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git-svn-id: svn://svn.cc65.org/cc65/trunk@1949 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2003-02-08 23:00:40 +00:00
parent 061caaca6d
commit 0346cf692e
5 changed files with 290 additions and 30 deletions
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70
src/co65/o65.c
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@@ -38,6 +38,7 @@
#include <errno.h>
/* common */
#include "chartype.h"
#include "xmalloc.h"
/* co65 */
@@ -153,14 +154,18 @@ static O65Option* ReadO65Option (FILE* F)
if (Len == 0) {
return 0;
}
if (Len < 2) {
Error ("Found option with length < 2 (input file corrupt)");
}
Len -= 2;
/* Allocate a new O65Option structure of the needed size */
O = xmalloc (sizeof (*O) - sizeof (O->Data) + Len - 2);
O = xmalloc (sizeof (*O) - sizeof (O->Data) + Len);
/* Assign the length and read the remaining option data */
O->Len = Len;
O->Type = Read8 (F);
ReadData (F, O->Data, Len - 2);
ReadData (F, O->Data, Len);
/* Return the new struct */
return O;
@@ -367,3 +372,64 @@ O65Data* ReadO65File (const char* Name)
const char* GetO65OSName (unsigned char OS)
/* Return the name of the operating system given by OS */
{
switch (OS) {
case O65_OS_OSA65: return "OS/A65";
case O65_OS_LUNIX: return "Lunix";
case O65_OS_CC65_MODULE: return "cc65 module";
default: return "unknown";
}
}
const char* GetO65OptionText (const O65Option* O)
/* Return the data of the given option as a readable text. The function returns
* a pointer to a static buffer that is reused on the next call, so if in doubt,
* make a copy (and no, the function is not thread safe).
*/
{
static char Buf[256];
unsigned I, J;
/* Get the length of the text */
unsigned Len = 0;
while (Len < O->Len && O->Data[Len] != '\0') {
++Len;
}
/* Copy into the buffer converting non readable characters */
I = J = 0;
while (I < sizeof (Buf) - 1 && J < Len) {
if (!IsControl (O->Data[J])) {
Buf[I++] = O->Data[J];
} else {
Buf[I++] = '\\';
if (I >= sizeof (Buf) - 4) {
--I;
break;
}
switch (O->Data[J]) {
case '\t': Buf[I++] = 't'; break;
case '\b': Buf[I++] = 'b'; break;
case '\n': Buf[I++] = 'n'; break;
case '\r': Buf[I++] = 'r'; break;
case '\v': Buf[I++] = 'v'; break;
default:
sprintf (Buf + I, "x%02X", O->Data[J]);
I += 3;
break;
}
}
++J;
}
/* Terminate the string and return it */
Buf[I] = '\0';
return Buf;
}