DeforaOS/utils
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Implemented -h and -n

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This commit is contained in:
Pierre Pronchery 2007-05-09 21:40:04 +00:00
parent 64c96d0722
commit 04059075af
1 changed files with 18 additions and 3 deletions
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21
src/pr.c
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@ -16,12 +16,14 @@
typedef struct _Prefs
{
int flags;
char * header;
int lines;
int width;
int offset;
} Prefs;
#define PREFS_d 1
#define PREFS_t 2
#define PREFS_n 2
#define PREFS_t 4
/* functions */
static int _pr_error(char const * message, int ret);
@ -74,6 +76,7 @@ static int _pr_do(Prefs * prefs, FILE * fp, char const * filename)
size_t len;
int nb = 0;
size_t page = 1;
size_t line = 1;
if(fp == stdin)
st.st_mtime = time(NULL);
@ -92,6 +95,8 @@ static int _pr_do(Prefs * prefs, FILE * fp, char const * filename)
nb = 10;
}
_do_offset(prefs->offset); /* FIXME not if truncated line */
if(prefs->flags & PREFS_n)
printf("%5u ", line++);
if((len = strlen(buf)) > 0 && buf[len - 1] == '\n'
&& prefs->flags & PREFS_d)
buf[len++] = '\n'; /* XXX with offset? */
@ -135,7 +140,9 @@ static void _do_header(Prefs * prefs, time_t const mtime, char const * filename,
localtime_r(&mtime, &tm);
strftime(buf, sizeof(buf) - 1, "%b %e %H:%M %Y", &tm);
buf[sizeof(buf) - 1] = '\0';
printf("%s %s%s%u", buf, filename, " Page ", page);
printf("%s %s%s%u", buf, prefs->header != NULL
? prefs->header : filename, " Page ",
page);
}
fputc('\n', stdout);
}
@ -173,20 +180,28 @@ int main(int argc, char * argv[])
char * p;
memset(&prefs, 0, sizeof(prefs));
prefs.header = NULL;
prefs.lines = 66;
prefs.offset = 0;
prefs.width = 72;
while((o = getopt(argc, argv, "dl:o:tw:")) != -1)
while((o = getopt(argc, argv, "dh:l:no:tw:")) != -1)
switch(o)
{
case 'd':
prefs.flags |= PREFS_d;
break;
case 'h':
prefs.header = optarg;
break;
case 'l':
prefs.lines = strtol(optarg, &p, 10);
if(optarg[0] == '\0' || *p != '\0'
|| prefs.lines <= 0)
return _usage();
break;
case 'n':
prefs.flags |= PREFS_n;
break;
case 'o':
prefs.offset = strtol(optarg, &p, 10);
if(optarg[0] == '\0' || *p != '\0'