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

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version 1.4, 1997/09/22 05:45:27

version 1.5, 1999/01/03 05:33:48

Line 380

char tmpbuf[200];

int sleading = strip_leading;

if (!at)

if (!at || *at == '\0')

return Nullch;

while (isspace(*at))

at++;

Line 416

if (stat(name, &filestat) && !assume_exists) {

char *filebase = basename(name);

int pathlen = filebase - name;

char *filedir = dirname(name);

/* Put any leading path into `tmpbuf'. */

#define try(f, a1, a2, a3) (Snprintf(tmpbuf, sizeof tmpbuf, f, a1, a2), stat(tmpbuf, &filestat) == 0)

strncpy(tmpbuf, name, pathlen);

if ( try("%s/RCS/%s%s", filedir, filebase, RCSSUFFIX)

|| try("%s/RCS/%s%s", filedir, filebase, "")

#define try(f, a1, a2) (Snprintf(tmpbuf + pathlen, sizeof tmpbuf - pathlen, f, a1, a2), stat(tmpbuf, &filestat) == 0)

|| try( "%s/%s%s", filedir, filebase, RCSSUFFIX)

if ( try("RCS/%s%s", filebase, RCSSUFFIX)

|| try("%s/SCCS/%s%s", filedir, SCCSPREFIX, filebase)

|| try("RCS/%s%s", filebase, "")

|| try( "%s/%s%s", filedir, SCCSPREFIX, filebase))

|| try( "%s%s", filebase, RCSSUFFIX)

|| try("SCCS/%s%s", SCCSPREFIX, filebase)

|| try( "%s%s", SCCSPREFIX, filebase))

return name;

free(name);

name = Nullch;