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cleanups

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2086 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Mark D. Studebaker committed 2003-11-22 22:27:19 +00:00
1 parent 320562a22b
commit 1ec05114f4
1 file changed
+21 -17
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prog/dump/i2cbusses.c
+21 -17
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@@ -1,7 +1,7 @@
/*
i2cbusses: print the installed i2c busses.
Part of user-space programs to access for I2C
devices.
i2cbusses: Print the installed i2c busses for both 2.4 and 2.6 kernels.
Part of user-space programs to access for I2C
devices.
Copyright (c) 1999-2003 Frodo Looijaard <frodol@dds.nl> and
Mark D. Studebaker <mdsxyz123@yahoo.com>
@@ -45,21 +45,20 @@ void print_i2c_busses()
/* look in /proc/bus/i2c */
if((fptr = fopen("/proc/bus/i2c", "r"))) {
fprintf(stderr," Installed I2C busses:\n");
while(fgets(s, 100, fptr)) {
if(count++ == 0)
fprintf(stderr," Installed I2C busses:\n");
fprintf(stderr, " %s", s);
count++;
}
fclose(fptr);
if(count == 0)
fprintf(stderr," Warning - no I2C busses found!\n");
return;
goto done;
}
/* look in sysfs */
/* First figure out where sysfs was mounted */
if ((f = fopen("/proc/mounts", "r")) == NULL)
return;
if ((f = fopen("/proc/mounts", "r")) == NULL) {
goto done;
}
while (fgets(n, NAME_MAX, f)) {
sscanf(n, "%[^ ] %[^ ] %[^ ] %*s\n", dev, sysfs, fstype);
if (strcasecmp(fstype, "sysfs") == 0) {
@@ -68,13 +67,13 @@ void print_i2c_busses()
}
}
fclose(f);
if (! foundsysfs)
return;
if (! foundsysfs) {
goto done;
}
strcat(sysfs, "/class/i2c-adapter");
dir = opendir(sysfs);
if (! dir)
return;
fprintf(stderr," Installed I2C busses:\n");
goto done;
while ((de = readdir(dir)) != NULL) {
if (!strcmp(de->d_name, "."))
continue;
@@ -85,23 +84,28 @@ void print_i2c_busses()
if ((f = fopen(n, "r")) != NULL) {
char x[120];
fgets(x, 120, f);
fclose(f);
if((border = index(x, '\n')) != NULL)
*border = 0;
if(count++ == 0)
fprintf(stderr," Installed I2C busses:\n");
/* match 2.4 /proc/bus/i2c format as closely as possible */
if(!strncmp(x, "ISA ", 4))
fprintf(stderr, " %s\t%-10s\t%-32s\t%s\n", de->d_name,
"dummy", x, "ISA bus algorithm");
else if(!sscanf(de->d_name, "i2c-%x", &tmp))
else if(!sscanf(de->d_name, "i2c-%d", &tmp))
fprintf(stderr, " %s\t%-10s\t%-32s\t%s\n", de->d_name,
"dummy", x, "Dummy bus algorithm");
else
fprintf(stderr, " %s\t%-10s\t%-32s\t%s\n", de->d_name,
"unknown", x, "Algorithm unavailable");
count++;
}
}
closedir(dir);
done:
if(count == 0)
fprintf(stderr," Warning - no I2C busses found!\n");
fprintf(stderr,"Error: No I2C busses found!\n");
}