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Reduce duplicate code for MagiskBoot

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topjohnwu
2017-04-28 21:48:38 +08:00
parent 62fe92d922
commit d3d5703f3f
15 changed files with 145 additions and 129 deletions
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17
jni/magiskboot/utils.c
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@@ -5,22 +5,18 @@ char *SUP_EXT_LIST[] = { "gz", "xz", "lzma", "bz2", "lz4", "lz4", NULL };
file_t SUP_TYPE_LIST[] = { GZIP, XZ, LZMA, BZIP2, LZ4, LZ4_LEGACY, 0 };
void mmap_ro(const char *filename, unsigned char **buf, size_t *size) {
int fd = open(filename, O_RDONLY);
if (fd < 0)
error(1, "Cannot open %s", filename);
int fd = xopen(filename, O_RDONLY);
*size = lseek(fd, 0, SEEK_END);
lseek(fd, 0, SEEK_SET);
*buf = mmap(NULL, *size, PROT_READ, MAP_SHARED, fd, 0);
*buf = xmmap(NULL, *size, PROT_READ, MAP_SHARED, fd, 0);
close(fd);
}
void mmap_rw(const char *filename, unsigned char **buf, size_t *size) {
int fd = open(filename, O_RDWR);
if (fd < 0)
error(1, "Cannot open %s", filename);
int fd = xopen(filename, O_RDWR);
*size = lseek(fd, 0, SEEK_END);
lseek(fd, 0, SEEK_SET);
*buf = mmap(NULL, *size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
*buf = xmmap(NULL, *size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
close(fd);
}
@@ -83,10 +79,7 @@ void file_align(int fd, size_t align, int out) {
}
int open_new(const char *filename) {
int fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd < 0)
error(1, "Unable to create %s", filename);
return fd;
return xopen(filename, O_WRONLY | O_CREAT | O_TRUNC, 0644);
}
void print_info() {