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-O2 related refactoring

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nova
2025-07-09 01:09:45 +02:00
parent b6f9633677
commit d96046ac44
10 changed files with 136 additions and 95 deletions
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30
file_previews.c
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@ -22,9 +22,13 @@ char* get_mimetype(char *path){
FILE *cmd_open = popen(cmd, "r");
char *line;
size_t size = 0;
getline(&line, &size, cmd_open);
pclose(cmd_open);
return line;
if (getline(&line, &size, cmd_open) != -1){
pclose(cmd_open);
return line;
} else {
pclose(cmd_open);
return "unknown";
}
}
char* preview_file(file *file_current){
/* this calls "file" on path */
@ -47,10 +51,12 @@ char* text(char *path, unsigned long *file_size){
char *file_buffer = malloc(*file_size + 1);
FILE *fp = fopen(path, "r");
fread(file_buffer, *file_size, 1, fp);
file_buffer[*file_size] = '\0';
return file_buffer;
if (fread(file_buffer, *file_size, 1, fp) != 0) {
file_buffer[*file_size] = '\0';
return file_buffer;
} else {
return "failed reading file";
}
}
char* generic(char *path){
char *cmd = concat("file ./\"", path);
@ -59,7 +65,11 @@ char* generic(char *path){
FILE *cmd_open = popen(cmd, "r");
char *line;
size_t size = 0;
getline(&line, &size, cmd_open);
pclose(cmd_open);
return line;
if (getline(&line, &size, cmd_open) != -1) {
pclose(cmd_open);
return line;
} else {
pclose(cmd_open);
return "failed executing shell command \"file\"";
}
}