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garbage is allowed in the f[re]open mode string

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This commit is contained in:
eck 1990-04-24 09:30:15 +00:00
parent 6ab26e5cdc
commit 470bb82342
2 changed files with 10 additions and 6 deletions
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8
lang/cem/libcc.ansi/stdio/fopen.c
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@ -73,14 +73,16 @@ fopen(const char *name, const char *mode)
while (*mode) { while (*mode) {
switch(*mode++) { switch(*mode++) {
case 'b': case 'b':
break; continue;
case '+': case '+':
rwmode = O_RDWR; rwmode = O_RDWR;
flags |= _IOREAD | _IOWRITE; flags |= _IOREAD | _IOWRITE;
break; continue;
/* The sequence may be followed by additional characters */
default: default:
return (FILE *)NULL; break;
} }
break;
} }
/* Perform a creat() when the file should be truncated or when /* Perform a creat() when the file should be truncated or when

8
lang/cem/libcc.ansi/stdio/freopen.c
View file

@ -56,14 +56,16 @@ freopen(const char *name, const char *mode, FILE *stream)
while (*mode) { while (*mode) {
switch(*mode++) { switch(*mode++) {
case 'b': case 'b':
break; continue;
case '+': case '+':
rwmode = O_RDWR; rwmode = O_RDWR;
flags |= _IOREAD | _IOWRITE; flags |= _IOREAD | _IOWRITE;
break; continue;
/* The sequence may be followed by aditional characters */
default: default:
return (FILE *)NULL; break;
} }
break;
} }
if ((rwflags & O_TRUNC) if ((rwflags & O_TRUNC)