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Submodule wasm-micro-runtime
updated
9 files
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,25 +1,77 @@ | ||
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| // #include <cstdio> | ||
| #include <stdio.h> | ||
| #include <sys/fcntl.h> | ||
| #include <unistd.h> | ||
| #include <fcntl.h> | ||
| #include <string.h> | ||
| #include <errno.h> | ||
| // #include <cstdio> | ||
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| FILE *fopen_test(const char *restrict filename, const char *restrict mode) | ||
| { | ||
| FILE *f; | ||
| int fd; | ||
| int flags; | ||
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| /* Check for valid initial mode character */ | ||
| if (!strchr("rwa", *mode)) { | ||
| return 0; | ||
| } | ||
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| /* Compute the flags to pass to open() */ | ||
| flags = __fmodeflags(mode); | ||
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| #ifdef __wasilibc_unmodified_upstream // WASI has no sys_open | ||
| fd = sys_open(filename, flags, 0666); | ||
| #else | ||
| // WASI libc ignores the mode parameter anyway, so skip the varargs. | ||
| fd = __wasilibc_open_nomode(filename, flags); | ||
| printf("\n fopen_test(fd,filename,flags) %d %s %d \n\n",fd,filename,flags); | ||
| #endif | ||
| if (fd < 0) return 0; | ||
| #ifdef __wasilibc_unmodified_upstream // WASI has no syscall | ||
| if (flags & O_CLOEXEC) | ||
| __syscall(SYS_fcntl, fd, F_SETFD, FD_CLOEXEC); | ||
| #else | ||
| /* Avoid __syscall, but also, FD_CLOEXEC is not supported in WASI. */ | ||
| #endif | ||
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| f = __fdopen(fd, mode); | ||
| if (f) return f; | ||
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| #ifdef __wasilibc_unmodified_upstream // WASI has no syscall | ||
| __syscall(SYS_close, fd); | ||
| #else | ||
| close(fd); | ||
| #endif | ||
| return 0; | ||
| } | ||
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| int main() { | ||
| FILE *file = fopen("./text.txt", "w"); | ||
| FILE *file = fopen_test("./text.txt", "w"); | ||
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| FILE *file1 = fopen("./text1.txt", "w"); | ||
| FILE *file2 = fopen("./text2.txt", "w"); | ||
| fseek(file,1,1); | ||
| int c = 0; | ||
| while (1){ | ||
| FILE *file1 = fopen_test("./text1.txt", "w"); | ||
| FILE *file2 = fopen_test("./text2.txt", "w"); | ||
| // fseek(file,1,1); | ||
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| /** Test fread*/ | ||
| volatile int c = 0; | ||
| FILE *file3 = fopen_test("./test.txt", "a"); | ||
| const char* line1 = "This is line 1\n"; | ||
| const char* line2 = "This is line 2\n"; | ||
| size_t len1 = strlen(line1); | ||
| size_t len2 = strlen(line2); | ||
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| fwrite(line1, sizeof(char), len1, file3); | ||
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| for( int i =0;i<10000;i++){ | ||
| c++; | ||
| if (c==100000){ | ||
| break; | ||
| } | ||
| } | ||
| fprintf(file, "Successfully wrote to the file."); | ||
| fwrite(line2, sizeof(char), len2, file3); | ||
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| fclose(file); | ||
| fclose(file1); | ||
| fclose(file2); | ||
| } | ||
| fclose(file3); | ||
| } | ||
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