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Lines 43-48
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#include <getopt.h> |
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#include <getopt.h> |
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#include <archive.h> |
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#include <archive.h> |
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#define BUFSIZE 4096 |
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static char *self = NULL; /* program name */ |
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static char *self = NULL; /* program name */ |
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static int extract_flags = ARCHIVE_EXTRACT_TIME; /* bsdtar default */ |
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static int extract_flags = ARCHIVE_EXTRACT_TIME; /* bsdtar default */ |
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Lines 70-75
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printf("Copyright (C) 2005 Jean-Yves Lefort\n"); |
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printf("Copyright (C) 2005 Jean-Yves Lefort\n"); |
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} |
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} |
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static int |
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unmakeself_get_offset (const char *filename) |
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{ |
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int offset = -1; |
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int skip = 0; |
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char buf[BUFSIZE]; |
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FILE *stream; |
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/* Let the script tell us the number of header lines. */ |
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snprintf(buf, BUFSIZE, |
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"sh %s --dumpconf | grep OLDSKIP | cut -f2 -d=", filename); |
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stream = popen(buf, "r"); |
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skip = atoi(fgets(buf, BUFSIZE, stream)); |
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pclose(stream); |
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/* Scan the header lines to calculate the offset. */ |
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if (skip) { |
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int i; |
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stream = fopen(filename, "r"); |
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for (i = 0; i < skip - 1; i++) { |
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fgets(buf, BUFSIZE, stream); |
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offset += strlen(buf); |
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} |
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fclose(stream); |
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offset++; |
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} |
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return(offset); |
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} |
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static void |
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static void |
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unmakeself_extract (const char *filename, int print_offset) |
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unmakeself_extract (const char *filename, int print_offset) |
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{ |
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{ |
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Lines 93-98
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* by locating the first non-printable character following a |
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* by locating the first non-printable character following a |
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* newline. The archive starts immediately after that newline. |
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* newline. The archive starts immediately after that newline. |
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*/ |
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*/ |
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/* |
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while (! done && (len = read(fd, buf, sizeof(buf))) > 0) |
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while (! done && (len = read(fd, buf, sizeof(buf))) > 0) |
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{ |
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{ |
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int i; |
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int i; |
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Lines 109-115
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break; |
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break; |
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} |
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} |
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} |
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} |
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*/ |
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offset = unmakeself_get_offset(filename); |
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if (offset != -1) /* offset found */ |
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if (offset != -1) /* offset found */ |
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{ |
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{ |
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if (print_offset) /* only print the offset */ |
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if (print_offset) /* only print the offset */ |