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Cleanup and memory reduction.

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@423 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Dave Beazley 2000-04-16 02:50:54 +00:00
commit f60c0d540b
1 changed files with 5 additions and 31 deletions
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36
SWIG/Source/DOH/Doh/string.c
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@ -25,8 +25,6 @@ typedef struct String {
int hashkey; /* Hash key value */
int sp; /* Current position */
char *str; /* String data */
char pb[4]; /* Pushback data */
int pbi;
} String;
/* Forward references */
@ -153,7 +151,6 @@ NewString(const DOH *so)
DohXInit(str);
str->hashkey = -1;
str->sp = 0;
str->pbi = 0;
str->line = 1;
str->file = 0;
max = INIT_MAXSIZE;
@ -208,7 +205,6 @@ CopyString(DOH *so) {
str->line = s->line;
str->file = s->file;
if (str->file) Incref(str->file);
str->pbi = 0;
max = s->maxsize;
str->str = (char *) DohMalloc(max);
memmove(str->str, s->str, max);
@ -383,7 +379,6 @@ String_clear(DOH *so)
*(s->str) = 0;
s->sp = 0;
s->line = 1;
s->pbi = 0;
}
void
@ -495,18 +490,12 @@ String_read(DOH *so, void *buffer, int len) {
int reallen, retlen;
char *cb;
String *s = (String *) so;
if (((s->sp-s->pbi) + len) > s->len) reallen = (s->len - (s->sp-s->pbi));
if ((s->sp + len) > s->len) reallen = (s->len - s->sp);
else reallen = len;
cb = (char *) buffer;
retlen = reallen;
/* Read the push-back buffer contents first */
while (reallen > 0) {
if (s->pbi <= 0) break;
*(cb++) = (char) s->pb[--s->pbi];
reallen--;
}
if (reallen > 0) {
memmove(cb, s->str+s->sp, reallen);
s->sp += reallen;
@ -534,7 +523,6 @@ String_write(DOH *so, void *buffer, int len) {
if ((s->sp+len) > s->len) s->len = s->sp + len;
memmove(s->str+s->sp,buffer,len);
s->sp += len;
s->pbi = 0;
return len;
}
@ -577,8 +565,6 @@ String_seek(DOH *so, long offset, int whence) {
s->sp = nsp;
#endif
assert (s->sp >= 0);
s->pbi = 0;
return 0;
}
@ -590,7 +576,7 @@ String_seek(DOH *so, long offset, int whence) {
long
String_tell(DOH *so) {
String *s = (String *) so;
return (long) (s->sp - s->pbi);
return (long) (s->sp);
}
/* -----------------------------------------------------------------------------
@ -612,7 +598,6 @@ String_putc(DOH *so, int ch) {
if (ch == '\n') s->line++;
#endif
}
s->pbi = 0;
return ch;
}
@ -626,10 +611,7 @@ int String_getc(DOH *so) {
int c;
String *s = (String *) so;
if (s->pbi) {
c = (int) s->pb[--s->pbi];
}
else if (s->sp >= s->len)
if (s->sp >= s->len)
c = EOF;
else
c = (int) s->str[s->sp++];
@ -647,15 +629,8 @@ int String_getc(DOH *so) {
int String_ungetc(DOH *so, int ch) {
String *s = (String *) so;
if (ch == EOF) return ch;
if ((s->sp - s->pbi) <= 0) return EOF;
if (s->pbi == 4) {
s->pb[0] = s->pb[1];
s->pb[1] = s->pb[2];
s->pb[2] = s->pb[3];
s->pb[3] = (char) ch;
} else {
s->pb[s->pbi++] = (char) ch;
}
if (s->sp <= 0) return EOF;
s->sp--;
#ifdef DOH_STRING_UPDATE_LINES
if (ch == '\n') s->line--;
#endif
@ -829,6 +804,5 @@ String_chop(DOH *s) {
}
assert (str->sp >= 0);
str->hashkey = -1;
str->pbi = 0;
}