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various: use strdup_to() in various obvious cases

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strdup_to() returns 0 on success and here we convert obvious blocks
which either return -ENOMEM or 0.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2024-03-20 15:13:44 +01:00
parent 7e850da3d6
commit 454318d3e8
17 changed files with 31 additions and 124 deletions
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src/basic/devnum-util.c
+4 -7
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@@ -58,21 +58,18 @@ int device_path_make_major_minor(mode_t mode, dev_t devnum, char **ret) {
}
int device_path_make_inaccessible(mode_t mode, char **ret) {
char *s;
const char *s;
assert(ret);
if (S_ISCHR(mode))
s = strdup("/run/systemd/inaccessible/chr");
s = "/run/systemd/inaccessible/chr";
else if (S_ISBLK(mode))
s = strdup("/run/systemd/inaccessible/blk");
s = "/run/systemd/inaccessible/blk";
else
return -ENODEV;
if (!s)
return -ENOMEM;
*ret = s;
return 0;
return strdup_to(ret, s);
}
int device_path_make_canonical(mode_t mode, dev_t devnum, char **ret) {