ckolivas/lrzip
1
0
Fork 0
mirror of https://github.com/ckolivas/lrzip.git synced 2025-12-06 07:12:00 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Try /tmp/ if none of the temporary environment directories or the current directory are writeable

Browse source
This commit is contained in:
Con Kolivas 2015-04-16 16:20:27 +10:00
parent fbd56ce9c7
commit 788a70e6f6
1 changed files with 20 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
lrzip.c
View file

@ -424,22 +424,38 @@ bool write_fdin(rzip_control *control)
/* Open a temporary inputfile to perform stdin decompression */
int open_tmpinfile(rzip_control *control)
{
int fd_in;
int fd_in = -1;
/* Use temporary directory if there is one */
if (control->tmpdir) {
control->infile = malloc(strlen(control->tmpdir) + 15);
if (unlikely(!control->infile))
fatal_return(("Failed to allocate infile name\n"), -1);
strcpy(control->infile, control->tmpdir);
strcat(control->infile, "lrzipin.XXXXXX");
} else {
control->infile = malloc(15);
fd_in = mkstemp(control->infile);
}
/* Try the current directory */
if (fd_in == -1) {
free(control->infile);
control->infile = malloc(16);
if (unlikely(!control->infile))
fatal_return(("Failed to allocate infile name\n"), -1);
strcpy(control->infile, "lrzipin.XXXXXX");
fd_in = mkstemp(control->infile);
}
/* Use /tmp if nothing is writeable so far */
if (fd_in == -1) {
free(control->infile);
control->infile = malloc(20);
if (unlikely(!control->infile))
fatal_return(("Failed to allocate infile name\n"), -1);
strcpy(control->infile, "/tmp/lrzipin.XXXXXX");
fd_in = mkstemp(control->infile);
}
if (unlikely(fd_in == -1))
fatal_return(("Failed to create in tmpfile: %s\n", control->infile), -1);
register_infile(control, control->infile, (DECOMPRESS || TEST_ONLY) && STDIN);