1 /**
2 * Journal-tools provides simple tools for keeping journal entries
3 * Copyright (C) 2023 Aaron Ball, nullspoon@oper.io
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18 #include "edit.h"
19
20 // A sloppy copy function
21 int _cp(char* src, char* dest) {
22 FILE* fdsrc = NULL;
23 FILE* fddest = NULL;
24 unsigned int buf = 0;
25
26 fdsrc = fopen(src, "r");
27 if(!fdsrc) {
28 fprintf(stderr, "Could not open %s for reading\n", src);
29 return -1;
30 }
31
32 fddest = fopen(dest, "w");
33 if(!fddest) {
34 fprintf(stderr, "Could not open %s for writing\n", dest);
35 return -1;
36 }
37
38 while((buf = fgetc(fdsrc)) != EOF)
39 fputc(buf, fddest);
40
41 fclose(fdsrc);
42 fclose(fddest);
43 return 0;
44 }
45
46 int edit_exec(char* dir, char* file, char* ext) {
47 char* editor = "vim";
48 char templatebuf[512] = {0};
49 char filebuf[512] = {0};
50 char cmdbuf[1024] = {0};
51
52 if(getenv("EDITOR") != NULL)
53 editor = getenv("EDITOR");
54
55 // Populate path and template buffers
56 snprintf(filebuf, 512, "%s/%s.%s", dir, file, ext);
57 snprintf(templatebuf, 512, "%s/.template.%s", dir, ext);
58
59 // If a template file is found, copy it to the new path before editing
60 // Only do this is the target file doesn't yet exist. No overwrite.
61 if(access(templatebuf, R_OK) == 0 && access(filebuf, R_OK) != 0)
62 if(_cp(templatebuf, filebuf) != 0)
63 exit(1);
64
65 // Construct the command and execute
66 sprintf(cmdbuf, "%s %s", editor, filebuf);
67 return system(cmdbuf);
68 }
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