applied sl's 9front patch - 9base - revived minimalist port of Plan 9 userland … | |
git clone git://git.suckless.org/9base | |
Log | |
Files | |
Refs | |
README | |
LICENSE | |
--- | |
commit 19a07111123964b50fff2644882430398fded904 | |
parent 21195c3217d3a4a69848735cb7cab5e669fad8de | |
Author: [email protected] <unknown> | |
Date: Thu, 1 Nov 2012 18:07:57 +0100 | |
applied sl's 9front patch | |
Diffstat: | |
M Makefile | 1 + | |
M TODO | 3 +-- | |
M date/date.1 | 13 +++++++------ | |
M date/date.c | 58 ++++++++++++++++++++++++++---… | |
M fmt/fmt.c | 161 +++++++++++++++--------------… | |
5 files changed, 139 insertions(+), 97 deletions(-) | |
--- | |
diff --git a/Makefile b/Makefile | |
@@ -57,6 +57,7 @@ SUBDIRS = lib9\ | |
unicode\ | |
uniq\ | |
unutf\ | |
+ urlencode\ | |
wc | |
all: | |
diff --git a/TODO b/TODO | |
@@ -1,6 +1,5 @@ | |
Missing commands: | |
-* ssam (script in p9p/bin/ssam) | |
-* rm | |
+* file (from 9front) | |
* cp (also missing from p9p too) | |
* mv (also missing from p9p too) | |
diff --git a/date/date.1 b/date/date.1 | |
@@ -24,6 +24,12 @@ Report Greenwich Mean Time (GMT) rather than local time. | |
.B -n | |
Report the date as the number of seconds since the | |
epoch, 00:00:00 GMT, January 1, 1970. | |
+.TP | |
+.B -i | |
+Report the date as ISO-8601 without time and timezone suffix. | |
+.TP | |
+.B -t | |
+Report the date as ISO-8601 with time and timezone suffix. | |
.PP | |
The conversion from Greenwich Mean Time to local time depends on the | |
.B $timezone | |
@@ -49,10 +55,5 @@ the real time. | |
.\" into | |
.\" .BR /env/timezone . | |
.\" .PD | |
-.\" .PP | |
-.\" .I Clock | |
-.\" draws a simple analog clock in its window. | |
.SH SOURCE | |
-.B \*9/src/cmd/date.c | |
-.\" .br | |
-.\" .B \*9/src/cmd/draw/clock.c | |
+.B \*9/src/date/date.c | |
diff --git a/date/date.c b/date/date.c | |
@@ -1,17 +1,54 @@ | |
#include <u.h> | |
#include <libc.h> | |
-int uflg, nflg; | |
+int uflg, nflg, iflg, tflg; | |
+ | |
+char* | |
+isodate(Tm *t) | |
+{ | |
+ static char c[25]; /* leave room to append isotime */ | |
+ snprint(c, 11, "%04d-%02d-%02d", | |
+ t->year + 1900, t->mon + 1, t->mday); | |
+ return c; | |
+} | |
+ | |
+char* | |
+isotime(Tm *t) | |
+{ | |
+ int tz; | |
+ char *c, *d; | |
+ d = isodate(t); | |
+ c = d+10; | |
+ snprint(c, 10, "T%02d:%02d:%02d", | |
+ t->hour, t->min, t->sec); /* append to isodate */ | |
+ tz = t->tzoff / 60; | |
+ if(t->tzoff) { | |
+ /* localtime */ | |
+ if (t->tzoff > 0) { | |
+ c[9] = '+'; | |
+ } else { | |
+ c[9] = '-'; | |
+ tz = -tz; | |
+ } | |
+ snprint(c+10, 5, "%02d%02d", tz / 60, tz % 60); | |
+ } else { | |
+ c[9] = 'Z'; | |
+ c[10] = 0; | |
+ } | |
+ return d; | |
+} | |
void | |
main(int argc, char *argv[]) | |
{ | |
ulong now; | |
- | |
+ Tm *tm; | |
ARGBEGIN{ | |
case 'n': nflg = 1; break; | |
case 'u': uflg = 1; break; | |
- default: fprint(2, "usage: date [-un] [seconds]\n"); exits("usa… | |
+ case 't': tflg = 1; /* implies -i */ | |
+ case 'i': iflg = 1; break; | |
+ default: fprint(2, "usage: date [-itun] [seconds]\n"); exits("u… | |
}ARGEND | |
if(argc == 1) | |
@@ -21,10 +58,15 @@ main(int argc, char *argv[]) | |
if(nflg) | |
print("%ld\n", now); | |
- else if(uflg) | |
- print("%s", asctime(gmtime(now))); | |
- else | |
- print("%s", ctime(now)); | |
- | |
+ else { | |
+ tm = uflg ? gmtime(now) : localtime(now); | |
+ if(iflg) { | |
+ if(tflg) | |
+ print("%s\n", isotime(tm)); | |
+ else | |
+ print("%s\n", isodate(tm)); | |
+ } else | |
+ print("%s", asctime(tm)); | |
+ } | |
exits(0); | |
} | |
diff --git a/fmt/fmt.c b/fmt/fmt.c | |
@@ -12,14 +12,19 @@ int indent = 0; /* current value of … | |
int length = 70; /* how many columns per output line */ | |
int join = 1; /* can lines be joined? */ | |
int maxtab = 8; | |
+ | |
Biobuf bin; | |
Biobuf bout; | |
typedef struct Word Word; | |
-struct Word{ | |
- int bol; | |
+struct Word | |
+{ | |
+ Word *next; | |
+ | |
int indent; | |
- char text[1]; | |
+ int length; | |
+ char bol; | |
+ char text[]; | |
}; | |
void fmt(void); | |
@@ -84,17 +89,14 @@ main(int argc, char **argv) | |
} | |
int | |
-indentof(char **linep) | |
+indentof(char *s) | |
{ | |
- int i, ind; | |
- char *line; | |
+ int ind; | |
ind = 0; | |
- line = *linep; | |
- for(i=0; line[i]; i++) | |
- switch(line[i]){ | |
+ for(; *s != '\0'; s++) | |
+ switch(*s){ | |
default: | |
- *linep = line; | |
return ind; | |
case ' ': | |
ind++; | |
@@ -104,53 +106,65 @@ indentof(char **linep) | |
ind -= ind%maxtab; | |
break; | |
} | |
- | |
+ | |
/* plain white space doesn't change the indent */ | |
- *linep = ""; | |
return indent; | |
} | |
-Word** | |
-addword(Word **words, int *nwordp, char *s, int l, int indent, int bol) | |
+Word* | |
+newword(char *s, int n, int ind, int bol) | |
{ | |
Word *w; | |
- w = malloc(sizeof(Word)+l+1); | |
- memmove(w->text, s, l); | |
- w->text[l] = '\0'; | |
- w->indent = indent; | |
+ w = malloc(sizeof(Word) + n+1); | |
+ w->next = nil; | |
+ w->indent = ind; | |
w->bol = bol; | |
- words = realloc(words, (*nwordp+1)*sizeof(Word*)); | |
- words[(*nwordp)++] = w; | |
- return words; | |
+ memmove(w->text, s, n); | |
+ w->text[n] = 0; | |
+ w->length = utflen(w->text); | |
+ return w; | |
} | |
-Word** | |
-parseline(char *line, Word **words, int *nwordp) | |
+Word* | |
+getword(void) | |
{ | |
- int ind, l, bol; | |
- | |
- ind = indentof(&line); | |
- indent = ind; | |
- bol = 1; | |
+ static Word *head, *tail; | |
+ char *line, *s; | |
+ Word *w; | |
+ | |
+ w = head; | |
+ if(w != nil){ | |
+ head = w->next; | |
+ return w; | |
+ } | |
+ line = Brdstr(&bin, '\n', 1); | |
+ if(line == nil) | |
+ return nil; | |
+ tail = nil; | |
+ indent = indentof(line); | |
for(;;){ | |
- /* find next word */ | |
- while(*line==' ' || *line=='\t') | |
+ while(*line == ' ' || *line == '\t') | |
line++; | |
if(*line == '\0'){ | |
- if(bol) | |
- return addword(words, nwordp, "", 0, -1, bol); | |
+ if(head == nil) | |
+ return newword("", 0, -1, 1); | |
break; | |
} | |
/* how long is this word? */ | |
- for(l=0; line[l]; l++) | |
- if(line[l]==' ' || line[l]=='\t') | |
+ for(s=line++; *line != '\0'; line++) | |
+ if(*line==' ' || *line=='\t') | |
break; | |
- words = addword(words, nwordp, line, l, indent, bol); | |
- bol = 0; | |
- line += l; | |
+ w = newword(s, line-s, indent, head==nil); | |
+ if(head == nil) | |
+ head = w; | |
+ else | |
+ tail->next = w; | |
+ tail = w; | |
} | |
- return words; | |
+ w = head; | |
+ head = w->next; | |
+ return w; | |
} | |
void | |
@@ -175,67 +189,52 @@ nspaceafter(char *s) | |
n = strlen(s); | |
if(n < 2) | |
return 1; | |
- if(isupper((uchar)s[0]) && n < 4) | |
+ if(isupper(s[0]) && n < 4) | |
return 1; | |
if(strchr(".!?", s[n-1]) != nil) | |
return 2; | |
return 1; | |
} | |
- | |
void | |
-printwords(Word **w, int nw) | |
+fmt(void) | |
{ | |
- int i, j, n, col, nsp; | |
+ Word *w, *o; | |
+ int col, nsp; | |
- /* one output line per loop */ | |
- for(i=0; i<nw; ){ | |
- /* if it's a blank line, print it */ | |
- if(w[i]->indent == -1){ | |
+ w = getword(); | |
+ while(w != nil){ | |
+ if(w->indent == -1){ | |
Bputc(&bout, '\n'); | |
- if(++i == nw) /* out of words */ | |
+ free(w); | |
+ w = getword(); | |
+ if(w == nil) | |
break; | |
} | |
- /* emit leading indent */ | |
- col = extraindent+w[i]->indent; | |
- printindent(col); | |
+ col = w->indent; | |
+ printindent(extraindent+col); | |
/* emit words until overflow; always emit at least one word */ | |
- for(n=0;; n++){ | |
- Bprint(&bout, "%s", w[i]->text); | |
- col += utflen(w[i]->text); | |
- if(++i == nw) | |
- break; /* out of words */ | |
- if(w[i]->indent != w[i-1]->indent) | |
+ for(;;){ | |
+ Bprint(&bout, "%s", w->text); | |
+ col += w->length; | |
+ o = w; | |
+ w = getword(); | |
+ if(w == nil) | |
+ break; | |
+ if(w->indent != o->indent) | |
break; /* indent change */ | |
- nsp = nspaceafter(w[i-1]->text); | |
- if(col+nsp+utflen(w[i]->text) > extraindent+length) | |
+ nsp = nspaceafter(o->text); | |
+ if(col+nsp+w->length > length) | |
break; /* fold line */ | |
- if(!join && w[i]->bol) | |
+ if(!join && w->bol) | |
break; | |
- for(j=0; j<nsp; j++) | |
+ while(--nsp >= 0){ | |
Bputc(&bout, ' '); /* emit space; anoth… | |
- col += nsp; | |
+ col++; | |
+ } | |
+ free(o); | |
} | |
- /* emit newline */ | |
+ free(o); | |
Bputc(&bout, '\n'); | |
} | |
} | |
- | |
-void | |
-fmt(void) | |
-{ | |
- char *s; | |
- int i, nw; | |
- Word **w; | |
- | |
- nw = 0; | |
- w = nil; | |
- while((s = Brdstr(&bin, '\n', 1)) != nil){ | |
- w = parseline(s, w, &nw); | |
- free(s); | |
- } | |
- printwords(w, nw); | |
- for(i=0; i<nw; i++) | |
- free(w[i]); | |
- free(w); | |
-} |