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Forced first linedirective with source filename

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This commit is contained in:
ceriel 1987-03-02 08:50:08 +00:00
parent 8ed274e96e
commit b10452c2dc
1 changed files with 15 additions and 2 deletions
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17
util/cpp/preprocess.c
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@ -28,13 +28,27 @@ preprocess(fn)
register int c; register int c;
register char *op = _obuf; register char *op = _obuf;
register char *ob = &_obuf[OBUFSIZE]; register char *ob = &_obuf[OBUFSIZE];
int lineno = 32767; /* force line directive */ char Xbuf[256];
int lineno = 0;
extern char options[]; extern char options[];
#define flush(X) (sys_write(STDOUT,_obuf,X)) #define flush(X) (sys_write(STDOUT,_obuf,X))
#define echo(ch) if (op == ob) { Xflush(); op = _obuf; } *op++ = (ch); #define echo(ch) if (op == ob) { Xflush(); op = _obuf; } *op++ = (ch);
#define newline() echo('\n') #define newline() echo('\n')
if (! options['P']) {
/* Generate a line directive communicating the
source filename
*/
register char *p = Xbuf;
sprint(p, "%s 1 \"%s\"\n",
LINE_PREFIX,
FileName);
while (*p) {
echo(*p++);
}
}
for (;;) { for (;;) {
LineNumber++; LineNumber++;
lineno++; lineno++;
@ -49,7 +63,6 @@ preprocess(fn)
fn = FileName; fn = FileName;
lineno = LineNumber; lineno = LineNumber;
if (! options['P']) { if (! options['P']) {
char Xbuf[256];
register char *p = Xbuf; register char *p = Xbuf;
sprint(p, "%s %d \"%s\"\n", sprint(p, "%s %d \"%s\"\n",