dilation(unsigned char **image_pixel,int height,int width)
{
int i,j;
unsigned char **tmppixel;
tmppixel=(unsigned char**)mymalloc2(height,width,sizeof(unsigned char));
for(j=0;j<height;j++)
for(i=0;i<width;i++)
tmppixel[j][i]=image_pixel[j][i];
for(j=1;j<height-1;j++)
for(i=1;i<width-1;i++){
if(tmppixel[j-1][i-1]==LOW ||
tmppixel[j-1][i ]==LOW ||
tmppixel[j-1][i+1]==LOW ||
tmppixel[j ][i-1]==LOW ||
tmppixel[j ][i+1]==LOW ||
tmppixel[j+1][i-1]==LOW ||
tmppixel[j+1][i ]==LOW ||
tmppixel[j+1][i+1]==LOW )
image_pixel[j][i]=LOW;
}
myfree2((void **)tmppixel,height);
}
/* copy a string */
char *mystrdup2(const char *str, const char *src_function, const char *src_file, unsigned int src_line)
{
char *copy;
copy = (char *)mymalloc2(strlen(str)+1, 0, src_function, src_file, src_line);
strcpy(copy, str);
return copy;
}
/* append a suffix to a string */
char *mystrsuffix(const char *str, const char *suffix)
#endif /* WITHOUT_MEMSAVE */
{
char *copy;
size_t max;
max = strlen(str) + strlen(suffix) + 1;
#ifndef WITHOUT_MEMSAVE
copy = (char *)mymalloc2(max, 0, src_function, src_file, src_line);
#else /* WITHOUT_MEMSAVE */
copy = mymalloc(max);
#endif /* WITHOUT_MEMSAVE */
snprintf(copy, max, "%s%s", str, suffix); /* NOTRANSLATE */
return copy;
}
/* append a suffix to a string and adding a separation character */
char *mystrjoin(const char *str1, const char *str2, unsigned int delimiter)
#endif /* WITHOUT_MEMSAVE */
{
char *copy;
size_t len1;
size_t max;
len1 = strlen(str1);
max = len1 + strlen(str2) + 1;
if ((delimiter != 0 ) && ((unsigned char)str1[len1] != (unsigned char)delimiter))
++max;
#ifndef WITHOUT_MEMSAVE
copy = (char *)mymalloc2(max, 0, src_function, src_file, src_line);
#else /* WITHOUT_MEMSAVE */
copy = mymalloc(max);
#endif /* WITHOUT_MEMSAVE */
if ((delimiter != 0 ) && ((unsigned char)str1[len1 - 1] != (unsigned char)delimiter)) {
snprintf(copy, max, "%s%c%s", str1, delimiter, str2); /* NOTRANSLATE */
} else {
snprintf(copy, max, "%s%s", str1, str2); /* NOTRANSLATE */
}
return copy;
}
/* extract one argument from a line */
char *getpart(const char *line, unsigned int howmany)
#endif /* WITHOUT_MEMSAVE */
{
const char *start;
const char *src;
char *dest;
size_t plen;
unsigned int inquotes;
unsigned int part;
if (line == NULL)
return NULL;
if (howmany == 0)
return NULL;
inquotes = 0;
part = 0;
start = line;
for (src = start; ; ++src) {
if ((*src == ' ') && (inquotes != 0))
continue;
if (*src == '"') {
if ((start == src) && (inquotes == 0)) {
++inquotes;
continue;
}
if (inquotes == 0)
continue;
--inquotes;
++start;
} else {
if (*src) {
if (*src != ' ')
continue;
if (src == start) {
/* skip leading spaces */
++start;
continue;
}
}
}
plen = src - start;
if (plen == 0)
continue;
if (++part < howmany) {
if (*src == 0)
return NULL;
start = src + 1;
continue;
}
/* found end */
break;
}
#ifndef WITHOUT_MEMSAVE
dest = (char *)mymalloc2(plen + 1, 0, src_function, src_file, src_line);
#else /* WITHOUT_MEMSAVE */
dest = mymalloc(plen + 1);
#endif /* WITHOUT_MEMSAVE */
memcpy(dest, start, plen);
dest[plen] = '\0';
return dest;
}
/* split a line in a number of arguments */
unsigned int get_argv(char **result, const char *line, unsigned int howmany)
#endif /* WITHOUT_MEMSAVE */
{
const char *start;
const char *src;
char *dest;
size_t plen;
unsigned int inquotes;
unsigned int moreargs;
unsigned int morequote;
unsigned int part;
if (howmany == 0)
return 0;
if (line == NULL) {
clean_missing_parts(result, 0, howmany);
return 0;
}
inquotes = 0;
moreargs = 0;
morequote = 0;
part = 0;
start = line;
for (src = start; ; ++src) {
if ((*src == ' ') && (inquotes != 0))
continue;
if (*src == '"') {
if ((start == src) && (inquotes == 0)) {
++inquotes;
continue;
}
if (inquotes == 0)
continue;
--inquotes;
if (part + 1 == howmany) {
++morequote;
continue;
}
++start;
} else {
if (*src) {
if (*src != ' ')
continue;
if (src == start) {
/* skip leading spaces */
++start;
continue;
}
if (part + 1 == howmany) {
++moreargs;
continue;
}
}
}
plen = src - start;
if (plen == 0)
continue;
if (*src == '"')
++src;
/* found end */
#ifndef WITHOUT_MEMSAVE
dest = (char *)mymalloc2(plen + 1, 0, src_function, src_file, src_line);
#else /* WITHOUT_MEMSAVE */
dest = mymalloc(plen + 1);
#endif /* WITHOUT_MEMSAVE */
memcpy(dest, start, plen);
dest[plen] = '\0';
if ((morequote > 0) && (moreargs == 0))
clean_quotes(dest);
result[part++] = dest;
if (part >= howmany)
return part;
if (*src == 0) {
clean_missing_parts(result, part, howmany);
return part;
}
start = src + 1;
}
}
