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| Rev | Author | Line No. | Line |
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| 10 | reyssat | 1 | /* Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis |
| 2 | * |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation; either version 2 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * This program is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * GNU General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 16 | */ |
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| 8185 | bpr | 17 | #include "wimslogd.h" |
| 10 | reyssat | 18 | |
| 19 | /* File manipulation */ |
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| 20 | |||
| 21 | struct stat ftst; |
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| 22 | |||
| 8155 | bpr | 23 | /* A simple front-end of stat(). */ |
| 10 | reyssat | 24 | int ftest(char *fname) |
| 25 | { |
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| 26 | if(strstr(fname,"..")!=NULL) return -1; /* parent directory not allowed */ |
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| 27 | if(stat(fname,&ftst)) return -1; |
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| 28 | if(S_ISREG(ftst.st_mode)) { |
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| 8849 | bpr | 29 | if((ftst.st_mode&(S_IXUSR|S_IXGRP|S_IXOTH))!=0) return is_exec; |
| 30 | else return is_file; |
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| 10 | reyssat | 31 | } |
| 32 | if(S_ISDIR(ftst.st_mode)) return is_dir; |
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| 33 | if(S_ISFIFO(ftst.st_mode)) return is_fifo; |
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| 34 | if(S_ISSOCK(ftst.st_mode)) return is_socket; |
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| 35 | return is_unknown; |
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| 36 | } |
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| 37 | |||
| 8155 | bpr | 38 | /* read the content of a file */ |
| 10 | reyssat | 39 | void readfile(char *fname, char buf[], long int buflen) |
| 40 | { |
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| 6790 | bpr | 41 | int fd, st; |
| 10 | reyssat | 42 | long int l, lc; |
| 6790 | bpr | 43 | buf[0]=0; |
| 10 | reyssat | 44 | st=ftest(fname); if(st!=is_file) return; |
| 45 | l=ftst.st_size; if(l<=0) return; |
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| 8849 | bpr | 46 | if(l>=buflen) l=buflen-1; /* silent trancation */ |
| 10 | reyssat | 47 | fd=open(fname,O_RDONLY); if(fd==-1) return; |
| 48 | lc=read(fd,buf,l); close(fd); |
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| 49 | if(lc!=l) {buf[0]=0; return;} |
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| 50 | buf[lc]=0; _tolinux(buf); return; |
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| 51 | } |
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| 52 | |||
| 8155 | bpr | 53 | /* datafile structure: number of records. |
| 54 | * tag=1 if direct access |
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| 55 | */ |
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| 10 | reyssat | 56 | unsigned int datafile_recordnum(char *p) |
| 57 | { |
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| 58 | char *pp, buf[MAX_FILELEN+1]; |
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| 59 | int i; |
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| 60 | |||
| 61 | readfile(p,buf,sizeof(buf)); |
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| 62 | if(buf[0]!=tag_string[1]) i=0; else i=1; |
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| 8155 | bpr | 63 | for(pp=strstr(buf,tag_string); pp!=NULL; i++, pp=strstr(pp+1,tag_string)); |
| 10 | reyssat | 64 | return i; |
| 65 | } |
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| 66 | |||
| 8155 | bpr | 67 | /* datafile structure: find record n, starting from 1 */ |
| 10 | reyssat | 68 | char *datafile_fnd_record(char *p, int n, char bf[]) |
| 69 | { |
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| 70 | char *pp, *p2, buf[MAX_FILELEN+1]; |
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| 71 | int i; |
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| 72 | |||
| 73 | bf[0]=0; |
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| 74 | if(n<0) return bf; |
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| 75 | readfile(p,buf,sizeof(buf)); |
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| 76 | if(buf[0]!=tag_string[1]) i=0; else i=1; |
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| 77 | if(i<n) { |
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| 8849 | bpr | 78 | for(i++, pp=strstr(buf,tag_string); |
| 79 | i<n && pp!=NULL; |
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| 80 | i++, pp=strstr(pp+1,tag_string)); |
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| 10 | reyssat | 81 | } |
| 82 | else { |
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| 8849 | bpr | 83 | if(i>n) goto end; |
| 84 | pp=buf-1; |
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| 10 | reyssat | 85 | } |
| 86 | if(pp==NULL) { /* n too big */ |
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| 8849 | bpr | 87 | goto end; |
| 10 | reyssat | 88 | } |
| 89 | if(n>0) pp+=strlen(tag_string); else pp=buf; |
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| 90 | p2=strstr(pp,tag_string); if(p2) *p2=0; |
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| 91 | mystrncpy(bf,pp,MAX_LINELEN); |
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| 92 | end: return bf; |
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| 93 | } |