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opening files using mimetypes defined in config.h

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nova
2025-06-18 04:08:02 +02:00
parent 1485d69cad
commit f99035629a
10 changed files with 106 additions and 41 deletions
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47
file_previews.c
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@ -4,15 +4,12 @@
#include "defines.h"
char* text(char *path, unsigned long *file_size);
char* preview_file(char *path, unsigned long file_size){
/* this calls "file" on path */
char *file_buffer;
unsigned long cmd_size = 0;
char* get_mimetype(char *path){
static char *cmd_str = "file --mime-type -b ./\"";
unsigned long cmd_len = strlen(cmd_str);
unsigned int path_len = strlen(path);
char *cmd = malloc((cmd_len + path_len) + 2);
memset(cmd, ' ', cmd_len + path_len);
memcpy(cmd, cmd_str, cmd_len);
@ -23,23 +20,37 @@ char* preview_file(char *path, unsigned long file_size){
FILE *cmd_open = popen(cmd, "r");
char *line;
size_t size = 0;
char *tmp = getline(&line, &size, cmd_open);
cmd_size = strlen(line);
getline(&line, &size, cmd_open);
pclose(cmd_open);
return line;
}
char* preview_file(char *path, unsigned long file_size){
/* this calls "file" on path */
if (strstr(line, "text")) {
char *file_buffer;
char *mime = get_mimetype(path);
unsigned int mime_len = strlen(mime);
if (strstr(mime, "text")) {
file_buffer = text(path, &file_size);
} else {
file_buffer = malloc(cmd_size + 1);
memset(file_buffer, ' ', cmd_size);
memcpy(file_buffer, line, cmd_size);
file_buffer[cmd_size] = '\0';
file_buffer = malloc(mime_len + 1);
memset(file_buffer, ' ', mime_len);
memcpy(file_buffer, mime, mime_len);
file_buffer[mime_len] = '\0';
}
free(cmd);
free(mime);
return file_buffer;
}
char* text(char *path, unsigned long *file_size) {
char* text(char *path, unsigned long *file_size){
char *file_buffer = malloc(*file_size + 1);
FILE *fp = fopen(path, "r");
@ -48,11 +59,3 @@ char* text(char *path, unsigned long *file_size) {
return file_buffer;
}
/*
FILE *cmd_open = popen(cmd, "r");
memset(file_buffer, ' ', file_size);
fread(file_buffer, file_size, 1, cmd_open);
file_buffer[file_size] = '\0';
pclose(cmd_open);
return file_buffer;
*/