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Calculate column widths

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This commit is contained in:
Nikita Ivanov 2022-06-01 21:17:47 +05:00
parent 266ed12cdb
commit d3c5a286c8
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GPG Key ID: 6E656AC5B97B5133
3 changed files with 37 additions and 2 deletions
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32
ctpv.c
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@ -8,6 +8,7 @@
#include <openssl/md5.h>
#include "error.h"
#include "utils.h"
#include "server.h"
#include "preview.h"
#include "previews.h"
@ -211,9 +212,34 @@ static int list(void)
size_t len;
Preview p, **list = get_previews_list(&len);
const char *e, *t, *s;
const char *n, *e, *t, *s;
const char header_name[] = "Name", header_ext[] = "Extension",
header_mime[] = "MIME type";
int width_name = 0, width_ext = 0;
for (size_t i = 0; i < len + 1; i++) {
if (i < len) {
p = *list[i];
n = p.name;
e = p.ext;
} else {
n = header_name;
e = header_ext;
}
int name_len = strlennull(n);
int ext_len = strlennull(e);
width_name = MAX(width_name, name_len);
width_ext = MAX(width_ext, ext_len);
}
width_name += 2, width_ext += 2;
puts("List of available previews:");
printf("\t%-*s %-*s %s\n", width_name, header_name, width_ext, header_ext,
header_mime);
for (size_t i = 0; i < len; i++) {
p = *list[i];
@ -231,10 +257,12 @@ static int list(void)
s = any_type;
}
printf("\t%-15s .%-6s %s/%s\n", p.name, e, t, s);
printf("\t%-*s .%-*s %s/%s\n", width_name, p.name, width_ext - 1, e, t,
s);
}
puts("\nNote: '" ANY_TYPE "' means that it matches any.");
return OK;
}

5
utils.c
View File

@ -82,6 +82,11 @@ int strcmpnull(char const *s1, char const *s2)
return strcmp(s1, s2);
}
int strlennull(char const *s)
{
return s ? strlen(s) : 0;
}
int get_cache_dir(char *buf, size_t len, char *name)
{
char *home, *cache_d, cache_d_buf[FILENAME_MAX];

2
utils.h
View File

@ -29,6 +29,8 @@ int spawn(char *args[], pid_t *cpid, int *exitcode, int (*cfunc)(const void *),
const void *carg);
int strcmpnull(char const *s1, char const *s2);
int strlennull(char const *s);
int get_cache_dir(char *buf, size_t len, char *name);
int mkpath(char* file_path, mode_t mode);