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int *binaryPtr) /* Sets this to 1 to tell the caller to
* configure the channel for binary
* operations after opening the file. */
{
int mode, c, gotRW;
Tcl_Size modeArgc, i;
const char **modeArgv, *flag;
#define RW_MODES (O_RDONLY|O_WRONLY|O_RDWR)
mode = 0;
/*
* Guard against wide characters before using byte-oriented routines.
*/
if (!(modeString[0] & 0x80)
&& islower(UCHAR(modeString[0]))) { /* INTL: ISO only. */
switch (modeString[0]) {
case 'r':
mode = O_RDONLY;
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int *binaryPtr) /* Sets this to 1 to tell the caller to
* configure the channel for binary
* operations after opening the file. */
{
int mode, c, gotRW;
Tcl_Size modeArgc, i;
const char **modeArgv, *flag;
/*
* Check for the simpler fopen-like access modes like "r" which are
* distinguished from the POSIX access modes by the presence of a
* lower-case first letter.
*/
*seekFlagPtr = 0;
*binaryPtr = 0;
mode = O_RDONLY;
/*
* Guard against wide characters before using byte-oriented routines.
*/
if (!(modeString[0] & 0x80)
&& islower(UCHAR(modeString[0]))) { /* INTL: ISO only. */
switch (modeString[0]) {
case 'r':
break;
case 'w':
mode = O_WRONLY|O_CREAT|O_TRUNC;
break;
case 'a':
/*
* Add O_APPEND for proper automatic seek-to-end-on-write by the
|
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switch (modeString[i++]) {
case '+':
/*
* Remove O_APPEND so that the seek command works. [Bug
* 1773127]
*/
mode &= ~(O_RDONLY|O_WRONLY|O_APPEND);
mode |= O_RDWR;
break;
case 'b':
*binaryPtr = 1;
break;
default:
goto error;
}
|
|
<
|
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switch (modeString[i++]) {
case '+':
/*
* Remove O_APPEND so that the seek command works. [Bug
* 1773127]
*/
mode = (mode & ~(O_ACCMODE|O_APPEND)) | O_RDWR;
break;
case 'b':
*binaryPtr = 1;
break;
default:
goto error;
}
|
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}
gotRW = 0;
for (i = 0; i < modeArgc; i++) {
flag = modeArgv[i];
c = flag[0];
if ((c == 'R') && (strcmp(flag, "RDONLY") == 0)) {
mode = (mode & ~RW_MODES) | O_RDONLY;
gotRW = 1;
} else if ((c == 'W') && (strcmp(flag, "WRONLY") == 0)) {
mode = (mode & ~RW_MODES) | O_WRONLY;
gotRW = 1;
} else if ((c == 'R') && (strcmp(flag, "RDWR") == 0)) {
mode = (mode & ~RW_MODES) | O_RDWR;
gotRW = 1;
} else if ((c == 'A') && (strcmp(flag, "APPEND") == 0)) {
mode |= O_APPEND;
*seekFlagPtr = 1;
} else if ((c == 'C') && (strcmp(flag, "CREAT") == 0)) {
mode |= O_CREAT;
} else if ((c == 'E') && (strcmp(flag, "EXCL") == 0)) {
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|
}
gotRW = 0;
for (i = 0; i < modeArgc; i++) {
flag = modeArgv[i];
c = flag[0];
if ((c == 'R') && (strcmp(flag, "RDONLY") == 0)) {
mode = (mode & ~O_ACCMODE) | O_RDONLY;
gotRW = 1;
} else if ((c == 'W') && (strcmp(flag, "WRONLY") == 0)) {
mode = (mode & ~O_ACCMODE) | O_WRONLY;
gotRW = 1;
} else if ((c == 'R') && (strcmp(flag, "RDWR") == 0)) {
mode = (mode & ~O_ACCMODE) | O_RDWR;
gotRW = 1;
} else if ((c == 'A') && (strcmp(flag, "APPEND") == 0)) {
mode |= O_APPEND;
*seekFlagPtr = 1;
} else if ((c == 'C') && (strcmp(flag, "CREAT") == 0)) {
mode |= O_CREAT;
} else if ((c == 'E') && (strcmp(flag, "EXCL") == 0)) {
|