diff options
Diffstat (limited to 'src/fetch_pwd.c')
| -rw-r--r-- | src/fetch_pwd.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/fetch_pwd.c b/src/fetch_pwd.c new file mode 100644 index 0000000..84cd54d --- /dev/null +++ b/src/fetch_pwd.c @@ -0,0 +1,52 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <ftw.h> +#include <unistd.h> + +#include "fetch_pwd.h" +#include "vars.h" + +static const char *pwd_dst; + +static int copy_entry(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf) { + (void)ftwbuf; + const char *rel = fpath; + if (rel[0] == '.' && rel[1] == '/') rel += 2; + if (rel[0] == '\0') return 0; + + char dst[MAX_PATH_LEN]; + snprintf(dst, sizeof(dst), "%s/%s", pwd_dst, rel); + + if (typeflag == FTW_D) { + mkdir(dst, 0755); + } else if (typeflag == FTW_F) { + int src_fd = open(fpath, O_RDONLY); + if (src_fd < 0) return -1; + + int dst_fd = open(dst, O_WRONLY | O_CREAT | O_TRUNC, sb->st_mode & 07777); + if (dst_fd < 0) { close(src_fd); return -1; } + + char buf[8192]; + ssize_t n; + while ((n = read(src_fd, buf, sizeof(buf))) > 0) { + ssize_t written = 0; + while (written < n) { + ssize_t ret = write(dst_fd, buf + written, n - written); + if (ret < 0) { close(src_fd); close(dst_fd); return -1; } + written += ret; + } + } + + close(src_fd); + close(dst_fd); + } + return 0; +} + +void fetch_pwd(Pkg pkg) { + pwd_dst = pkg.src; + nftw(".", copy_entry, 64, FTW_PHYS); +}
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