liblua: Emulate DIR, opendir, fdopendir, closedir
In a similar fashion to FILE, provide thin shims for the standard directory manipulation functions. Reviewed by: imp Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D14417
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=329474
@ -127,6 +127,42 @@ getc(FILE *stream)
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return EOF;
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}
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DIR *
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opendir(const char *name)
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{
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DIR *dp;
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int fd;
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fd = open(name, O_RDONLY);
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if (fd < 0)
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return NULL;
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dp = fdopendir(fd);
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if (dp == NULL)
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close(fd);
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return dp;
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}
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DIR *
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fdopendir(int fd)
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{
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DIR *dp;
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dp = malloc(sizeof(*dp));
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if (dp == NULL)
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return NULL;
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dp->fd = fd;
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return dp;
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}
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int
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closedir(DIR *dp)
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{
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close(dp->fd);
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dp->fd = -1;
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free(dp);
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return 0;
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}
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void
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luai_writestring(const char *s, int i)
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{
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@ -43,6 +43,11 @@ typedef struct FILE
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size_t size;
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} FILE;
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typedef struct DIR
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{
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int fd;
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} DIR;
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FILE *fopen(const char *filename, const char *mode);
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FILE *freopen( const char *filename, const char *mode, FILE *stream);
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size_t fread(void *ptr, size_t size, size_t count, FILE *stream);
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@ -50,6 +55,9 @@ int fclose(FILE *stream);
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int ferror(FILE *stream);
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int feof(FILE *stream);
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int getc(FILE * stream);
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DIR *opendir(const char *name);
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DIR *fdopendir(int fd);
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int closedir(DIR *);
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#ifndef EOF
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#define EOF (-1)
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