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Code Issues Releases Wiki Activity

tools/blkpack: support multiple dirname arguments

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This commit is contained in:
Virgil Dupras 2020-09-20 09:38:28 -04:00
parent e123c0e536
commit c9ce0f8cfd
1 changed files with 29 additions and 14 deletions
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43
tools/blkpack.c
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@ -6,24 +6,22 @@
#include <string.h>
#include <sys/stat.h>
static char *buf;
static int blkcnt;
static void usage()
{
fprintf(stderr, "Usage: blkpack dirname\n");
fprintf(stderr, "Usage: blkpack dirname [dirname ...]\n");
}
int main(int argc, char *argv[])
static int spit(char *dirname)
{
DIR *dp;
struct dirent *ep;
char *buf = NULL;
int blkcnt = 0;
if (argc != 2) {
usage();
return 1;
}
dp = opendir(argv[1]);
dp = opendir(dirname);
if (dp == NULL) {
fprintf(stderr, "Couldn't open directory.\n");
fprintf(stderr, "Couldn't open directory %s.\n", dirname);
return 1;
}
while ((ep = readdir(dp))) {
@ -37,11 +35,12 @@ int main(int argc, char *argv[])
memset(buf+(blkcnt*1024), 0, (newcnt-blkcnt)*1024);
blkcnt = newcnt;
}
char fullpath[0x200];
strcpy(fullpath, argv[1]);
char *fullpath = malloc(strlen(dirname) + MAXNAMLEN + 2);
strcpy(fullpath, dirname);
strcat(fullpath, "/");
strcat(fullpath, ep->d_name);
FILE *fp = fopen(fullpath, "r");
free(fullpath);
if (fp == NULL) {
fprintf(stderr, "Could not open %s: %s\n", ep->d_name, strerror(errno));
continue;
@ -63,9 +62,25 @@ int main(int argc, char *argv[])
free(line);
fclose(fp);
}
fwrite(buf, 1024, blkcnt, stdout);
free(buf);
closedir(dp);
return 0;
}
int main(int argc, char *argv[])
{
if (argc < 2) {
usage();
return 1;
}
buf = NULL;
blkcnt = 0;
for (int i=1; i<argc; i++) {
if (spit(argv[i]) != 0) {
return 1;
}
}
fwrite(buf, 1024, blkcnt, stdout);
free(buf);
return 0;
}