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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | pmbaty | 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
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| 3 | #include <string.h> |
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| 4 | #include <time.h> |
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| 5 | |||
| 6 | #include "physfs.h" |
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| 7 | |||
| 8 | |||
| 9 | static int failure = 0; |
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| 10 | |||
| 11 | static void modTimeToStr(PHYSFS_sint64 modtime, char *modstr, size_t strsize) |
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| 12 | { |
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| 13 | const char *str = "unknown modtime"; |
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| 14 | if (modtime != -1) |
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| 15 | { |
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| 16 | time_t t = (time_t) modtime; |
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| 17 | str = ctime(&t); |
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| 18 | } /* if */ |
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| 19 | |||
| 20 | strncpy(modstr, str, strsize); |
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| 21 | modstr[strsize-1] = '\0'; |
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| 22 | strsize = strlen(modstr); |
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| 23 | while ((modstr[strsize-1] == '\n') || (modstr[strsize-1] == '\r')) |
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| 24 | modstr[--strsize] = '\0'; |
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| 25 | } /* modTimeToStr */ |
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| 26 | |||
| 27 | |||
| 28 | static void fail(const char *what, const char *why) |
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| 29 | { |
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| 30 | if (why == NULL) |
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| 31 | why = PHYSFS_getLastError(); |
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| 32 | fprintf(stderr, "%s failed: %s\n", what, why); |
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| 33 | failure = 1; |
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| 34 | } /* fail */ |
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| 35 | |||
| 36 | |||
| 37 | static void dumpFile(const char *fname) |
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| 38 | { |
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| 39 | const int origfailure = failure; |
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| 40 | PHYSFS_File *out = NULL; |
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| 41 | PHYSFS_File *in = NULL; |
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| 42 | |||
| 43 | failure = 0; |
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| 44 | |||
| 45 | if ((in = PHYSFS_openRead(fname)) == NULL) |
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| 46 | fail("\nPHYSFS_openRead", NULL); |
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| 47 | else if ((out = PHYSFS_openWrite(fname)) == NULL) |
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| 48 | fail("\nPHYSFS_openWrite", NULL); |
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| 49 | else |
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| 50 | { |
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| 51 | char modstr[64]; |
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| 52 | PHYSFS_sint64 size = PHYSFS_fileLength(in); |
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| 53 | |||
| 54 | printf("("); |
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| 55 | if (size == -1) |
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| 56 | printf("?"); |
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| 57 | else |
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| 58 | printf("%lld", (long long) size); |
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| 59 | printf(" bytes"); |
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| 60 | |||
| 61 | modTimeToStr(PHYSFS_getLastModTime(fname), modstr, sizeof (modstr)); |
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| 62 | printf(", %s)\n", modstr); |
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| 63 | |||
| 64 | while ( (!failure) && (!PHYSFS_eof(in)) ) |
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| 65 | { |
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| 66 | static char buf[64 * 1024]; |
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| 67 | PHYSFS_sint64 br = PHYSFS_read(in, buf, 1, sizeof (buf)); |
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| 68 | if (br == -1) |
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| 69 | fail("PHYSFS_read", NULL); |
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| 70 | else |
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| 71 | { |
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| 72 | PHYSFS_sint64 bw = PHYSFS_write(out, buf, 1, br); |
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| 73 | if (bw != br) |
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| 74 | fail("PHYSFS_write", NULL); |
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| 75 | else |
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| 76 | size -= bw; |
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| 77 | } /* else */ |
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| 78 | } /* while */ |
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| 79 | |||
| 80 | if ((!failure) && (size != 0)) |
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| 81 | fail("PHYSFS_eof", "BUG! eof != PHYSFS_fileLength bytes!"); |
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| 82 | } /* else */ |
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| 83 | |||
| 84 | if (in != NULL) |
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| 85 | PHYSFS_close(in); |
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| 86 | |||
| 87 | if (out != NULL) |
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| 88 | { |
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| 89 | if (!PHYSFS_close(out)) |
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| 90 | fail("PHYSFS_close", NULL); |
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| 91 | } /* if */ |
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| 92 | |||
| 93 | if (failure) |
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| 94 | PHYSFS_delete(fname); |
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| 95 | else |
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| 96 | failure = origfailure; |
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| 97 | } /* dumpFile */ |
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| 98 | |||
| 99 | |||
| 100 | static void unpackCallback(void *_depth, const char *origdir, const char *str) |
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| 101 | { |
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| 102 | int depth = *((int *) _depth); |
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| 103 | const int len = strlen(origdir) + strlen(str) + 2; |
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| 104 | char *fname = (char *) malloc(len); |
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| 105 | if (fname == NULL) |
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| 106 | fail("malloc", "Out of memory!"); |
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| 107 | else |
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| 108 | { |
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| 109 | if (strcmp(origdir, "/") == 0) |
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| 110 | origdir = ""; |
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| 111 | |||
| 112 | snprintf(fname, len, "%s/%s", origdir, str); |
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| 113 | |||
| 114 | printf("%s ", fname); |
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| 115 | if (PHYSFS_isDirectory(fname)) |
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| 116 | { |
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| 117 | depth++; |
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| 118 | printf("(directory)\n"); |
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| 119 | if (!PHYSFS_mkdir(fname)) |
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| 120 | fail("PHYSFS_mkdir", NULL); |
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| 121 | else |
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| 122 | PHYSFS_enumerateFilesCallback(fname, unpackCallback, &depth); |
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| 123 | } /* if */ |
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| 124 | |||
| 125 | else if (PHYSFS_isSymbolicLink(fname)) |
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| 126 | { |
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| 127 | printf("(symlink)\n"); |
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| 128 | /* !!! FIXME: ? if (!symlink(fname, */ |
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| 129 | } /* else if */ |
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| 130 | |||
| 131 | else /* ...file. */ |
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| 132 | { |
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| 133 | dumpFile(fname); |
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| 134 | } /* else */ |
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| 135 | |||
| 136 | free(fname); |
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| 137 | } /* else */ |
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| 138 | } /* unpackCallback */ |
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| 139 | |||
| 140 | |||
| 141 | int main(int argc, char **argv) |
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| 142 | { |
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| 143 | int zero = 0; |
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| 144 | |||
| 145 | if (argc != 3) |
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| 146 | { |
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| 147 | fprintf(stderr, "USAGE: %s <archive> <unpackDirectory>\n", argv[0]); |
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| 148 | return 1; |
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| 149 | } /* if */ |
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| 150 | |||
| 151 | if (!PHYSFS_init(argv[0])) |
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| 152 | { |
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| 153 | fprintf(stderr, "PHYSFS_init() failed: %s\n", PHYSFS_getLastError()); |
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| 154 | return 2; |
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| 155 | } /* if */ |
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| 156 | |||
| 157 | if (!PHYSFS_setWriteDir(argv[2])) |
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| 158 | { |
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| 159 | fprintf(stderr, "PHYSFS_setWriteDir('%s') failed: %s\n", |
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| 160 | argv[2], PHYSFS_getLastError()); |
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| 161 | return 3; |
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| 162 | } /* if */ |
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| 163 | |||
| 164 | if (!PHYSFS_mount(argv[1], NULL, 1)) |
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| 165 | { |
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| 166 | fprintf(stderr, "PHYSFS_mount('%s') failed: %s\n", |
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| 167 | argv[1], PHYSFS_getLastError()); |
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| 168 | return 4; |
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| 169 | } /* if */ |
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| 170 | |||
| 171 | PHYSFS_permitSymbolicLinks(1); |
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| 172 | PHYSFS_enumerateFilesCallback("/", unpackCallback, &zero); |
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| 173 | PHYSFS_deinit(); |
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| 174 | if (failure) |
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| 175 | return 5; |
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| 176 | |||
| 177 | return 0; |
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| 178 | } /* main */ |
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| 179 | |||
| 180 | /* end of physfsunpack.c ... */ |
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| 181 |