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authorDavid Kalnischkies <david@kalnischkies.de>2014-03-10 01:49:37 +0100
committerDavid Kalnischkies <david@kalnischkies.de>2014-03-13 13:58:46 +0100
commit12844170ad33d96cb0c5fa411f4eb62fea6e3d5d (patch)
treeffbfff3aa0edbf3b80678530076b7d4ee09bd124 /apt-pkg
parenta0975c8d97f06ac116c5cea9a98993817ced0e86 (diff)
support very long mtab entries in mountpoint discovery
Old code limited lines to 250 characters which is probably enough for everybody, but who knows… It also takes care of device nodes which start with the same prefix.
Diffstat (limited to 'apt-pkg')
-rw-r--r--apt-pkg/contrib/cdromutl.cc48
1 files changed, 23 insertions, 25 deletions
diff --git a/apt-pkg/contrib/cdromutl.cc b/apt-pkg/contrib/cdromutl.cc
index f850e08a5..936e377fb 100644
--- a/apt-pkg/contrib/cdromutl.cc
+++ b/apt-pkg/contrib/cdromutl.cc
@@ -23,6 +23,7 @@
#include <string.h>
#include <iostream>
#include <string>
+#include <vector>
#include <sys/statvfs.h>
#include <dirent.h>
#include <fcntl.h>
@@ -262,37 +263,34 @@ bool IdentCdrom(string CD,string &Res,unsigned int Version)
return true;
}
/*}}}*/
-
// FindMountPointForDevice - Find mountpoint for the given device /*{{{*/
string FindMountPointForDevice(const char *devnode)
{
- char buf[255];
- char *out[10];
- int i=0;
-
// this is the order that mount uses as well
- const char *mount[] = { "/etc/mtab",
- "/proc/mount",
- NULL };
+ std::vector<std::string> const mounts = _config->FindVector("Dir::state::MountPoints", "/etc/mtab,/proc/mount");
- for (i=0; mount[i] != NULL; i++) {
- if (FileExists(mount[i])) {
- FILE *f=fopen(mount[i], "r");
- while ( fgets(buf, sizeof(buf), f) != NULL) {
- if (strncmp(buf, devnode, strlen(devnode)) == 0) {
- if(TokSplitString(' ', buf, out, 10))
- {
- fclose(f);
- // unescape the \0XXX chars in the path
- string mount_point = out[1];
- return DeEscapeString(mount_point);
- }
- }
- }
- fclose(f);
+ for (std::vector<std::string>::const_iterator m = mounts.begin(); m != mounts.end(); ++m)
+ if (FileExists(*m) == true)
+ {
+ char * line = NULL;
+ size_t line_len = 0;
+ FILE * f = fopen(m->c_str(), "r");
+ while(getline(&line, &line_len, f) != -1)
+ {
+ char * out[] = { NULL, NULL, NULL };
+ TokSplitString(' ', line, out, 3);
+ if (out[2] != NULL || out[1] == NULL || out[0] == NULL)
+ continue;
+ if (strcmp(out[0], devnode) != 0)
+ continue;
+ fclose(f);
+ // unescape the \0XXX chars in the path
+ string mount_point = out[1];
+ return DeEscapeString(mount_point);
+ }
+ fclose(f);
}
- }
-
+
return string();
}
/*}}}*/