69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
#include "lslib.h"
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#include <ctype.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 <time.h>
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long int get_number(const char* text) {
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char* end;
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long int n = strtol(text, &end, 10);
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if (text == end) {
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error("%s is not a valid number", text);
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}
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return n;
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}
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long int get_blkm(const char* text) {
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char* end;
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long int n = strtol(text, &end, 10);
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if (text == end) {
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error("%s is not a valid bkm", text);
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}
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if (*end == '\0') return n;
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switch (*end) {
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case 'K':
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case 'k':
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return n * 1024;
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case 'B':
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case 'b':
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return n * 512;
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case 'M':
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case 'm':
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return n * 1024 * 1204;
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default:
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error("invalid bkm type %c", *end);
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}
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/* shouldnt get here anyways */
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return 0;
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}
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mode_t get_mode(const char* next) {
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char* end = NULL;
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mode_t mode = (mode_t)strtol(next, &end, 8);
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if (!end) return 0;
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while(isspace(*end)) end++;
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if (*end != '\0' || (unsigned) mode >= 010000) {
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error("invalid file mode: `%s`", next);
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}
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return mode;
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}
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bool streql(const char* a, const char* b) {
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int n = 0;
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if (*a != *b) return false;
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while (true) {
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if (*(a+n) != *(b+n)) return false;
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if (*(a+n) == '\0') return true;
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++n;
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}
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}
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bool prefix(const char* pre, const char* str) {
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return strncmp(pre, str, strlen(pre)) == 0;
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}
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