* \e$B8=:_!"\e(Bnkf \e$B$O\e(B SorceForge \e$B$K$F%a%s%F%J%s%9$,B3$1$i$l$F$$$^$9!#\e(B
* http://sourceforge.jp/projects/nkf/
***********************************************************************/
-#define NKF_IDENT "$Id: nkf.c,v 1.187 2008/11/07 02:37:21 naruse Exp $"
+#define NKF_IDENT "$Id: nkf.c,v 1.192 2008/11/09 23:09:22 naruse Exp $"
#define NKF_VERSION "2.0.8"
-#define NKF_RELEASE_DATE "2008-10-28"
+#define NKF_RELEASE_DATE "2008-11-10"
#define COPY_RIGHT \
"Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa),2000 S. Kono, COW\n" \
"Copyright (C) 2002-2008 Kono, Furukawa, Naruse, mastodon"
# define INCL_DOSERRORS
# include <os2.h>
#endif
+#include <assert.h>
/* state of output_mode and input_mode
nkf_char std_gc_buf[STD_GC_BUFSIZE];
nkf_char std_gc_ndx;
+static void *
+nkf_malloc(size_t size)
+{
+ void *ptr;
+
+ if (size == 0) size = 1;
+
+ ptr = malloc(size);
+ if (ptr == NULL) {
+ perror("can't malloc");
+ exit(EXIT_FAILURE);
+ }
+
+ return ptr;
+}
+
+static void *
+nkf_realloc(void *ptr, size_t size)
+{
+ if (size == 0) size = 1;
+
+ ptr = realloc(ptr, size);
+ if (ptr == NULL) {
+ perror("can't realloc");
+ exit(EXIT_FAILURE);
+ }
+
+ return ptr;
+}
+
+#define nkf_free(ptr) free(ptr)
+
static int
nkf_str_caseeql(const char *src, const char *target)
{
nkf_enc_to_index(enc) == CP50222)
#ifdef DEFAULT_CODE_LOCALE
-static char*
+static const char*
nkf_locale_charmap()
{
#ifdef HAVE_LANGINFO_H
return nl_langinfo(CODESET);
#elif defined(__WIN32__)
- char buf[16];
- char *str;
- int len = sprintf(buf, "CP%d", GetACP());
- if (len > 0) {
- str = malloc(len + 1);
- strcpy(str, buf);
- str[len] = '\0';
- return str;
- }
- else return NULL;
+ static char buf[16];
+ sprintf(buf, "CP%d", GetACP());
+ return buf;
#elif defined(__OS2__)
# if defined(INT_IS_SHORT)
/* OS/2 1.x */
sprintf(buf, "CP%lu", ulCP[0]);
return buf;
# endif
-#else
- return NULL;
#endif
+ return NULL;
}
static nkf_encoding*
nkf_locale_encoding()
{
nkf_encoding *enc = 0;
- char *encname = nkf_locale_charmap();
+ const char *encname = nkf_locale_charmap();
if (encname)
enc = nkf_enc_find(encname);
return enc;
}
if(asterisk_count){
- backup_filename = malloc(strlen(suffix) + (asterisk_count * (filename_length - 1)) + 1);
- if (!backup_filename){
- perror("Can't malloc backup filename.");
- return NULL;
- }
-
+ backup_filename = nkf_malloc(strlen(suffix) + (asterisk_count * (filename_length - 1)) + 1);
for(i = 0, j = 0; suffix[i];){
if(suffix[i] == '*'){
backup_filename[j] = '\0';
backup_filename[j] = '\0';
}else{
j = filename_length + strlen(suffix);
- backup_filename = malloc(j + 1);
+ backup_filename = nkf_malloc(j + 1);
strcpy(backup_filename, filename);
strcat(backup_filename, suffix);
backup_filename[j] = '\0';
#ifdef UNICODE_NORMALIZATION
+typedef struct {
+ unsigned char *ary;
+ int max_length;
+ int count;
+} nkf_ary;
+
+static nkf_ary *
+nkf_ary_new(int length)
+{
+ nkf_ary *ary = nkf_malloc(sizeof(nkf_ary));
+ ary->ary = nkf_malloc(length);
+ ary->max_length = length;
+ ary->count = 0;
+ return ary;
+}
+
+static void
+nkf_ary_dispose(nkf_ary *ary)
+{
+ nkf_free(ary->ary);
+ nkf_free(ary);
+}
+
+#define nkf_ary_length(ary) ((ary)->count)
+#define nkf_ary_empty_p(ary) ((ary)->count == 0)
+
+static unsigned char
+nkf_ary_at(nkf_ary *ary, int index)
+{
+ assert(index <= ary->count);
+ return ary->ary[index];
+}
+
+static void
+nkf_ary_clear(nkf_ary *ary)
+{
+ ary->count = 0;
+}
+
+static unsigned char
+nkf_ary_push(nkf_ary *ary, nkf_char c)
+{
+ assert(ary->max_length > ary->count);
+ ary->ary[ary->count++] = c;
+ return ary->count;
+}
+
+static unsigned char
+nkf_ary_pop(nkf_ary *ary)
+{
+ assert(0 < ary->count);
+ return ary->ary[--ary->count];
+}
+
/* Normalization Form C */
static nkf_char
nfc_getc(FILE *f)
{
nkf_char (*g)(FILE *f) = i_nfc_getc;
nkf_char (*u)(nkf_char c ,FILE *f) = i_nfc_ungetc;
- int i=0, j, k=1, lower, upper;
- nkf_char buf[9];
+ nkf_ary *buf = nkf_ary_new(9);
const unsigned char *array;
+ int lower=0, upper=NORMALIZATION_TABLE_LENGTH-1;
+ nkf_char c = (*g)(f);
- buf[i] = (*g)(f);
- while (k > 0 && ((buf[i] & 0xc0) != 0x80)){
- lower=0, upper=NORMALIZATION_TABLE_LENGTH-1;
- while (upper >= lower) {
- j = (lower+upper) / 2;
- array = normalization_table[j].nfd;
- for (k=0; k < NORMALIZATION_TABLE_NFD_LENGTH && array[k]; k++){
- if (array[k] != buf[k]){
- array[k] < buf[k] ? (lower = j + 1) : (upper = j - 1);
- k = 0;
+ if (c == EOF || c > 0xFF || (c & 0xc0) == 0x80) return c;
+
+ nkf_ary_push(buf, (unsigned char)c);
+ do {
+ while (lower <= upper) {
+ int mid = (lower+upper) / 2;
+ int len;
+ array = normalization_table[mid].nfd;
+ for (len=0; len < NORMALIZATION_TABLE_NFD_LENGTH && array[len]; len++) {
+ if (len >= nkf_ary_length(buf)) {
+ c = (*g)(f);
+ if (c == EOF) {
+ len = 0;
+ lower = 1, upper = 0;
+ break;
+ }
+ nkf_ary_push(buf, c);
+ }
+ if (array[len] != nkf_ary_at(buf, len)) {
+ if (array[len] < nkf_ary_at(buf, len)) lower = mid + 1;
+ else upper = mid - 1;
+ len = 0;
break;
- } else if (k >= i)
- buf[++i] = (*g)(f);
+ }
}
- if (k > 0){
- array = normalization_table[j].nfc;
+ if (len > 0) {
+ int i;
+ array = normalization_table[mid].nfc;
+ nkf_ary_clear(buf);
for (i=0; i < NORMALIZATION_TABLE_NFC_LENGTH && array[i]; i++)
- buf[i] = (nkf_char)(array[i]);
- i--;
+ nkf_ary_push(buf, array[i]);
break;
}
}
- while (i > 0)
- (*u)(buf[i--], f);
- }
- return buf[0];
+ } while (lower <= upper);
+
+ while (nkf_ary_length(buf) > 1) (*u)(nkf_ary_pop(buf), f);
+ c = nkf_ary_pop(buf);
+ nkf_ary_dispose(buf);
+
+ return c;
}
static nkf_char
/* end Q encoding */
input_mode = exit_mode;
lwsp_count = 0;
- lwsp_buf = malloc((lwsp_size+5)*sizeof(char));
- if (lwsp_buf==NULL) {
- perror("can't malloc");
- return -1;
- }
+ lwsp_buf = nkf_malloc((lwsp_size+5)*sizeof(char));
while ((c1=(*i_getc)(f))!=EOF) {
switch (c1) {
case LF:
lwsp_buf[lwsp_count] = (unsigned char)c1;
if (lwsp_count++>lwsp_size){
lwsp_size <<= 1;
- lwsp_buf_new = realloc(lwsp_buf, (lwsp_size+5)*sizeof(char));
- if (lwsp_buf_new==NULL) {
- free(lwsp_buf);
- perror("can't realloc");
- return -1;
- }
+ lwsp_buf_new = nkf_realloc(lwsp_buf, (lwsp_size+5)*sizeof(char));
lwsp_buf = lwsp_buf_new;
}
continue;
i_ungetc(lwsp_buf[lwsp_count],f);
c1 = lwsp_buf[0];
}
- free(lwsp_buf);
+ nkf_free(lwsp_buf);
return c1;
}
if (c1=='='&&c2<SP) { /* this is soft wrap */
if ((c1 == '?') && (c2 == '=')) {
input_mode = ASCII;
lwsp_count = 0;
- lwsp_buf = malloc((lwsp_size+5)*sizeof(char));
- if (lwsp_buf==NULL) {
- perror("can't malloc");
- return -1;
- }
+ lwsp_buf = nkf_malloc((lwsp_size+5)*sizeof(char));
while ((c1=(*i_getc)(f))!=EOF) {
switch (c1) {
case LF:
lwsp_buf[lwsp_count] = (unsigned char)c1;
if (lwsp_count++>lwsp_size){
lwsp_size <<= 1;
- lwsp_buf_new = realloc(lwsp_buf, (lwsp_size+5)*sizeof(char));
- if (lwsp_buf_new==NULL) {
- free(lwsp_buf);
- perror("can't realloc");
- return -1;
- }
+ lwsp_buf_new = nkf_realloc(lwsp_buf, (lwsp_size+5)*sizeof(char));
lwsp_buf = lwsp_buf_new;
}
continue;
i_ungetc(lwsp_buf[lwsp_count],f);
c1 = lwsp_buf[0];
}
- free(lwsp_buf);
+ nkf_free(lwsp_buf);
return c1;
}
mime_c3_retry:
nkf_iconv_t converter;
converter->input_buffer_size = IOBUF_SIZE;
- converter->input_buffer = malloc(converter->input_buffer_size);
- if (converter->input_buffer == NULL)
- perror("can't malloc");
-
+ converter->input_buffer = nkf_malloc(converter->input_buffer_size);
converter->output_buffer_size = IOBUF_SIZE * 2;
- converter->output_buffer = malloc(converter->output_buffer_size);
- if (converter->output_buffer == NULL)
- perror("can't malloc");
-
+ converter->output_buffer = nkf_malloc(converter->output_buffer_size);
converter->cd = iconv_open(tocode, fromcode);
if (converter->cd == (iconv_t)-1)
{
static void
nkf_iconv_close(nkf_iconv_t *convert)
{
- free(converter->inbuf);
- free(converter->outbuf);
+ nkf_free(converter->inbuf);
+ nkf_free(converter->outbuf);
iconv_close(converter->cd);
}
#endif
overwrite_f = TRUE;
preserve_time_f = TRUE;
backup_f = TRUE;
- backup_suffix = malloc(strlen((char *) p) + 1);
- strcpy(backup_suffix, (char *) p);
+ backup_suffix = (char *)p;
continue;
}
if (strcmp(long_option[i].name, "in-place") == 0){
overwrite_f = TRUE;
preserve_time_f = FALSE;
backup_f = TRUE;
- backup_suffix = malloc(strlen((char *) p) + 1);
- strcpy(backup_suffix, (char *) p);
+ backup_suffix = (char *)p;
continue;
}
#endif
if (file_out_f == TRUE) {
#ifdef OVERWRITE
if (overwrite_f){
- outfname = malloc(strlen(origfname)
+ outfname = nkf_malloc(strlen(origfname)
+ strlen(".nkftmpXXXXXX")
+ 1);
- if (!outfname){
- perror(origfname);
- return -1;
- }
strcpy(outfname, origfname);
#ifdef MSDOS
{
fprintf(stderr, "Can't rename %s to %s\n",
origfname, backup_filename);
}
- free(backup_filename);
+ nkf_free(backup_filename);
}else{
#ifdef MSDOS
if (unlink(origfname)){
fprintf(stderr, "Can't rename %s to %s\n",
outfname, origfname);
}
- free(outfname);
+ nkf_free(outfname);
}
#endif
}
OSDN Git Service
