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Diffstat (limited to 'src/util/shared.c')
-rw-r--r--src/util/shared.c372
1 files changed, 0 insertions, 372 deletions
diff --git a/src/util/shared.c b/src/util/shared.c
deleted file mode 100644
index 2e0c98a..0000000
--- a/src/util/shared.c
+++ /dev/null
@@ -1,372 +0,0 @@
-#include "shared.h"
-
-#include <ctype.h>
-#include <errno.h>
-#include <limits.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <sys/stat.h>
-#include <paths.h>
-
-extern char* cmd;
-
-void error_s(const char *format, ...) {
- va_list list;
- va_start(list, format);
-
- fprintf(stderr, "%s: ", cmd);
- vfprintf(stderr, format, list);
- fprintf(stderr, "\n");
-}
-
-void error(const char *format, ...) {
- va_list list;
- va_start(list, format);
-
- fprintf(stderr, "%s: ", cmd);
- vfprintf(stderr, format, list);
- fprintf(stderr, "\n");
- exit(EXIT_FAILURE);
-}
-
-void output(const char *format, ...) {
- va_list list;
- va_start(list, format);
-
- fprintf(stdout, "%s: ", cmd);
- vfprintf(stdout, format, list);
- fprintf(stdout, "\n");
-}
-
-FILE* get_file_s(const char* path, const char* type) {
- struct stat s;
- FILE* file;
-
- if (streql("-", path) && type[0] == 'r') {
- clearerr(stdin);
- fflush(stdin);
- return stdin;
- }
-
- if (lstat(path, &s) < 0) {
- if (type[0] != 'r') goto read;
- error_s("failed to read %s: %s", path, strerror(errno));
- return NULL;
- }
-
- if (S_ISDIR(s.st_mode)) {
- error_s("%s is a directory", path);
- return NULL;
- }
-
-read:
-
- file = fopen(path, type);
-
- if (file == NULL) {
- error_s("failed to %s file %s: %s", type[0] == 'r' ? "read" : "write", path, strerror(errno));
- }
-
- return file;
-}
-
-FILE* get_file(const char* path, const char* type) {
- FILE* file = get_file_s(path, type);
- if (file == NULL) exit(EXIT_FAILURE);
- return file;
-}
-
-long int get_number(const char* text) {
- char* end;
- long int n = strtol(text, &end, 10);
- if (text == end) {
- error("%s is not a valid number", text);
- }
- return n;
-}
-
-long int get_blkm(const char* text) {
- char* end;
- long int n = strtol(text, &end, 10);
- if (text == end) {
- error("%s is not a valid bkm", text);
- }
- if (*end == '\0') return n;
- switch (*end) {
- case 'K':
- case 'k':
- return n * 1024;
- case 'B':
- case 'b':
- return n * 512;
- case 'M':
- case 'm':
- return n * 1024 * 1204;
- default:
- error("invalid bkm type %c", *end);
- }
-
- /* shouldnt get here anyways */
- return 0;
-}
-
-mode_t get_mode(const char* next) {
- char* end = NULL;
- mode_t mode = (mode_t)strtol(next, &end, 8);
- if (!end) return 0;
- while(isspace(*end)) end++;
- if (*end != '\0' || (unsigned) mode < 010000) {
- error("invalid file mode: `%s`", next);
- }
- return mode;
-}
-
-bool streql(const char* a, const char* b) {
- int n = 0;
-
- if (*a != *b) return false;
-
- while (true) {
- if (*(a+n) != *(b+n)) return false;
- if (*(a+n) == '\0') return true;
- ++n;
- }
-}
-
-bool prefix(const char* pre, const char* str) {
- return strncmp(pre, str, strlen(pre)) == 0;
-}
-
-static char fs_types[5] = {'K','M','G','T','P'};
-void print_file_size(size_t bytes, char buf[5]) {
- int index, n;
- float next;
-
- index = 0;
- next = bytes;
-
- while (true) {
- if (next < 1000) {
- break;
- }
-
- if (index == 5) {
- printf("999P");
- return;
- }
-
- next /= 1024;
- index++;
- }
-
- n = snprintf(buf, 4, "%u", (int)(next+.5));
-
- if (index > 0) {
- buf[n] = (fs_types[index - 1]);
- n++;
- }
-
- buf[n] = '\0';
-}
-
-static char* months[12] =
- {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
-void print_date_time(time_t mills, char buf[13]) {
- struct tm* info;
- int n;
-
- info = localtime(&mills);
- n = snprintf(buf, 5, "%s ", months[info->tm_mon]);
-
- if (info->tm_mday < 10) {
- buf[n] = ' ';
- n++;
- }
-
- snprintf(buf + n, 13 - n, "%d %02d:%02d ", info->tm_mday, info->tm_hour, info->tm_sec);
-}
-
-void print_file_path(char* path) {
- if (streql("-", path)) {
- printf("(standard input)");
- } else {
- printf("%s", path);
- }
-}
-
-#ifndef MAJOR
-#define MAJOR 0
-#endif
-
-#ifndef MINOR
-#define MINOR 0
-#endif
-
-#ifndef PATCH
-#define PATCH 0
-#endif
-
-void check_arg (char* arg) {
- if (arg == NULL) {
- error("expected another argument after option");
- }
-}
-
-void global_help(void (*help)(void)) {
- printf("LazySphere v%d.%d.%d multi-call binary.\n\n", MAJOR, MINOR, PATCH);
- help();
- exit(EXIT_SUCCESS);
-}
-
-void parse_help(int argc, char** argv, void (*help)(void)) {
- int i;
-
- if (argc < 1) return;
-
- for (i = 0; i < argc; i++) {
- if (!prefix("-", argv[i]) || streql("-", argv[i])) break;
- if (help != NULL && streql("--help", argv[i])) global_help(help);
- }
-}
-
-int parse_args(int argc, char** argv, void (*help)(void), int (*short_arg)(char, char*), int (*long_arg)(char*, char*)) {
- int start, i, current;
- char* next_arg;
-
- if (argc < 1) return 0;
-
- start = 0;
- for (i = 0; i < argc; i++) {
-
- if (!prefix("-", argv[i]) || streql("-", argv[i])) break;
- if (help != NULL && streql("--help", argv[i])) global_help(help);
-
- if (i + 1 == argc) {
- next_arg = NULL;
- } else {
- next_arg = argv[i+1];
- }
-
- current = i;
-
- if (prefix("--", argv[i])) {
- int r;
-
- if (long_arg == NULL) {
- goto exit;
- }
-
- r = long_arg(argv[current], next_arg);
-
- if (r == ARG_USED) {
- i++;
- start++;
- } else if (r == ARG_IGNORE) {
- goto exit;
- } else if (r == ARG_INVALID) {
- error("invalid argument %s", argv[current]);
-
- }
- } else {
- size_t j;
- int r;
-
- if (short_arg == NULL) {
- goto exit;
- }
-
- for (j = 1; j < strlen(argv[current]); j++) {
-
- r = short_arg(argv[current][j], next_arg);
-
- if (r == ARG_USED) {
- i++;
- start++;
- } else if (r == ARG_IGNORE) {
- goto exit;
- } else if (r == ARG_INVALID) {
- error("invalid argument -%c", argv[current][j]);
- }
- }
- }
-
- start++;
- }
-
-exit:
-
- return start;
-}
-
-int get_tty (void) {
- int fd = open(_PATH_TTY, O_RDONLY);
- if (fd < 0) error("failed to get tty: %s", strerror(errno));
- return fd;
-}
-
-FILE* get_tty_stream(char* type) {
- int fd = get_tty();
- FILE* file = fdopen(fd, type);
- if (file == NULL) {
- error("failed to open tty stream: %s", strerror(errno));
- }
- return file;
-}
-
-static int push_path_buffer_b(char* buf, int* index, const char* string) {
- int save, string_len;
-
- save = *index;
- if (*index > 1 || (*index == 1 && buf[0] != '/')) {
- buf[(*index)++] = '/';
- }
-
- string_len = strlen(string);
- memcpy(buf + *index, string, string_len + 1);
-
- *index += string_len;
-
- return save;
-}
-
-static void pop_path_buffer_b(char* buf, int* index, int i) {
- *index = i;
- buf[*index] = '\0';
-}
-
-static char path_buffer[PATH_MAX + 1];
-static int path_buffer_index = 0;
-
-char* get_path_buffer(void) {
- return path_buffer;
-}
-
-int push_path_buffer(const char* string) {
- return push_path_buffer_b(path_buffer, &path_buffer_index, string);
-}
-
-void pop_path_buffer(int i) {
- pop_path_buffer_b(path_buffer, &path_buffer_index, i);
-}
-
-static char path_buffer_2[PATH_MAX + 1];
-static int path_buffer_index_2 = 0;
-
-char* get_path_buffer_2(void) {
- return path_buffer_2;
-}
-
-int push_path_buffer_2(const char* string) {
- return push_path_buffer_b(path_buffer_2, &path_buffer_index_2, string);
-}
-
-void pop_path_buffer_2(int i) {
- pop_path_buffer_b(path_buffer_2, &path_buffer_index_2, i);
-}
-
-bool is_dot_dir(const char* path) {
- return streql(path, ".") || streql(path, "..");
-}
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