21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include "lint.h"
30 #include "file64.h"
31 #include <sys/types.h>
32 #include <sys/stat.h>
33 #include <errno.h>
34 #include <fcntl.h>
35 #include <limits.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <unistd.h>
39 #include <stdio.h>
40
41 #include "ldpart.h"
42 #include "setlocale.h"
43
44 static int split_lines(char *, const char *);
45
46 int
47 __part_load_locale(const char *name,
48 char **locale_buf, const char *category_filename,
49 int locale_buf_size_max, int locale_buf_size_min,
50 const char **dst_localebuf)
51 {
52 int saverr, fd, i, num_lines;
53 char *lbuf, *p;
54 const char *plim;
55 char filename[PATH_MAX];
56 struct stat st;
57 size_t namesize, bufsize;
58
59 /*
60 * Slurp the locale file into the cache.
61 */
62 namesize = strlen(name) + 1;
63
64 /* 'PathLocale' must be already set & checked. */
65
66 (void) snprintf(filename, sizeof (filename), "%s/%s/%s/LCL_DATA",
67 _PathLocale, name, category_filename);
68
69 if ((fd = open(filename, O_RDONLY)) < 0)
70 return (_LDP_ERROR);
71 if (fstat(fd, &st) != 0)
72 goto bad_locale;
73 if (st.st_size <= 0) {
74 errno = EINVAL;
75 goto bad_locale;
76 }
77 bufsize = namesize + st.st_size;
78 if ((lbuf = malloc(bufsize)) == NULL) {
79 errno = ENOMEM;
80 goto bad_locale;
81 }
82 (void) strcpy(lbuf, name);
83 p = lbuf + namesize;
84 plim = p + st.st_size;
85 if (read(fd, p, (size_t)st.st_size) != st.st_size)
86 goto bad_lbuf;
87 /*
88 * Parse the locale file into localebuf.
89 */
90 if (plim[-1] != '\n') {
91 errno = EINVAL;
92 goto bad_lbuf;
93 }
94 num_lines = split_lines(p, plim);
95 if (num_lines >= locale_buf_size_max)
96 num_lines = locale_buf_size_max;
97 else if (num_lines >= locale_buf_size_min)
98 num_lines = locale_buf_size_min;
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21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include "lint.h"
30 #include "file64.h"
31 #include <sys/types.h>
32 #include <sys/stat.h>
33 #include <errno.h>
34 #include <fcntl.h>
35 #include <limits.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <unistd.h>
39 #include <stdio.h>
40
41 #include "libc.h"
42 #include "ldpart.h"
43 #include "setlocale.h"
44
45 static int split_lines(char *, const char *);
46
47 int
48 __part_load_locale(const char *name,
49 char **locale_buf, const char *category_filename,
50 int locale_buf_size_max, int locale_buf_size_min,
51 const char **dst_localebuf)
52 {
53 int saverr, fd, i, num_lines;
54 char *lbuf, *p;
55 const char *plim;
56 char filename[PATH_MAX];
57 struct stat st;
58 size_t namesize, bufsize;
59
60 /*
61 * Slurp the locale file into the cache.
62 */
63 namesize = strlen(name) + 1;
64
65 /* 'PathLocale' must be already set & checked. */
66
67 (void) snprintf(filename, sizeof (filename), "%s/%s/%s/LCL_DATA",
68 _PathLocale, name, category_filename);
69
70 if ((fd = open(filename, O_RDONLY)) < 0)
71 return (_LDP_ERROR);
72 if (fstat(fd, &st) != 0)
73 goto bad_locale;
74 if (st.st_size <= 0) {
75 errno = EINVAL;
76 goto bad_locale;
77 }
78 bufsize = namesize + st.st_size;
79 if ((lbuf = libc_malloc(bufsize)) == NULL) {
80 errno = ENOMEM;
81 goto bad_locale;
82 }
83 (void) strcpy(lbuf, name);
84 p = lbuf + namesize;
85 plim = p + st.st_size;
86 if (read(fd, p, (size_t)st.st_size) != st.st_size)
87 goto bad_lbuf;
88 /*
89 * Parse the locale file into localebuf.
90 */
91 if (plim[-1] != '\n') {
92 errno = EINVAL;
93 goto bad_lbuf;
94 }
95 num_lines = split_lines(p, plim);
96 if (num_lines >= locale_buf_size_max)
97 num_lines = locale_buf_size_max;
98 else if (num_lines >= locale_buf_size_min)
99 num_lines = locale_buf_size_min;
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