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Fixed getuid()/geteuid() problem causing modprobe post-install

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scripts to fail.  Updated usage information.
This commit is contained in:
David Schleef 2001-07-05 05:21:44 +00:00
parent abd10aa214
commit a463bd34cb
1 changed files with 34 additions and 32 deletions
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66
comedi_config/comedi_config.c
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@ -21,7 +21,7 @@
*/
#define CC_VERSION "0.7.13"
#define CC_VERSION "0.7.16"
#include <sys/types.h>
#include <sys/stat.h>
@ -61,31 +61,31 @@ struct option options[] = {
void do_help(int i)
{
fputs(
"comedi_config version " CC_VERSION "\n"
"usage: comedi_config [OPTIONS] <device file> [<driver> <opt1>,<opt2>,...]\n"
"\n"
"OPTIONS:\n"
"\t-v --verbose\n"
"\t\tverbose output\n"
"\t-q --quiet\n"
"\t\tquiet output\n"
"\t-V --version\n"
"\t\tprint program version\n"
"\t-i --init-data <filename>\n"
"\t\tI don't know what this does\n"
"\t-r --remove\n"
"\t\tremove previously configured driver\n"
"\t--read-buffer <size>\n"
"\t\tset buffer size in kilobytes used for reads from the <device file>\n"
"\t--write-buffer <size>\n"
"\t\tset buffer size in kilobytes used for writes to the <device file>\n"
"\n"
"<optN> are integers whose interpretation depends on\n"
"the driver. In general, however, for non-plug-and-play boards\n"
"opt1 refers to the I/O port address and opt2 refers to IRQ number\n"
"to be used by the driver. For plug-and-play boards, opt1 and opt2\n"
"are optional and allow you to specify the bus and slot of the card\n"
"(in case you have two identical cards).\n"
"comedi_config version " CC_VERSION "\n"
"usage: comedi_config [OPTIONS] <device file> [<driver> <opt1>,<opt2>,...]\n"
"\n"
"OPTIONS:\n"
" -v --verbose\n"
" verbose output\n"
" -q --quiet\n"
" quiet output\n"
" -V --version\n"
" print program version\n"
" -i --init-data <filename>\n"
" Use file for driver initialization data, typically firmware code.\n"
" -r --remove\n"
" remove previously configured driver\n"
" --read-buffer <size>\n"
" set buffer size in kilobytes used for reading\n"
" --write-buffer <size>\n"
" set buffer size in kilobytes used for writing\n"
"\n"
" <optN> are integers whose interpretation is driver dependent."
" In general, for PCI boards, <opt1> and <opt2> refer to the bus/slot\n"
" indices of the board. If not specified, a board will automatically\n"
" be chosen. For non-PCI boards, <opt1> specifies the I/O port base\n"
" address and, if applicable, <opt2> specifies the IRQ. Additional\n"
" options may be useful, see the Comedi documentation for details.\n"
,stderr);
exit(i);
}
@ -104,12 +104,8 @@ int main(int argc,char *argv[])
int remove=0;
int index;
if(getuid() != 0)
{
errno = EPERM;
perror(argv[0]);
exit(1);
}
if(geteuid() != 0)
fprintf(stderr,"comedi_config should be run as root. Attempting to continue anyway.\n");
while(1){
c=getopt_long(argc, argv, "rvVqi:", options, &index);
@ -165,6 +161,12 @@ int main(int argc,char *argv[])
case ENODEV:
fprintf(stderr,"comedi.o not loaded\n");
break;
case ENXIO:
fprintf(stderr,"device not configured\n");
break;
case EPERM:
fprintf(stderr,"modprobe problem\n");
break;
default:
perror(fn);
break;