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Ensure parent folders exist before extract

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This commit is contained in:
topjohnwu
2022-08-07 04:06:18 -07:00
parent 07b45f39df
commit 1b4a6850b8
3 changed files with 17 additions and 10 deletions
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10
native/src/base/files.cpp
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@@ -23,19 +23,21 @@ int fd_pathat(int dirfd, const char *name, char *path, size_t size) {
return 0;
}
int mkdirs(string path, mode_t mode) {
int mkdirs(const char *path, mode_t mode) {
char buf[4096];
strlcpy(buf, path, sizeof(buf));
errno = 0;
for (char *p = path.data() + 1; *p; ++p) {
for (char *p = &buf[1]; *p; ++p) {
if (*p == '/') {
*p = '\0';
if (mkdir(path.data(), mode) == -1) {
if (mkdir(buf, mode) == -1) {
if (errno != EEXIST)
return -1;
}
*p = '/';
}
}
if (mkdir(path.data(), mode) == -1) {
if (mkdir(buf, mode) == -1) {
if (errno != EEXIST)
return -1;
}

2
native/src/base/files.hpp
View File

@@ -60,7 +60,7 @@ struct mmap_data : public byte_data {
ssize_t fd_path(int fd, char *path, size_t size);
int fd_pathat(int dirfd, const char *name, char *path, size_t size);
int mkdirs(std::string path, mode_t mode);
int mkdirs(const char *path, mode_t mode);
void rm_rf(const char *path);
void mv_path(const char *src, const char *dest);
void mv_dir(int src, int dest);