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	blind-from-text.c - blind - suckless command-line video editing utility
	git clone git://git.suckless.org/blind
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	---
	blind-from-text.c (1318B)
	---
	1 /* See LICENSE file for copyright and license details. */
	2 #ifndef TYPE
	3 #define INCLUDE_UINT16
	4 #include "common.h"
	5
	6 USAGE("")
	7
	8 #define FILE "blind-from-text.c"
	9 #include "define-functions.h"
	10
	11 int
	12 main(int argc, char *argv[])
	13 {
	14 struct stream stream;
	15 size_t size = 0;
	16 char *line = NULL;
	17 ssize_t len;
	18 void (*process)(void);
	19
	20 UNOFLAGS(argc);
	21
	22 len = getline(&line, &size, stdin);
	23 if (len < 0) {
	24 if (ferror(stdin))
	25 eprintf("getline <stdin>:");
	26 else
	27 eprintf("<stdin>: no input\n");
	28 }
	29 if (len && line[len - 1] == '\n')
	30 line[--len] = '\0';
	31 if ((size_t)len + 6 > sizeof(stream.buf))
	32 eprintf("<stdin>: head is too long\n");
	33 stream.fd = -1;
	34 stream.file = "<stdin>";
	35 memcpy(stream.buf, line, (size_t)len);
	36 memcpy(stream.buf + len, "\n\0uivf", 6);
	37 stream.ptr = (size_t)len + 6;
	38 free(line);
	39 ewriteall(STDOUT_FILENO, stream.buf, stream.ptr, "<stdout>");
	40 einit_stream(&stream);
	41
	42 SELECT_PROCESS_FUNCTION(&stream);
	43 process();
	44
	45 efshut(stdin, "<stdin>");
	46 return 0;
	47 }
	48
	49 #else
	50
	51 static void
	52 PROCESS(void)
	53 {
	54 TYPE buf[BUFSIZ / sizeof(TYPE)];
	55 size_t i;
	56 int r, done = 0;
	57 while (!done) {
	58 for (i = 0; i < ELEMENTSOF(buf); i += (size_t)r) {
	59 r = scanf("%"SCAN_TYPE, buf + i);
	60 if (r == EOF) {
	61 done = 1;
	62 break;
	63 }
	64 }
	65 ewriteall(STDOUT_FILENO, buf, i * sizeof(*buf), "<stdout…
	66 }
	67 }
	68
	69 #endif