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Date:: Fri Jan 10 14:54:30 2020 UTC
Message:: Trivial changes: whitespace and modes. Remote whitespace at the ends of lines. Remove blank lines from the ends of files. Change modes on source files so that they are not executable. Signed-off-by: Dan Cross <cross@gajendra.net>
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  1 fd04aace 2003-11-23 devnull #include <u.h>
  2 fd04aace 2003-11-23 devnull #include <libc.h>
  3 fd04aace 2003-11-23 devnull 
  4 fd04aace 2003-11-23 devnull 
  5 fd04aace 2003-11-23 devnull /* in libfmt */
  6 53dbac94 2004-03-02 devnull extern int (*doquote)(int);
  7 fd04aace 2003-11-23 devnull extern int __needsquotes(char*, int*);
  8 fd04aace 2003-11-23 devnull extern int __runeneedsquotes(Rune*, int*);
  9 fd04aace 2003-11-23 devnull 
 10 fd04aace 2003-11-23 devnull char*
 11 fd04aace 2003-11-23 devnull unquotestrdup(char *s)
 12 fd04aace 2003-11-23 devnull {
 13 fd04aace 2003-11-23 devnull 	char *t, *ret;
 14 fd04aace 2003-11-23 devnull 	int quoting;
 15 fd04aace 2003-11-23 devnull 
 16 fd04aace 2003-11-23 devnull 	ret = s = strdup(s);	/* return unquoted copy */
 17 fd04aace 2003-11-23 devnull 	if(ret == nil)
 18 fd04aace 2003-11-23 devnull 		return ret;
 19 fd04aace 2003-11-23 devnull 	quoting = 0;
 20 fd04aace 2003-11-23 devnull 	t = s;	/* s is output string, t is input string */
 21 fd04aace 2003-11-23 devnull 	while(*t!='\0' && (quoting || (*t!=' ' && *t!='\t'))){
 22 fd04aace 2003-11-23 devnull 		if(*t != '\''){
 23 fd04aace 2003-11-23 devnull 			*s++ = *t++;
 24 fd04aace 2003-11-23 devnull 			continue;
 25 fd04aace 2003-11-23 devnull 		}
 26 fd04aace 2003-11-23 devnull 		/* *t is a quote */
 27 fd04aace 2003-11-23 devnull 		if(!quoting){
 28 fd04aace 2003-11-23 devnull 			quoting = 1;
 29 fd04aace 2003-11-23 devnull 			t++;
 30 fd04aace 2003-11-23 devnull 			continue;
 31 fd04aace 2003-11-23 devnull 		}
 32 fd04aace 2003-11-23 devnull 		/* quoting and we're on a quote */
 33 fd04aace 2003-11-23 devnull 		if(t[1] != '\''){
 34 fd04aace 2003-11-23 devnull 			/* end of quoted section; absorb closing quote */
 35 fd04aace 2003-11-23 devnull 			t++;
 36 fd04aace 2003-11-23 devnull 			quoting = 0;
 37 fd04aace 2003-11-23 devnull 			continue;
 38 fd04aace 2003-11-23 devnull 		}
 39 fd04aace 2003-11-23 devnull 		/* doubled quote; fold one quote into two */
 40 fd04aace 2003-11-23 devnull 		t++;
 41 fd04aace 2003-11-23 devnull 		*s++ = *t++;
 42 fd04aace 2003-11-23 devnull 	}
 43 fd04aace 2003-11-23 devnull 	if(t != s)
 44 fd04aace 2003-11-23 devnull 		memmove(s, t, strlen(t)+1);
 45 fd04aace 2003-11-23 devnull 	return ret;
 46 fd04aace 2003-11-23 devnull }
 47 fd04aace 2003-11-23 devnull 
 48 fd04aace 2003-11-23 devnull Rune*
 49 fd04aace 2003-11-23 devnull unquoterunestrdup(Rune *s)
 50 fd04aace 2003-11-23 devnull {
 51 fd04aace 2003-11-23 devnull 	Rune *t, *ret;
 52 fd04aace 2003-11-23 devnull 	int quoting;
 53 fd04aace 2003-11-23 devnull 
 54 fd04aace 2003-11-23 devnull 	ret = s = runestrdup(s);	/* return unquoted copy */
 55 fd04aace 2003-11-23 devnull 	if(ret == nil)
 56 fd04aace 2003-11-23 devnull 		return ret;
 57 fd04aace 2003-11-23 devnull 	quoting = 0;
 58 fd04aace 2003-11-23 devnull 	t = s;	/* s is output string, t is input string */
 59 fd04aace 2003-11-23 devnull 	while(*t!='\0' && (quoting || (*t!=' ' && *t!='\t'))){
 60 fd04aace 2003-11-23 devnull 		if(*t != '\''){
 61 fd04aace 2003-11-23 devnull 			*s++ = *t++;
 62 fd04aace 2003-11-23 devnull 			continue;
 63 fd04aace 2003-11-23 devnull 		}
 64 fd04aace 2003-11-23 devnull 		/* *t is a quote */
 65 fd04aace 2003-11-23 devnull 		if(!quoting){
 66 fd04aace 2003-11-23 devnull 			quoting = 1;
 67 fd04aace 2003-11-23 devnull 			t++;
 68 fd04aace 2003-11-23 devnull 			continue;
 69 fd04aace 2003-11-23 devnull 		}
 70 fd04aace 2003-11-23 devnull 		/* quoting and we're on a quote */
 71 fd04aace 2003-11-23 devnull 		if(t[1] != '\''){
 72 fd04aace 2003-11-23 devnull 			/* end of quoted section; absorb closing quote */
 73 fd04aace 2003-11-23 devnull 			t++;
 74 fd04aace 2003-11-23 devnull 			quoting = 0;
 75 fd04aace 2003-11-23 devnull 			continue;
 76 fd04aace 2003-11-23 devnull 		}
 77 fd04aace 2003-11-23 devnull 		/* doubled quote; fold one quote into two */
 78 fd04aace 2003-11-23 devnull 		t++;
 79 fd04aace 2003-11-23 devnull 		*s++ = *t++;
 80 fd04aace 2003-11-23 devnull 	}
 81 fd04aace 2003-11-23 devnull 	if(t != s)
 82 fd04aace 2003-11-23 devnull 		memmove(s, t, (runestrlen(t)+1)*sizeof(Rune));
 83 fd04aace 2003-11-23 devnull 	return ret;
 84 fd04aace 2003-11-23 devnull }
 85 fd04aace 2003-11-23 devnull 
 86 fd04aace 2003-11-23 devnull char*
 87 fd04aace 2003-11-23 devnull quotestrdup(char *s)
 88 fd04aace 2003-11-23 devnull {
 89 fd04aace 2003-11-23 devnull 	char *t, *u, *ret;
 90 fd04aace 2003-11-23 devnull 	int quotelen;
 91 fd04aace 2003-11-23 devnull 	Rune r;
 92 fd04aace 2003-11-23 devnull 
 93 fd04aace 2003-11-23 devnull 	if(__needsquotes(s, &quotelen) == 0)
 94 fd04aace 2003-11-23 devnull 		return strdup(s);
 95 fa325e9b 2020-01-10 cross 
 96 fd04aace 2003-11-23 devnull 	ret = malloc(quotelen+1);
 97 fd04aace 2003-11-23 devnull 	if(ret == nil)
 98 fd04aace 2003-11-23 devnull 		return nil;
 99 fd04aace 2003-11-23 devnull 	u = ret;
100 fd04aace 2003-11-23 devnull 	*u++ = '\'';
101 fd04aace 2003-11-23 devnull 	for(t=s; *t; t++){
102 fd04aace 2003-11-23 devnull 		r = *t;
103 bb0266fe 2005-05-07 devnull 		if(r == '\'')
104 fd04aace 2003-11-23 devnull 			*u++ = r;	/* double the quote */
105 fd04aace 2003-11-23 devnull 		*u++ = r;
106 fd04aace 2003-11-23 devnull 	}
107 fd04aace 2003-11-23 devnull 	*u++ = '\'';
108 fd04aace 2003-11-23 devnull 	*u = '\0';
109 fd04aace 2003-11-23 devnull 	return ret;
110 fd04aace 2003-11-23 devnull }
111 fd04aace 2003-11-23 devnull 
112 fd04aace 2003-11-23 devnull Rune*
113 fd04aace 2003-11-23 devnull quoterunestrdup(Rune *s)
114 fd04aace 2003-11-23 devnull {
115 fd04aace 2003-11-23 devnull 	Rune *t, *u, *ret;
116 fd04aace 2003-11-23 devnull 	int quotelen;
117 fd04aace 2003-11-23 devnull 	Rune r;
118 fd04aace 2003-11-23 devnull 
119 fd04aace 2003-11-23 devnull 	if(__runeneedsquotes(s, &quotelen) == 0)
120 fd04aace 2003-11-23 devnull 		return runestrdup(s);
121 fa325e9b 2020-01-10 cross 
122 fd04aace 2003-11-23 devnull 	ret = malloc((quotelen+1)*sizeof(Rune));
123 fd04aace 2003-11-23 devnull 	if(ret == nil)
124 fd04aace 2003-11-23 devnull 		return nil;
125 fd04aace 2003-11-23 devnull 	u = ret;
126 fd04aace 2003-11-23 devnull 	*u++ = '\'';
127 fd04aace 2003-11-23 devnull 	for(t=s; *t; t++){
128 fd04aace 2003-11-23 devnull 		r = *t;
129 bb0266fe 2005-05-07 devnull 		if(r == '\'')
130 fd04aace 2003-11-23 devnull 			*u++ = r;	/* double the quote */
131 fd04aace 2003-11-23 devnull 		*u++ = r;
132 fd04aace 2003-11-23 devnull 	}
133 fd04aace 2003-11-23 devnull 	*u++ = '\'';
134 fd04aace 2003-11-23 devnull 	*u = '\0';
135 fd04aace 2003-11-23 devnull 	return ret;
136 fd04aace 2003-11-23 devnull }