OSO/TinyCC
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Added what I call virtual io to tinycc this way we can make a monolitic executable or library that contains all needed to compile programs, truly tinycc portable.

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Tested under linux exec the "mk-it" shell script and you'll end up with a portable tinycc executable that doesn't depend on anything else.
This commit is contained in:
mingodad
2013-01-11 00:04:38 +00:00
parent 0a8c7d143e
commit 59e18aee0e
12 changed files with 903 additions and 62 deletions
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16
tccpp.c
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@ -360,13 +360,13 @@ static int tcc_peekc_slow(BufferedFile *bf)
int len;
/* only tries to read if really end of buffer */
if (bf->buf_ptr >= bf->buf_end) {
if (bf->fd != -1) {
if (bf->fd.fd != -1) {
#if defined(PARSE_DEBUG)
len = 8;
#else
len = IO_BUF_SIZE;
#endif
len = read(bf->fd, bf->buffer, len);
len = vio_read(bf->fd, bf->buffer, len);
if (len < 0)
len = 0;
} else {
@ -1438,6 +1438,8 @@ ST_FUNC void preprocess(int is_bof)
CachedInclude *e;
BufferedFile **f;
const char *path;
int size;
vio_fd fd;
if (i == -2) {
/* check absolute include path */
@ -1450,8 +1452,9 @@ ST_FUNC void preprocess(int is_bof)
/* search in current dir if "header.h" */
if (c != '\"')
continue;
path = file->filename;
pstrncpy(buf1, path, tcc_basename(path) - path);
size = tcc_basename(file->filename) - file->filename;
memcpy(buf1, file->filename, size);
buf1[size] = '\0';
} else {
/* search in all the include paths */
@ -1481,10 +1484,13 @@ ST_FUNC void preprocess(int is_bof)
#ifdef INC_DEBUG
printf("%s: skipping cached %s\n", file->filename, buf1);
#endif
vio_initialize(&fd);
fd.fd = 0;
goto include_done;
}
if (tcc_open(s1, buf1) < 0)
fd = tcc_open(s1, buf1);
if (fd.fd < 0)
include_trynext:
continue;