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No need for realpath() to call malloc() in du(1)

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Print links correctly as well.
This commit is contained in:
sin 2013-10-17 14:06:17 +01:00
parent ac130cbbe0
commit 9e321b69d2
1 changed files with 11 additions and 6 deletions
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17
du.c
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@ -12,6 +12,7 @@
#include "util.h"
static long blksize = 512;
static char file[PATH_MAX];
static bool aflag = false;
static bool sflag = false;
@ -59,12 +60,12 @@ main(int argc, char *argv[])
if (argc < 1) {
n = du(".");
if (sflag)
print(n, realpath(".", NULL));
print(n, realpath(".", file));
} else {
for (; argc > 0; argc--, argv++) {
n = du(argv[0]);
if (sflag)
print(n, realpath(argv[0], NULL));
print(n, realpath(argv[0], file));
}
}
return EXIT_SUCCESS;
@ -74,7 +75,6 @@ static void
print(long n, char *path)
{
printf("%lu\t%s\n", n, path);
free(path);
}
static char *
@ -127,8 +127,13 @@ du(const char *path)
} else {
m = 512 * st.st_blocks / blksize;
n += m;
if (aflag && !sflag)
print(m, realpath(dent->d_name, NULL));
if (aflag && !sflag) {
if (S_ISLNK(st.st_mode))
snprintf(file, sizeof(file), "%s/%s", cwd, dent->d_name);
else
realpath(dent->d_name, file);
print(m, file);
}
}
}
pop(cwd);
@ -137,6 +142,6 @@ du(const char *path)
}
if (!sflag)
print(n, realpath(path, NULL));
print(n, realpath(path, file));
return n;
}