src/usr.bin/patch/util.c - diff

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version 1.21, 2003/07/28 19:05:26

version 1.22, 2003/07/29 20:10:17

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#include "common.h"

#include "util.h"

#include "backupfile.h"

#include "pathnames.h"

/* Rename a file, copying it if necessary. */

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return; /* nothing to be done */

*s = '\0';

}

strlcpy(buf, "/bin/mkdir -p ", sizeof buf);

if (snprintf(buf, sizeof(buf), "%s -p %s", _PATH_MKDIR, tmpbuf)

if (strlcat(buf, tmpbuf, sizeof(buf)) >= sizeof(buf))

>= sizeof(buf))

fatal("buffer too small to hold %.20s...\n", tmpbuf);

if (system(buf))

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if (debug & 128)

say("fetchname %s %d %d\n", at, strip_leading, assume_exists);

#endif

if (strnEQ(at, "/dev/null", 9)) /* so files can be created by diffing */

/* So files can be created by diffing against /dev/null. */

return NULL; /* against /dev/null. */

if (strnEQ(at, _PATH_DEVNULL, sizeof(_PATH_DEVNULL) - 1))

return NULL;

name = fullname = t = savestr(at);

/* Strip off up to `strip_leading' path components and NUL terminate. */