 108 | }
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