Fix some warnings from Turbo C 2.0

[oss/catdoc.git] / src / charsets.c

diff --git a/src/charsets.c b/src/charsets.c
index b52a1eb651b019f91d4d3757c057c1b5333f9397..eda5cb4caa24e413357b779c229cd8e5150766bb 100644 (file)
--- a/src/charsets.c
+++ b/src/charsets.c
@@ -14,7 +14,7 @@
 
 char *charset_path=CHARSETPATH;
 char *source_csname=SOURCE_CHARSET, *dest_csname=TARGET_CHARSET;
-short int * source_charset;
+uint16_t * source_charset;
 int unknown_as_hex=0;
 char bad_char[]=UNKNOWN_CHAR;
 CHARSET target_charset;
@@ -22,7 +22,7 @@ CHARSET target_charset;
 /* Converts char in input charset into unicode representation           */
 /* Should be converted to macro                                         */
 /************************************************************************/
-int to_unicode (short int *charset, int c) {
+int to_unicode (uint16_t *charset, int c) {
        return charset[c];
 }
 /************************************************************************/
@@ -46,13 +46,14 @@ CHARSET make_reverse_map(short int *charset) {
        int i,j,k,l;
        short int *p;   
        if (! charset) {
+               free(newmap);
                return NULL;
        }       
        for (i=0;i<256;i++) {
                k= charset[i];
                j=  (unsigned)k>>8;
                if (!newmap[j]) {
-                       newmap[j] = malloc(sizeof(short int *)*256);
+                       newmap[j] = (short int *)malloc(sizeof(short int)*256);
                        if (!newmap[j]) {
                                fprintf(stderr,"Insufficient memory for  charset\n");
                                exit(1);
@@ -68,11 +69,11 @@ CHARSET make_reverse_map(short int *charset) {
 /************************************************************************/
 /* Reads charset file (as got from ftp.unicode.org) and returns array of*/
 /* 256 short ints (malloced) mapping from charset t unicode             */
-/************************************************************************/
-short int * read_charset(const char *filename) {
+/************************************************************************/int * read_charset(const char *filename) {
+uint16_t * read_charset(const char *filename) {
        char *path;
        FILE *f;
-       short int *new=calloc(sizeof(short int),256);
+       uint16_t *new;
        int c;
        long int uc;
        path= find_file(stradd(filename,CHARSET_EXT),charset_path);
@@ -89,6 +90,7 @@ short int * read_charset(const char *filename) {
        if (input_buffer)
                setvbuf(f,input_buffer,_IOFBF,FILE_BUFFER);
        /* defaults */
+       new = calloc(sizeof(short int),256);
        for (c=0;c<32;c++) {
                new[c]=c;
        }
@@ -163,7 +165,7 @@ int get_utf16msb (FILE *f,long *offset,long fileend) {
 
 int get_utf8 (FILE *f,long *offset,long fileend) {
        unsigned char buf[3];
-       int d,c;
+       int c;
     int result;
        result=catdoc_read(buf, 1, 1, f);
        if (result<0) {
@@ -172,14 +174,13 @@ int get_utf8 (FILE *f,long *offset,long fileend) {
        }       
        if (result==0) return EOF;
        c=buf[0];
-       d=0;
        if (c<0x80) 
                return c;
        if (c <0xC0) 
                return 0xfeff; /*skip corrupted sequebces*/
        if (c <0xE0) {
                if (catdoc_read(buf+1, 1, 1, f)<=0) return EOF;
-               return ((c & 0x1F)<<6 | ((char)buf[1] & 0x3F));
+               return (((c & 0x1F)<<6) | ((char)buf[1] & 0x3F));
        }
        if (c <0xF0) {
                if (catdoc_read(buf+1, 1, 2, f)<=2) return (int)EOF;
@@ -250,7 +251,7 @@ char *to_utf8(unsigned int uc) {
 }    
 
 struct cp_map {
-       int codepage;
+       uint16_t codepage;
        char *charset_name;
 };