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/************************************************************************
* lib.c
* nodau console note taker
* Copyright (C) Lisa Milne 2010-2012 <lisa@ltmnet.com>
*
* lib.c is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* lib.c is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
* In addition, as a special exception, the copyright holder (Lisa Milne)
* gives permission to link the code of this release of nodau with the
* OpenSSL project's "OpenSSL" library (or with modified versions of it
* that use the same license as the "OpenSSL" library), and distribute
* the linked executables. You must obey the GNU General Public License
* in all respects for all of the code used other than "OpenSSL". If you
* modify this file, you may extend this exception to your version of the
* file, but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version.
************************************************************************/
/* so that asprintf works */
#define _GNU_SOURCE
#include "nodau.h"
/* create a temporary datemask file and set DATEMSK so getdate() works */
void create_datemask()
{
FILE *dm;
char* dmfn;
/* get the users home directory */
char* home = getenv("HOME");
/* create the filename */
if (asprintf(&dmfn,"%s/.datemask",home) < 0)
return;
/* try to open the file */
dm = fopen(dmfn,"r");
/* if it didn't open, we need to create the file */
if (dm == NULL) {
/* let the user know about it */
printf(
"\nSet environment variable DATEMSK to the file\n"
"containing the date templates\n"
"see 'man 3 getdate'.\n"
"A temporary datemask file will be installed in %s\n\n",
dmfn
);
/* create the file */
dm = fopen(dmfn,"w+");
/* or error */
if (dm == NULL) {
fprintf(stderr,"could not create temporary datemask\n");
return;
}
/* insert some datemasks */
fprintf(dm,
"%%m\n"
"%%A %%B %%d, %%Y, %%H:%%M:%%S\n"
"%%A\n"
"%%B\n"
"%%m/%%d/%%y %%I %%p\n"
"%%d/%%m/%%y\n"
"%%d, %%m, %%Y %%H:%%M\n"
"at %%A the %%dst of %%B in %%Y\n"
"run job at %%I %%p, %%B %%dnd\n"
"&A den %%d. %%B %%Y %%H.%%M Uhr\n"
);
}
/* close the file */
fclose(dm);
/* set the DATEMSK environment variable */
setenv("DATEMSK",dmfn,1);
free(dmfn);
}
int dir_create(char* p)
{
mode_t process_mask = umask(0);
mode_t mode = S_IRWXU;
char *q, *r = NULL, *path = NULL, *up = NULL;
int ret = 1;
if (!strcmp(p, ".") || !strcmp(p, "/")) {
umask(process_mask);
return 0;
}
if ((path = strdup(p)) == NULL)
goto fail;
if ((q = strdup(p)) == NULL)
goto fail;
if ((r = dirname(q)) == NULL)
goto out;
if ((up = strdup(r)) == NULL)
goto fail;
if ((dir_create(up) == -1) && (errno != EEXIST))
goto out;
if ((mkdir(path, mode) == -1) && (errno != EEXIST))
ret = 1;
else
ret = 0;
out:
umask(process_mask);
if (up != NULL)
free(up);
free(q);
free(path);
return ret;
fail:
umask(process_mask);
return 1;
}
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