src/usr.bin/head/head.c - diff

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Diff for /src/usr.bin/head/head.c between version 1.23 and 1.24

version 1.23, 2022/01/29 00:19:04

version 1.24, 2022/02/07 17:19:57

Line 96

int

head_file(const char *path, long count, int need_header)

{

const char *name;

FILE *fp;

int ch;

int ch, status = 0;

static int first = 1;

if (path != NULL) {

fp = fopen(path, "r");

name = path;

fp = fopen(name, "r");

if (fp == NULL) {

warn("%s", path);

warn("%s", name);

return 1;

}

if (need_header) {

printf("%s==> %s <==\n", first ? "" : "\n", path);

printf("%s==> %s <==\n", first ? "" : "\n", name);

if (ferror(stdout))

err(1, "stdout");

first = 0;

}

} else

} else {

name = "stdin";

fp = stdin;

}

for (; count > 0 && !feof(fp); --count)

while ((ch = getc(fp)) != EOF) {

while ((ch = getc(fp)) != EOF)

if (putchar(ch) == EOF)

if (putchar(ch) == '\n')

err(1, "stdout");

break;

if (ch == '\n' && --count == 0)

break;

}

if (ferror(fp)) {

warn("%s", name);

status = 1;

}

fclose(fp);

return 0;

return status;

}