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@@ -0,0 +1,64 @@ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <dirent.h> |
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#include <string.h> |
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#include <sys/stat.h> |
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void usage() |
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{ |
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fprintf(stderr, "Usage: blkpack dirname\n"); |
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} |
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int main(int argc, char *argv[]) |
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{ |
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DIR *dp; |
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struct dirent *ep; |
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char *buf = NULL; |
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int blkcnt = 0; |
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if (argc != 2) { |
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usage(); |
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return 1; |
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} |
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dp = opendir(argv[1]); |
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if (dp == NULL) { |
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fprintf(stderr, "Couldn't open directory.\n"); |
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return 1; |
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} |
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while ((ep = readdir(dp))) { |
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if ((strcmp(ep->d_name, ".") == 0) || strcmp(ep->d_name, "..") == 0) { |
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continue; |
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} |
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if (ep->d_type != DT_REG) { |
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continue; |
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} |
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int blkid = atoi(ep->d_name); |
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if (blkid >= blkcnt) { |
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int newcnt = blkid+1; |
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buf = realloc(buf, newcnt*1024); |
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bzero(buf+(blkcnt*1024), (newcnt-blkcnt)*1024); |
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blkcnt = newcnt; |
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} |
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char fullpath[0x200]; |
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strcpy(fullpath, argv[1]); |
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strcat(fullpath, "/"); |
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strcat(fullpath, ep->d_name); |
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FILE *fp = fopen(fullpath, "r"); |
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char *line = NULL; |
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size_t n = 0; |
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for (int i=0; i<16; i++) { |
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ssize_t cnt = getline(&line, &n, fp); |
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if (cnt < 0) break; |
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if (cnt > 65) { |
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fprintf(stderr, "Line %d too long in blk %s\n", i+1, ep->d_name); |
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} |
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strncpy(buf+(blkid*1024)+(i*64), line, cnt-1); |
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} |
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free(line); |
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} |
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fwrite(buf, 1024, blkcnt, stdout); |
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free(buf); |
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closedir(dp); |
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return 0; |
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} |
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