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New -osirrox option sparse= controls extraction into sparse files

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This commit is contained in:
Thomas Schmitt
2020-11-03 09:27:41 +01:00
parent 66fe150831
commit 05de7ec5ee
13 changed files with 464 additions and 82 deletions
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17
xorriso/misc_funct.c
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@ -1,7 +1,7 @@
/* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
Copyright 2007-2019 Thomas Schmitt, <scdbackup@gmx.net>
Copyright 2007-2020 Thomas Schmitt, <scdbackup@gmx.net>
Provided under GPL version 2 or later.
@ -1367,3 +1367,18 @@ int Xorriso__format_guid(uint8_t guid[16], char *text, int flag)
return(1);
}
int Xorriso__parse_size_param(char *cpt, int key_l, int l, double *num)
{
char text[16];
*num= 0.0;
if(l <= key_l || l >= key_l + 16)
return(0);
strncpy(text, cpt + key_l, l - key_l);
text[l - key_l]= 0;
*num= Scanf_io_size(text, 0);
return(1);
}