forked from poz/modfetch
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
#include "../mod.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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uint8_t version_major(void) { return 0; }
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uint8_t version_minor(void) { return 1; }
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uint8_t version_patch(void) { return 0; }
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const char *module_name(void) { return "os"; }
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void init(char **config) {
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(void)config;
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}
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const char *get(void) {
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char *ret;
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FILE *os_release = fopen("/etc/os-release", "r");
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if (os_release == NULL) {
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fprintf(stderr, "error: failed opening /etc/os-release\n");
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exit(EXIT_FAILURE);
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}
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size_t len = 0;
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ssize_t read;
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char *line = NULL;
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char *name = malloc(1024 * sizeof(char));
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const char *name_label = "PRETTY_NAME=";
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const size_t name_label_len = strlen(name_label);
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while ((read = getline(&line, &len, os_release)) != -1) {
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if (strncmp(line, name_label, name_label_len) != 0) {
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continue;
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}
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// + 1 because of "
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line += name_label_len + 1;
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const size_t new_len = strlen(line);
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// the ending "
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line[new_len - 2] = '\0';
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name = line;
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break;
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}
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if (asprintf(&ret, "OS: %s", name) < 0) {
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fprintf(stderr, "error: failed formatting string (this shouldn't happen)");
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exit(EXIT_FAILURE);
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}
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return ret;
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}
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