Subversion Repositories SvarDOS

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Ignore whitespace Rev 252 → Rev 253

/pkginst/pkgrem.c
10,13 → 10,10
#include <unistd.h> /* rmdir(), unlink() */
#include <direct.h> /* watcom needs this for the rmdir() prototype */
 
#include "fileexst.h"
#include "getdelim.h"
#include "helpers.h" /* slash2backslash() */
#include "kprintf.h"
 
#include "pkgrem.h"
#include "rtrim.h"
#include "version.h"
 
 
struct dirliststruct {
68,81 → 65,53
/* removes a package from the system. Returns 0 on success, non-zero otherwise */
int pkgrem(const char *pkgname, const char *dosdir) {
char fpath[256];
char shellcmd[256];
char *lineptr;
char buff[256];
FILE *flist;
int getdelimlen;
int lastdirsep;
int x;
size_t getdelimcount = 0;
struct dirliststruct *dirlist = NULL; /* used to remember directories to remove */
char pkglistfile[256];
 
/* Check if the file %DOSDIR%\packages\pkgname.lst exists (if not, the package is not installed) */
/* open the file %DOSDIR%\packages\pkgname.lst */
sprintf(fpath, "%s\\packages\\%s.lst", dosdir, pkgname);
if (fileexists(fpath) == 0) { /* file does not exist */
flist = fopen(fpath, "rb");
if (flist == NULL) {
kitten_printf(4, 0, "Package %s is not installed, so not removed.", pkgname);
puts("");
return(-1);
}
 
/* open the file %DOSDIR%\packages\pkgname.lst */
flist = fopen(fpath, "r");
if (flist == NULL) {
kitten_puts(4, 1, "Error opening lst file!");
return(-2);
}
/* remove all files/folders listed in pkgname.lst but NOT pkgname.lst */
while (freadtokval(flist, buff, sizeof(buff), NULL, 0) == 0) {
int x;
slash2backslash(buff); /* change all slash to backslash */
if (buff[0] == 0) continue; /* skip empty lines */
 
sprintf(pkglistfile, "packages\\%s.lst", pkgname);
 
/* remove all files/folders listed in pkgname.lst but NOT pkgname.lst */
for (;;) {
/* read line from file */
lineptr = NULL;
getdelimlen = getdelim(&lineptr, &getdelimcount, '\n', flist);
if (getdelimlen < 0) {
free(lineptr);
break;
}
rtrim(lineptr); /* right-trim the filename */
slash2backslash(lineptr); /* change all / to \ */
if ((lineptr[0] == 0) || (lineptr[0] == '\r') || (lineptr[0] == '\n')) {
free(lineptr); /* free the memory occupied by the line */
continue; /* skip empty lines */
}
/* remember the path part for removal later */
lastdirsep = -1;
for (x = 1; lineptr[x] != 0; x++) {
if ((lineptr[x] == '\\') && (lineptr[x - 1] != ':')) lastdirsep = x;
for (x = 1; buff[x] != 0; x++) {
if ((buff[x] == '\\') && (buff[x - 1] != ':')) lastdirsep = x;
}
if (lastdirsep > 0) {
lineptr[lastdirsep] = 0;
dirlist = rememberpath(dirlist, lineptr);
lineptr[lastdirsep] = '\\';
buff[lastdirsep] = 0;
dirlist = rememberpath(dirlist, buff);
buff[lastdirsep] = '\\';
}
 
/* if it's a directory, skip it */
if (lineptr[strlen(lineptr) - 1] == '\\') {
free(lineptr); /* free the memory occupied by the line */
continue;
}
/* it's a file - remove it */
if (strcasecmp(pkglistfile, lineptr) != 0) { /* never delete pkgname.lst at this point - it will be deleted later */
if ((lineptr[0] == '\\') || (lineptr[1] == ':')) { /* this is an absolute path */
sprintf(shellcmd, "%s", lineptr);
} else { /* else it's a relative path starting at %dosdir% */
sprintf(shellcmd, "%s\\%s", dosdir, lineptr);
}
kitten_printf(4, 4, "removing %s", shellcmd);
puts("");
unlink(shellcmd);
}
free(lineptr); /* free the memory occupied by the line */
if (buff[strlen(buff) - 1] == '\\') continue;
 
/* do not delete pkgname.lst at this point - I am using it (will be deleted later) */
if (strcasecmp(buff, fpath) == 0) continue;
 
/* remove it */
kitten_printf(4, 4, "removing %s", buff);
puts("");
unlink(buff);
}
 
/* close the file */
/* close the lst file */
fclose(flist);
 
/* iterate through dirlist and remove directories if empty, from longest to shortest */
/* iterate over dirlist and remove directories if empty, from longest to shortest */
while (dirlist != NULL) {
struct dirliststruct *dirlistpos, *previousdir;
/* find the longest path, and put it on top */
157,13 → 126,8
previousdir = dirlistpos;
}
}
if ((dirlist->dirname[0] == '\\') || (dirlist->dirname[1] == ':')) { /* this is an absolute path */
sprintf(shellcmd, "%s", dirlist->dirname);
} else { /* else it's a relative path starting at %dosdir% */
sprintf(shellcmd, "%s\\%s", dosdir, dirlist->dirname);
}
/* printf("RMDIR %s\n", shellcmd); */
rmdir(shellcmd);
/* printf("RMDIR %s\n", dirlist->dirname); */
rmdir(dirlist->dirname);
/* free the allocated memory for this entry */
dirlistpos = dirlist;
dirlist = dirlistpos->next;
170,7 → 134,7
free(dirlistpos);
}
 
/* remove %DOSDIR%\packages\pkgname.lst */
/* remove the lst file */
unlink(fpath);
kitten_printf(4, 5, "Package %s has been removed.", pkgname);
puts("");