ckolivas/lrzip
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fix to allow compression in lrzip.conf to be overridden by command line choice.

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This commit is contained in:
Peter Hyman 2019-10-27 11:17:46 -05:00
parent b922018128
commit 8eb867e5f0
2 changed files with 11 additions and 7 deletions
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2
doc/lrzip.conf.example
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@ -13,7 +13,7 @@
# Use -U setting, Unlimited ram. Yes or No
# UNLIMITED = NO
# Compression Method, rzip, gzip, bzip2, lzo, or lzma (default), or zpaq. (-n -g -b -l --lzma -z)
# If specified here, command line options not usable.
# May be overriden by command line compression choice.
# COMPRESSIONMETHOD = lzma
# Perform LZO Test. Default = YES (-T )
# LZOTEST = NO

16
main.c
View file

@ -308,7 +308,7 @@ static const char *coptions = "bcCdefghHikKlLnN:o:O:p:PrS:tTUm:vVw:z?123456789";
int main(int argc, char *argv[])
{
bool lrzcat = false, compat = false, recurse = false;
bool options_file = false; /* for environment and tracking of compression setting */
bool options_file = false, conf_file_compression_set = false; /* for environment and tracking of compression setting */
struct timeval start_time, end_time;
struct sigaction handler;
double seconds,total_time; // for timers
@ -353,10 +353,8 @@ int main(int argc, char *argv[])
options_file = read_config(control);
else if (!strstr(eptr,"NOCONFIG"))
options_file = read_config(control);
if (options_file)
if (control->flags & FLAG_NOT_LZMA) /* if compression set in conf file */
control->flags &= ~FLAG_NOT_LZMA; /* clear compression flags (LZMA now default) */
if (options_file && (control->flags & FLAG_NOT_LZMA)) /* if some compression set in lrzip.conf */
conf_file_compression_set = true; /* need this to allow command line override */
while ((c = getopt_long(argc, argv, compat ? coptions : loptions, long_options, &i)) != -1) {
switch (c) {
@ -365,9 +363,13 @@ int main(int argc, char *argv[])
case 'l':
case 'n':
case 'z':
if (control->flags & FLAG_NOT_LZMA)
/* If some compression was chosen in lrzip.conf, allow this one time
* because conf_file_compression_set will be true
*/
if ((control->flags & FLAG_NOT_LZMA) && conf_file_compression_set == false)
failure("Can only use one of -l, -b, -g, -z or -n\n");
/* Select Compression Mode */
control->flags &= ~FLAG_NOT_LZMA; /* must clear all compressions first */
if (c == 'b')
control->flags |= FLAG_BZIP2_COMPRESS;
else if (c == 'g')
@ -378,6 +380,8 @@ int main(int argc, char *argv[])
control->flags |= FLAG_NO_COMPRESS;
else if (c == 'z')
control->flags |= FLAG_ZPAQ_COMPRESS;
/* now FLAG_NOT_LZMA will evaluate as true */
conf_file_compression_set = false;
break;
case '/': /* LZMA Compress selected */
control->flags &= ~FLAG_NOT_LZMA; /* clear alternate compression flags */