projects / people / pmueller / ipfire-2.x.git / blame
| Commit | Line | Data |
|---|---|---|
| d6aaa55d MT |
1 | /* SmoothWall install program. |
| 2 | * | |
| 3 | * This program is distributed under the terms of the GNU General Public | |
| 4 | * Licence. See the file COPYING for details. | |
| 5 | * | |
| 6 | * (c) Lawrence Manning, 2001 | |
| 7 | * Contains some functs for scanning /proc for ide info on CDROMS and | |
| 8 | * harddisks. | |
| 9 | * | |
| 10 | * $Id: ide.c,v 1.4 2003/12/11 11:25:53 riddles Exp $ | |
| 11 | * | |
| 12 | */ | |
| 13 | ||
| 14 | #include "install.h" | |
| 15 | ||
| 16 | /* checkide(). Scans the named drive letter and returns the IDE_??? type. */ | |
| 17 | int checkide(char letter) | |
| 18 | { | |
| 19 | FILE *f = NULL; | |
| 20 | char filename[STRING_SIZE]; | |
| 21 | char buffer[STRING_SIZE]; | |
| 22 | ||
| 23 | sprintf(filename, "/proc/ide/hd%c/media", letter); | |
| 24 | ||
| 25 | if (!(f = fopen(filename, "r"))) | |
| 26 | return IDE_EMPTY; | |
| 27 | ||
| 28 | if (!(fgets(buffer, STRING_SIZE, f))) | |
| 29 | { | |
| 30 | printf("Couldn't read from %s\n", filename); | |
| 31 | fclose(f); | |
| 32 | return IDE_EMPTY; | |
| 33 | } | |
| 34 | ||
| 35 | fclose(f); | |
| 36 | ||
| 37 | stripnl(buffer); | |
| 38 | ||
| 39 | if (strcmp(buffer, "cdrom") == 0) | |
| 40 | return IDE_CDROM; | |
| 41 | else if (strcmp(buffer, "disk") == 0) | |
| 42 | return IDE_HD; | |
| 43 | else | |
| 44 | return IDE_UNKNOWN; | |
| 45 | } | |
| 46 | ||
| 47 | /* findidetype(). Finds the first ide deveice of the given IDE_?? type. */ | |
| 48 | char findidetype(int type) | |
| 49 | { | |
| 50 | char letter; | |
| 51 | ||
| 52 | for (letter = 'a'; letter <= 'z'; letter++) | |
| 53 | { | |
| 54 | if ((checkide(letter)) == type) | |
| 55 | { | |
| 56 | return letter; | |
| 57 | } | |
| 58 | } | |
| 59 | return '\0'; | |
| 60 | } | |
| 61 |