SkOSFile_stdio.cpp File Reference

#include "include/core/SkTypes.h"
#include "src/core/SkOSFile.h"
#include <errno.h>
#include <stdio.h>
#include <sys/stat.h>

Go to the source code of this file.

Functions
FILE *	sk_fopen (const char path[], SkFILE_Flags flags)
size_t	sk_fgetsize (FILE *f)
size_t	sk_fwrite (const void *buffer, size_t byteCount, FILE *f)
void	sk_fflush (FILE *f)
size_t	sk_ftell (FILE *f)
void	sk_fclose (FILE *f)
bool	sk_isdir (const char *path)
bool	sk_mkdir (const char *path)

Function Documentation

sk_fclose()

void sk_fclose

(

FILE *

f

)

Definition at line 135 of file SkOSFile_stdio.cpp.

                        {
    if (f) {
        fclose(f);
    }
}

sk_fflush()

void sk_fflush

(

FILE *

f

)

Definition at line 122 of file SkOSFile_stdio.cpp.

                        {
    SkASSERT(f);
    fflush(f);
}

sk_fgetsize()

size_t sk_fgetsize

(

FILE *

f

)

Definition at line 99 of file SkOSFile_stdio.cpp.

                            {
    SkASSERT(f);
 
    long curr = ftell(f); // remember where we are
    if (curr < 0) {
        return 0;
    }
 
    fseek(f, 0, SEEK_END); // go to the end
    long size = ftell(f); // record the size
    if (size < 0) {
        size = 0;
    }
 
    fseek(f, curr, SEEK_SET); // go back to our prev location
    return size;
}

sk_fopen()

FILE * sk_fopen	(	const char	path[],
		SkFILE_Flags	flags
	)

Definition at line 64 of file SkOSFile_stdio.cpp.

                                                      {
    char    perm[4] = {0, 0, 0, 0};
    char*   p = perm;
 
    if (flags & kRead_SkFILE_Flag) {
        *p++ = 'r';
    }
    if (flags & kWrite_SkFILE_Flag) {
        *p++ = 'w';
    }
    *p = 'b';
 
    FILE* file = nullptr;
#ifdef _WIN32
    file = fopen_win(path, perm);
#else
    file = fopen(path, perm);
#endif
#ifdef SK_BUILD_FOR_IOS
    // if not found in default path and read-only, try to open from bundle
    if (!file && kRead_SkFILE_Flag == flags) {
        SkString bundlePath;
        if (ios_get_path_in_bundle(path, &bundlePath)) {
            file = fopen(bundlePath.c_str(), perm);
        }
    }
#endif
 
    if (nullptr == file && (flags & kWrite_SkFILE_Flag)) {
        SkDEBUGF("sk_fopen: fopen(\"%s\", \"%s\") returned nullptr (errno:%d): %s\n",
                 path, perm, errno, strerror(errno));
    }
    return file;
}

sk_ftell()

size_t sk_ftell

(

FILE *

f

)

Definition at line 127 of file SkOSFile_stdio.cpp.

                         {
    long curr = ftell(f);
    if (curr < 0) {
        return 0;
    }
    return curr;
}

sk_fwrite()

size_t sk_fwrite	(	const void *	buffer,
		size_t	byteCount,
		FILE *	f
	)

Definition at line 117 of file SkOSFile_stdio.cpp.

                                                                {
    SkASSERT(f);
    return fwrite(buffer, 1, byteCount, f);
}

sk_isdir()

bool sk_isdir

(

const char *

path

)

Definition at line 141 of file SkOSFile_stdio.cpp.

                                {
    struct stat status = {};
    if (0 != stat(path, &status)) {
#ifdef SK_BUILD_FOR_IOS
        // check the bundle directory if not in default path
        SkString bundlePath;
        if (ios_get_path_in_bundle(path, &bundlePath)) {
            if (0 != stat(bundlePath.c_str(), &status)) {
                return false;
            }
        }
#else
        return false;
#endif
    }
    return SkToBool(status.st_mode & S_IFDIR);
}

sk_mkdir()

bool sk_mkdir

(

const char *

path

)

Definition at line 159 of file SkOSFile_stdio.cpp.

                                {
    if (sk_isdir(path)) {
        return true;
    }
    if (sk_exists(path)) {
        fprintf(stderr,
                "sk_mkdir: path '%s' already exists but is not a directory\n",
                path);
        return false;
    }
 
    int retval;
#ifdef _WIN32
    retval = _mkdir(path);
#else
    retval = mkdir(path, 0777);
    if (retval) {
      perror("mkdir() failed with error: ");
    }
#endif
    return 0 == retval;
}