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10 |
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#include "copyright.h" |
11 |
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12 |
– |
#include <string.h> |
12 |
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#include <ctype.h> |
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14 |
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#include "rtio.h" |
33 |
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char *cp; |
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int i; |
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|
36 |
< |
if (fname == NULL) { return(NULL); } |
36 |
> |
if (!fname | (fname == pname)) |
37 |
> |
return(fname); |
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|
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pname[0] = '\0'; /* check for full specification */ |
40 |
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|
41 |
< |
if (ISABS(fname)) { /* absolute path */ |
42 |
< |
strncpy(pname, fname, sizeof(pname)-1); |
41 |
> |
if (ISABS(fname)) { /* absolute path */ |
42 |
> |
strlcpy(pname, fname, sizeof(pname)); |
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} else { |
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switch (*fname) { |
45 |
< |
case '.': /* relative to cwd */ |
46 |
< |
strncpy(pname, fname, sizeof(pname)-1); |
45 |
> |
case '.': /* relative to cwd */ |
46 |
> |
strlcpy(pname, fname, sizeof(pname)); |
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break; |
48 |
< |
case '~': /* relative to home directory */ |
48 |
> |
case '~': /* relative to home directory */ |
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fname++; |
50 |
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cp = uname; |
51 |
< |
for (i=0;i<sizeof(uname)&&*fname!='\0'&&!ISDIRSEP(*fname);i++) |
51 |
> |
for (i = 0; i < sizeof(uname) && *fname |
52 |
> |
&& !ISDIRSEP(*fname); i++) |
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*cp++ = *fname++; |
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*cp = '\0'; |
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cp = gethomedir(uname, pname, sizeof(pname)); |
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if(cp == NULL) return NULL; |
57 |
< |
strncat(pname, fname, sizeof(pname)-strlen(pname)-1); |
57 |
> |
strlcat(pname, fname, sizeof(pname)); |
58 |
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break; |
59 |
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} |
60 |
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} |
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if (pname[0]) /* got it, check access if search requested */ |
62 |
< |
return(searchpath==NULL||access(pname,mode)==0 ? pname : NULL); |
62 |
> |
return(!searchpath || access(pname,mode)==0 ? pname : NULL); |
63 |
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|
64 |
< |
if (searchpath == NULL) { /* don't search */ |
65 |
< |
strncpy(pname, fname, sizeof(pname)-1); |
64 |
> |
if (!searchpath) { /* no search? */ |
65 |
> |
strlcpy(pname, fname, sizeof(pname)); |
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return(pname); |
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} |
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/* check search path */ |
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do { |
70 |
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cp = pname; |
71 |
< |
while (*searchpath && (*cp = *searchpath++) != PATHSEP) { |
72 |
< |
cp++; |
73 |
< |
} |
73 |
< |
if (cp > pname && !ISDIRSEP(cp[-1])) { |
71 |
> |
while (*searchpath && (*cp = *searchpath++) != PATHSEP) |
72 |
> |
cp += (cp-pname < sizeof(pname)-2); |
73 |
> |
if (cp > pname && !ISDIRSEP(cp[-1])) |
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*cp++ = DIRSEP; |
75 |
< |
} |
76 |
< |
strncpy(cp, fname, sizeof(pname)-strlen(pname)-1); |
75 |
> |
*cp = '\0'; |
76 |
> |
strlcat(pname, fname, sizeof(pname)); |
77 |
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if (access(pname, mode) == 0) /* file accessable? */ |
78 |
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return(pname); |
79 |
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} while (*searchpath); |
101 |
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char *cp; |
102 |
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char fname[PATH_MAX]; |
103 |
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|
104 |
< |
if (ffname == NULL) |
105 |
< |
return(NULL); |
104 |
> |
if (!fname | (fname == pname)) |
105 |
> |
return(fname); |
106 |
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|
107 |
|
/* if we have a dot in the string, we assume there is a file name |
108 |
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extension present */ |
109 |
|
/* XXX We'd better test for .exe/.bat/.etc explicitly */ |
110 |
< |
if (!(mode & X_OK) || (strrchr(ffname, '.') != NULL)) { |
110 |
> |
if (!(mode & X_OK) || strchr(ffname, '.') > ffname) { |
111 |
|
return core_getpath(ffname, searchpath, mode); |
112 |
|
} |
113 |
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