ckolivas/lrzip
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Do a sanity check on infile in lrzip to ensure it's working on a file it can compress.

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This commit is contained in:
Con Kolivas 2011-04-22 19:23:40 +10:00
parent c1c44352e0
commit e8824afa1b
1 changed files with 19 additions and 2 deletions
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21
main.c
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@ -35,6 +35,12 @@
#ifdef HAVE_SYS_RESOURCE_H
# include <sys/resource.h>
#endif
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#include <math.h>
#include <termios.h>
#ifdef HAVE_ENDIAN_H
@ -718,8 +724,19 @@ int main(int argc, char *argv[])
control.infile = argv[i];
else if (!(i == 0 && STDIN))
break;
if (control.infile && (strcmp(control.infile, "-") == 0))
control.flags |= FLAG_STDIN;
if (control.infile) {
if ((strcmp(control.infile, "-") == 0))
control.flags |= FLAG_STDIN;
else {
struct stat infile_stat;
stat(control.infile, &infile_stat);
if (unlikely(!S_ISREG(infile_stat.st_mode) &&
!S_ISLNK(infile_stat.st_mode)))
failure("lrzip only works directly on FILES.\n"
"Use lrztar or pipe through tar for compressing directories.\n");
}
}
if (INFO && STDIN)
failure("Will not get file info from STDIN\n");