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Use XSI realpath(3)

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This commit is contained in:
Bert Münnich 2015-10-28 21:52:41 +01:00
parent 66c3c55759
commit 9a7e97cd89
3 changed files with 0 additions and 85 deletions
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15
main.c
View file

@ -131,27 +131,12 @@ void check_add_file(char *filename, bool given)
memset(&files[filecnt/2], 0, filecnt/2 * sizeof(*files));
}
#if defined _BSD_SOURCE || defined _XOPEN_SOURCE && \
((_XOPEN_SOURCE - 0) >= 500 || defined _XOPEN_SOURCE_EXTENDED)
if ((files[fileidx].path = realpath(filename, NULL)) == NULL) {
warn("could not get real path of file: %s\n", filename);
return;
}
#else
if (*filename != '/') {
if ((files[fileidx].path = absolute_path(filename)) == NULL) {
warn("could not get absolute path of file: %s\n", filename);
return;
}
} else {
files[fileidx].path = NULL;
}
#endif
files[fileidx].name = s_strdup(filename);
if (files[fileidx].path == NULL)
files[fileidx].path = files[fileidx].name;
if ((bn = strrchr(files[fileidx].name , '/')) != NULL && bn[1] != '\0')
files[fileidx].base = ++bn;
else

68
util.c
View file

@ -106,74 +106,6 @@ void size_readable(float *size, const char **unit)
*unit = units[MIN(i, ARRLEN(units) - 1)];
}
char* absolute_path(const char *filename)
{
size_t len;
const char *basename;
char *dir, *dirname = NULL, *path = NULL, *s;
char *cwd = NULL, *twd = NULL;
if (*filename == '\0' || *filename == '/')
return NULL;
len = FNAME_LEN;
cwd = (char*) s_malloc(len);
while ((s = getcwd(cwd, len)) == NULL && errno == ERANGE) {
len *= 2;
cwd = (char*) s_realloc(cwd, len);
}
if (s == NULL)
goto error;
s = strrchr(filename, '/');
if (s != NULL) {
len = s - filename;
dirname = (char*) s_malloc(len + 1);
strncpy(dirname, filename, len);
dirname[len] = '\0';
basename = s + 1;
if (chdir(cwd) < 0)
/* we're not able to come back afterwards */
goto error;
if (chdir(dirname) < 0)
goto error;
len = FNAME_LEN;
twd = (char*) s_malloc(len);
while ((s = getcwd(twd, len)) == NULL && errno == ERANGE) {
len *= 2;
twd = (char*) s_realloc(twd, len);
}
if (chdir(cwd) < 0)
die("could not revert to prior working directory");
if (s == NULL)
goto error;
dir = twd;
} else {
/* only a single filename given */
basename = filename;
dir = cwd;
}
len = strlen(dir) + strlen(basename) + 2;
path = (char*) s_malloc(len);
snprintf(path, len, "%s/%s", dir, basename);
goto end;
error:
free(path);
path = NULL;
end:
free(dirname);
free(cwd);
free(twd);
return path;
}
int r_opendir(r_dir_t *rdir, const char *dirname)
{
if (*dirname == '\0')

2
util.h
View file

@ -70,8 +70,6 @@ void die(const char*, ...);
void size_readable(float*, const char**);
char* absolute_path(const char*);
int r_opendir(r_dir_t*, const char*);
int r_closedir(r_dir_t*);
char* r_readdir(r_dir_t*);