diff options
author | Dirk Engling <erdgeist@erdgeist.org> | 2014-02-20 22:42:56 +0100 |
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committer | Dirk Engling <erdgeist@erdgeist.org> | 2014-02-20 22:42:56 +0100 |
commit | 046857dfb88f05e6b310fe9ef07b9f2d3ac5922d (patch) | |
tree | 9ce854f9572168c3ec1fe6751276430fa4a79cd9 /src/mystdlib.c | |
parent | 64c85dfc1d3b546dd4b5f84168e9256817f3a741 (diff) |
Restructure project, make names more clear
Diffstat (limited to 'src/mystdlib.c')
-rw-r--r-- | src/mystdlib.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/src/mystdlib.c b/src/mystdlib.c deleted file mode 100644 index 17f123b..0000000 --- a/src/mystdlib.c +++ /dev/null | |||
@@ -1,56 +0,0 @@ | |||
1 | #include <sys/types.h> | ||
2 | #include <sys/stat.h> | ||
3 | #include <sys/mman.h> | ||
4 | #include <unistd.h> | ||
5 | #include <fcntl.h> | ||
6 | #include <stdio.h> | ||
7 | #include <string.h> | ||
8 | #include <stdlib.h> | ||
9 | |||
10 | #include "mystdlib.h" | ||
11 | |||
12 | MAP map_file( char *filename, int readonly ) | ||
13 | { | ||
14 | struct stat fstatus; | ||
15 | MAP map = (MAP)malloc( sizeof( *map )); | ||
16 | |||
17 | if( map ) | ||
18 | { | ||
19 | memset( map, 0, sizeof( *map )); | ||
20 | |||
21 | if( ( map->fh = open( filename, readonly ? O_RDONLY : O_RDWR ) ) >= 0 ) | ||
22 | { | ||
23 | fstat( map->fh, &fstatus ); | ||
24 | if( ( map->addr = mmap( NULL, map->size = (size_t)fstatus.st_size, | ||
25 | PROT_READ | ( readonly ? 0 : PROT_WRITE), (readonly ? MAP_PRIVATE : MAP_SHARED), map->fh, 0) ) == MAP_FAILED ) | ||
26 | { | ||
27 | fprintf( stderr, "Mapping file '%s' failed\n", filename ); | ||
28 | close( map->fh ); free( map ); map = NULL; | ||
29 | } | ||
30 | } else { | ||
31 | fprintf( stderr, "Couldn't open file: '%s'\n", filename ); | ||
32 | free( map ); map = NULL; | ||
33 | } | ||
34 | } else { | ||
35 | fputs( "Couldn't allocate memory", stderr ); | ||
36 | } | ||
37 | |||
38 | return map; | ||
39 | } | ||
40 | |||
41 | void unmap_file ( MAP *pMap ) | ||
42 | { | ||
43 | if( !pMap || !*pMap ) return; | ||
44 | munmap( (*pMap)->addr, (*pMap)->size); | ||
45 | close( (*pMap)->fh); | ||
46 | free( *pMap ); *pMap = NULL; | ||
47 | } | ||
48 | |||
49 | int getfilesize( int fd, unsigned long *size) | ||
50 | { | ||
51 | struct stat sb; | ||
52 | int ret; | ||
53 | if( fstat( fd, &sb )) return -1; | ||
54 | *size = sb.st_size; | ||
55 | return 0; | ||
56 | } | ||